Finished guestbook and gallery. started diary

2024-09-27 07:40:06 +02:00
parent a2ee66c9de
commit c31be3f879
34 changed files with 2298 additions and 185 deletions
--- a/backend/controllers/socialnetworkController.js
+++ b/backend/controllers/socialnetworkController.js
@@ -13,6 +13,16 @@ class SocialNetworkController {
        this.getFolderImageList = this.getFolderImageList.bind(this);
        this.getImageByHash = this.getImageByHash.bind(this);
        this.changeImage = this.changeImage.bind(this);
+        this.getFoldersByUsername = this.getFoldersByUsername.bind(this);
+        this.deleteFolder = this.deleteFolder.bind(this);
+        this.createGuestbookEntry = this.createGuestbookEntry.bind(this);
+        this.getGuestbookEntries = this.getGuestbookEntries.bind(this);
+        this.deleteGuestbookEntry = this.deleteGuestbookEntry.bind(this);
+        this.getGuestbookImage = this.getGuestbookImage.bind(this);
+        this.createDiaryEntry = this.createDiaryEntry.bind(this);
+        this.updateDiaryEntry = this.updateDiaryEntry.bind(this);
+        this.deleteDiaryEntry = this.deleteDiaryEntry.bind(this);
+        this.getDiaryEntries = this.getDiaryEntries.bind(this);
    }

    async userSearch(req, res) {
@@ -45,7 +55,8 @@ class SocialNetworkController {
        try {
            const userId = req.headers.userid;
            const folderData = req.body;
-            const folder = await this.socialNetworkService.createFolder(userId, folderData);
+            const { folderId } = req.params;
+            const folder = await this.socialNetworkService.createFolder(userId, folderData, folderId);
            res.status(201).json(folder);
        } catch (error) {
            console.error('Error in createFolder:', error);
@@ -115,7 +126,6 @@ class SocialNetworkController {
            const userId = req.headers.userid;
            const { hash } = req.params;
            const filePath = await this.socialNetworkService.getImageFilePath(userId, hash);
-            console.log(filePath);
            res.sendFile(filePath, err => {
                if (err) {
                    console.error('Error sending file:', err);
@@ -141,6 +151,141 @@ class SocialNetworkController {
            res.status(403).json({ error: error.message || 'Access denied or image not found' });
        }
    }
+
+    async getFoldersByUsername(req, res) {
+        try {
+            const { username } = req.params;
+            const requestingUserId = req.headers.userid;
+            if (!username || !requestingUserId) {
+                return res.status(400).json({ error: 'Invalid username or requesting user ID.' });
+            }
+            const folders = await this.socialNetworkService.getFoldersByUsername(username, requestingUserId);
+            if (!folders) {
+                return res.status(404).json({ error: 'No folders found or access denied.' });
+            }
+            res.status(200).json(folders);
+        } catch (error) {
+            console.error('Error in getFoldersByUsername:', error);
+            res.status(500).json({ error: error.message });
+        }
+    }
+
+    async deleteFolder(req, res) {
+        try {
+            const userId = req.headers.userid;
+            const { folderId } = req.params;
+            await this.socialNetworkService.deleteFolder(userId, folderId);
+            res.status(204).send();
+        } catch (error) {
+            console.error('Error in deleteFolder:', error);
+            res.status(500).json({ error: error.message });
+        }
+    }
+
+    async createGuestbookEntry(req, res) {
+        try {
+            const { htmlContent, recipientName } = req.body;
+            const hashedSenderId = req.headers.userid;
+            const image = req.file ? req.file : null;
+            const entry = await this.socialNetworkService.createGuestbookEntry(
+                hashedSenderId,
+                recipientName,
+                htmlContent,
+                image
+            );
+            res.status(201).json(entry);
+        } catch (error) {
+            console.error('Error in createGuestbookEntry:', error);
+            res.status(500).json({ error: error.message });
+        }
+    }
+
+    async getGuestbookEntries(req, res) {
+        try {
+            const hashedUserId = req.headers.userid;  
+            const { username, page = 1 } = req.params;
+            const entries = await this.socialNetworkService.getGuestbookEntries(hashedUserId, username, page);
+            res.status(200).json(entries);
+        } catch (error) {
+            console.error('Error in getGuestbookEntries:', error);
+            res.status(500).json({ error: error.message });
+        }
+    }
+
+    async deleteGuestbookEntry(req, res) {
+        try {
+            const hashedUserId = req.headers.userid;  
+            const { entryId } = req.params;
+            await this.socialNetworkService.deleteGuestbookEntry(hashedUserId, entryId);
+            res.status(200).json({ message: 'Entry deleted successfully' });
+        } catch (error) {
+            console.error('Error in deleteGuestbookEntry:', error);
+            res.status(500).json({ error: error.message });
+        }
+    }
+
+    async getGuestbookImage(req, res) {
+        try {
+            const userId = req.headers.userid;
+            const { guestbookUserName, entryId } = req.params;
+            const filePath = await this.socialNetworkService.getGuestbookImageFilePath(userId, guestbookUserName, entryId);
+            res.sendFile(filePath, err => {
+                if (err) {
+                    console.error('Error sending file:', err);
+                    res.status(500).json({ error: 'Error sending file' });
+                }
+            });
+        } catch (error) {
+            console.error('Error in getImageByHash:', error);
+            res.status(403).json({ error: error.message || 'Access denied or image not found' });
+        }
+    }
+
+    async createDiaryEntry(req, res) {
+        try {
+            const { userId, text } = req.body;
+            const entry = await this.socialNetworkService.createDiaryEntry(userId, text);
+            res.status(201).json(entry);
+        } catch (error) {
+            console.error('Error in createDiaryEntry:', error);
+            res.status(500).json({ error: error.message });
+        }
+    }
+
+    async updateDiaryEntry(req, res) {
+        try {
+            const { diaryId } = req.params;
+            const { userId, text } = req.body;
+            const updatedEntry = await this.socialNetworkService.updateDiaryEntry(diaryId, userId, text);
+            res.status(200).json(updatedEntry);
+        } catch (error) {
+            console.error('Error in updateDiaryEntry:', error);
+            res.status(500).json({ error: error.message });
+        }
+    }
+
+    async deleteDiaryEntry(req, res) {
+        try {
+            const { diaryId } = req.params;
+            const { userId } = req.body;
+            const result = await this.socialNetworkService.deleteDiaryEntry(diaryId, userId);
+            res.status(200).json({ message: 'Entry deleted successfully', result });
+        } catch (error) {
+            console.error('Error in deleteDiaryEntry:', error);
+            res.status(500).json({ error: error.message });
+        }
+    }
+
+    async getDiaryEntries(req, res) {
+        try {
+            const { userId } = req.params;
+            const entries = await this.socialNetworkService.getDiaryEntries(userId);
+            res.status(200).json(entries);
+        } catch (error) {
+            console.error('Error in getDiaryEntries:', error);
+            res.status(500).json({ error: error.message });
+        }
+    }
 }

 export default SocialNetworkController;
--- a/backend/models/associations.js
+++ b/backend/models/associations.js
@@ -17,6 +17,7 @@ import ImageVisibilityUser from './community/image_visibility_user.js';
 import FolderImageVisibility from './community/folder_image_visibility.js';
 import ImageImageVisibility from './community/image_image_visibility.js';
 import FolderVisibilityUser from './community/folder_visibility_user.js';
+import GuestbookEntry from './community/guestbook.js';

 export default function setupAssociations() {
    SettingsType.hasMany(UserParamType, { foreignKey: 'settingsId', as: 'user_param_types' });
@@ -95,4 +96,25 @@ export default function setupAssociations() {
        foreignKey: 'visibilityUserId',
        otherKey: 'folderId'
    });
+
+    User.hasMany(GuestbookEntry, {
+        foreignKey: 'recipientId',
+        as: 'receivedEntries' 
+    });
+
+    User.hasMany(GuestbookEntry, {
+        foreignKey: 'senderId',
+        as: 'sentEntries'  
+    });
+
+    GuestbookEntry.belongsTo(User, {
+        foreignKey: 'recipientId',
+        as: 'recipient'  
+    });
+
+    GuestbookEntry.belongsTo(User, {
+        foreignKey: 'senderId',
+        as: 'sender'  
+    });
+
 }
--- a/backend/models/community/diary.js
+++ b/backend/models/community/diary.js
@@ -0,0 +1,31 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../utils/sequelize.js';
+
+class Diary extends Model { }
+
+Diary.init({
+    userId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+    },
+    text: {
+        type: DataTypes.TEXT,
+        allowNull: false,
+    },
+    createdAt: {
+        type: DataTypes.DATE,
+        defaultValue: DataTypes.NOW,
+    },
+    updatedAt: {
+        type: DataTypes.DATE,
+        defaultValue: DataTypes.NOW,
+    }
+}, {
+    sequelize,
+    modelName: 'Diary',
+    tableName: 'diary',
+    schema: 'community',
+    timestamps: true,
+});
+
+export default Diary;
--- a/backend/models/community/diary_history.js
+++ b/backend/models/community/diary_history.js
@@ -0,0 +1,35 @@
+import { Model, DataTypes } from 'sequelize';
+import { sequelize } from '../../utils/sequelize.js';
+
+class DiaryHistory extends Model { }
+
+DiaryHistory.init({
+    diaryId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+    },
+    userId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+    },
+    oldText: {
+        type: DataTypes.TEXT,
+        allowNull: false,
+    },
+    oldCreatedAt: {
+        type: DataTypes.DATE,
+        allowNull: false,
+    },
+    oldUpdatedAt: {
+        type: DataTypes.DATE,
+        allowNull: false,
+    },
+}, {
+    sequelize,
+    modelName: 'DiaryHistory',
+    tableName: 'diary_history',
+    schema: 'community',
+    timestamps: false,
+});
+
+export default DiaryHistory;
--- a/backend/models/community/guestbook.js
+++ b/backend/models/community/guestbook.js
@@ -0,0 +1,47 @@
+import { sequelize } from '../../utils/sequelize.js';
+import { DataTypes } from 'sequelize';
+import User from './user.js'; 
+
+const GuestbookEntry = sequelize.define('guestbook_entry', {
+    id: {
+        type: DataTypes.INTEGER,
+        autoIncrement: true,
+        primaryKey: true,
+        allowNull: false,
+    },
+    recipientId: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        references: {
+            model: User, 
+            key: 'id'
+        }
+    },
+    senderId: {
+        type: DataTypes.INTEGER,
+        allowNull: true, 
+        references: {
+            model: User, 
+            key: 'id'
+        }
+    },
+    senderUsername: {
+        type: DataTypes.STRING,
+        allowNull: true, 
+    },
+    contentHtml: {
+        type: DataTypes.TEXT,
+        allowNull: false,
+    },
+    imageUrl: {
+        type: DataTypes.STRING,
+        allowNull: true,
+    },
+}, {
+    tableName: 'guestbook_entry',
+    schema: 'community',
+    timestamps: true,  
+    underscored: true,  
+});
+
+export default GuestbookEntry;
--- a/backend/models/index.js
+++ b/backend/models/index.js
@@ -19,6 +19,9 @@ import ImageVisibilityUser from './community/image_visibility_user.js';
 import FolderImageVisibility from './community/folder_image_visibility.js';
 import ImageImageVisibility from './community/image_image_visibility.js';
 import FolderVisibilityUser from './community/folder_visibility_user.js';
+import GuestbookEntry from './community/guestbook.js';
+import DiaryHistory from './community/diary_history.js';
+import Diary from './community/diary.js';

 const models = {
    SettingsType,
@@ -42,6 +45,9 @@ const models = {
    FolderImageVisibility,
    ImageImageVisibility,
    FolderVisibilityUser,
+    GuestbookEntry,
+    DiaryHistory,
+    Diary,
 };

 export default models;
--- a/backend/models/trigger.js
+++ b/backend/models/trigger.js
@@ -22,23 +22,43 @@ export async function createTriggers() {
    `;

    const createInsertTrigger = `
-        CREATE TRIGGER trigger_create_user_param_visibility
+        CREATE OR REPLACE TRIGGER trigger_create_user_param_visibility
        AFTER INSERT ON community.user_param
        FOR EACH ROW
        EXECUTE FUNCTION create_user_param_visibility_trigger();
    `;

    const createUpdateTrigger = `
-        CREATE TRIGGER trigger_update_user_param_visibility
+        CREATE OR REPLACE TRIGGER trigger_update_user_param_visibility
        AFTER UPDATE ON community.user_param
        FOR EACH ROW
        EXECUTE FUNCTION create_user_param_visibility_trigger();
    `;

+    const createDiaryHistoryTriggerFunction = `
+        CREATE OR REPLACE FUNCTION insert_diary_history()
+        RETURNS TRIGGER AS $$
+        BEGIN
+            INSERT INTO community.diary_history (diaryId, userId, oldText, oldCreatedAt, oldUpdatedAt)
+            VALUES (OLD.id, OLD.userId, OLD.text, OLD.createdAt, OLD.updatedAt);
+            RETURN NEW;
+        END;
+        $$ LANGUAGE plpgsql;
+    `;
+
+    const createDiaryHistoryTrigger = `
+        CREATE OR REPLACE TRIGGER diary_update_trigger
+        BEFORE UPDATE ON community.diary
+        FOR EACH ROW
+        EXECUTE FUNCTION insert_diary_history();
+    `;
+
    try {
        await sequelize.query(createTriggerFunction);
        await sequelize.query(createInsertTrigger);
        await sequelize.query(createUpdateTrigger);
+        await sequelize.query(createDiaryHistoryTriggerFunction);
+        await sequelize.query(createDiaryHistoryTrigger);

        console.log('Triggers created successfully');
    } catch (error) {
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
--- a/backend/package.json
+++ b/backend/package.json
@@ -14,16 +14,19 @@
    "amqplib": "^0.10.4",
    "bcrypt": "^5.1.1",
    "cors": "^2.8.5",
+    "dompurify": "^3.1.7",
    "dotenv": "^16.4.5",
    "express": "^4.19.2",
    "i18n": "^0.15.1",
    "joi": "^17.13.3",
+    "jsdom": "^25.0.1",
    "multer": "^1.4.5-lts.1",
    "mysql2": "^3.10.3",
    "nodemailer": "^6.9.14",
    "pg": "^8.12.0",
    "pg-hstore": "^2.3.4",
    "sequelize": "^6.37.3",
+    "sharp": "^0.33.5",
    "socket.io": "^4.7.5",
    "uuid": "^10.0.0"
  },
--- a/backend/routers/socialnetworkRouter.js
+++ b/backend/routers/socialnetworkRouter.js
@@ -8,8 +8,8 @@ const router = express.Router();
 const socialNetworkController = new SocialNetworkController();

 router.post('/usersearch', authenticate, socialNetworkController.userSearch);
-router.get('/profile/:userId', authenticate, socialNetworkController.profile);
-router.post('/folders', authenticate, socialNetworkController.createFolder);
+router.get('/profile/main/:userId', authenticate, socialNetworkController.profile);
+router.post('/folders/:folderId', authenticate, socialNetworkController.createFolder);
 router.get('/folders', authenticate, socialNetworkController.getFolders);
 router.get('/folder/:folderId', authenticate, socialNetworkController.getFolderImageList);
 router.post('/images', authenticate, upload.single('image'), socialNetworkController.uploadImage);
@@ -17,5 +17,15 @@ router.get('/images/:imageId', authenticate, socialNetworkController.getImage);
 router.put('/images/:imageId', authenticate, socialNetworkController.changeImage);
 router.get('/imagevisibilities', authenticate, socialNetworkController.getImageVisibilityTypes);
 router.get('/image/:hash', authenticate, socialNetworkController.getImageByHash);
+router.get('/profile/images/folders/:username', authenticate, socialNetworkController.getFoldersByUsername);
+router.delete('/folders/:folderId', authenticate, socialNetworkController.deleteFolder);
+router.post('/guestbook/entries', authenticate, upload.single('image'), socialNetworkController.createGuestbookEntry);
+router.get('/guestbook/entries/:username/:page', authenticate, socialNetworkController.getGuestbookEntries);
+router.delete('/guestbook/entries/:entryId', authenticate, socialNetworkController.deleteGuestbookEntry);
+router.get('/guestbook/image/:guestbookUserName/:entryId', authenticate, socialNetworkController.getGuestbookImage);
+router.post('/diary', authenticate, socialNetworkController.createDiaryEntry);
+router.put('/diary/:diaryId', authenticate, socialNetworkController.updateDiaryEntry);
+router.delete('/diary/:diaryId', authenticate, socialNetworkController.deleteDiaryEntry);
+router.get('/diary/:userId', authenticate, socialNetworkController.getDiaryEntries);

 export default router;
--- a/backend/services/BaseService.js
+++ b/backend/services/BaseService.js
@@ -51,6 +51,18 @@ class BaseService {
        const ageDate = new Date(ageDifMs);
        return Math.abs(ageDate.getUTCFullYear() - 1970);
    }
+
+
+    async isUserAdult(userId) {
+        const birthdateParam = await this.getUserParams(userId, ['birthdate']);
+        if (!birthdateParam || birthdateParam.length === 0) {
+            return false;
+        }
+        const birthdate = birthdateParam[0].value; 
+        const age = this.calculateAge(birthdate);
+        return age >= 18;
+    }
+
 }

 export default BaseService;
--- a/backend/services/socialnetworkService.js
+++ b/backend/services/socialnetworkService.js
@@ -13,8 +13,15 @@ import FolderImageVisibility from '../models/community/folder_image_visibility.j
 import ImageImageVisibility from '../models/community/image_image_visibility.js';
 import { v4 as uuidv4 } from 'uuid';
 import fs from 'fs';
+import fsPromises from 'fs/promises';
 import path from 'path';
 import { fileURLToPath } from 'url';
+import FolderVisibilityUser from '../models/community/folder_visibility_user.js';
+import ImageVisibilityUser from '../models/community/image_visibility_user.js';
+import GuestbookEntry from '../models/community/guestbook.js';
+import { JSDOM } from 'jsdom';
+import DOMPurify from 'dompurify';
+import sharp from 'sharp';

 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
@@ -33,22 +40,39 @@ class SocialNetworkService extends BaseService {
        return this.constructUserProfile(user, requestingUserId);
    }

-    async createFolder(hashedUserId, data) {
+    async createFolder(hashedUserId, data, folderId) {
        await this.checkUserAccess(hashedUserId);
        const user = await User.findOne({
-            hashedId: hashedUserId
+            where: { hashedId: hashedUserId }
        });
-        const parentFolder = Folder.findOne({
-            id: data.parentId,
-            userId: user.id
-        });
-        if (!parentFolder) {
-            throw new Error('foldernotfound');
+        if (!user) {
+            throw new Error('User not found');
        }
-        const newFolder = await Folder.create({
-            parentId: data.parentId,
-            userId: user.id,
-            name: data.name
+        const parentFolder = data.parentId ? await Folder.findOne({
+            where: { id: data.parentId, userId: user.id }
+        }) : null;
+        if (data.parentId && !parentFolder) {
+            throw new Error('Parent folder not found');
+        }
+        let newFolder;
+        if (folderId === 0) {
+            newFolder = await Folder.create({
+                parentId: data.parentId || null,
+                userId: user.id,
+                name: data.name
+            });
+        } else {
+            newFolder = await Folder.findOne({
+                where: { id: folderId, userId: user.id }
+            });
+            if (!newFolder) {
+                throw new Error('Folder not found or user does not own the folder');
+            }
+            newFolder.name = data.name;
+            await newFolder.save();
+        }
+        await FolderImageVisibility.destroy({
+            where: { folderId: newFolder.id }
        });
        for (const visibilityId of data.visibilities) {
            await FolderImageVisibility.create({
@@ -61,32 +85,63 @@ class SocialNetworkService extends BaseService {

    async getFolders(hashedId) {
        const userId = await this.checkUserAccess(hashedId);
-        let rootFolder = await Folder.findOne({ where: { parentId: null, userId } });
+        let rootFolder = await Folder.findOne({
+            where: { parentId: null, userId },
+            include: [{
+                model: ImageVisibilityType,
+                through: { model: FolderImageVisibility },
+                attributes: ['id'],
+            }]
+        });
        if (!rootFolder) {
            const user = await User.findOne({ where: { id: userId } });
            const visibility = await ImageVisibilityType.findOne({
-                where: {
-                    description: 'everyone'
-                }
+                where: { description: 'everyone' }
            });
            rootFolder = await Folder.create({
                name: user.username,
                parentId: null,
-                userId,
+                userId
+            });
+            await FolderImageVisibility.create({
+                folderId: rootFolder.id,
                visibilityTypeId: visibility.id
            });
+            rootFolder = await Folder.findOne({
+                where: { id: rootFolder.id },
+                include: [{
+                    model: ImageVisibilityType,
+                    through: { model: FolderImageVisibility },
+                    attributes: ['id'],
+                }]
+            });
        }
        const children = await this.getSubFolders(rootFolder.id, userId);
        rootFolder = rootFolder.get();
+        rootFolder.visibilityTypeIds = rootFolder.image_visibility_types.map(v => v.id);
+        delete rootFolder.image_visibility_types;
        rootFolder.children = children;
        return rootFolder;
    }

    async getSubFolders(parentId, userId) {
-        const folders = await Folder.findAll({ where: { parentId, userId } });
+        const folders = await Folder.findAll({
+            where: { parentId, userId },
+            include: [{
+                model: ImageVisibilityType,
+                through: { model: FolderImageVisibility },
+                attributes: ['id'],
+            }],
+            order: [
+                ['name', 'asc']
+            ]
+        });
        for (const folder of folders) {
            const children = await this.getSubFolders(folder.id, userId);
+            const visibilityTypeIds = folder.image_visibility_types.map(v => v.id);
+            folder.setDataValue('visibilityTypeIds', visibilityTypeIds);
            folder.setDataValue('children', children);
+            folder.setDataValue('image_visibility_types', undefined);
        }
        return folders.map(folder => folder.get());
    }
@@ -112,32 +167,56 @@ class SocialNetworkService extends BaseService {

    async uploadImage(hashedId, file, formData) {
        const userId = await this.getUserId(hashedId);
-        const newFileName = this.generateUniqueFileName(file.originalname);
-        const filePath = this.buildFilePath(newFileName);
-        await this.saveFile(file.buffer, filePath);
-        const newImage = await this.createImageRecord(formData, userId, file, newFileName);
+        const processedImageName = await this.processAndUploadUserImage(file);
+        const newImage = await this.createImageRecord(formData, userId, file, processedImageName);
        await this.saveImageVisibilities(newImage.id, formData.visibility);
        return newImage;
    }

+    async processAndUploadUserImage(file) {
+        try {
+            const img = sharp(file.buffer);
+            const metadata = await img.metadata();
+            if (!metadata || !['jpeg', 'png', 'webp', 'gif'].includes(metadata.format)) {
+                throw new Error('File is not a valid image');
+            }
+            if (metadata.width < 75 || metadata.height < 75) {
+                throw new Error('Image dimensions are too small. Minimum size is 75x75 pixels.');
+            }
+            const resizedImg = img.resize({
+                width: Math.min(metadata.width, 500),
+                height: Math.min(metadata.height, 500),
+                fit: sharp.fit.inside,
+                withoutEnlargement: true
+            });
+            const newFileName = this.generateUniqueFileName(file.originalname);
+            const filePath = this.buildFilePath(newFileName, 'user');
+            await resizedImg.toFile(filePath);
+            return newFileName;
+        } catch (error) {
+            throw new Error(`Failed to process image: ${error.message}`);
+        }
+    }
+
+
    async getUserId(hashedId) {
        return await this.checkUserAccess(hashedId);
    }

    generateUniqueFileName(originalFileName) {
        const uniqueHash = uuidv4();
-        return `${uniqueHash}`;
+        return uniqueHash;
    }

-    buildFilePath(fileName) {
-        const userImagesPath = path.join(__dirname, '../images/user');
-        return path.join(userImagesPath, fileName);
+    buildFilePath(fileName, type) {
+        const basePath = path.join(__dirname, '..', 'images', type);
+        return path.join(basePath, fileName);
    }

    async saveFile(buffer, filePath) {
        try {
-            await fs.mkdir(path.dirname(filePath), { recursive: true });
-            await fs.writeFile(filePath, buffer);
+            await fsPromises.mkdir(path.dirname(filePath), { recursive: true });
+            await fsPromises.writeFile(filePath, buffer);
        } catch (error) {
            throw new Error(`Failed to save file: ${error.message}`);
        }
@@ -273,9 +352,15 @@ class SocialNetworkService extends BaseService {
        });
    }

-    async constructUserProfile(user, requestingUserId) {
+    async constructUserProfile(user, hashedUserId) {
        const userParams = {};
-        const requestingUserAge = await this.getUserAge(requestingUserId);
+        const requestingUser = await User.findOne({
+            where: { hashedId: hashedUserId },
+        });
+        if (!requestingUser) {
+            throw new Error('User not found');
+        }
+        const requestingUserAge = await this.getUserAge(requestingUser.id);
        for (const param of user.user_params) {
            const visibility = param.param_visibilities?.[0]?.visibility_type?.description || 'Invisible';
            if (visibility === 'Invisible') continue;
@@ -340,9 +425,9 @@ class SocialNetworkService extends BaseService {
        if (!hasAccess) {
            throw new Error('Access denied');
        }
-        const imagePath = this.buildFilePath(image.hash);
+        const imagePath = this.buildFilePath(image.hash, 'user');
        if (!fs.existsSync(imagePath)) {
-            throw new Error('File not found');
+            throw new Error(`File "${imagePath}" not found`);
        }
        return imagePath;
    }
@@ -374,6 +459,258 @@ class SocialNetworkService extends BaseService {
        }
        return image.folderId;
    }
+
+    async getFoldersByUsername(username, hashedUserId) {
+        const user = await User.findOne({ where: { username } });
+        if (!user) {
+            throw new Error('User not found');
+        }
+        const requestingUserId = await this.checkUserAccess(hashedUserId);
+        let rootFolder = await Folder.findOne({ where: { parentId: null, userId: user.id } });
+        if (!rootFolder) {
+            return null;
+        }
+        const accessibleFolders = await this.getAccessibleFolders(rootFolder.id, requestingUserId);
+        rootFolder = rootFolder.get();
+        rootFolder.children = accessibleFolders;
+        return rootFolder;
+    }
+
+    async getAccessibleFolders(folderId, requestingUserId) {
+        const folderIdString = String(folderId);
+        const requestingUserIdString = String(requestingUserId);
+        const requestingUser = await User.findOne({ where: { id: requestingUserIdString } });
+        const isAdult = this.isUserAdult(requestingUser.id);
+        const accessibleFolders = await Folder.findAll({
+            where: { parentId: folderIdString },
+            include: [
+                {
+                    model: ImageVisibilityType,
+                    through: { model: FolderImageVisibility },
+                    where: {
+                        [Op.or]: [
+                            { description: 'everyone' },
+                            { description: 'adults', ...(isAdult ? {} : { [Op.not]: null }) },
+                            { description: 'friends-and-adults', ...(isAdult ? {} : { [Op.not]: null }) }
+                        ]
+                    },
+                    required: false
+                },
+                {
+                    model: ImageVisibilityUser,
+                    through: { model: FolderVisibilityUser },
+                    where: { user_id: requestingUserIdString },
+                    required: false
+                }
+            ]
+        });
+        const folderList = [];
+        for (let folder of accessibleFolders) {
+            const children = await this.getAccessibleFolders(folder.id, requestingUserIdString);
+            folder = folder.get();
+            folder.children = children;
+            folderList.push(folder);
+        }
+        return folderList;
+    }
+
+    async deleteFolder(hashedUserId, folderId) {
+        const userId = await this.checkUserAccess(hashedUserId);
+        const folder = await Folder.findOne({
+            where: { id: folderId, userId }
+        });
+        if (!folder) {
+            throw new Error('Folder not found or access denied');
+        }
+        await FolderImageVisibility.destroy({ where: { folderId: folder.id } });
+        await folder.destroy();
+        return true;
+    }
+
+    async createGuestbookEntry(hashedSenderId, recipientName, htmlContent, image) {
+        const sender = await User.findOne({ where: { hashedId: hashedSenderId } });
+        if (!sender) {
+            throw new Error('Sender not found');
+        }
+        const recipient = await User.findOne({ where: { username: recipientName } });
+        if (!recipient) {
+            throw new Error('Recipient not found');
+        }
+        const sanitizedContent = this.sanitizeHtml(htmlContent);
+        let uploadedImage = null;
+        if (image) {
+            uploadedImage = await this.processAndUploadGuestbookImage(image);
+        }
+        const entry = await GuestbookEntry.create({
+            senderId: sender.id,
+            recipientId: recipient.id,
+            senderUsername: sender.username,
+            contentHtml: sanitizedContent,
+            imageUrl: uploadedImage
+        });
+
+        return entry;
+    }
+
+    sanitizeHtml(htmlContent) {
+        const window = new JSDOM('').window;
+        const purify = DOMPurify(window);
+        const cleanHtml = purify.sanitize(htmlContent, {
+            ALLOWED_TAGS: ['b', 'i', 'em', 'strong', 'a', 'p', 'ul', 'ol', 'li', 'br'],
+            ALLOWED_ATTR: ['href', 'title'],
+            FORBID_TAGS: ['script', 'style', 'iframe', 'img'],
+            ALLOWED_URI_REGEXP: /^https?:\/\//,
+        });
+
+        return cleanHtml;
+    }
+
+    async processAndUploadGuestbookImage(image) {
+        try {
+            const img = sharp(image.buffer);
+            const metadata = await img.metadata();
+            if (!metadata || !['jpeg', 'png', 'webp', 'gif'].includes(metadata.format)) {
+                throw new Error('File is not a valid image');
+            }
+            if (metadata.width < 20 || metadata.height < 20) {
+                throw new Error('Image dimensions are too small. Minimum size is 20x20 pixels.');
+            }
+            const resizedImg = img.resize({
+                width: Math.min(metadata.width, 500),
+                height: Math.min(metadata.height, 500),
+                fit: sharp.fit.inside,
+                withoutEnlargement: true
+            });
+            const newFileName = this.generateUniqueFileName(image.originalname);
+            const filePath = this.buildFilePath(newFileName, 'guestbook');
+            await resizedImg.toFile(filePath);
+            return newFileName;
+        } catch (error) {
+            throw new Error(`Failed to process image: ${error.message}`);
+        }
+    }
+
+    async getGuestbookEntries(hashedUserId, username, page = 1) {
+        const pageSize = 20;
+        const offset = (page - 1) * pageSize;
+        this.checkUserAccess(hashedUserId);
+        const user = await User.findOne({ where: { username: username } });
+        if (!user) {
+            throw new Error('User not found');
+        }
+        const entries = await GuestbookEntry.findAndCountAll({
+            where: { recipientId: user.id },
+            include: [
+                { model: User, as: 'sender', attributes: ['username'] },
+            ],
+            limit: pageSize,
+            offset: offset,
+            order: [['createdAt', 'DESC']]
+        });
+        const resultList = entries.rows.map(entry => ({
+            id: entry.id,
+            sender: entry.sender ? entry.sender.username : entry.senderUsername,
+            contentHtml: entry.contentHtml,
+            withImage: entry.imageUrl !== null,
+            createdAt: entry.createdAt
+        }));
+        return {
+            entries: resultList,
+            currentPage: page,
+            totalPages: Math.ceil(entries.count / pageSize),
+        };
+    }
+
+    async getGuestbookImageFilePath(hashedUserId, guestbookOwnerName, entryId) {
+        await this.checkUserAccess(hashedUserId);
+
+        const guestbookOwner = await User.findOne({
+            where: { username: guestbookOwnerName },
+        });
+        if (!guestbookOwner) {
+            throw new Error('usernotfound');
+        }
+        const entry = await GuestbookEntry.findOne({
+            where: { id: entryId, recipientId: guestbookOwner.id },
+        });
+        if (!entry) {
+            throw new Error('entrynotfound');
+        }
+        if (!entry.imageUrl) {
+            console.log(entry);
+            throw new Error('entryhasnoimage');
+        }
+        console.log(`Image URL: ${entry.imageUrl}`);
+        const imagePath = this.buildFilePath(entry.imageUrl, 'guestbook');
+        if (!fs.existsSync(imagePath)) {
+            throw new Error(imagenotfound);
+        }
+        return imagePath;
+    }
+
+    async deleteGuestbookEntry(hashedUserId, entryId) {
+        const user = await User.findOne({ where: { hashedId: hashedUserId } });
+        if (!user) {
+            throw new Error('User not found');
+        }
+        const entry = await GuestbookEntry.findOne({ where: { id: entryId } });
+        if (!entry) {
+            throw new Error('Entry not found');
+        }
+        if (entry.senderId !== user.id && entry.recipientId !== user.id) {
+            throw new Error('Not authorized to delete this entry');
+        }
+        await entry.destroy();
+    }
+
+    async createDiaryEntry(userId, text) {
+        const newEntry = await Diary.create({
+            userId: userId,
+            text: text,
+            createdAt: new Date(),
+            updatedAt: new Date(),
+        });
+        return newEntry;
+    }
+
+    async updateDiaryEntry(diaryId, userId, newText) {
+        const existingEntry = await Diary.findOne({
+            where: { id: diaryId, userId: userId }
+        });
+        if (!existingEntry) {
+            throw new Error('Diary entry not found or unauthorized access');
+        }
+        await DiaryHistory.create({
+            diaryId: existingEntry.id,
+            userId: existingEntry.userId,
+            oldText: existingEntry.text,
+            oldCreatedAt: existingEntry.createdAt,
+            oldUpdatedAt: existingEntry.updatedAt,
+        });
+        existingEntry.text = newText;
+        existingEntry.updatedAt = new Date();
+        await existingEntry.save();
+        return existingEntry;
+    }
+
+    async deleteDiaryEntry(diaryId, userId) {
+        const entryToDelete = await Diary.findOne({
+            where: { id: diaryId, userId: userId }
+        });
+        if (!entryToDelete) {
+            throw new Error('Diary entry not found or unauthorized access');
+        }
+        await entryToDelete.destroy();
+        return true;
+    }
+
+    async getDiaryEntries(userId) {
+        const entries = await Diary.findAll({
+            where: { userId: userId },
+            order: [['createdAt', 'DESC']]
+        });
+        return entries;
+    }
 }

 export default SocialNetworkService;
--- a/backend/utils/sequelize.js
+++ b/backend/utils/sequelize.js
@@ -30,4 +30,4 @@ const syncModels = async (models) => {
    }
 };

-export { sequelize, initializeDatabase };
+export { sequelize, initializeDatabase, syncModels };
--- a/backend/utils/syncDatabase.js
+++ b/backend/utils/syncDatabase.js
@@ -1,4 +1,4 @@
-import { initializeDatabase } from './sequelize.js';
+import { initializeDatabase, syncModels } from './sequelize.js';
 import initializeTypes from './initializeTypes.js';
 import initializeSettings from './initializeSettings.js';
 import initializeUserRights from './initializeUserRights.js';
@@ -10,10 +10,8 @@ import { createTriggers } from '../models/trigger.js';
 const syncDatabase = async () => {
    try {
        await initializeDatabase();
+        await syncModels(models);
        setupAssociations();
-        for (const model of Object.values(models)) {
-            await model.sync();
-        }
        createTriggers();

        await initializeSettings();
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -4,7 +4,17 @@
    <AppNavigation v-if="isLoggedIn && user.active" />
    <AppContent />
    <AppFooter />
-  </div>
+    <AnswerContact ref="answerContactDialog" />
+    <RandomChatDialog ref="randomChatDialog" />
+    <CreateFolderDialog ref="createFolderDialog" />
+    <EditImageDialog ref="editImageDialog" />
+    <UserProfileDialog ref="userProfileDialog" />
+    <ChooseDialog ref="chooseDialog" />
+    <ContactDialog ref="contactDialog" />
+    <DataPrivacyDialog ref="dataPrivacyDialog" />
+    <ErrorDialog ref="errorDialog" />
+    <ImprintDialog ref="imprintDialog" />
+    <ShowImageDialog ref="showImageDialog" /></div>
 </template>

 <script>
@@ -13,6 +23,17 @@ import AppHeader from './components/AppHeader.vue';
 import AppNavigation from './components/AppNavigation.vue';
 import AppContent from './components/AppContent.vue';
 import AppFooter from './components/AppFooter.vue';
+import AnswerContact from './dialogues/admin/AnswerContact.vue';
+import RandomChatDialog from './dialogues/chat/RandomChatDialog.vue';
+import CreateFolderDialog from './dialogues/socialnetwork/CreateFolderDialog.vue';
+import EditImageDialog from './dialogues/socialnetwork/EditImageDialog.vue';
+import UserProfileDialog from './dialogues/socialnetwork/UserProfileDialog.vue';
+import ChooseDialog from './dialogues/standard/ChooseDialog.vue';
+import ContactDialog from './dialogues/standard/ContactDialog.vue';
+import DataPrivacyDialog from './dialogues/standard/DataPrivacyDialog.vue';
+import ErrorDialog from './dialogues/standard/ErrorDialog.vue';
+import ImprintDialog from './dialogues/standard/ImprintDialog.vue';
+import ShowImageDialog from './dialogues/socialnetwork/ShowImageDialog.vue';

 export default {
  name: 'App',
@@ -26,7 +47,18 @@ export default {
    AppHeader,
    AppNavigation,
    AppContent,
-    AppFooter
+    AppFooter,
+    AnswerContact,
+    RandomChatDialog,
+    CreateFolderDialog,
+    EditImageDialog,
+    UserProfileDialog,
+    ChooseDialog,
+    ContactDialog,
+    DataPrivacyDialog,
+    ErrorDialog,
+    ImprintDialog,
+    ShowImageDialog,
  },
  created() {
    this.$store.dispatch('loadLoginState');
--- a/frontend/src/components/AppFooter.vue
+++ b/frontend/src/components/AppFooter.vue
@@ -14,37 +14,28 @@
      <a href="#" @click.prevent="openDataPrivacyDialog">{{ $t('dataPrivacy.button') }}</a>
      <a href="#" @click.prevent="openContactDialog">{{ $t('contact.button') }}</a>
    </div>
-    <ImprintDialog ref="imprintDialog" name="imprintDialog" />
-    <DataPrivacyDialog ref="dataPrivacyDialog" name="dataPrivacyDialog" />
-    <ContactDialog ref="contactDialog" name="contactDialog" />
  </footer>
 </template>

 <script>
 import { mapGetters } from 'vuex';
-import ImprintDialog from '../dialogues/standard/ImprintDialog.vue';
-import DataPrivacyDialog from '../dialogues/standard/DataPrivacyDialog.vue';
-import ContactDialog from '../dialogues/standard/ContactDialog.vue';

 export default {
  name: 'AppFooter',
  components: {
-    ImprintDialog,
-    DataPrivacyDialog,
-    ContactDialog,
  },
  computed: {
    ...mapGetters('dialogs', ['openDialogs'])
  },
  methods: {
    openImprintDialog() {
-      this.$refs.imprintDialog.open();
+      this.$root.$refs.imprintDialog.open();
    },
    openDataPrivacyDialog() {
-      this.$refs.dataPrivacyDialog.open();
+      this.$root.$refs.dataPrivacyDialog.open();
    },
    openContactDialog() {
-      this.$refs.contactDialog.open();
+      this.$root.$refs.contactDialog.open();
    },
    toggleDialogMinimize(dialogName) {
      this.$store.dispatch('dialogs/toggleDialogMinimize', dialogName);
--- a/frontend/src/components/DialogWidget.vue
+++ b/frontend/src/components/DialogWidget.vue
@@ -1,5 +1,5 @@
 <template>
-  <div v-if="visible" :class="['dialog-overlay', { 'non-modal': !modal }]" @click.self="handleOverlayClick">
+  <div v-if="visible" :class="['dialog-overlay', { 'non-modal': !modal, 'is-active': isActive }]" @click.self="handleOverlayClick">
    <div class="dialog" :class="{ minimized: minimized }"
      :style="{ width: dialogWidth, height: dialogHeight, top: dialogTop, left: dialogLeft, position: 'absolute' }"
      v-if="!minimized" ref="dialog">
@@ -75,6 +75,7 @@ export default {
      dragOffsetY: 0,
      localTitle: this.title,
      localIsTitleTranslated: this.isTitleTranslated,
+      isActive: false,
    };
  },
  computed: {
@@ -112,7 +113,7 @@ export default {
    },
    buttonClick(action) {
      if (typeof action === 'function') {
-        action(); // Wenn action eine Funktion ist, rufe sie direkt auf
+        action();
      } else {
        this.$emit(action);
        if (action === 'close') {
@@ -132,6 +133,9 @@ export default {
      this.minimized = !this.minimized;
      this.$store.dispatch('dialogs/toggleDialogMinimize', this.name);
    },
+    isMinimized() {
+      return this.minimized;
+    },
    startDragging(event) {
      this.isDragging = true;
      const dialog = this.$refs.dialog;
@@ -159,6 +163,9 @@ export default {
        isTitleTranslated: this.localIsTitleTranslated
      });
    },
+    setActiveState(newActiveState) {
+      this.isActive = newActiveState;
+    }
  }
 };
 </script>
@@ -254,4 +261,7 @@ export default {
  color: #7E471B;
  border: 1px solid #7E471B;
 }
+.is-active {
+  z-index: 990;
+}
 </style>
--- a/frontend/src/components/FolderItem.vue
+++ b/frontend/src/components/FolderItem.vue
@@ -1,20 +1,25 @@
 <template>
    <div class="folder-item">
-        <span @click="selectFolder" class="folder-name" :class="{ selected: folder.id === selectedFolder?.id }">
+        <div @click="selectFolder" class="folder-name" :class="{ selected: folder.id === selectedFolder?.id }">
+            <span v-if="!noActionItems" class="action-items">
+                <span @click="$emit('edit-folder', folder)" class="icon edit-icon" title="Edit folder">✎</span>
+                <span @click="$emit('delete-folder', folder)" class="icon delete-icon" title="Delete folder">✖</span>
+            </span>
            <template v-for="i in depth">
                <span v-if="showPipe(i)" class="marker filler">|</span>
                <span v-else class="marker filler">&nbsp;</span>
            </template>
            <span v-if="isLastItem" class="end-marker marker">⌞</span>
            <span v-else class="marker">&#x251C;</span>
-            <span>&nbsp;{{ folder.name }}</span>
-        </span>
+            <span class="folder-name-text">&nbsp;{{ folder.name }}</span>
+        </div>
+
        <template v-if="folder.children && folder.children.length" class="children">
            <folder-item v-for="(child, index) in folder.children" :key="child.id" :folder="child"
                :selected-folder="selectedFolder" @select-folder="forwardSelectFolderEvent"
-                :depth="depth + 1"
-                :isLastItem="index === folder.children.length - 1"
-                :parentsWithChildren="getNewParentsWithChildrenList(index)">
+                @edit-folder="$emit('edit-folder', $event)" @delete-folder="$emit('delete-folder', $event)"
+                :depth="depth + 1" :isLastItem="index === folder.children.length - 1"
+                :parentsWithChildren="getNewParentsWithChildrenList(index)" :noActionItems="noActionItems">
            </folder-item>
        </template>
    </div>
@@ -36,6 +41,10 @@ export default {
            type: Array,
            default: () => []
        },
+        noActionItems: {
+            type: Boolean,
+            default: false
+        },
        selectedFolder: Object,
    },
    methods: {
@@ -58,10 +67,6 @@ export default {
 </script>

 <style scoped>
-.folder-name {
-    cursor: pointer;
-}
-
 .selected {
    font-weight: bold;
 }
@@ -89,4 +94,25 @@ export default {
 .folder-item {
    margin: -2px 0;
 }
+
+.folder-actions {
+    display: flex;
+    gap: 10px;
+}
+
+.icon {
+    cursor: pointer;
+}
+
+.edit-icon {
+    color: green;
+}
+
+.delete-icon {
+    color: red;
+}
+
+.folder-name-text {
+    cursor: pointer;
+}
 </style>
--- a/frontend/src/dialogues/auth/RegisterDialog.vue
+++ b/frontend/src/dialogues/auth/RegisterDialog.vue
@@ -18,7 +18,6 @@
            <SelectDropdownWidget labelTr="settings.personal.label.language" :v-model="language"
                tooltipTr="settings.personal.tooltip.language" :list="languages" :value="language" />
        </div>
-        <ErrorDialog ref="errorDialog" />
    </DialogWidget>
 </template>

@@ -26,14 +25,12 @@
 import { mapActions } from 'vuex';
 import apiClient from '@/utils/axios.js';
 import DialogWidget from '@/components/DialogWidget.vue';
-import ErrorDialog from '@/dialogues/standard/ErrorDialog.vue';
 import SelectDropdownWidget from '@/components/form/SelectDropdownWidget.vue';

 export default {
    name: 'RegisterDialog',
    components: {
        DialogWidget,
-        ErrorDialog,
        SelectDropdownWidget,
    },
    data() {
@@ -85,7 +82,7 @@ export default {
        },
        async register() {
            if (!this.canRegister) {
-                this.$refs.errorDialog.open('tr:register.passwordMismatch');
+                this.$root.$refs.errrorDialog.open('tr:register.passwordMismatch');
                return;
            }

@@ -102,14 +99,14 @@ export default {
                    this.$refs.dialog.close();
                    this.$router.push('/activate');
                } else {
-                    this.$refs.errorDialog.open("tr:register.failure");
+                    this.$root.$refs.errrorDialog.open("tr:register.failure");
                }
            } catch (error) {
                if (error.response && error.response.status === 409) {
-                    this.$refs.errorDialog.open('tr:register.' + error.response.data.error);
+                    this.$root.$refs.errrorDialog.open('tr:register.' + error.response.data.error);
                } else {
                    console.error('Error registering user:', error);
-                    this.$refs.errorDialog.open('tr:register.' + error.response.data.error);
+                    this.$root.$refs.errrorDialog.open('tr:register.' + error.response.data.error);
                }
            }
        },
--- a/frontend/src/dialogues/socialnetwork/CreateFolderDialog.vue
+++ b/frontend/src/dialogues/socialnetwork/CreateFolderDialog.vue
@@ -5,36 +5,38 @@
        <div>
            <div class="form-group">
                <label>{{ $t("socialnetwork.gallery.create_folder_dialog.parent_folder") }}</label>
+                <!-- Hier wird der übergeordnete Ordner angezeigt, aber nicht bearbeitbar -->
                <input type="text" :value="parentFolder.name" disabled />
            </div>
            <div class="form-group">
                <label for="folderTitle">{{ $t("socialnetwork.gallery.create_folder_dialog.folder_title") }}</label>
+                <!-- Setze den Titel des Ordners für Bearbeiten -->
                <input type="text" v-model="folderTitle"
                    :placeholder="$t('socialnetwork.gallery.create_folder_dialog.folder_title')" required />
            </div>
            <div class="form-group">
-                <label for="visibility">{{ $t("socialnetwork.gallery.create_folder_dialog.visibility") }}
-                    <multiselect v-model="selectedVisibility" :options="visibilityOptions" :multiple="true"
-                        label="description" :track-by="'id'" :close-on-select="false"
-                        :placeholder="$t('socialnetwork.gallery.create_folder_dialog.select_visibility')">
-                        <template #option="{ option }">
-                            <span v-if="option && option.description">{{
-                                $t(`socialnetwork.gallery.visibility.${option.description}`) }}
-                            </span>
-                        </template>
-                        <template #tag="{ option, remove }">
-                            <span v-if="option && option.description" class="multiselect__tag">
-                                {{ $t(`socialnetwork.gallery.visibility.${option.description}`) }}
-                                <span @click="remove(option)">×</span>
-                            </span>
-                        </template>
-                    </multiselect>
-                </label>
+                <label for="visibility">{{ $t("socialnetwork.gallery.create_folder_dialog.visibility") }}</label>
+                <multiselect v-model="selectedVisibility" :options="visibilityOptions" :multiple="true"
+                    label="description" :track-by="'id'" :close-on-select="false"
+                    :placeholder="$t('socialnetwork.gallery.create_folder_dialog.select_visibility')">
+                    <template #option="{ option }">
+                        <span v-if="option && option.description">{{
+                            $t(`socialnetwork.gallery.visibility.${option.description}`) }}
+                        </span>
+                    </template>
+                    <template #tag="{ option, remove }">
+                        <span v-if="option && option.description" class="multiselect__tag">
+                            {{ $t(`socialnetwork.gallery.visibility.${option.description}`) }}
+                            <span @click="remove(option)">×</span>
+                        </span>
+                    </template>
+                </multiselect>
            </div>
        </div>
    </DialogWidget>
 </template>

+
 <script>
 import Multiselect from 'vue-multiselect';
 import DialogWidget from '@/components/DialogWidget.vue';
@@ -47,20 +49,13 @@ export default {
        DialogWidget,
        Multiselect
    },
-    props: {
-        parentFolder: {
-            type: [Object, null],
-            required: true,
-            default() {
-                return { id: null, name: '' };
-            }
-        }
-    },
    data() {
        return {
            folderTitle: '',
            visibilityOptions: [],
            selectedVisibility: [],
+            parentFolder: {id: null, name: ''},
+            folderId: 0
        };
    },
    computed: {
@@ -73,44 +68,56 @@ export default {
        await this.loadVisibilityOptions();
    },
    methods: {
-        async open() {
-            if (!this.parentFolder || !this.parentFolder.id) {
-                console.error('No parent folder selected');
-                return;
+        open(folder = null) {
+            if (folder) {
+                this.folderTitle = folder.name;
+                this.selectedVisibility = this.visibilityOptions.filter(option =>
+                    folder.visibilityTypeIds.includes(option.id)
+                );
+            } else {
+                this.folderTitle = '';
+                this.selectedVisibility = [];
            }
            this.$refs.dialog.open();
        },
-        closeDialog() {
-            this.$refs.dialog.close();
-        },
        async loadVisibilityOptions() {
            try {
                const response = await apiClient.get('/api/socialnetwork/imagevisibilities');
                this.visibilityOptions = response.data;
+                if (this.selectedVisibility.length) {
+                    this.selectedVisibility = this.visibilityOptions.filter(option =>
+                        this.selectedVisibility.map(v => v.id).includes(option.id)
+                    );
+                }
            } catch (error) {
                console.error('Error loading visibility options:', error);
            }
        },
        async createFolder() {
-            if (!this.folderTitle || !this.selectedVisibility) {
+            if (!this.folderTitle || !this.selectedVisibility.length) {
                alert(this.$t('socialnetwork.gallery.errors.missing_fields'));
                return;
            }
-
+            const payload = {
+                name: this.folderTitle,
+                parentId: this.parentFolder.id,
+                visibilities: this.selectedVisibility.map(item => item.id),
+            };
            try {
-                const payload = {
-                    name: this.folderTitle,
-                    parentId: this.parentFolder.id,
-                    visibilities: this.selectedVisibility.map(item => item.id),
-                };
-
-                await apiClient.post('/api/socialnetwork/folders', payload);
+                if (this.parentFolder.id) {
+                    await apiClient.put(`/api/socialnetwork/folders/${this.parentFolder.id}`, payload);
+                } else {
+                    await apiClient.post(`/api/socialnetwork/folders/${this.folderId}`, payload);
+                }
                this.$emit('created', payload);
                this.closeDialog();
            } catch (error) {
-                console.error('Error creating folder:', error);
+                console.error('Fehler beim Erstellen/Bearbeiten des Ordners:', error);
            }
-        }
+        },
+        closeDialog() {
+            this.$refs.dialog.close();
+        },
    }
 };

--- a/frontend/src/dialogues/socialnetwork/EditImageDialog.vue
+++ b/frontend/src/dialogues/socialnetwork/EditImageDialog.vue
@@ -1,7 +1,7 @@
 <template>
    <DialogWidget ref="dialog" title="socialnetwork.gallery.edit_image_dialog.title" icon="image16.png"
        :show-close="true" :buttons="buttons" :modal="true" :isTitleTranslated="true" @close="closeDialog"
-        name="ImageDialog">
+        name="EditImageDialog">
        <div>
            <div class="image-container">
                <img :src="image.url" alt="Image" :style="{ maxWidth: '600px', maxHeight: '600px' }" />
@@ -37,21 +37,17 @@ import Multiselect from 'vue-multiselect';
 import DialogWidget from '@/components/DialogWidget.vue';

 export default {
+    name: "EditImageDialog",
    components: {
        DialogWidget,
        Multiselect,
    },
-    props: {
-        visibilityOptions: {
-            type: Array,
-            required: true,
-        },
-    },
    data() {
        return {
            image: null,
            imageTitle: '',
            selectedVisibilities: [],
+            visibilityOptions: [],
        };
    },
    computed: {
--- a/frontend/src/dialogues/socialnetwork/ShowImageDialog.vue
+++ b/frontend/src/dialogues/socialnetwork/ShowImageDialog.vue
@@ -0,0 +1,65 @@
+<template>
+    <DialogWidget ref="dialog" title="socialnetwork.gallery.show_image_dialog.title" icon="image16.png"
+        :show-close="true" :buttons="buttons" :modal="true" :isTitleTranslated="true" @close="closeDialog"
+        name="ImageDialog">
+        <div>
+            <div class="image-container">
+                <img :src="image.url" alt="Image" :style="{ maxWidth: '600px', maxHeight: '600px' }" />
+            </div>
+            <div class="form-group">
+                <label for="imageTitle">{{ $t('socialnetwork.gallery.imagedialog.image_title') }} <span type="text">{{
+                        imageTitle }}</span></label>
+            </div>
+        </div>
+    </DialogWidget>
+</template>
+
+<script>
+import DialogWidget from '@/components/DialogWidget.vue';
+
+export default {
+    name: "ShowImageDialog",
+    components: {
+        DialogWidget,
+    },
+    data() {
+        return {
+            image: null,
+            imageTitle: '',
+        };
+    },
+    computed: {
+        buttons() {
+            return [
+                { text: this.$t('socialnetwork.gallery.imagedialog.close'), action: this.closeDialog }
+            ];
+        },
+    },
+    methods: {
+        open(image) {
+            this.image = image;
+            this.imageTitle = image.title;
+            this.$refs.dialog.open();
+        },
+        closeDialog() {
+            this.$refs.dialog.close();
+        },
+    },
+};
+</script>
+
+<style scoped>
+.form-group {
+    margin-bottom: 15px;
+}
+
+.image-container {
+    text-align: center;
+    margin-bottom: 20px;
+}
+
+.multiselect {
+    display: inline-block;
+    width: auto;
+}
+</style>
--- a/frontend/src/dialogues/socialnetwork/UserProfileDialog.vue
+++ b/frontend/src/dialogues/socialnetwork/UserProfileDialog.vue
@@ -1,7 +1,8 @@
 <template>
    <DialogWidget ref="dialog" :title="$t('socialnetwork.profile.pretitle')" :isTitleTranslated="isTitleTranslated"
-        :show-close="true" :buttons="[{ text: 'Ok', action: 'close' }]" :modal="false" @close="closeDialog">
-        <div  class="dialog-body">
+        :show-close="true" :buttons="[{ text: 'Ok', action: 'close' }]" :modal="false" @close="closeDialog"
+        height="75%">
+        <div class="dialog-body">
            <div>
                <ul class="tab-list">
                    <li v-for="tab in tabs" :key="tab.name" :class="{ active: activeTab === tab.name }"
@@ -9,7 +10,6 @@
                        {{ tab.label }}
                    </li>
                </ul>
-
                <div class="tab-content" v-if="activeTab === 'general'">
                    <table>
                        <tr v-for="(value, key) in userProfile.params" :key="key">
@@ -18,6 +18,67 @@
                        </tr>
                    </table>
                </div>
+                <div class="tab-content images-tab" v-if="activeTab === 'images'">
+                    <div v-if="folders.length === 0">{{ $t('socialnetwork.profile.noFolders') }}</div>
+                    <ul v-else class="tree">
+                        <folder-item v-for="folder in [folders]" :key="folder.id" :folder="folder"
+                            :selected-folder="selectedFolder" @select-folder="selectFolder" :isLastItem="true"
+                            :depth="0" :parentsWithChildren="[false]" :noActionItems="true">
+                        </folder-item>
+                    </ul>
+                    <ul v-if="images.length > 0" class="image-list">
+                        <li v-for="image in images" :key="image.id" @click="openImageDialog(image)">
+                            <img :src="image.url || image.placeholder" alt="Loading..." />
+                            <p>{{ image.title }}</p>
+                        </li>
+                    </ul>
+                </div>
+                <div class="tab-content" v-if="activeTab === 'guestbook'">
+                    <div class="guestbook-input-section">
+                        <button @click="toggleInputSection">
+                            {{ showInputSection ? $t('socialnetwork.profile.guestbook.hideInput') :
+                            $t('socialnetwork.profile.guestbook.showInput') }}
+                        </button>
+
+                        <div v-if="showInputSection">
+                            <div class="form-group">
+                                <label for="guestbookImage">{{ $t('socialnetwork.profile.guestbook.imageUpload')
+                                    }}</label>
+                                <input type="file" @change="onFileChange" accept="image/*" />
+                                <div v-if="imagePreview" class="image-preview">
+                                    <img :src="imagePreview" alt="Image Preview"
+                                        style="max-width: 100px; max-height: 100px;" />
+                                </div>
+                                <editor v-model="newEntryContent" :init="tinymceInitOptions" :api-key="apiKey"></editor>
+                            </div>
+                            <button @click="submitGuestbookEntry">{{ $t('socialnetwork.profile.guestbook.submit')
+                                }}</button>
+                        </div>
+                    </div>
+                    <div v-if="guestbookEntries.length === 0">{{ $t('socialnetwork.profile.guestbook.noEntries') }}
+                    </div>
+                    <div v-else class="guestbook-entries">
+                        <div v-for="entry in guestbookEntries" :key="entry.id" class="guestbook-entry">
+                            <img v-if="entry.image" :src="entry.image.url" alt="Entry Image"
+                                style="max-width: 400px; max-height: 400px;" />
+                            <p v-html="entry.contentHtml"></p>
+                            <div class="entry-info">
+                                <span class="entry-timestamp">{{ new Date(entry.createdAt).toLocaleString() }}</span>
+                                <span class="entry-user">
+                                    <span @click="openProfile(entry.senderUsername)">{{ entry.sender }}</span>
+                                </span>
+                            </div>
+                        </div>
+                        <div class="pagination">
+                            <button @click="loadGuestbookEntries(currentPage - 1)" :disabled="currentPage === 1">{{
+                                $t('socialnetwork.guestbook.prevPage') }}</button>
+                            <span>{{ $t('socialnetwork.guestbook.page') }} {{ currentPage }} / {{ totalPages }}</span>
+                            <button @click="loadGuestbookEntries(currentPage + 1)"
+                                :disabled="currentPage === totalPages">{{ $t('socialnetwork.guestbook.nextPage')
+                                }}</button>
+                        </div>
+                    </div>
+                </div>
            </div>
        </div>
    </DialogWidget>
@@ -26,11 +87,15 @@
 <script>
 import DialogWidget from '@/components/DialogWidget.vue';
 import apiClient from '@/utils/axios.js';
+import FolderItem from '../../components/FolderItem.vue';
+import TinyMCEEditor from '@tinymce/tinymce-vue';

 export default {
    name: 'UserProfileDialog',
    components: {
-        DialogWidget
+        DialogWidget,
+        FolderItem,
+        editor: TinyMCEEditor,
    },
    props: {
        userId: {
@@ -44,11 +109,35 @@ export default {
            userProfile: {},
            activeTab: 'general',
            userId: '',
+            folders: [],
+            images: [],
+            selectedFolder: null,
+            newEntryContent: '',
+            guestbookEntries: [],
+            showInputSection: false,
+            imagePreview: null,
+            selectedImage: null,
+            currentPage: 1,
+            totalPages: 1,
            tabs: [
                { name: 'general', label: this.$t('socialnetwork.profile.tab.general') },
                { name: 'images', label: this.$t('socialnetwork.profile.tab.images') },
                { name: 'guestbook', label: this.$t('socialnetwork.profile.tab.guestbook') }
            ],
+            apiKey: import.meta.env.VITE_TINYMCE_API_KEY,
+            tinymceInitOptions: {
+                height: 300,
+                menubar: false,
+                plugins: [
+                    'advlist autolink lists link image charmap print preview anchor',
+                    'searchreplace visualblocks code fullscreen',
+                    'insertdatetime media table paste code help wordcount'
+                ],
+                toolbar:
+                    'undo redo cut copy paste | bold italic forecolor fontfamily fontsize | \
+                    alignleft aligncenter alignright alignjustify | \
+                    bullist numlist outdent indent | removeformat | help'
+            }
        };
    },
    methods: {
@@ -58,26 +147,43 @@ export default {
        },
        async loadUserProfile() {
            try {
-                const response = await apiClient.get(`/api/socialnetwork/profile/${this.userId}`);
+                const response = await apiClient.get(`/api/socialnetwork/profile/main/${this.userId}`);
                this.userProfile = response.data;
                const newTitle = this.$t('socialnetwork.profile.title').replace('<username>', this.userProfile.username);
                this.$refs.dialog.updateTitle(newTitle, false);
+                if (this.activeTab === 'images') {
+                    await this.loadUserFolders();
+                }
            } catch (error) {
                this.$refs.dialog.updateTitle('socialnetwork.profile.error_title', true);
                console.error('Fehler beim Laden des Benutzerprofils:', error);
            }
        },
+        async loadUserFolders() {
+            try {
+                const response = await apiClient.get(`/api/socialnetwork/profile/images/folders/${this.userProfile.username}`);
+                this.folders = response.data || [];
+                this.selectFolder(this.folders);
+            } catch (error) {
+                console.error('Fehler beim Laden der Ordner:', error);
+            }
+        },
        closeDialog() {
            this.$refs.dialog.close();
        },
        selectTab(tabName) {
            this.activeTab = tabName;
+            if (tabName === 'images') {
+                this.loadUserFolders();
+            } else if (tabName === 'guestbook') {
+                this.loadGuestbookEntries(1);
+            }
        },
        generateValue(key, value) {
            if (Array.isArray(value.value)) {
                const strings = [];
                for (const val of value.value) {
-                    strings.push(this.generateValue(key, {type: value.type, value: val}));
+                    strings.push(this.generateValue(key, { type: value.type, value: val }));
                }
                return strings.join(', ');
            }
@@ -101,7 +207,109 @@ export default {
                default:
                    return value.value;
            }
-        }
+        },
+        async selectFolder(folder) {
+            this.selectedFolder = folder;
+            await this.loadImages(folder.id);
+        },
+        async loadImages(folderId) {
+            try {
+                const response = await apiClient.get(`/api/socialnetwork/folder/${folderId}`);
+                this.images = response.data.map((image) => ({
+                    ...image,
+                    placeholder:
+                        'data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"%3E%3C/svg%3E',
+                    url: null,
+                }));
+                await this.fetchImages();
+            } catch (error) {
+                console.error('Error loading images:', error);
+            }
+        },
+        async fetchImages() {
+            this.images.forEach((image) => {
+                this.fetchImage(image);
+            });
+        },
+        async fetchImage(image) {
+            const userId = localStorage.getItem('userid');
+            try {
+                const response = await apiClient.get(`/api/socialnetwork/image/${image.hash}`, {
+                    headers: {
+                        userid: userId,
+                    },
+                    responseType: 'blob',
+                });
+                image.url = URL.createObjectURL(response.data);
+            } catch (error) {
+                console.error('Error fetching image:', error);
+            }
+        },
+        openImageDialog(image) {
+            this.$root.$refs.showImageDialog.open(image);
+        },
+        toggleInputSection() {
+            this.showInputSection = !this.showInputSection;
+        },
+        onFileChange(event) {
+            const file = event.target.files[0];
+            if (file) {
+                this.selectedImage = file;
+                const reader = new FileReader();
+                reader.onload = (e) => {
+                    this.imagePreview = e.target.result;
+                };
+                reader.readAsDataURL(file);
+            }
+        },
+        async submitGuestbookEntry() {
+            if (!this.newEntryContent) return alert(this.$t('socialnetwork.guestbook.emptyContent'));
+            const formData = new FormData();
+            formData.append('htmlContent', this.newEntryContent);
+            formData.append('recipientName', this.userProfile.username);
+            if (this.selectedImage) {
+                formData.append('image', this.selectedImage);
+            }
+            try {
+                await apiClient.post('/api/socialnetwork/guestbook/entries', formData, {
+                    headers: {
+                        'Content-Type': 'multipart/form-data'
+                    }
+                });
+                this.newEntryContent = '';
+                this.selectedImage = null;
+                this.imagePreview = null;
+                await this.loadGuestbookEntries(1);
+            } catch (error) {
+                console.error('Fehler beim Erstellen des Gästebucheintrags:', error);
+            }
+        },
+        async loadGuestbookEntries(page) {
+            try {
+                const response = await apiClient.get(`/api/socialnetwork/guestbook/entries/${this.userProfile.username}/${page}`);
+                this.guestbookEntries = response.data.entries;
+                this.currentPage = response.data.currentPage;
+                this.totalPages = response.data.totalPages;
+                this.guestbookEntries.forEach((entry) => {
+                    if (entry.withImage) {
+                        this.fetchGuestbookImage(this.userProfile.username, entry);
+                    }
+                });
+            } catch (error) {
+                console.error('Fehler beim Laden der Gästebucheinträge:', error);
+            }
+        },
+        async fetchGuestbookImage(guestbookOwnerName, entry) {
+            try {
+                console.log(entry, guestbookOwnerName);
+                const response = await apiClient.get(`/api/socialnetwork/guestbook/image/${guestbookOwnerName}/${entry.id}`, {
+                    responseType: 'blob',
+                });
+                entry.image = { url: URL.createObjectURL(response.data) };
+            } catch (error) {
+                console.error('Error fetching image:', error);
+            }
+        },
    }
 };
 </script>
@@ -138,12 +346,90 @@ export default {
 }

 .dialog-body,
-.dialog-body > div {
+.dialog-body>div {
    height: 100%;
 }

-.dialog-body > div {
+.dialog-body>div {
    display: flex;
    flex-direction: column;
 }
+
+.tree {
+    padding: 0;
+}
+
+.images-tab {
+    display: flex;
+}
+
+.image-list {
+    display: flex;
+    flex-direction: column;
+    flex-wrap: wrap;
+    list-style: none;
+}
+
+.image-list li {
+    display: inline-block;
+    padding: 2px;
+    border: 1px solid #F9A22C;
+    margin: 0 4px 4px 0;
+}
+
+.image-list li img {
+    max-width: 200px;
+    max-height: 200px;
+    object-fit: contain;
+    cursor: pointer;
+}
+
+.image-list > li > p {
+    text-align: center;
+}
+
+.folder-name-text {
+    cursor: pointer;
+}
+
+.guestbook-input-section {
+    margin-bottom: 20px;
+}
+
+.form-group {
+    margin: 10px 0;
+}
+
+.image-preview img {
+    max-width: 100px;
+    max-height: 100px;
+}
+
+.guestbook-entries {
+    display: flex;
+    flex-direction: column;
+}
+
+.guestbook-entry {
+    border-bottom: 1px solid #ccc;
+    margin-bottom: 20px;
+    padding-bottom: 10px;
+}
+
+.entry-info {
+    display: flex;
+    justify-content: space-between;
+    font-size: 0.8em;
+    color: gray;
+}
+
+.pagination {
+    display: flex;
+    justify-content: center;
+    margin-top: 20px;
+}
+
+.pagination button {
+    margin: 0 10px;
+}
 </style>
--- a/frontend/src/dialogues/standard/ChooseDialog.vue
+++ b/frontend/src/dialogues/standard/ChooseDialog.vue
@@ -0,0 +1,62 @@
+<template>
+    <DialogWidget ref="dialog" :title="title" :icon="icon" :show-close="true" :buttons="dialogButtons" :modal="true"
+        :isTitleTranslated="false" width="30em" height="15em">
+        <div class="dialog-body">
+            <p>{{ message }}</p>
+        </div>
+    </DialogWidget>
+</template>
+
+<script>
+import DialogWidget from "@/components/DialogWidget.vue";
+
+export default {
+    name: "ChooseDialog",
+    components: {
+        DialogWidget,
+    },
+    data() {
+        return {
+            title: "Bestätigung",
+            message: "Sind Sie sicher?",
+            icon: null,
+            resolve: null,
+        };
+    },
+    methods: {
+        open(options = {}) {
+            this.title = options.title || "Bestätigung";
+            this.message = options.message || "Sind Sie sicher?";
+            this.icon = options.icon || null;
+            this.dialogButtons = [
+                { text: this.$t("yes"), action: this.confirmYes },
+                { text: this.$t("no"), action: this.confirmNo },
+            ];
+            return new Promise((resolve) => {
+                this.resolve = resolve;
+                this.$refs.dialog.open();
+            });
+        },
+        close() {
+            this.$refs.dialog.close();
+        },
+        confirmYes() {
+            console.log('ja');
+            this.resolve(true);
+            this.close();
+        },
+        confirmNo() {
+            console.log('nein');
+            this.resolve(false);
+            this.close();
+        },
+    },
+};
+</script>
+
+<style scoped>
+.dialog-body {
+    padding: 20px;
+    text-align: center;
+}
+</style>
--- a/frontend/src/i18n/locales/de/general.json
+++ b/frontend/src/i18n/locales/de/general.json
@@ -29,5 +29,7 @@
        "datetimelong": "dd.MM.yyyy HH:mm:ss"
    },
    "OK": "Ok",
-    "Cancel": "Abbrechen"
+    "Cancel": "Abbrechen",
+    "yes": "Ja",
+    "no": "Nein"
 }
--- a/frontend/src/i18n/locales/de/socialnetwork.json
+++ b/frontend/src/i18n/locales/de/socialnetwork.json
@@ -115,6 +115,13 @@
                    "none": "Keine"
                }
            },
+            "guestbook": {
+                "showInput": "Neuer Eintrag anzeigen",
+                "hideInput": "Neuer Eintrag verbergen",
+                "imageUpload": "Bild",
+                "submit": "Eintrag absenden",
+                "noEntries": "Keine Einträge gefunden"
+            },
            "interestedInGender": "Interessiert an",
            "hasChildren": "Hat Kinder",
            "smokes": "Rauchen",
@@ -174,7 +181,21 @@
                "save_changes": "Änderungen speichern",
                "close": "Schließen",
                "edit_visibility_placeholder": "Bitte auswählen"
+            },
+            "delete_folder_confirmation_title": "Ordner löschen",
+            "delete_folder_confirmation_message": "Soll der Ordner '%%folderName%%' wirklich gelöscht werden?",
+            "edit_image_dialog": {
+                "title": "Bilddaten editieren"
+            },
+            "show_image_dialog": {
+                "title": "Bild"
            }
+        },
+        "guestbook": {
+            "title": "Gästebuch",
+            "prevPage": "Zurück",
+            "nextPage": "Weiter",
+            "page": "Seite"
        }
    }
 }
--- a/frontend/src/router/index.js
+++ b/frontend/src/router/index.js
@@ -12,6 +12,7 @@ import AdminInterestsView from '../views/admin/InterestsView.vue';
 import AdminContactsView from '../views/admin/ContactsView.vue';
 import SearchView from '../views/social/SearchView.vue';
 import GalleryView from '../views/social/GalleryView.vue';
+import GuestbookView from '../views/social/GuestbookView.vue';

 const routes = [
  {
@@ -24,6 +25,12 @@ const routes = [
    name: 'Activate page',
    component: ActivateView
  },
+  {
+    path: '/socialnetwork/guestbook',
+    name: 'Guestbook',
+    component: GuestbookView,
+    meta: { requiresAuth: true }
+  },
  {
    path: '/socialnetwork/search',
    name: 'Search users',
--- a/frontend/src/store/modules/dialogs.js
+++ b/frontend/src/store/modules/dialogs.js
@@ -12,9 +12,20 @@ const mutations = {
    if (!state.openDialogs.find((d) => d.dialog.name === dialog.dialog.name)) {
      state.openDialogs.push(dialog);
    }
+    state.openDialogs.forEach((dlg) => {
+      dlg.dialog.setActiveState(false);
+    });
+    dialog.dialog.setActiveState(true);
  },
  removeOpenDialog(state, dialogName) {
    state.openDialogs = state.openDialogs.filter((dialog) => dialog.dialog.name !== dialogName);
+    let activeIsSet = false;
+    state.openDialogs.forEach((dialog) => {
+      if (!dialog.dialog.isMinimized() && !activeIsSet) {
+        dialog.dialog.setActiveState(true);
+        activeIsSet = true;
+      }
+    });
  },
  toggleDialogMinimize(state, dialogName) {
    if (minimizing) {
@@ -30,7 +41,6 @@ const mutations = {
  updateDialogTitle(state, { name, newTitle, isTitleTranslated }) {
    const dialogIndex = state.openDialogs.findIndex((d) => d.dialog.name === name);
    if (dialogIndex !== -1) {
-      // Update dialog object reactively
      const updatedDialog = {
        ...state.openDialogs[dialogIndex],
        dialog: {
@@ -39,8 +49,6 @@ const mutations = {
          isTitleTranslated: isTitleTranslated
        }
      };
-
-      // Replace the old dialog with the updated one
      state.openDialogs.splice(dialogIndex, 1, updatedDialog);
    }
  }
--- a/frontend/src/views/admin/ContactsView.vue
+++ b/frontend/src/views/admin/ContactsView.vue
@@ -21,23 +21,14 @@
            </tbody>
        </table>
    </div>
-    <ErrorDialog ref="errorDialog" />
-    <AnswerContact ref="answerContactDialog" />
 </template>

 <script>
 import apiClient from '@/utils/axios.js';
-import { mapGetters } from 'vuex';
-import ErrorDialog from '@/dialogues/standard/ErrorDialog.vue';
 import { formatDateTimeLong } from '@/utils/datetime.js';
-import AnswerContact from '../../dialogues/admin/AnswerContact.vue';

 export default {
    name: 'AdminContactsView',
-    components: {
-        ErrorDialog,
-        AnswerContact,
-    },
    data() {
        return {
            contacts: []
@@ -53,11 +44,11 @@ export default {
                const openContactRequests = await apiClient.get('/api/admin/opencontacts');
                this.contacts = openContactRequests.data;
            } catch (error) {
-                this.$refs.errorDialog.open(`tr:error.${error.response.data.error}`);
+                this.$root.$refs.errorDialog.open(`tr:error.${error.response.data.error}`);
            }
        },
        async openRequest(contact) {
-            this.$refs.answerContactDialog.open(contact);
+            this.$root.$refs.answerContactDialog.open(contact);
        },
        async finishRequest(contact) {
            await apiClient.get('/api/admin/opencontacts/finish/${contact.id}');
--- a/frontend/src/views/auth/ActivateView.vue
+++ b/frontend/src/views/auth/ActivateView.vue
@@ -11,14 +11,12 @@
                <button type="submit">{{ $t('activate.submit') }}</button>
            </div>
        </form>
-        <ErrorDialog ref="errorDialog" />
    </div>
 </template>

 <script>
 import { mapGetters } from 'vuex';
 import apiClient from '@/utils/axios.js';
-import ErrorDialog from '@/dialogues/standard/ErrorDialog.vue';

 export default {
    name: 'ActivateView',
@@ -27,9 +25,6 @@ export default {
            token: this.$route.query.token || ''
        };
    },
-    components: {
-        ErrorDialog,
-    },
    computed: {
        ...mapGetters(['user'])
    },
@@ -43,7 +38,7 @@ export default {
                }
            } catch (error) {
                console.error('Error activating account:', error);
-                this.$refs.errorDialog.open(this.$t('activate.failure'));
+                this.$root.$refs.errorDialog.open(this.$t('activate.failure'));
            }
        }
    }
--- a/frontend/src/views/home/NoLoginView.vue
+++ b/frontend/src/views/home/NoLoginView.vue
@@ -38,7 +38,6 @@
        <RandomChatDialog ref="randomChatDialog" />
        <RegisterDialog ref="registerDialog" />
        <PasswordResetDialog ref="passwordResetDialog" />
-        <ErrorDialog ref="errorDialog" />
    </div>
 </template>

@@ -48,7 +47,6 @@ import RegisterDialog from '@/dialogues/auth/RegisterDialog.vue';
 import PasswordResetDialog from '@/dialogues/auth/PasswordResetDialog.vue';
 import apiClient from '@/utils/axios.js';
 import { mapActions } from 'vuex';
-import ErrorDialog from '@/dialogues/standard/ErrorDialog.vue';

 export default {
    name: 'HomeNoLoginView',
@@ -62,7 +60,6 @@ export default {
        RandomChatDialog,
        RegisterDialog,
        PasswordResetDialog,
-        ErrorDialog,
    },
    methods: {
        ...mapActions(['login']),
@@ -80,7 +77,7 @@ export default {
                const response = await apiClient.post('/api/auth/login', { username: this.username, password: this.password });
                this.login(response.data);
            } catch (error) {
-                this.$refs.errorDialog.open(`tr:error.${error.response.data.error}`);
+                this.$root.$refs.errorDialog.open(`tr:error.${error.response.data.error}`);
            }
        }
    }
--- a/frontend/src/views/social/GalleryView.vue
+++ b/frontend/src/views/social/GalleryView.vue
@@ -3,10 +3,11 @@
    <div class="gallery-view">
        <div class="sidebar">
            <h3>{{ $t('socialnetwork.gallery.folders') }}</h3>
-            <ul>
+            <ul class="tree">
                <folder-item v-for="folder in [folders]" :key="folder.id" :folder="folder"
                    :selected-folder="selectedFolder" @select-folder="selectFolder" :isLastItem="true" :depth="0"
-                    :parentsWithChildren="[false]"></folder-item>
+                    :parentsWithChildren="[false]" @edit-folder="openEditFolderDialog" @delete-folder="deleteFolder">
+                </folder-item>
            </ul>
            <button @click="openCreateFolderDialog">{{ $t('socialnetwork.gallery.create_folder') }}</button>
        </div>
@@ -74,8 +75,6 @@
            </div>
        </div>
    </div>
-    <CreateFolderDialog ref="createFolderDialog" :parentFolder="selectedFolder" @created="handleFolderCreated" />
-    <ImageDialog ref="imageDialog" :visibilityOptions="visibilityOptions" @save="saveImage" />
 </template>

 <script>
@@ -83,15 +82,11 @@ import apiClient from '@/utils/axios.js';
 import Multiselect from 'vue-multiselect';
 import FolderItem from '../../components/FolderItem.vue';
 import 'vue-multiselect/dist/vue-multiselect.min.css';
-import CreateFolderDialog from '../../dialogues/socialnetwork/CreateFolderDialog.vue';
-import ImageDialog from '../../dialogues/socialnetwork/ImageDialog.vue';

 export default {
    components: {
        FolderItem,
        Multiselect,
-        CreateFolderDialog,
-        ImageDialog,
    },
    data() {
        return {
@@ -154,7 +149,12 @@ export default {
            });
        },
        openCreateFolderDialog() {
-            this.$refs.createFolderDialog.open();
+            const parentFolder = this.selectedFolder || { id: null, name: this.$t('socialnetwork.gallery.root_folder') };
+            Object.assign(this.$root.$refs.createFolderDialog, {
+                parentFolder: parentFolder,
+                folderId: 0,
+            });
+            this.$root.$refs.createFolderDialog.open();
        },
        async handleFolderCreated() {
            await this.loadFolders();
@@ -209,7 +209,7 @@ export default {
            this.isUploadVisible = !this.isUploadVisible;
        },
        openImageDialog(image) {
-            this.$refs.imageDialog.open(image);
+            this.$root.$refs.editImageDialog.open(image);
        },
        async saveImage(updatedImage) {
            try {
@@ -228,7 +228,34 @@ export default {
                console.error('Error saving image:', error);
            }
        },
-   },
+        openEditFolderDialog(folder) {
+            const parentFolder = folder.parent || { id: null, name: this.$t('socialnetwork.gallery.root_folder') };
+            Object.assign(this.$root.$refs.createFolderDialog, {
+                parentFolder: parentFolder,
+                folderId: folder.id,
+            });
+            this.$root.$refs.createFolderDialog.open(folder);
+        },
+        async deleteFolder(folder) {
+            const folderName = folder.name;
+            const confirmed = await this.$root.$refs.chooseDialog.open({
+                title: this.$t('socialnetwork.gallery.delete_folder_confirmation_title'),
+                message: this.$t('socialnetwork.gallery.delete_folder_confirmation_message').replace('%%folderName%%', folderName),
+            });
+            if (confirmed) {
+                const deletedFolderIsCurrentFolder = folder.id === this.selectFolder.id;
+                try {
+                    await apiClient.delete(`/api/socialnetwork/folders/${folder.id}`);
+                    await this.loadFolders();
+                } catch (error) {
+                    console.error('Fehler beim Löschen des Ordners:', error);
+                }
+                if (deletedFolderIsCurrentFolder) {
+                    this.selectFolder = this.folders[0];
+                }
+            }
+        },
+    },
 };
 </script>

@@ -300,4 +327,21 @@ export default {
    object-fit: contain;
    cursor: pointer;
 }
+
+.icon {
+    cursor: pointer;
+    margin-left: 10px;
+}
+
+.edit-icon {
+    color: green;
+}
+
+.delete-icon {
+    color: red;
+}
+
+.tree {
+    padding: 0;
+}
 </style>
--- a/frontend/src/views/social/GuestbookView.vue
+++ b/frontend/src/views/social/GuestbookView.vue
@@ -0,0 +1,93 @@
+<template>
+    <h2>{{ $t('socialnetwork.guestbook.title') }}</h2>
+    <div>
+        <div v-if="guestbookEntries.length === 0">{{ $t('socialnetwork.profile.guestbook.noEntries') }}
+        </div>
+        <div v-else class="guestbook-entries">
+            <div v-for="entry in guestbookEntries" :key="entry.id" class="guestbook-entry">
+                <img v-if="entry.image" :src="entry.image.url" alt="Entry Image"
+                    style="max-width: 400px; max-height: 400px;" />
+                <p v-html="entry.contentHtml"></p>
+                <div class="entry-info">
+                    <span class="entry-timestamp">{{ new Date(entry.createdAt).toLocaleString() }}</span>
+                    <span class="entry-user">
+                        <span @click="openProfile(entry.senderUsername)">{{ entry.sender }}</span>
+                    </span>
+                </div>
+            </div>
+        </div>
+        <div class="pagination">
+            <button @click="loadGuestbookEntries(currentPage - 1)" v-if="currentPage !== 1">{{
+                $t('socialnetwork.guestbook.prevPage') }}</button>
+            <span>{{ $t('socialnetwork.guestbook.page') }} {{ currentPage }} / {{ totalPages }}</span>
+            <button @click="loadGuestbookEntries(currentPage + 1)" v-if="currentPage < totalPages">{{
+                $t('socialnetwork.guestbook.nextPage')
+            }}</button>
+        </div>
+    </div>
+</template>
+
+<script>
+import { mapActions, mapGetters } from 'vuex';
+import apiClient from '@/utils/axios.js';
+
+export default {
+    name: 'GuestbookView',
+    data() {
+        return {
+            guestbookEntries: [],
+            currentPage: 1,
+            totalPages: 1,
+        };
+    },
+    computed: {
+        ...mapGetters(['user']),
+    },
+    methods: {
+        ...mapActions('socialnetwork', ['fetchUserProfile']),
+        openProfile(username) {
+            this.$router.push({ name: 'profile', params: { username } });
+        },
+        async loadGuestbookEntries(page) {
+            console.log(page);
+            try {
+                const response = await apiClient.get(`/api/socialnetwork/guestbook/entries/${this.user.username}/${page}`);
+                this.guestbookEntries = response.data.entries;
+                this.currentPage = page;
+                this.totalPages = response.data.totalPages;
+                this.guestbookEntries.forEach((entry) => {
+                    if (entry.withImage) {
+                        this.fetchGuestbookImage(this.user.username, entry);
+                    }
+                });
+            } catch (error) {
+                console.error('Fehler beim Laden der Gästebucheinträge:', error);
+            }
+            console.log('page changed', this.currentPage);
+        },
+        async fetchGuestbookImage(guestbookOwnerName, entry) {
+            try {
+                const response = await apiClient.get(`/api/socialnetwork/guestbook/image/${this.user.username}/${entry.id}`, {
+                    responseType: 'blob',
+                });
+                entry.image = { url: URL.createObjectURL(response.data) };
+            } catch (error) {
+                console.error('Error fetching image:', error);
+            }
+        },
+    },
+    mounted() {
+        console.log('get it');
+        this.loadGuestbookEntries(1);
+    },
+}
+</script>
+
+<style lang="css" scoped>
+.pagination {
+    margin-top: 1em;
+    background-color: #7BBE55;
+    color: #fff;
+    padding: 0.5em 0;
+}
+</style>
--- a/frontend/src/views/social/SearchView.vue
+++ b/frontend/src/views/social/SearchView.vue
@@ -52,19 +52,16 @@
            {{ $t('socialnetwork.usersearch.no_results') }}
        </div>
    </div>
-    <UserProfileDialog ref="userProfileDialog" :username="selectedUsername" />
 </template>

 <script>
 import Multiselect from 'vue-multiselect';
 import 'vue-multiselect/dist/vue-multiselect.min.css';
 import apiClient from '@/utils/axios.js';
-import UserProfileDialog from '@/dialogues/socialnetwork/UserProfileDialog.vue';

 export default {
    components: {
        Multiselect,
-        UserProfileDialog
    },
    data() {
        return {
@@ -108,8 +105,8 @@ export default {
            }
        },
        openUserProfile(id) {
-            this.$refs.userProfileDialog.userId = id;
-            this.$refs.userProfileDialog.open();
+            this.$root.$refs.userProfileDialog.userId = id;
+            this.$root.$refs.userProfileDialog.open();
        }
    }
 };