feat(Chat): implement chat incident reporting feature

- Added reportChatIncident method in ChatController to handle reporting of chat incidents.
- Introduced a new API route for reporting incidents in chatRouter.
- Implemented chatService methods to ensure the chat report table is created and to handle incident data storage.
- Enhanced frontend components to allow users to report incidents in both multi and random chat dialogs.
- Updated internationalization files to include new strings for reporting functionality in multiple languages.

backend/controllers/chatController.js

@@ -16,6 +16,7 @@ class ChatController {
     this.getRoomCreateOptions = this.getRoomCreateOptions.bind(this);
     this.getOwnRooms = this.getOwnRooms.bind(this);
     this.deleteOwnRoom = this.deleteOwnRoom.bind(this);
+    this.reportChatIncident = this.reportChatIncident.bind(this);
   }
 
   async getMessages(req, res) {
@@ -215,6 +216,32 @@ class ChatController {
       res.status(status).json({ error: error.message });
     }
   }
+
+  async reportChatIncident(req, res) {
+    const schema = Joi.object({
+      context: Joi.string().valid('random_chat', 'multi_chat', 'one_to_one').required(),
+      reporterHashedId: Joi.string().allow('', null),
+      reporterRandomId: Joi.string().allow('', null),
+      reporterUsername: Joi.string().allow('', null),
+      offenderHashedId: Joi.string().allow('', null),
+      offenderRandomId: Joi.string().allow('', null),
+      offenderUsername: Joi.string().allow('', null),
+      incidentAt: Joi.date().iso().required(),
+      chatHistory: Joi.array().min(1).required(),
+      metadata: Joi.object().unknown(true).optional()
+    });
+    const { error, value } = schema.validate(req.body || {});
+    if (error) {
+      return res.status(400).json({ error: error.details[0].message });
+    }
+    try {
+      const result = await chatService.reportChatIncident(value);
+      return res.status(201).json(result);
+    } catch (err) {
+      console.error('Error in reportChatIncident:', err);
+      return res.status(400).json({ error: err.message });
+    }
+  }
 }
 
 export default ChatController;