feat(Calendar): integrate CalendarEvent model and enhance calendar functionality

- Added CalendarEvent model to the backend, establishing relationships with the Club model for better event management.
- Updated server.js to include calendarEventRoutes, enabling API access for calendar events.
- Enhanced CalendarView.vue to support custom event creation and management, improving user interaction with the calendar.
- Refactored various components to streamline event handling and improve overall user experience in the calendar interface.
- Updated TODO and DEVELOPMENT documentation to reflect new calendar features and architectural decisions.

backend/models/CalendarEvent.js

@@ -0,0 +1,25 @@
+import { DataTypes } from 'sequelize';
+import sequelize from '../database.js';
+import Club from './Club.js';
+
+const CalendarEvent = sequelize.define('CalendarEvent', {
+  id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
+  clubId: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    references: { model: Club, key: 'id' },
+    onDelete: 'CASCADE',
+  },
+  title: { type: DataTypes.STRING(255), allowNull: false },
+  startDate: { type: DataTypes.DATEONLY, allowNull: false, field: 'start_date' },
+  endDate: { type: DataTypes.DATEONLY, allowNull: false, field: 'end_date' },
+  category: { type: DataTypes.STRING(64), allowNull: true },
+  notes: { type: DataTypes.TEXT, allowNull: true },
+}, {
+  tableName: 'calendar_events',
+  underscored: true,
+  timestamps: true,
+  indexes: [{ fields: ['club_id', 'start_date'] }],
+});
+
+export default CalendarEvent;

backend/models/index.js

@@ -59,6 +59,7 @@ import MemberTrainingGroup from './MemberTrainingGroup.js';
 import ClubDisabledPresetGroup from './ClubDisabledPresetGroup.js';
 import TrainingTime from './TrainingTime.js';
 import TrainingCancellation from './TrainingCancellation.js';
+import CalendarEvent from './CalendarEvent.js';
 import BillingTemplate from './BillingTemplate.js';
 import BillingTemplateField from './BillingTemplateField.js';
 import BillingRun from './BillingRun.js';
@@ -410,6 +411,8 @@ TrainingGroup.hasMany(TrainingTime, { foreignKey: 'trainingGroupId', as: 'traini
 TrainingTime.belongsTo(TrainingGroup, { foreignKey: 'trainingGroupId', as: 'trainingGroup' });
 Club.hasMany(TrainingCancellation, { foreignKey: 'clubId', as: 'trainingCancellations' });
 TrainingCancellation.belongsTo(Club, { foreignKey: 'clubId', as: 'club' });
+Club.hasMany(CalendarEvent, { foreignKey: 'clubId', as: 'calendarEvents' });
+CalendarEvent.belongsTo(Club, { foreignKey: 'clubId', as: 'club' });
 
 // Billing
 Club.hasMany(BillingTemplate, { foreignKey: 'clubId', as: 'billingTemplates' });
@@ -488,6 +491,7 @@ export {
     ClubDisabledPresetGroup,
     TrainingTime,
     TrainingCancellation,
+    CalendarEvent,
     BillingTemplate,
     BillingTemplateField,
     BillingRun,