Base solide de la page calendar, commit avant refacto

em2rp/lib/providers/event_provider.dart

@@ -0,0 +1,105 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:flutter/material.dart';
+import '../models/event_model.dart';
+
+class EventProvider with ChangeNotifier {
+  final FirebaseFirestore _firestore = FirebaseFirestore.instance;
+  List<EventModel> _events = [];
+  bool _isLoading = false;
+
+  List<EventModel> get events => _events;
+  bool get isLoading => _isLoading;
+
+  // Récupérer les événements pour un utilisateur spécifique
+  Future<void> loadUserEvents(String userId) async {
+    _isLoading = true;
+    notifyListeners();
+
+    try {
+      print('Loading events for user: $userId');
+
+      // Récupérer uniquement les événements où l'utilisateur est dans la workforce
+      final eventsSnapshot = await _firestore
+          .collection('events')
+          .where('workforce', arrayContains: userId)
+          .get();
+
+      print('Found ${eventsSnapshot.docs.length} events for user');
+
+      _events = eventsSnapshot.docs.map((doc) {
+        print('Event data: ${doc.data()}');
+        return EventModel.fromMap(doc.data(), doc.id);
+      }).toList();
+
+      print('Parsed ${_events.length} events');
+
+      _isLoading = false;
+      notifyListeners();
+    } catch (e) {
+      print('Error loading events: $e');
+      _isLoading = false;
+      notifyListeners();
+      rethrow;
+    }
+  }
+
+  // Récupérer un événement spécifique
+  Future<EventModel?> getEvent(String eventId) async {
+    try {
+      final doc = await _firestore.collection('events').doc(eventId).get();
+      if (doc.exists) {
+        return EventModel.fromMap(doc.data()!, doc.id);
+      }
+      return null;
+    } catch (e) {
+      print('Error getting event: $e');
+      rethrow;
+    }
+  }
+
+  // Ajouter un nouvel événement
+  Future<void> addEvent(EventModel event) async {
+    try {
+      final docRef = await _firestore.collection('events').add(event.toMap());
+      final newEvent = EventModel.fromMap(event.toMap(), docRef.id);
+      _events.add(newEvent);
+      notifyListeners();
+    } catch (e) {
+      print('Error adding event: $e');
+      rethrow;
+    }
+  }
+
+  // Mettre à jour un événement
+  Future<void> updateEvent(EventModel event) async {
+    try {
+      await _firestore.collection('events').doc(event.id).update(event.toMap());
+      final index = _events.indexWhere((e) => e.id == event.id);
+      if (index != -1) {
+        _events[index] = event;
+        notifyListeners();
+      }
+    } catch (e) {
+      print('Error updating event: $e');
+      rethrow;
+    }
+  }
+
+  // Supprimer un événement
+  Future<void> deleteEvent(String eventId) async {
+    try {
+      await _firestore.collection('events').doc(eventId).delete();
+      _events.removeWhere((event) => event.id == eventId);
+      notifyListeners();
+    } catch (e) {
+      print('Error deleting event: $e');
+      rethrow;
+    }
+  }
+
+  // Vider la liste des événements
+  void clearEvents() {
+    _events = [];
+    notifyListeners();
+  }
+}