feat: Introduce memberIds for efficient group querying and management, updating related UI components and .gitignore.
This commit is contained in:
@@ -1,10 +1,12 @@
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:firebase_auth/firebase_auth.dart';
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import 'package:travel_mate/services/error_service.dart';
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import '../models/group.dart';
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import '../models/group_member.dart';
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class GroupRepository {
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final FirebaseFirestore _firestore = FirebaseFirestore.instance;
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final FirebaseAuth _auth = FirebaseAuth.instance;
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final _errorService = ErrorService();
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CollectionReference get _groupsCollection => _firestore.collection('groups');
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@@ -20,8 +22,10 @@ class GroupRepository {
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try {
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return await _firestore.runTransaction<String>((transaction) async {
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final groupRef = _groupsCollection.doc();
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final groupData = group.toMap();
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// Ajouter les IDs des membres à la liste memberIds
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final memberIds = members.map((m) => m.userId).toList();
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final groupData = group.copyWith(memberIds: memberIds).toMap();
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transaction.set(groupRef, groupData);
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for (var member in members) {
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@@ -36,52 +40,15 @@ class GroupRepository {
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}
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}
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Stream<List<Group>> getGroupsByUserId(String userId) {
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Stream<List<Group>> getGroupsByUserId(String userId) {
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return _groupsCollection
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.where('memberIds', arrayContains: userId)
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.snapshots()
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.asyncMap((snapshot) async {
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List<Group> userGroups = [];
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for (var groupDoc in snapshot.docs) {
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try {
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final groupId = groupDoc.id;
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// Vérifier si l'utilisateur est membre
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final memberDoc = await groupDoc.reference
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.collection('members')
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.doc(userId)
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.get();
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if (memberDoc.exists) {
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final groupData = groupDoc.data() as Map<String, dynamic>;
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final group = Group.fromMap(groupData, groupId);
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final members = await getGroupMembers(groupId);
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userGroups.add(group.copyWith(members: members));
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} else {
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_errorService.logInfo('group_repository.dart','Utilisateur NON membre de $groupId');
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}
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} catch (e, stackTrace) {
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_errorService.logError(e.toString(), stackTrace);
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}
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}
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return userGroups;
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})
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.distinct((prev, next) {
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// Comparer les listes pour éviter les doublons
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if (prev.length != next.length) {
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return false;
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}
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// Vérifier si les IDs sont identiques
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final prevIds = prev.map((g) => g.id).toSet();
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final nextIds = next.map((g) => g.id).toSet();
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final identical = prevIds.difference(nextIds).isEmpty &&
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nextIds.difference(prevIds).isEmpty;
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return identical;
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.map((snapshot) {
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return snapshot.docs.map((doc) {
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final groupData = doc.data() as Map<String, dynamic>;
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return Group.fromMap(groupData, doc.id);
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}).toList();
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})
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.handleError((error, stackTrace) {
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_errorService.logError(error, stackTrace);
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@@ -92,12 +59,12 @@ class GroupRepository {
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Future<Group?> getGroupById(String groupId) async {
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try {
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final doc = await _groupsCollection.doc(groupId).get();
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if (!doc.exists) return null;
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final group = Group.fromMap(doc.data() as Map<String, dynamic>, doc.id);
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final members = await getGroupMembers(groupId);
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return group.copyWith(members: members);
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} catch (e) {
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throw Exception('Erreur lors de la récupération du groupe: $e');
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@@ -106,34 +73,63 @@ class GroupRepository {
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Future<Group?> getGroupByTripId(String tripId) async {
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try {
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final querySnapshot = await _groupsCollection
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final userId = _auth.currentUser?.uid;
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if (userId == null) return null;
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// Tentative 1: Requête optimisée avec memberIds
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var querySnapshot = await _groupsCollection
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.where('tripId', isEqualTo: tripId)
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.where('memberIds', arrayContains: userId)
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.limit(1)
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.get();
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// Tentative 2: Fallback pour le créateur (si memberIds est manquant - anciennes données)
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if (querySnapshot.docs.isEmpty) {
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querySnapshot = await _groupsCollection
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.where('tripId', isEqualTo: tripId)
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.where('createdBy', isEqualTo: userId)
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.limit(1)
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.get();
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// Si on trouve le groupe via le fallback, on lance une migration
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if (querySnapshot.docs.isNotEmpty) {
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_migrateGroupData(querySnapshot.docs.first.id);
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}
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}
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if (querySnapshot.docs.isEmpty) return null;
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final doc = querySnapshot.docs.first;
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final group = Group.fromMap(doc.data() as Map<String, dynamic>, doc.id);
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final members = await getGroupMembers(doc.id);
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return group.copyWith(members: members);
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} catch (e) {
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throw Exception('Erreur lors de la récupération du groupe: $e');
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}
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}
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/// Méthode utilitaire pour migrer les anciennes données
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Future<void> _migrateGroupData(String groupId) async {
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try {
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final members = await getGroupMembers(groupId);
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final memberIds = members.map((m) => m.userId).toList();
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if (memberIds.isNotEmpty) {
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await _groupsCollection.doc(groupId).update({'memberIds': memberIds});
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print('Migration réussie pour le groupe $groupId');
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}
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} catch (e) {
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print('Erreur de migration pour le groupe $groupId: $e');
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}
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}
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Future<List<GroupMember>> getGroupMembers(String groupId) async {
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try {
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final snapshot = await _membersCollection(groupId).get();
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return snapshot.docs
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.map((doc) {
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return GroupMember.fromMap(
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doc.data() as Map<String, dynamic>,
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doc.id,
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);
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})
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.toList();
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final snapshot = await _membersCollection(groupId).get();
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return snapshot.docs.map((doc) {
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return GroupMember.fromMap(doc.data() as Map<String, dynamic>, doc.id);
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}).toList();
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} catch (e) {
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throw Exception('Erreur lors de la récupération des membres: $e');
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}
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@@ -141,10 +137,22 @@ class GroupRepository {
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Future<void> addMember(String groupId, GroupMember member) async {
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try {
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// 1. Récupérer le groupe pour avoir le tripId
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final group = await getGroupById(groupId);
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if (group == null) throw Exception('Groupe introuvable');
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// 2. Ajouter le membre dans la sous-collection members du groupe
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await _membersCollection(groupId).doc(member.userId).set(member.toMap());
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// 3. Mettre à jour la liste memberIds du groupe
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await _groupsCollection.doc(groupId).update({
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'updatedAt': DateTime.now().millisecondsSinceEpoch,
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'memberIds': FieldValue.arrayUnion([member.userId]),
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});
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// 4. Mettre à jour la liste participants du voyage
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await _firestore.collection('trips').doc(group.tripId).update({
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'participants': FieldValue.arrayUnion([member.userId]),
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});
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} catch (e) {
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throw Exception('Erreur lors de l\'ajout du membre: $e');
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@@ -153,10 +161,22 @@ class GroupRepository {
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Future<void> removeMember(String groupId, String userId) async {
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try {
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// 1. Récupérer le groupe pour avoir le tripId
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final group = await getGroupById(groupId);
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if (group == null) throw Exception('Groupe introuvable');
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// 2. Supprimer le membre de la sous-collection members du groupe
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await _membersCollection(groupId).doc(userId).delete();
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// 3. Mettre à jour la liste memberIds du groupe
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await _groupsCollection.doc(groupId).update({
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'updatedAt': DateTime.now().millisecondsSinceEpoch,
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'memberIds': FieldValue.arrayRemove([userId]),
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});
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// 4. Mettre à jour la liste participants du voyage
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await _firestore.collection('trips').doc(group.tripId).update({
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'participants': FieldValue.arrayRemove([userId]),
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});
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} catch (e) {
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throw Exception('Erreur lors de la suppression du membre: $e');
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@@ -165,8 +185,11 @@ class GroupRepository {
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Future<void> updateGroup(String groupId, Group group) async {
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try {
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await _groupsCollection.doc(groupId).update(
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group.toMap()..['updatedAt'] = DateTime.now().millisecondsSinceEpoch,
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await _groupsCollection
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.doc(groupId)
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.update(
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group.toMap()
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..['updatedAt'] = DateTime.now().millisecondsSinceEpoch,
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);
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} catch (e) {
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throw Exception('Erreur lors de la mise à jour du groupe: $e');
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@@ -174,38 +197,42 @@ class GroupRepository {
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}
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Future<void> deleteGroup(String tripId) async {
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try {
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final querySnapshot = await _groupsCollection
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.where('tripId', isEqualTo: tripId)
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.limit(1)
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.get();
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try {
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final userId = _auth.currentUser?.uid;
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if (userId == null) throw Exception('Utilisateur non connecté');
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if (querySnapshot.docs.isEmpty) {
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throw Exception('Aucun groupe trouvé pour ce voyage');
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final querySnapshot = await _groupsCollection
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.where('tripId', isEqualTo: tripId)
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.where('createdBy', isEqualTo: userId)
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.limit(1)
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.get();
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if (querySnapshot.docs.isEmpty) {
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throw Exception('Aucun groupe trouvé pour ce voyage');
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}
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final groupDoc = querySnapshot.docs.first;
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final groupId = groupDoc.id;
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final membersSnapshot = await _membersCollection(groupId).get();
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for (var doc in membersSnapshot.docs) {
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await doc.reference.delete();
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}
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await _groupsCollection.doc(groupId).delete();
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} catch (e) {
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throw Exception('Erreur lors de la suppression du groupe: $e');
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}
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final groupDoc = querySnapshot.docs.first;
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final groupId = groupDoc.id;
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final membersSnapshot = await _membersCollection(groupId).get();
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for (var doc in membersSnapshot.docs) {
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await doc.reference.delete();
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}
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await _groupsCollection.doc(groupId).delete();
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} catch (e) {
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throw Exception('Erreur lors de la suppression du groupe: $e');
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}
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}
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Stream<List<GroupMember>> watchGroupMembers(String groupId) {
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return _membersCollection(groupId).snapshots().map(
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(snapshot) => snapshot.docs
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.map((doc) => GroupMember.fromMap(
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doc.data() as Map<String, dynamic>,
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doc.id,
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))
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.toList(),
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);
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(snapshot) => snapshot.docs
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.map(
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(doc) =>
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GroupMember.fromMap(doc.data() as Map<String, dynamic>, doc.id),
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)
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.toList(),
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);
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}
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}
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}
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