From 1fe178c662036f953f0cf1c3a75386a2cef9e6b0 Mon Sep 17 00:00:00 2001
From: Emre <Emre.kartal@etu.uca.fr>
Date: Tue, 1 Aug 2023 16:46:35 +0200
Subject: [PATCH] add function AddOrDeleteFriend

---
 .../components/profile_list_component.dart    |  2 ++
 .../lib/model/mapper/PostMapper.dart          |  1 -
 .../justMUSIC/lib/services/UserService.dart   | 19 ++++++++++++++++++-
 .../lib/view_model/UserViewModel.dart         |  9 +++++++++
 4 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/Sources/justMUSIC/lib/components/profile_list_component.dart b/Sources/justMUSIC/lib/components/profile_list_component.dart
index 78bbf48..8b77a1c 100644
--- a/Sources/justMUSIC/lib/components/profile_list_component.dart
+++ b/Sources/justMUSIC/lib/components/profile_list_component.dart
@@ -74,6 +74,7 @@ class _ProfileListComponentState extends State<ProfileListComponent> {
                   child: InkWell(
                       splashColor: Colors.white.withOpacity(0.3),
                       onTap: () {
+                        MyApp.userViewModel.addOrDeleteFriend(widget.user.id);
                         setState(() {
                           clicked = !clicked;
                         });
@@ -93,6 +94,7 @@ class _ProfileListComponentState extends State<ProfileListComponent> {
                   child: InkWell(
                       splashColor: Colors.white.withOpacity(0.3),
                       onTap: () {
+                        MyApp.userViewModel.addOrDeleteFriend(widget.user.id);
                         setState(() {
                           clicked = !clicked;
                         });
diff --git a/Sources/justMUSIC/lib/model/mapper/PostMapper.dart b/Sources/justMUSIC/lib/model/mapper/PostMapper.dart
index 2d9b6e4..61ed7c4 100644
--- a/Sources/justMUSIC/lib/model/mapper/PostMapper.dart
+++ b/Sources/justMUSIC/lib/model/mapper/PostMapper.dart
@@ -2,7 +2,6 @@ import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:tuple/tuple.dart';
 
 import '../../main.dart';
-import '../Music.dart';
 import '../Post.dart';
 import '../User.dart';
 
diff --git a/Sources/justMUSIC/lib/services/UserService.dart b/Sources/justMUSIC/lib/services/UserService.dart
index 35de6eb..2e3c3e0 100644
--- a/Sources/justMUSIC/lib/services/UserService.dart
+++ b/Sources/justMUSIC/lib/services/UserService.dart
@@ -14,8 +14,25 @@ class UserService {
       String id = doc["unique_id"];
       return id != MyApp.userViewModel.userCurrent.uniquePseudo;
     }).toList();
-    print("cc34" + users.toString());
 
     return users;
   }
+
+  addOrDeleteFriend(String id) async {
+
+    var userRef = MyApp.db.collection("users").doc(MyApp.userViewModel.userCurrent.id);
+
+    if (MyApp.userViewModel.isFriend(id)) {
+      await MyApp.db.runTransaction((transaction) async {
+        transaction.update(userRef, {'followed': FieldValue.arrayRemove([id])});
+      });
+      MyApp.userViewModel.userCurrent.followed.remove(id);
+    } else {
+      await MyApp.db.runTransaction((transaction) async {
+        transaction.update(userRef, {'followed': FieldValue.arrayUnion([id])});
+      });
+      MyApp.userViewModel.userCurrent.followed.add(id);
+    }
+  }
+
 }
diff --git a/Sources/justMUSIC/lib/view_model/UserViewModel.dart b/Sources/justMUSIC/lib/view_model/UserViewModel.dart
index 5af8a14..f2a5344 100644
--- a/Sources/justMUSIC/lib/view_model/UserViewModel.dart
+++ b/Sources/justMUSIC/lib/view_model/UserViewModel.dart
@@ -78,6 +78,15 @@ class UserViewModel {
     }
   }
 
+  AddOrDeleteFriend(String id) async {
+    try {
+      await _userService.addOrDeleteFriend(id);
+    } catch(e) {
+      print(e);
+      rethrow;
+    }
+  }
+
   logout() {
     _authService.signOut();
   }