Se implementan favoritos

4 files changed, 179 insertions, 51 deletions

diff --git a/lib/screens/chat_screen.dart b/lib/screens/chat_screen.dart
index bd0d5d7..61f3f9e 100644
--- a/lib/screens/chat_screen.dart
+++ b/lib/screens/chat_screen.dart
@@ -1,8 +1,10 @@
+import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
 import 'package:linkchat/firebase/auth.dart';
 import 'package:linkchat/firebase/database.dart';
 import 'package:linkchat/models/group.dart';
 
+import '../models/favorite.dart';
 import '../models/message.dart';
 import '../models/user.dart';
 import '../widgets/chat_bottom_sheet.dart';
@@ -75,16 +77,44 @@ class _ChatScreenState extends State<ChatScreen> {
             });
 
             List<Message> msgs = snapshot.data!;
+            User? user = _auth.currentUser;
             return ListView.builder(
               controller: _scroll,
               padding: const EdgeInsets.only(bottom: 80.0),
               itemCount: snapshot.data!.length,
-              itemBuilder: (context, index) => ChatBubble(
-                msgs[index],
-                alignment: msgs[index].sentBy == _auth.currentUser?.uid
-                    ? ChatBubbleAlignment.end
-                    : ChatBubbleAlignment.start,
-              ),
+              itemBuilder: (context, index) => StreamBuilder(
+                  stream: _db.hasFavoriteForMessage(
+                      _auth.currentUser!.uid, msgs[index].id),
+                  builder: (context, snapshot) {
+                    return ChatBubble(
+                      msgs[index],
+                      alignment: msgs[index].sentBy == user?.uid
+                          ? ChatBubbleAlignment.end
+                          : ChatBubbleAlignment.start,
+                      favorited: snapshot.hasData
+                          ? snapshot.data == true
+                          : (snapshot.hasError ? false : false),
+                      onFavorite: (String id, bool value) {
+                        if (value) {
+                          _db.saveFavorite(
+                              Favorite(
+                                groupId: group!.id!,
+                                messageId: msgs[index].id!,
+                                savedAt: DateTime.now(),
+                                messageText: msgs[index].messageText,
+                                linkTitle: msgs[index].linkTitle,
+                                linkDescription: msgs[index].linkDescription,
+                                linkPhotoURL: msgs[index].linkPhotoURL,
+                                sentAt: msgs[index].sentAt,
+                                sentBy: msgs[index].sentBy,
+                              ),
+                              user!.uid);
+                        } else {
+                          _db.removeFavorite(user!.uid, msgs[index].id);
+                        }
+                      },
+                    );
+                  }),
             );
           } else if (snapshot.hasError) {
             print('Error: ${snapshot.error}');
diff --git a/lib/screens/dashboard_screen.dart b/lib/screens/dashboard_screen.dart
index 88bd8e7..97a9de6 100644
--- a/lib/screens/dashboard_screen.dart
+++ b/lib/screens/dashboard_screen.dart
@@ -30,6 +30,14 @@ class _DashboardScreenState extends State<DashboardScreen> {
         slivers: [
           SliverAppBar.large(
             title: const Text('Inicio'),
+            actions: [
+              IconButton(
+                icon: const Icon(Icons.favorite_outline),
+                onPressed: () {
+                  Navigator.of(context).pushNamed('/favorites');
+                },
+              )
+            ],
           ),
           SliverFillRemaining(
             hasScrollBody: true,
diff --git a/lib/screens/favorites_screen.dart b/lib/screens/favorites_screen.dart
new file mode 100644
index 0000000..4d6f949
--- /dev/null
+++ b/lib/screens/favorites_screen.dart
@@ -0,0 +1,86 @@
+import 'package:flutter/material.dart';
+import 'package:linkchat/firebase/database.dart';
+import 'package:linkchat/widgets/chat_bubble.dart';
+
+import '../firebase/auth.dart';
+import '../models/favorite.dart';
+
+class FavoritesScreen extends StatefulWidget {
+  const FavoritesScreen({super.key});
+
+  @override
+  State<FavoritesScreen> createState() => _FavoritesScreenState();
+}
+
+class _FavoritesScreenState extends State<FavoritesScreen> {
+  final Auth _auth = Auth();
+  final Database _db = Database();
+  final TextEditingController _controller = TextEditingController();
+  List<Favorite> favorites = [];
+  List<Favorite> filteredFavorites = [];
+
+  @override
+  void initState() {
+    super.initState();
+    _db.getFavoritesByUserID(_auth.currentUser!.uid).first.then((f) {
+      setState(() {
+        favorites = f;
+        filteredFavorites = f;
+      });
+    }).onError((e, st) {
+      print(e);
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Favoritos'),
+        leading: IconButton(
+          icon: const Icon(Icons.arrow_back),
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+        ),
+      ),
+      body: Column(
+        children: [
+          Padding(
+            padding: const EdgeInsets.all(8.0),
+            child: TextField(
+              controller: _controller,
+              decoration: const InputDecoration(
+                border: OutlineInputBorder(),
+                labelText: 'Buscar',
+              ),
+              onChanged: (value) {
+                setState(() {
+                  if (value.isNotEmpty) {
+                    filteredFavorites = favorites
+                        .where((fav) =>
+                            fav.messageText.contains(value) == true ||
+                            fav.linkTitle?.contains(value) == true ||
+                            fav.linkDescription?.contains(value) == true)
+                        .toList();
+                  } else {
+                    filteredFavorites = favorites;
+                  }
+                });
+              },
+            ),
+          ),
+          Expanded(
+            child: ListView.builder(
+              itemCount: filteredFavorites.length,
+              itemBuilder: (context, index) {
+                Favorite fav = filteredFavorites[index];
+                return LinkPreview(fav.getMessage());
+              },
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/lib/screens/new_chat_screen.dart b/lib/screens/new_chat_screen.dart
index 7b7721f..bf7486f 100644
--- a/lib/screens/new_chat_screen.dart
+++ b/lib/screens/new_chat_screen.dart
@@ -44,53 +44,57 @@ class _NewChatScreenState extends State<NewChatScreen> {
       ),
       body: Column(
         children: [
-          TextField(
-            controller: _controller,
-            decoration: const InputDecoration(
-              border: OutlineInputBorder(),
-              labelText: 'Nombre del contacto',
+          Padding(
+            padding: const EdgeInsets.all(8.0),
+            child: TextField(
+              controller: _controller,
+              decoration: const InputDecoration(
+                border: OutlineInputBorder(),
+                labelText: 'Nombre del contacto',
+              ),
+              onChanged: (value) {
+                setState(() {
+                  if (value.isNotEmpty) {
+                    filteredUsers = users
+                        .where((user) => user.displayName.contains(value))
+                        .toList();
+                  } else {
+                    filteredUsers = users;
+                  }
+                });
+              },
             ),
-            onChanged: (value) {
-              setState(() {
-                if (value.isNotEmpty) {
-                  filteredUsers = users
-                      .where((user) => user.displayName.contains(value))
-                      .toList();
-                } else {
-                  filteredUsers = users;
-                }
-              });
-            },
           ),
-          ListView.builder(
-            shrinkWrap: true,
-            itemCount: filteredUsers.length,
-            itemBuilder: (context, index) {
-              FsUser user = filteredUsers[index];
-              return ListTile(
-                leading: CircleAvatar(
-                  backgroundImage: NetworkImage(user.photoUrl),
-                ),
-                title: Text(user.displayName),
-                trailing: IconButton(
-                  icon: const Icon(Icons.send),
-                  onPressed: () {
-                    _db
-                        .saveGroup(Group(
-                      createdBy: _auth.currentUser!.uid,
-                      createdAt: DateTime.now(),
-                      members: [
-                        _auth.currentUser!.uid,
-                        user.uid,
-                      ],
-                    ))
-                        .whenComplete(() {
-                      Navigator.of(context).pop();
-                    });
-                  },
-                ),
-              );
-            },
+          Expanded(
+            child: ListView.builder(
+              itemCount: filteredUsers.length,
+              itemBuilder: (context, index) {
+                FsUser user = filteredUsers[index];
+                return ListTile(
+                  leading: CircleAvatar(
+                    backgroundImage: NetworkImage(user.photoUrl),
+                  ),
+                  title: Text(user.displayName),
+                  trailing: IconButton(
+                    icon: const Icon(Icons.send),
+                    onPressed: () {
+                      _db
+                          .saveGroup(Group(
+                        createdBy: _auth.currentUser!.uid,
+                        createdAt: DateTime.now(),
+                        members: [
+                          _auth.currentUser!.uid,
+                          user.uid,
+                        ],
+                      ))
+                          .whenComplete(() {
+                        Navigator.of(context).pop();
+                      });
+                    },
+                  ),
+                );
+              },
+            ),
           ),
         ],
       ),