Display the list of comments

lib/helpers/comments_helper.dart

@@ -0,0 +1,21 @@
+import 'package:comunic/models/comment.dart';
+
+/// Comments helper
+///
+/// @author Pierre HUBERT
+
+class CommentsHelper {
+  /// Turn an API entry into a [Comment] object
+  static Comment apiToComment(Map<String, dynamic> entry) {
+    return Comment(
+      id: entry["ID"],
+      userID: entry["userID"],
+      postID: entry["postID"],
+      timeSent: entry["time_sent"],
+      content: entry["content"],
+      imageURL: entry["img_url"],
+      likes: entry["likes"],
+      userLike: entry["userlike"],
+    );
+  }
+}

lib/helpers/posts_helper.dart

@@ -1,6 +1,8 @@
 import 'package:comunic/enums/post_kind.dart';
 import 'package:comunic/enums/post_visibility_level.dart';
 import 'package:comunic/enums/user_access_levels.dart';
+import 'package:comunic/helpers/comments_helper.dart';
+import 'package:comunic/lists/comments_list.dart';
 import 'package:comunic/lists/posts_list.dart';
 import 'package:comunic/models/api_request.dart';
 import 'package:comunic/models/post.dart';
@@ -56,6 +58,14 @@ class PostsHelper {
 
   /// Turn an API entry into a [Post] object
   Post _apiToPost(Map<String, dynamic> map) {
+    // Parse comments
+    CommentsList comments;
+    if (map["comments"] != null) {
+      comments = CommentsList();
+      map["comments"]
+          .forEach((v) => comments.add(CommentsHelper.apiToComment(v)));
+    }
+
     return Post(
       id: map["ID"],
       userID: map["userID"],
@@ -77,6 +87,7 @@ class PostsHelper {
       likes: map["likes"],
       userLikes: map["userlike"],
       access: _APIUserAccessMap[map["user_access"]],
+      comments: comments,
     );
   }
 }

lib/lists/comments_list.dart

@@ -0,0 +1,26 @@
+import 'dart:collection';
+
+import 'package:comunic/models/comment.dart';
+
+/// Comments list
+///
+/// Contains the list of comments for a post
+///
+/// @author Pierre HUBERT
+
+class CommentsList extends ListBase<Comment> {
+  List<Comment> _list = List();
+
+  int get length => _list.length;
+
+  set length(int l) => _list.length = l;
+
+  @override
+  Comment operator [](int index) => _list[index];
+
+  @override
+  void operator []=(int index, Comment value) => _list[index] = value;
+
+  /// Get the list of users in this comments, as a set
+  Set<int> get usersID => map((f) => f.userID).toSet();
+}

lib/lists/posts_list.dart

@@ -31,6 +31,9 @@ class PostsList extends ListBase<Post> {
 
       if(p.userPageID != null && p.userPageID > 0)
         set.add(p.userPageID);
+
+      if(p.comments != null)
+        set.addAll(p.comments.usersID);
     });
 
     return set;

lib/models/comment.dart

@@ -0,0 +1,39 @@
+import 'package:meta/meta.dart';
+
+/// Comments
+///
+/// Contains information about a single comment
+///
+/// @author Pierre HUBERT
+
+class Comment {
+  final int id;
+  final int userID;
+  final int postID;
+  final int timeSent;
+  final String content;
+  final String imageURL;
+  final int likes;
+  final bool userLike;
+
+  Comment({
+    @required this.id,
+    @required this.userID,
+    @required this.postID,
+    @required this.timeSent,
+    @required this.content,
+    @required this.imageURL,
+    @required this.likes,
+    @required this.userLike,
+  })  : assert(id != null),
+        assert(userID != null),
+        assert(postID != null),
+        assert(timeSent != null),
+        assert(content != null),
+        assert(likes != null),
+        assert(userLike != null);
+
+  bool get hasContent => content != null && content.length > 0;
+
+  bool get hasImage => imageURL != null;
+}

lib/models/post.dart

@@ -1,6 +1,7 @@
 import 'package:comunic/enums/post_kind.dart';
 import 'package:comunic/enums/post_visibility_level.dart';
 import 'package:comunic/enums/user_access_levels.dart';
+import 'package:comunic/lists/comments_list.dart';
 import 'package:meta/meta.dart';
 
 /// Single post information
@@ -28,6 +29,7 @@ class Post {
   int likes;
   bool userLikes;
   final UserAccessLevels access;
+  final CommentsList comments;
 
   Post({
     @required this.id,
@@ -50,6 +52,7 @@ class Post {
     @required this.likes,
     @required this.userLikes,
     @required this.access,
+    @required this.comments
   })  : assert(id != null),
         assert(userID != null),
         assert(userPageID != 0 || groupID != 0),
@@ -63,4 +66,6 @@ class Post {
         assert(access != null);
 
   bool get hasContent => content != null;
+
+  bool get hasComments => comments != null;
 }

lib/ui/tiles/comment_tile.dart

@@ -0,0 +1,53 @@
+import 'package:comunic/models/comment.dart';
+import 'package:comunic/models/user.dart';
+import 'package:comunic/ui/widgets/account_image_widget.dart';
+import 'package:comunic/ui/widgets/network_image_widget.dart';
+import 'package:flutter/material.dart';
+
+/// Single comment tile
+///
+/// @author Pierre HUBERT
+
+class CommentTile extends StatelessWidget {
+  final Comment comment;
+  final User user;
+
+  const CommentTile({Key key, this.comment, this.user})
+      : assert(comment != null),
+        assert(user != null),
+        super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      leading: AccountImageWidget(
+        user: user,
+      ),
+      title: Text(user.displayName,),
+      subtitle: _buildCommentContent(),
+    );
+  }
+
+  Widget _buildCommentContent() {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.stretch,
+      children: <Widget>[
+        // Comment image
+        Container(
+          child: comment.hasImage
+              ? NetworkImageWidget(
+                  url: comment.imageURL,
+                  allowFullScreen: true,
+                  height: 100.0,
+                )
+              : null,
+        ),
+
+        // Comment text
+        Container(
+          child: comment.hasContent ? Text(comment.content,) : null,
+        ),
+      ],
+    );
+  }
+}

lib/ui/tiles/post_tile.dart

@@ -2,6 +2,7 @@ import 'package:comunic/enums/post_kind.dart';
 import 'package:comunic/lists/users_list.dart';
 import 'package:comunic/models/post.dart';
 import 'package:comunic/models/user.dart';
+import 'package:comunic/ui/tiles/comment_tile.dart';
 import 'package:comunic/ui/widgets/account_image_widget.dart';
 import 'package:comunic/ui/widgets/network_image_widget.dart';
 import 'package:comunic/utils/date_utils.dart';
@@ -124,10 +125,10 @@ class PostTile extends StatelessWidget {
   Widget build(BuildContext context) {
     return Card(
       elevation: 1.0,
-      child: Padding(
+      child: Column(
+        children: <Widget>[
+          Padding(
             padding: const EdgeInsets.all(8.0),
-
-        // Main post column
             child: Column(
               children: <Widget>[
                 _buildHeaderRow(),
@@ -136,6 +137,12 @@ class PostTile extends StatelessWidget {
               ],
             ),
           ),
+
+          Container(
+            child: post.hasComments ? _buildComments() : null,
+          ),
+        ],
+      ),
     );
   }
 
@@ -146,4 +153,27 @@ class PostTile extends StatelessWidget {
       roundedEdges: false,
     );
   }
+
+  /// Build the list of comments
+  Widget _buildComments() {
+    assert(post.hasComments);
+
+    final comments = List.generate(
+      post.comments.length,
+      (num) => CommentTile(
+            comment: post.comments[num],
+            user: usersInfo.getUser(post.comments[num].userID),
+          ),
+    );
+
+    return Container(
+      color: Colors.grey[300],
+      child: Padding(
+        padding: const EdgeInsets.only(top: 8.0, bottom: 8.0),
+        child: Column(
+          children: comments,
+        ),
+      ),
+    );
+  }
 }