Get latest posts from server

lib/helpers/posts_helper.dart

@@ -0,0 +1,82 @@
+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/posts_list.dart';
+import 'package:comunic/models/api_request.dart';
+import 'package:comunic/models/post.dart';
+
+/// Posts helper
+///
+/// @author Pierre HUBERT
+
+const _APIPostsVisibilityLevelMap = {
+  "public": PostVisibilityLevel.PUBLIC,
+  "friends": PostVisibilityLevel.FRIENDS,
+  "private": PostVisibilityLevel.USER,
+  "members": PostVisibilityLevel.GROUP_MEMBERS
+};
+
+const _APIPostsKindsMap = {
+  "text": PostKind.TEXT,
+  "image": PostKind.IMAGE,
+  "weblink": PostKind.WEB_LINK,
+  "pdf": PostKind.PDF,
+  "movie": PostKind.MOVIE,
+  "countdown": PostKind.COUNTDOWN,
+  "survey": PostKind.SURVEY,
+  "youtube": PostKind.YOUTUBE
+};
+
+const _APIUserAccessMap = {
+  "no-access": UserAccessLevels.NONE,
+  "basic": UserAccessLevels.BASIC,
+  "intermediate": UserAccessLevels.INTERMEDIATE,
+  "full": UserAccessLevels.FULL
+};
+
+class PostsHelper {
+  /// Get the list of latest posts. Return the list of posts or null in case of
+  /// failure
+  Future<PostsList> getLatest() async {
+    final response = await APIRequest(
+      uri: "posts/get_latest",
+      needLogin: true,
+    ).exec();
+
+    if (response.code != 200) return null;
+
+    try {
+      // Parse & return the list of posts
+      return PostsList()..addAll(response.getArray().map((f) => _apiToPost(f)));
+    } catch (e) {
+      print(e.toString());
+      return null;
+    }
+  }
+
+  /// Turn an API entry into a [Post] object
+  Post _apiToPost(Map<String, dynamic> map) {
+    return Post(
+      id: map["ID"],
+      userID: map["userID"],
+      userPageID: map["user_page_id"],
+      groupID: map["group_id"],
+      timeSent: map["post_time"],
+      content: map["content"],
+      visibilityLevel: _APIPostsVisibilityLevelMap[map["visibility_level"]],
+      kind: _APIPostsKindsMap[map["kind"]],
+      fileSize: map["file_size"],
+      fileType: map["file_type"],
+      filePath: map["file_path"],
+      fileURL: map["file_path_url"],
+      timeEnd: map["time_end"],
+      linkURL: map["link_url"],
+      linkTitle: map["link_title"],
+      linkDescription: map["link_description"],
+      linkImage: map["link_image"],
+      likes: map["likes"],
+      userLikes: map["userlike"],
+      access: _APIUserAccessMap[map["user_access"]],
+    );
+  }
+}

lib/helpers/users_helper.dart

@@ -51,6 +51,12 @@ class UsersHelper {
     return list;
   }
 
+  /// Get users information from a given [Set]
+  Future<UsersList> getList(Set<int> users,
+      {bool forceDownload = false}) async {
+    return await getUsersInfo(users.toList());
+  }
+
   /// Get users information
   ///
   /// If [forceDownload] is set to true, the data will always be retrieved from