Create user access denied route

lib/helpers/friends_helper.dart

@@ -2,6 +2,7 @@ import 'package:comunic/helpers/database/friends_database_helper.dart';
 import 'package:comunic/lists/friends_list.dart';
 import 'package:comunic/models/api_request.dart';
 import 'package:comunic/models/friend.dart';
+import 'package:comunic/models/friend_status.dart';
 import 'package:meta/meta.dart';
 
 /// Friends helper
@@ -65,7 +66,7 @@ class FriendsHelper {
           "accept": accept.toString()
         }).exec();
 
-    return response.code == 200;
+    return response.isOK;
   }
 
   /// Update following status for a friend
@@ -91,6 +92,28 @@ class FriendsHelper {
     return response.code == 200;
   }
 
+  /// Get friendship status. Throw an exception in case of failure
+  Future<FriendStatus> getFriendshipStatus(int userID) async {
+    final response = await APIRequest(
+      uri: "friends/getStatus",
+      needLogin: true,
+      args: {"friendID": userID.toString()},
+    ).exec();
+
+    if (response.code != 200)
+      throw Exception("Could not get friendship status!");
+
+    final obj = response.getObject();
+
+    return FriendStatus(
+      userID: userID,
+      areFriend: obj["are_friend"],
+      sentRequest: obj["sent_request"],
+      receivedRequest: obj["received_request"],
+      following: obj["following"],
+    );
+  }
+
   /// Get and return the list of friends of an other user
   ///
   /// Throws an Exception if could not get the list of friends
@@ -106,4 +129,24 @@ class FriendsHelper {
 
     return Set<int>.from(response.getArray());
   }
+
+  /// Send a friendship request to a specified user
+  Future<bool> sendRequest(int userID) async {
+    return (await APIRequest(
+      uri: "friends/sendRequest",
+      needLogin: true,
+      args: {"friendID": userID.toString()},
+    ).exec())
+        .isOK;
+  }
+
+  /// Cancel a friendship request
+  Future<bool> cancelRequest(int userID) async {
+    return (await APIRequest(
+      uri: "friends/removeRequest",
+      needLogin: true,
+      args: {"friendID": userID.toString()},
+    ).exec())
+        .isOK;
+  }
 }

lib/helpers/users_helper.dart

@@ -12,7 +12,11 @@ import 'package:comunic/models/user.dart';
 /// @author Pierre HUBERT
 
 /// Handle advanced information error
-enum GetUserAdvancedInformationErrorCause { NOT_FOUND, NETWORK_ERROR }
+enum GetUserAdvancedInformationErrorCause {
+  NOT_FOUND,
+  NETWORK_ERROR,
+  NOT_AUTHORIZED
+}
 
 class GetUserAdvancedUserError extends Error {
   final GetUserAdvancedInformationErrorCause cause;
@@ -76,6 +80,11 @@ class UsersHelper {
     return list;
   }
 
+  /// Get information about a single user. Throws in case of failure
+  Future<User> getSingleWithThrow(int user) async {
+    return (await getListWithThrow(Set<int>()..add(user)))[0];
+  }
+
   /// Get users information from a given [Set]
   Future<UsersList> getList(Set<int> users,
       {bool forceDownload = false}) async {
@@ -125,6 +134,9 @@ class UsersHelper {
       if (response.code == 404)
         cause = GetUserAdvancedInformationErrorCause.NOT_FOUND;
 
+      if (response.code == 401)
+        cause = GetUserAdvancedInformationErrorCause.NOT_AUTHORIZED;
+
       throw new GetUserAdvancedUserError(cause);
     }