profiles: online status and friend rework

profiles/serializers.py

@@ -11,19 +11,19 @@ class ProfileSerializer(serializers.ModelSerializer):
     username = serializers.ReadOnlyField(source='user.username')
     avatar = serializers.ImageField(required=False)
     online = serializers.SerializerMethodField()
+    is_friend = serializers.SerializerMethodField()
+    has_incoming_request = serializers.SerializerMethodField()
+    has_outgoing_request = serializers.SerializerMethodField()
 
     class Meta:
         model = ProfileModel
-        fields = ["username", "avatar", "id", 'online']
+        fields = ["username", "avatar", "id", 'online', 'is_friend',
+                  'has_outgoing_request', 'has_incoming_request']
 
     def get_online(self, obj: ProfileModel):
         from notice.consumers import notice_manager
 
-        user = None
-        request = self.context.get("request")
-        if request and hasattr(request, "user"):
-            user = request.user
-
+        user = self.context.get('user')
         if user is None or not user.is_authenticated:
             return None
 
@@ -32,6 +32,27 @@ class ProfileSerializer(serializers.ModelSerializer):
 
         return notice_manager.get_consumer_by_user(obj.user) is not None
 
+    def get_is_friend(self, obj: ProfileModel):
+        user = self.context.get('user')
+        if user is None or not user.is_authenticated or user.pk == obj.pk:
+            return False
+
+        return obj.is_friend(user.profilemodel)
+
+    def get_has_incoming_request(self, obj: ProfileModel):
+        user = self.context.get('user')
+        if user is None or not user.is_authenticated or user.pk == obj.pk:
+            return False
+
+        return obj.is_friend_requesting(user.profilemodel)
+
+    def get_has_outgoing_request(self, obj: ProfileModel):
+        user = self.context.get('user')
+        if user is None or not user.is_authenticated or user.pk == obj.pk:
+            return False
+
+        return obj.is_friend_requested_by(user.profilemodel)
+
     def validate_avatar(self, value):
         '''
         Check that the image is not too large