Ch:enable requesting user view if they follow a tag or not (#527)

* ch:enable requesting user view if they follow a tag or not

* ch: optimized function

* use  the check exists method

Author: khalifan-kfan

app/models/model_mixin.py

@@ -129,8 +129,8 @@ def check_exists(cls, **kwargs):
         result = cls.query.filter_by(**kwargs).count()
 
         if result > 0:
-            return False
-        return True
+            return True
+        return False
 
     @classmethod
     def get_by_id(cls, id):

app/models/tags.py

@@ -21,6 +21,7 @@ def __repr__(self):
         return f"<Tag {self.name}>"
 
 
+
 class ProjectTag(ModelMixin):
     __tablename__ = "project_tag"
 

app/schemas/project.py

@@ -6,7 +6,6 @@
 from app.models.project_users import ProjectFollowers
 
 
-
 class ProjectListSchema(Schema):
     id = fields.UUID(dump_only=True)
     name = fields.String()
@@ -69,7 +68,6 @@ class ProjectSchema(Schema):
     tags_remove = fields.List(fields.String, load_only=True)
 
     def get_is_following(self, obj):
-        # Assuming current_user is available in the view context
         current_user_id = get_jwt_identity()
         current_user = User.get_by_id(current_user_id)
         return obj.is_followed_by(current_user)
@@ -84,4 +82,4 @@ def get_prometheus_url(self, obj):
         return obj.cluster.prometheus_url
 
     def get_followers_count(self, obj):
-        return ProjectFollowers.count(project_id=obj.id)    
+        return ProjectFollowers.count(project_id=obj.id)

app/schemas/tags.py

@@ -1,22 +1,34 @@
 from app.schemas.project import ProjectIndexSchema
 from app.schemas.project_users import UserRoleSchema
 from marshmallow import Schema, fields
+from flask_jwt_extended import get_jwt_identity
+from app.models.user import User
+from app.models.tags import TagFollowers
+
+
 class TagListSchema(Schema):
     id = fields.UUID(dump_only=True)
     name = fields.String(required=True)
     is_super_tag = fields.Boolean()
 
+
 class TagSchema(Schema):
 
     id = fields.UUID(dump_only=True)
     name = fields.String(required=True)
     is_super_tag = fields.Boolean()
     date_created = fields.Date(dump_only=True)
     projects_count = fields.Method("get_projects_count", dump_only=True)
+    is_following = fields.Method("get_is_following", dump_only=True)
 
     def get_projects_count(self, obj):
         return len(obj.projects)
 
+    def get_is_following(self, obj):
+        current_user_id = get_jwt_identity()
+        tag_id = obj.id
+        return TagFollowers.check_exists(user_id=current_user_id, tag_id=tag_id)
+
 
 class TagsProjectsSchema(TagSchema):
     name = fields.Method("get_name", dump_only=True)