minor code and doc fix

doc/development.md

@@ -21,6 +21,13 @@ $ pre-commit install
 pre-commit installed at .git/hooks/pre-commit
 ```
 
+Make sure code in submodule is updated
+```
+git submodule update --init
+```
+
+then install requirements and pre-commit hook for `neodb-takahe` project (using a different venv is preferred)
+
 Run Test
 --------
 `python3 manage.py test` will run the tests

journal/models/common.py

@@ -152,8 +152,10 @@ class Piece(PolymorphicModel, UserOwnedObjectMixin):
             else 0
         )
 
-    def is_liked_by(self, user):
-        return self.latest_post and Takahe.post_liked_by(self.latest_post.pk, user)
+    def is_liked_by(self, identity):
+        return self.latest_post and Takahe.post_liked_by(
+            self.latest_post.pk, identity.pk
+        )
 
     @property
     def reply_count(self):

journal/templatetags/user_actions.py

@@ -34,12 +34,7 @@ def like_piece_action(context, piece):
 @register.simple_tag(takes_context=True)
 def liked_piece(context, piece):
     user = context["request"].user
-    return (
-        user
-        and user.is_authenticated
-        and piece.post_id
-        and Takahe.get_user_interaction(piece.post_id, user.identity.pk, "like")
-    )
+    return user and user.is_authenticated and piece.is_liked_by(user.identity)
 
 
 @register.simple_tag(takes_context=True)

takahe/utils.py

@@ -501,6 +501,8 @@ class Takahe:
 
     @staticmethod
     def get_user_interaction(post_pk: int, identity_pk: int, type: str):
+        if not post_pk or not identity_pk:
+            return None
         post = Post.objects.filter(pk=post_pk).first()
         if not post:
             logger.warning(f"Cannot find post {post_pk}")