CRUD comments

orm/comment.py

@@ -25,8 +25,8 @@ class Comment(Base):
 	updatedBy = Column(ForeignKey("user.id"), nullable=True, comment="Last Editor")
 	deletedAt = Column(DateTime, nullable=True, comment="Deleted at")
 	deletedBy = Column(ForeignKey("user.id"), nullable=True, comment="Deleted by")
-	shout: int = Column(ForeignKey("shout.id"), nullable=True, comment="Shout ID")
+	shout: int = Column(ForeignKey("shout.id"), nullable=False, comment="Shout ID")
-	rating: int = Column(Integer, nullable=True, comment="Comment Rating")
+	replyTo: int = Column(ForeignKey("comment.id"), nullable=True, comment="comment ID")
 	ratings = relationship(CommentRating, foreign_keys=CommentRating.comment_id)
 	old_id: str = Column(String, nullable = True)
 	old_thread: str = Column(String, nullable = True)

resolvers/__init__.py

@@ -5,6 +5,7 @@ from resolvers.zine import create_shout, get_shout_by_slug, top_month, top_overa
 from resolvers.profile import get_user_by_slug, get_current_user
 from resolvers.topics import topic_subscribe, topic_unsubscribe, topics_by_author, \
     topics_by_community, topics_by_slugs
+from resolvers.comments import create_comment
 
 __all__ = [
     "login",

resolvers/comments.py

@@ -0,0 +1,57 @@
+from orm import Comment, CommentRating
+from orm.base import local_session
+from resolvers.base import mutation, query, subscription
+from auth.authenticate import login_required
+import asyncio
+from datetime import datetime
+
+@mutation.field("createComment")
+@login_required
+async def create_comment(_, info, body, shout, replyTo = None):
+	auth = info.context["request"].auth
+	user_id = auth.user_id
+
+	comment = Comment.create(
+		author = user_id,
+		body = body,
+		shout = shout,
+		replyTo = replyTo
+		)
+
+	return {"comment": comment}
+
+@mutation.field("updateComment")
+@login_required
+async def update_comment(_, info, id, body):
+	auth = info.context["request"].auth
+	user_id = auth.user_id
+
+	with local_session() as session:
+		comment = session.query(Comment).filter(Comment.id == id).first()
+		if not comment:
+			return {"error": "invalid comment id"}
+		if comment.author != user_id:
+			return {"error": "access denied"}
+		
+		comment.body = body
+		comment.updatedAt = datetime.now()
+		
+		session.commit()
+
+@mutation.field("deleteComment")
+@login_required
+async def delete_comment(_, info, id):
+	auth = info.context["request"].auth
+	user_id = auth.user_id
+
+	with local_session() as session:
+		comment = session.query(Comment).filter(Comment.id == id).first()
+		if not comment:
+			return {"error": "invalid comment id"}
+		if comment.author != user_id:
+			return {"error": "access denied"}
+
+		comment.deletedAt = datetime.now()
+		session.commit()
+
+	return {}

schema.graphql

@@ -46,6 +46,11 @@ type ShoutResult {
 	shout: Shout
 }
 
+type CommentResult {
+	error: String
+	comment: Comment
+}
+
 ################################### Mutation
 
 type Mutation {
@@ -79,6 +84,10 @@ type Mutation {
 	# topics
 	topicSubscribe(slug: String!): Result!
 	topicUnsubscribe(slug: String!): Result!
+	
+	createComment(body: String!, shout: Int!, replyTo: Int): CommentResult!
+	updateComment(id: Int!, body: String!): CommentResult!
+	deleteComment(id: Int!): Result!
 }
 
 ################################### Query
@@ -199,7 +208,7 @@ type Comment {
 	id: Int!
 	author: Int!
 	body: String!
-	replyTo: Int!
+	replyTo: Int
 	createdAt: DateTime!
 	updatedAt: DateTime
 	updatedBy: Int