feat: comments RBAC + notification on new comment

app/api/routers/comments.py

@@ -1,4 +1,4 @@
-"""Comments router."""
+"""Comments router with RBAC and notifications."""
 from typing import List
 from fastapi import APIRouter, Depends, HTTPException, status
 from sqlalchemy.orm import Session
@@ -6,16 +6,47 @@ from sqlalchemy.orm import Session
 from app.core.config import get_db
 from app.models import models
 from app.schemas import schemas
+from app.api.deps import get_current_user_or_apikey
+from app.api.rbac import check_project_role
+from app.models.notification import Notification as NotificationModel
 
 router = APIRouter(tags=["Comments"])
 
 
+def _notify_if_needed(db, issue_id, user_ids, ntype, title):
+    """Helper to notify multiple users."""
+    issue = db.query(models.Issue).filter(models.Issue.id == issue_id).first()
+    if not issue:
+        return
+    for uid in set(user_ids):
+        if uid:
+            n = NotificationModel(user_id=uid, type=ntype, title=title, entity_type="issue", entity_id=issue_id)
+            db.add(n)
+    db.commit()
+
+
 @router.post("/comments", response_model=schemas.CommentResponse, status_code=status.HTTP_201_CREATED)
-def create_comment(comment: schemas.CommentCreate, db: Session = Depends(get_db)):
+def create_comment(comment: schemas.CommentCreate, db: Session = Depends(get_db), current_user: models.User = Depends(get_current_user_or_apikey)):
+    # Get project_id from issue first
+    issue = db.query(models.Issue).filter(models.Issue.id == comment.issue_id).first()
+    if not issue:
+        raise HTTPException(status_code=404, detail="Issue not found")
+    check_project_role(db, current_user.id, issue.project_id, min_role="viewer")
+    
     db_comment = models.Comment(**comment.model_dump())
     db.add(db_comment)
     db.commit()
     db.refresh(db_comment)
+    
+    # Notify reporter and assignee (but not the commenter themselves)
+    notify_users = []
+    if issue.reporter_id != current_user.id:
+        notify_users.append(issue.reporter_id)
+    if issue.assignee_id and issue.assignee_id != current_user.id:
+        notify_users.append(issue.assignee_id)
+    if notify_users:
+        _notify_if_needed(db, issue.id, notify_users, "comment_added", f"New comment on: {issue.title[:50]}")
+    
     return db_comment
 
 
@@ -37,10 +68,15 @@ def update_comment(comment_id: int, comment_update: schemas.CommentUpdate, db: S
 
 
 @router.delete("/comments/{comment_id}", status_code=status.HTTP_204_NO_CONTENT)
-def delete_comment(comment_id: int, db: Session = Depends(get_db)):
+def delete_comment(comment_id: int, db: Session = Depends(get_db), current_user: models.User = Depends(get_current_user_or_apikey)):
     comment = db.query(models.Comment).filter(models.Comment.id == comment_id).first()
     if not comment:
         raise HTTPException(status_code=404, detail="Comment not found")
+    # Get issue to check project role
+    issue = db.query(models.Issue).filter(models.Issue.id == comment.issue_id).first()
+    if not issue:
+        raise HTTPException(status_code=404, detail="Issue not found")
+    check_project_role(db, current_user.id, issue.project_id, min_role="dev")
     db.delete(comment)
     db.commit()
     return None