Apply fix: accept project_code as identifier in project endpoints

app/api/routers/projects.py

@@ -15,6 +15,19 @@ from app.api.rbac import check_project_role, check_permission, ensure_can_edit_p
 router = APIRouter(prefix="/projects", tags=["Projects"])
 
 
+def _resolve_project(db: Session, identifier: str) -> models.Project:
+    """Resolve a project by numeric id or project_code string.
+    Raises 404 if not found."""
+    try:
+        pid = int(identifier)
+        project = db.query(models.Project).filter(models.Project.id == pid).first()
+    except (ValueError, TypeError):
+        project = db.query(models.Project).filter(models.Project.project_code == identifier).first()
+    if not project:
+        raise HTTPException(status_code=404, detail="Project not found")
+    return project
+
+
 def _validate_project_links(db, codes: list[str] | None, self_code: str | None = None) -> list[str] | None:
     if not codes:
         return None
@@ -196,10 +209,7 @@ def _find_project_by_id_or_code(db, identifier) -> models.Project | None:
 
 @router.get("/{project_id}", response_model=schemas.ProjectResponse)
 def get_project(project_id: str, db: Session = Depends(get_db)):
-    project = _find_project_by_id_or_code(db, project_id)
-    if not project:
-        raise HTTPException(status_code=404, detail="Project not found")
-    return project
+    return _resolve_project(db, project_id)
 
 
 @router.patch("/{project_id}", response_model=schemas.ProjectResponse)
@@ -209,9 +219,7 @@ def update_project(
     db: Session = Depends(get_db),
     current_user: models.User = Depends(get_current_user_or_apikey),
 ):
-    project = _find_project_by_id_or_code(db, project_id)
-    if not project:
-        raise HTTPException(status_code=404, detail="Project not found")
+    project = _resolve_project(db, project_id)
     ensure_can_edit_project(db, current_user.id, project)
     update_data = project_update.model_dump(exclude_unset=True)
     update_data.pop("name", None)
@@ -236,18 +244,16 @@ def delete_project(
     db: Session = Depends(get_db),
     current_user: models.User = Depends(get_current_user_or_apikey),
 ):
-    project = _find_project_by_id_or_code(db, project_id)
-    if not project:
-        raise HTTPException(status_code=404, detail="Project not found")
-    
+    project = _resolve_project(db, project_id)
     check_project_role(db, current_user.id, project.id, min_role="admin")
     
     project_code = project.project_code
+    project_id_val = project.id
     
     # Delete milestones and their tasks
     from app.models.milestone import Milestone
     from app.models.task import Task
-    milestones = db.query(Milestone).filter(Milestone.project_id == project.id).all()
+    milestones = db.query(Milestone).filter(Milestone.project_id == project_id_val).all()
     for ms in milestones:
         tasks = db.query(Task).filter(Task.milestone_id == ms.id).all()
         for task in tasks:
@@ -287,9 +293,7 @@ def add_project_member(
     db: Session = Depends(get_db),
     current_user: models.User = Depends(get_current_user_or_apikey),
 ):
-    project = _find_project_by_id_or_code(db, project_id)
-    if not project:
-        raise HTTPException(status_code=404, detail="Project not found")
+    project = _resolve_project(db, project_id)
     check_project_role(db, current_user.id, project.id, min_role="mgr")
     user = db.query(models.User).filter(models.User.id == member.user_id).first()
     if not user:
@@ -321,9 +325,7 @@ def add_project_member(
 
 @router.get("/{project_id}/members", response_model=List[schemas.ProjectMemberResponse])
 def list_project_members(project_id: str, db: Session = Depends(get_db)):
-    project = _find_project_by_id_or_code(db, project_id)
-    if not project:
-        raise HTTPException(status_code=404, detail="Project not found")
+    project = _resolve_project(db, project_id)
     members = db.query(models.ProjectMember).filter(models.ProjectMember.project_id == project.id).all()
     result = []
     for m in members:
@@ -351,9 +353,7 @@ def remove_project_member(
     db: Session = Depends(get_db),
     current_user: models.User = Depends(get_current_user_or_apikey),
 ):
-    project = _find_project_by_id_or_code(db, project_id)
-    if not project:
-        raise HTTPException(status_code=404, detail="Project not found")
+    project = _resolve_project(db, project_id)
     check_permission(db, current_user.id, project.id, "member.remove")
     member = db.query(models.ProjectMember).filter(
         models.ProjectMember.project_id == project.id, models.ProjectMember.user_id == user_id
@@ -386,9 +386,7 @@ from sqlalchemy import func as sqlfunc
 @router.get("/{project_id}/worklogs/summary")
 def project_worklog_summary(project_id: str, db: Session = Depends(get_db)):
     from app.models.task import Task as TaskModel
-    project = _find_project_by_id_or_code(db, project_id)
-    if not project:
-        raise HTTPException(status_code=404, detail="Project not found")
+    project = _resolve_project(db, project_id)
     resolved_project_id = project.id
     results = db.query(
         models.User.id, models.User.username,