Refactor backend to SQLModel; reset schema; add Company OS endpoints

backend/app/api/work.py

@@ -0,0 +1,80 @@
+from __future__ import annotations
+
+from datetime import datetime
+
+from fastapi import APIRouter, Depends, HTTPException
+from sqlmodel import Session, select
+
+from app.api.utils import log_activity
+from app.db.session import get_session
+from app.models.work import Task, TaskComment
+from app.schemas.work import TaskCommentCreate, TaskCreate, TaskUpdate
+
+router = APIRouter(tags=["work"])
+
+
+@router.get("/tasks", response_model=list[Task])
+def list_tasks(project_id: int | None = None, session: Session = Depends(get_session)):
+    stmt = select(Task).order_by(Task.id.asc())
+    if project_id is not None:
+        stmt = stmt.where(Task.project_id == project_id)
+    return session.exec(stmt).all()
+
+
+@router.post("/tasks", response_model=Task)
+def create_task(payload: TaskCreate, session: Session = Depends(get_session)):
+    task = Task(**payload.model_dump())
+    task.updated_at = datetime.utcnow()
+    session.add(task)
+    session.commit()
+    session.refresh(task)
+    log_activity(session, actor_employee_id=task.created_by_employee_id, entity_type="task", entity_id=task.id, verb="created", payload={"project_id": task.project_id, "title": task.title})
+    session.commit()
+    return task
+
+
+@router.patch("/tasks/{task_id}", response_model=Task)
+def update_task(task_id: int, payload: TaskUpdate, session: Session = Depends(get_session)):
+    task = session.get(Task, task_id)
+    if not task:
+        raise HTTPException(status_code=404, detail="Task not found")
+
+    data = payload.model_dump(exclude_unset=True)
+    for k, v in data.items():
+        setattr(task, k, v)
+    task.updated_at = datetime.utcnow()
+
+    session.add(task)
+    session.commit()
+    session.refresh(task)
+    log_activity(session, actor_employee_id=None, entity_type="task", entity_id=task.id, verb="updated", payload=data)
+    session.commit()
+    return task
+
+
+@router.delete("/tasks/{task_id}")
+def delete_task(task_id: int, session: Session = Depends(get_session)):
+    task = session.get(Task, task_id)
+    if not task:
+        raise HTTPException(status_code=404, detail="Task not found")
+    session.delete(task)
+    session.commit()
+    log_activity(session, actor_employee_id=None, entity_type="task", entity_id=task_id, verb="deleted")
+    session.commit()
+    return {"ok": True}
+
+
+@router.get("/task-comments", response_model=list[TaskComment])
+def list_task_comments(task_id: int, session: Session = Depends(get_session)):
+    return session.exec(select(TaskComment).where(TaskComment.task_id == task_id).order_by(TaskComment.id.asc())).all()
+
+
+@router.post("/task-comments", response_model=TaskComment)
+def create_task_comment(payload: TaskCommentCreate, session: Session = Depends(get_session)):
+    c = TaskComment(**payload.model_dump())
+    session.add(c)
+    session.commit()
+    session.refresh(c)
+    log_activity(session, actor_employee_id=c.author_employee_id, entity_type="task", entity_id=c.task_id, verb="commented")
+    session.commit()
+    return c