refactor: restructure project into layered architecture

backend/api/admin.py

@@ -0,0 +1,64 @@
+from fastapi import APIRouter
+from fastapi import Depends
+from fastapi import HTTPException
+
+from sqlalchemy.orm import Session
+
+import schemas
+from services import crud
+
+from app.db.session import SessionLocal
+
+
+router = APIRouter()
+
+
+def get_db():
+
+    db = SessionLocal()
+
+    try:
+        yield db
+
+    finally:
+        db.close()
+
+
+# CREATE ITEM
+@router.post(
+    "/items",
+    response_model=schemas.ItemResponse
+)
+def create_item(
+    item: schemas.ItemCreate,
+    db: Session = Depends(get_db)
+):
+
+    return crud.create_item(
+        db,
+        item.title
+    )
+
+
+# DELETE ITEM
+@router.delete("/items/{item_id}")
+def delete_item(
+    item_id: int,
+    db: Session = Depends(get_db)
+):
+
+    item = crud.delete_item(
+        db,
+        item_id
+    )
+
+    if not item:
+
+        raise HTTPException(
+            status_code=404,
+            detail="Item not found"
+        )
+
+    return {
+        "message": "Item deleted"
+    }