refactor: restructure project into layered architecture

backend/api/admin

@@ -1,37 +0,0 @@
-from fastapi import FastAPI, Depends, HTTPException
-from sqlalchemy.orm import Session
-from fastapi.middleware.cors import CORSMiddleware
-
-import models
-import schemas
-import crud
-
-from database import SessionLocal, engine
-
-models.Base.metadata.create_all(bind=engine)
-
-app = FastAPI()
-
-# DELETE ITEM
-@app.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"}
-
-    # CREATE ITEM
-@app.post("/items", response_model=schemas.ItemResponse)
-def create_item(
-    item: schemas.ItemCreate,
-    db: Session = Depends(get_db)
-):
-    return crud.create_item(db, item.title)

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"
+    }

backend/api/user

@@ -1,38 +0,0 @@
-from fastapi import FastAPI, Depends, HTTPException
-from sqlalchemy.orm import Session
-from fastapi.middleware.cors import CORSMiddleware
-
-import models
-import schemas
-import crud
-
-from database import SessionLocal, engine
-
-models.Base.metadata.create_all(bind=engine)
-
-app = FastAPI()
-
-
-# SPIN
-@app.post("/spin")
-def spin(db: Session = Depends(get_db)):
-
-    winner = crud.spin_wheel(db)
-
-    if not winner:
-        raise HTTPException(
-            status_code=400,
-            detail="No items available"
-        )
-
-    return {
-        "winner": {
-            "id": winner.id,
-            "title": winner.title
-        }
-    }
-
-   # GET ITEMS
-@app.get("/items", response_model=list[schemas.ItemResponse])
-def get_items(db: Session = Depends(get_db)):
-    return crud.get_items(db) 

backend/api/user.py

@@ -0,0 +1,59 @@
+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()
+
+
+# GET ITEMS
+@router.get(
+    "/items",
+    response_model=list[schemas.ItemResponse]
+)
+def get_items(
+    db: Session = Depends(get_db)
+):
+
+    return crud.get_items(db)
+
+
+# SPIN
+@router.post("/spin")
+def spin(
+    db: Session = Depends(get_db)
+):
+
+    winner = crud.spin_wheel(db)
+
+    if not winner:
+
+        raise HTTPException(
+            status_code=400,
+            detail="No items available"
+        )
+
+    return {
+        "winner": {
+            "id": winner.id,
+            "title": winner.title
+        }
+    }