add all project files
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Julien Aldon
226
back/main.py
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226
back/main.py
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from fastapi import Depends, FastAPI, HTTPException, Response
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from fastapi.responses import JSONResponse
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
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from fastapi.middleware.cors import CORSMiddleware
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import json
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from typing import Optional
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from crud import get_books, remove_book, edit_book, add_book, get_films, remove_film, edit_film, add_film, get_field_values, get_user
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from pydantic import BaseModel
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from passlib.context import CryptContext
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from secret import SECRET_KEY, ALGORITHM, ACCESS_TOKEN_EXPIRE_MINUTES, origins
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from datetime import datetime, timedelta
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from jose import JWTError, jwt
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class TokenData(BaseModel):
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username: Optional[str] = None
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class Token(BaseModel):
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access_token: str
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token_type: str
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class Book(BaseModel):
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title: str
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author: str
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type: str
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editor: str
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class Film(BaseModel):
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title: str
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actors: str
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director: str
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type: str
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producer: str
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length: int
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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allow_origins=origins,
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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expose_headers=['x-nbpage']
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)
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def verify_password(plain_password, hashed_password):
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password):
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return pwd_context.hash(password)
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def authenticate_user(name, password):
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user = get_user(name)
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if len(user) == 0:
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return False
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if verify_password(password, user[0]['password']):
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return True
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return False
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async def get_current_user(token: str = Depends(oauth2_scheme)):
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try:
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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username: str = payload.get("sub")
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if username is None:
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raise HTTPException(
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status_code=401,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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token_data = TokenData(username=username)
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except JWTError:
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raise HTTPException(
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status_code=401,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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return {'username': username}
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=15)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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@app.post("/api/token", response_model=Token)
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async def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends()):
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user = authenticate_user(form_data.username, form_data.password)
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username = form_data.username
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if not user:
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raise HTTPException(
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status_code=401,
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detail="Incorrect username or password",
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headers={"WWW-Authenticate": "Bearer"},
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)
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access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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access_token = create_access_token(
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data={"sub": username}, expires_delta=access_token_expires
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)
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return JSONResponse(content={"access_token": access_token, "token_type": "bearer"})
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@app.post('/api/books')
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async def createBook(book: Book, current_user: dict = Depends(get_current_user)):
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if not current_user:
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raise HTTPException(status_code=401, detail="User not allowed")
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res = add_book({
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'author': book.author,
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'title': book.title,
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'type': book.type,
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'editor': book.editor
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})
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if res == None:
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raise HTTPException(status_code=400, detail="Badly formated body")
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return res
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@app.get('/api/books')
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async def readBook(page: int = 0, limit: int = 50, sort: str = "", search: str = "", current_user: dict = Depends(get_current_user)):
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if not current_user:
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raise HTTPException(status_code=401, detail="User not allowed")
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res, nb = get_books(page, limit=limit, search=search)
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if res is False or not nb:
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raise HTTPException(status_code=400, detail="Badly formated")
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header = {'x-nbpage': str(int(nb[0]['count'] / limit))}
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content = {'result': [dict(r) for r in res]}
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return JSONResponse(content=content, headers=header)
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@app.put('/api/book/{id}')
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async def updateBook(id: str, book: Book, current_user: dict = Depends(get_current_user)):
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if not current_user:
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raise HTTPException(status_code=401, detail="User not allowed")
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res = edit_book(id, {
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'author': book.author,
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'title': book.title,
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'type': book.type,
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'editor': book.editor
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})
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if res == None:
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raise HTTPException(status_code=400, detail="Badly formated body")
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return res
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@app.delete('/api/book/{id}')
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async def deleteBook(id: str, current_user: dict = Depends(get_current_user)):
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if not current_user:
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raise HTTPException(status_code=401, detail="User not allowed")
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res = remove_book(id)
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_, nb = get_books(0)
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header = {'x-nbpage': str(int(nb[0]['count'] / 50))}
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if res == None:
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raise HTTPException(status_code=400, detail="Badly formated body")
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return JSONResponse(content=res, headers=header)
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@app.post('/api/films')
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async def createFilm(current_user: dict = Depends(get_current_user)):
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if not current_user:
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raise HTTPException(status_code=401, detail="User not allowed")
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res = add_film({
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'title': film.title,
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'director': film.director,
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'producer': film.producer,
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'actors': film.actors,
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'length': film.length,
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'type': film.type
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})
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if res == None:
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raise HTTPException(status_code=400, detail="Badly formated body")
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return res
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@app.get('/api/films')
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async def readFilm(page: int = 0, limit: int = 50, current_user: dict = Depends(get_current_user)):
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if not current_user:
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raise HTTPException(status_code=401, detail="User not allowed")
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res = get_films(page, limit=limit)
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if res == None:
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raise HTTPException(status_code=400, detail="Badly formated body")
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return res
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@app.put('/api/film/{id}')
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async def updateFilm(id: str, film: Film, current_user: dict = Depends(get_current_user)):
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if not current_user:
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raise HTTPException(status_code=401, detail="User not allowed")
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res = edit_film(id, {
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'title': film.title,
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'director': film.director,
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'producer': film.producer,
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'actors': film.actors,
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'length': film.length,
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'type': film.type
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})
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if res == None:
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raise HTTPException(status_code=400, detail="Badly formated body")
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return res
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@app.delete('/api/film/{id}')
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async def deleteFilm(id: str, current_user: dict = Depends(get_current_user)):
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if not current_user:
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raise HTTPException(status_code=401, detail="User not allowed")
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res = remove_film(id)
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if res == None:
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raise HTTPException(status_code=400, detail="Badly formated body")
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return res
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@app.get('/api/books/{field}')
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async def getBookFields(field: str, current_user: dict = Depends(get_current_user)):
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if not current_user:
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raise HTTPException(status_code=401, detail="User not allowed")
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if field == "":
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raise HTTPException(status_code=400, detail="Badly formated body")
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res = get_field_values('Books', field)
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return res
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@app.get('/api/films/{field}')
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async def getFilmFields(field: str, current_user: dict = Depends(get_current_user)):
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if not current_user:
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raise HTTPException(status_code=401, detail="User not allowed")
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if field == "":
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raise HTTPException(status_code=400, detail="Badly formated body")
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res = get_field_values('Films', field)
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return res
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