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import uvicorn
from contextlib import asynccontextmanager
import sqlite3
from fastapi import FastAPI, HTTPException
from fastapi.responses import JSONResponse
from pydantic import BaseModel
@asynccontextmanager
async def lifespan(app: FastAPI):
print("startup event")
yield
print("shutdown event")
app = FastAPI(lifespan=lifespan)
DATABASE = 'workbook.db'
def get_db():
db = getattr(app.state, '_database', None)
if db is None:
db = app.state._database = sqlite3.connect(DATABASE)
return db
@app.get('/api/chapters')
def get_chapters():
db = get_db()
cursor = db.cursor()
cursor.execute("SELECT chapter, chapter_name FROM chapter")
chapters = cursor.fetchall()
chapter_list = [{"chapter_number": row[0], "chapter_name": row[1]} for row in chapters]
return JSONResponse(content=chapter_list)
class ChapterRequest(BaseModel):
chapter_number: int
@app.post('/api/chapter/questions')
def get_questions_by_chapter(request: ChapterRequest):
db = get_db()
cursor = db.cursor()
cursor.execute("SELECT question_id, question_text FROM questions WHERE chapter_number = ?", (request.chapter_number,))
questions = cursor.fetchall()
if not questions:
raise HTTPException(status_code=404, detail="Questions not found for the given chapter number")
question_list = [{"question_id": row[0], "question_text": row[1]} for row in questions]
return JSONResponse(content=question_list)
if __name__ == '__main__':
uvicorn.run(app, host="127.0.0.1", port=8000, log_level="debug") |