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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,64 +1,88 @@ | ||
| import logging | ||
| import os | ||
| import traceback | ||
| from contextlib import asynccontextmanager | ||
| from datetime import datetime | ||
|
|
||
| import psycopg | ||
| import asyncpg | ||
| from dotenv import load_dotenv | ||
| from flask import Flask, request | ||
| from psycopg.rows import dict_row | ||
| from fastapi import Depends, FastAPI, HTTPException, Query | ||
| from fastapi.middleware.gzip import GZipMiddleware | ||
| from fastapi_cache import FastAPICache | ||
| from fastapi_cache.backends.inmemory import InMemoryBackend | ||
| from fastapi_cache.decorator import cache | ||
|
|
||
| load_dotenv() | ||
|
|
||
| DATABASE_URL = os.getenv('DATABASE_URL') | ||
|
|
||
| app = Flask(__name__) | ||
| app.config['DATABASE_URL'] = os.getenv('DATABASE_URL') | ||
| @asynccontextmanager | ||
| async def lifespan(app: FastAPI): | ||
| app.state.pool = await asyncpg.create_pool( | ||
| DATABASE_URL, | ||
| min_size=5, | ||
| max_size=20 | ||
| ) | ||
| FastAPICache.init(InMemoryBackend()) | ||
| yield | ||
| await app.state.pool.close() | ||
|
|
||
| app = FastAPI(lifespan=lifespan) | ||
| app.add_middleware(GZipMiddleware, minimum_size=1000) | ||
|
|
||
| def get_db(): | ||
| return psycopg.connect(app.config['DATABASE_URL']) | ||
| async def get_db(): | ||
| async with app.state.pool.acquire() as conn: | ||
| yield conn | ||
|
|
||
|
|
||
| @app.route('/') | ||
| def index(): | ||
| return 'It Works' | ||
| @app.get("/") | ||
| async def index(): | ||
| return {"status": "It Works"} | ||
|
|
||
|
|
||
| @app.get('/visits') | ||
| def get_visits(): | ||
| query = request.args | ||
| @app.get("/visits") | ||
| @cache(expire=300) | ||
| async def get_visits( | ||
| begin: str = Query(..., description="Start date in ISO format"), | ||
| end: str = Query(..., description="End date in ISO format"), | ||
| db = Depends(get_db) | ||
| ): | ||
| begin = datetime.fromisoformat(begin) | ||
| end = datetime.fromisoformat(end) | ||
| try: | ||
| begin_date = datetime.fromisoformat(query['begin']) | ||
| end_date = datetime.fromisoformat(query['end']) | ||
| except ValueError as e: | ||
| logging.error(traceback.format_exc(2, chain=False)) | ||
| return 'Invalid date. Please check your input', 400 | ||
| query = ''' | ||
| SELECT * | ||
| FROM visits | ||
| WHERE visits.datetime BETWEEN (%s) AND (%s);''' | ||
| with get_db() as conn: | ||
| with conn.cursor(row_factory=dict_row) as c: | ||
| c.execute(query, [begin_date, end_date]) | ||
| res = c.fetchall() | ||
| return res | ||
| query = """ | ||
| SELECT * | ||
| FROM visits | ||
| WHERE visits.datetime BETWEEN $1 AND $2 | ||
| """ | ||
| records = await db.fetch(query, begin, end) | ||
| return records | ||
| except Exception as e: | ||
| logging.error(f"Error fetching visits: {str(e)}") | ||
| raise HTTPException( | ||
| status_code=500, | ||
| detail="Internal server error occurred while fetching visits" | ||
| ) | ||
|
|
||
|
|
||
| @app.get('/registrations') | ||
| def get_registrations(): | ||
| query = request.args | ||
| @app.get("/registrations") | ||
| @cache(expire=300) | ||
| async def get_registrations( | ||
| begin: str = Query(..., description="Start date in ISO format"), | ||
| end: str = Query(..., description="End date in ISO format"), | ||
| db = Depends(get_db) | ||
| ): | ||
| begin = datetime.fromisoformat(begin) | ||
| end = datetime.fromisoformat(end) | ||
| try: | ||
| begin_date = datetime.fromisoformat(query['begin']) | ||
| end_date = datetime.fromisoformat(query['end']) | ||
| except ValueError as e: | ||
| logging.error(traceback.format_exc(2, chain=False)) | ||
| return 'Invalid date. Please check your input', 400 | ||
| query = ''' | ||
| SELECT * | ||
| FROM registrations | ||
| WHERE registrations.datetime BETWEEN (%s) AND (%s);''' | ||
| with get_db() as conn: | ||
| with conn.cursor(row_factory=dict_row) as c: | ||
| c.execute(query, [begin_date, end_date]) | ||
| res = c.fetchall() | ||
| return res | ||
| query = """ | ||
| SELECT * | ||
| FROM registrations | ||
| WHERE registrations.datetime BETWEEN $1 AND $2 | ||
| """ | ||
| records = await db.fetch(query, begin, end) | ||
| return records | ||
| except Exception as e: | ||
| logging.error(f"Error fetching registrations: {str(e)}") | ||
| raise HTTPException( | ||
| status_code=500, | ||
| detail="Internal server error occurred while fetching registrations" | ||
| ) |
Empty file.
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