124 lines
3.2 KiB
Python
124 lines
3.2 KiB
Python
"""
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©AngelaMos | 2026
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factory.py
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"""
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import logging
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from collections.abc import AsyncGenerator
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from contextlib import asynccontextmanager
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from fastapi import FastAPI
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from fastapi.responses import ORJSONResponse
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.middleware.gzip import GZipMiddleware
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from slowapi.errors import RateLimitExceeded
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from app.api.auth import limiter as auth_limiter
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from app.api.auth import router as auth_router
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from app.api.encryption import router as encryption_router
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from app.api.rooms import router as rooms_router
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from app.api.websocket import router as websocket_router
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from app.config import (
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APP_DESCRIPTION,
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APP_STATUS,
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APP_VERSION,
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GZIP_MINIMUM_SIZE,
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settings,
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)
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from app.core.exception_handlers import (
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rate_limit_exceeded_handler,
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register_exception_handlers,
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)
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from app.core.redis_manager import redis_manager
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from app.core.surreal_manager import surreal_db
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from app.models.Base import init_db
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from app.schemas.common import (
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HealthResponse,
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RootResponse,
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)
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logger = logging.getLogger(__name__)
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@asynccontextmanager
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async def lifespan(app: FastAPI) -> AsyncGenerator[None]:
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"""
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Application lifespan manager for startup and shutdown events
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"""
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logger.info("Starting %s in %s mode", settings.APP_NAME, settings.ENV)
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await init_db()
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logger.info("PostgreSQL database initialized")
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await redis_manager.connect()
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logger.info("Redis connected")
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await surreal_db.connect()
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logger.info("SurrealDB connected")
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yield
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logger.info("Shutting down application")
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await redis_manager.disconnect()
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await surreal_db.disconnect()
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def create_app() -> FastAPI:
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"""
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Create and configure the FastAPI application instance
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"""
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app = FastAPI(
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title = settings.APP_NAME,
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description = APP_DESCRIPTION,
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version = APP_VERSION,
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openapi_version = "3.1.0",
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docs_url = "/docs" if settings.is_development else None,
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redoc_url = "/redoc" if settings.is_development else None,
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default_response_class = ORJSONResponse,
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lifespan = lifespan,
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)
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app.state.limiter = auth_limiter
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app.add_exception_handler(RateLimitExceeded, rate_limit_exceeded_handler)
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app.add_middleware(
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CORSMiddleware,
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allow_origins = settings.CORS_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 = ["*"],
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)
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app.add_middleware(GZipMiddleware, minimum_size = GZIP_MINIMUM_SIZE)
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register_exception_handlers(app)
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@app.get("/", tags = ["root"])
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async def root() -> RootResponse:
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"""
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Root endpoint returning API status
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"""
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return RootResponse(
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app = settings.APP_NAME,
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version = APP_VERSION,
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status = APP_STATUS,
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environment = settings.ENV,
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)
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@app.get("/health", tags = ["health"])
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async def health() -> HealthResponse:
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"""
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Health check endpoint for monitoring
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"""
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return HealthResponse(status = "healthy")
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app.include_router(auth_router)
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app.include_router(rooms_router)
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app.include_router(encryption_router)
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app.include_router(websocket_router)
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return app
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