demo-backend/communication-service/app/main.py

# Library Imports
from fastapi import FastAPI, File, UploadFile, Form
from fastapi.middleware.cors import CORSMiddleware
from starlette.exceptions import HTTPException
from fastapi.exceptions import RequestValidationError
from typing import List

# User Imports
from app.utils.app_logger.exception_handlers import (
    request_validation_exception_handler,
    http_exception_handler,
    unhandled_exception_handler,
)
from .utils.app_logger.middleware import log_request_middleware
from .services.send_email import send_email as email_service


# initialize app
app = FastAPI()

# allow cors
origins = ["*"]

app.add_middleware(
    CORSMiddleware,
    allow_origins=origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# initialize logger
app.middleware("http")(log_request_middleware)
app.add_exception_handler(RequestValidationError,
                          request_validation_exception_handler)
app.add_exception_handler(HTTPException, http_exception_handler)
app.add_exception_handler(Exception, unhandled_exception_handler)


# initialize base routes


@app.get("/")
def base_route():
    return {"msg": "Welcome to communication service"}


@app.get("/communication/openapi.json", include_in_schema=False)
def custom_swagger_ui_html():
    return app.openapi()


@app.post("/send-email")
async def send_email(recipient_email: str = Form(...), template: str = Form(...), subject: str = Form(...), files: List[UploadFile] = File(...)):
    return await email_service(recipient_email, template, subject, files)