Create Event in Google Calendar API

 
import os
import json
import requests
from fastapi import FastAPI, HTTPException, Request, Depends, status
from fastapi.responses import JSONResponse, RedirectResponse
from google.oauth2.credentials import Credentials
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request as GoogleRequest
from googleapiclient.discovery import build
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
from fastapi.middleware.cors import CORSMiddleware
from starlette.responses import Response

app = FastAPI()
app.credentials = None

CLIENT_ID = os.environ["CLIENT_ID"]
CLIENT_SECRET = os.environ["CLIENT_SECRET"]
REDIRECT_URI = os.environ["REDIRECT_URI"]
SCOPE = "https://www.googleapis.com/auth/calendar"

#event data format can be found here https://developers.google.com/calendar/api/guides/create-events
@app.post("/create_event")

About this template

This is a FastAPI application that interacts with the Google Calendar API to create events. It requires three environment secrets: CLIENT_ID, CLIENT_SECRET, and REDIRECT_URI. The application has three main endpoints: POST /create_event: This endpoint accepts a dictionary representing an event and attempts to create this event on the primary calendar of the authenticated user. GET /oauth2callback: This endpoint handles the OAuth2 callback from Google. If no code is provided, it redirects the user to the Google authorization page. If a code is provided, it exchanges the code for an access token and stores the token. GET /clear_credentials: This endpoint clears the stored credentials. Please note that the application must be authenticated with Google before events can be created. This is done by accessing the /oauth2callback endpoint and following the Google authorization process.

Introduction to the Create Event in Google Calendar API Template

Welcome to the step-by-step guide on how to use the Create Event in Google Calendar API template on Lazy. This template is designed to help you build an application that can interact with the Google Calendar API to create events. It's perfect for those who want to integrate calendar functionality into their software without delving into the complexities of API integration.

Getting Started

To begin using this template, simply click on "Start with this Template" in the Lazy builder interface. This will pre-populate the code in the Lazy Builder, so you won't need to copy or paste any code manually.

Initial Setup: Adding Environment Secrets

Before you can test and use the application, you need to set up the following environment secrets within the Lazy Builder:

  • CLIENT_ID: The client ID provided by Google when you register your application.
  • CLIENT_SECRET: The client secret provided by Google after registering your application.
  • REDIRECT_URI: The redirect URI set in your Google project that Google will use to send the authorization code.

To obtain these values, follow these steps:

  • Go to the Google Developers Console.
  • Create a new project or select an existing one.
  • Go to "Credentials" and create credentials for an OAuth 2.0 client ID.
  • Set the application type to "Web application" and add the redirect URI that matches the one you will use in the Lazy application.
  • Once created, you will be provided with a client ID and client secret.

Enter these values into the Environment Secrets tab within the Lazy Builder.

Test: Pressing the Test Button

After setting up the environment secrets, press the "Test" button. This will deploy the app and launch the Lazy CLI. If the application requires any user input, you will be prompted to provide it through the Lazy CLI.

Using the App

Once the app is deployed, you will be provided with a dedicated server link to use the API. Additionally, since this template uses FastAPI, you will also receive a link to the API documentation. This documentation will guide you on how to interact with the API endpoints, such as creating an event or authenticating with Google.

Integrating the App

After successfully deploying the app and testing its functionality, you may want to integrate it with other software or services. Here are the steps you might follow:

  • Use the server link provided by Lazy to make API requests from your frontend or other services.
  • Ensure that you handle the OAuth2 flow correctly by redirecting users to the provided authentication URI and handling the callback with the authorization code.
  • Once authenticated, use the `/create_event` endpoint to create events in the user's Google Calendar.

Remember, the template handles the backend logic, so you can focus on integrating the API into your service or frontend as needed.

By following these steps, you should be able to successfully set up and integrate the Create Event in Google Calendar API template into your application using Lazy. Happy building!

Category
Technology
Last published
July 20, 2024

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Create Event in Google Calendar API