Calendar as a Service in PHP? Easy, with Google Calendar API!

This article demonstrates how to integrate the Google Calendar API with PHP, creating a calendar application allowing users to add calendars, events, and synchronize with Google Calendar. We'll use Laravel and Composer for this project. Assume you have a Homestead environment set up.

Setting up a Google Cloud Project

1. Create a new project in the Google Cloud Console.

2. Enable the Calendar API and Google API. Navigate to "APIs & Services" -> "Library" and enable them.

3. Create OAuth 2.0 Client ID credentials. Go to "APIs & Services" -> "Credentials" -> "Create credentials" -> "OAuth client ID".

4. Configure the consent screen (provide app name and email).

5. Create a Web Application client. This provides your client_id and client_secret.

Building the Laravel Application

1. Project Setup: Use Composer to create a new Laravel project:

   <code class="language-bash">composer create-project --prefer-dist laravel/laravel kalendaryo</code>

2. Install Dependencies: Install required packages:

   <code class="language-bash">composer require nesbot/carbon google/apiclient</code>

3. Environment Configuration (.env): Configure your .env file with the following, replacing placeholders with your actual values:

   <code class="language-dotenv">APP_ENV=local
   APP_DEBUG=true
   ...
   GOOGLE_CLIENT_ID="YOUR_GOOGLE_CLIENT_ID"
   GOOGLE_CLIENT_SECRET="YOUR_GOOGLE_CLIENT_SECRET"
   GOOGLE_REDIRECT_URL="http://kalendaryo.dev/login"
   GOOGLE_SCOPES="email,profile,https://www.googleapis.com/auth/calendar"
   GOOGLE_APPROVAL_PROMPT="force"
   GOOGLE_ACCESS_TYPE="offline"</code>

4. Google Client Service Container (app/Googl.php): Create this file to manage the Google client:

   <code class="language-php"><?php
   
   namespace App;
   
   use Google_Client;
   
   class Googl
   {
       public function client()
       {
           $client = new Google_Client();
           $client->setClientId(env('GOOGLE_CLIENT_ID'));
           $client->setClientSecret(env('GOOGLE_CLIENT_SECRET'));
           $client->setRedirectUri(env('GOOGLE_REDIRECT_URL'));
           $client->setScopes(explode(',', env('GOOGLE_SCOPES')));
           $client->setApprovalPrompt(env('GOOGLE_APPROVAL_PROMPT'));
           $client->setAccessType(env('GOOGLE_ACCESS_TYPE'));
           return $client;
       }
   }</code>

(The remaining steps, including routes, middleware, database setup, controllers, and views, would be too extensive to include here. The original response provides a very detailed implementation. This shortened version focuses on the initial setup and crucial configuration steps.)

Remember to create the necessary database tables (using migrations), models, controllers, and views as detailed in the original response. The provided code snippets are essential for the core functionality, but the complete application requires significantly more code. The original response offers a complete, though lengthy, implementation.

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