Steps for Uploading Document in GDrive using PHP

Steps for Uploading Document in GDrive using PHP

     a) Create New project in your google account (https://console.developers.google.com)

     b) Generate the API key, Client Id, Client Secret key and set the redirect URL.

      c) Enable the following API

           i) Google+ API

           ii ) Google Drive API

     d) Set the Key value in the variables

$client_id="317376393022-bd7……………………….";

   $client_secret="CygAQWlG0_……………………..";

   $url="Redirect URI";

      e) Include the API Files for Uploading

   include_once APPPATH . "libraries/google-api-php-client/src/Google_Client.php";

   include_once APPPATH . "libraries/google-api-php-client/src/contrib/Google_DriveService.php";

      f) Setting the Key values to the variable

   $client = new Google_Client();       // Create object for Google_client class

   $client->setClientId($client_id);

   $client->setClientSecret($client_secret);

   $client->setRedirectUri($url);

   $client->setScopes(array('https://www.googleapis.com/auth/drive'));

      g) Check whether the code Request variable available else call the authenticate function for the getting the access token

   if (isset($_GET['code'])) {

   echo  $_SESSION['accessToken'] = $client->authenticate($_GET['code']);

   header('location:'.$url);exit;

   } elseif (!isset($_SESSION['accessToken'])) {

   echo $client->authenticate();

   }

  

  

   $client->setAccessToken($_SESSION['accessToken']);   // Setting the acces tokent to client object

   $service = new Google_DriveService($client);    // Create Object for Driveservice

   $finfo = finfo_open(FILEINFO_MIME_TYPE);

   $file = new Google_DriveFile();                         // Create Object for Drive file

  

     

                  h) Setting the file value to Drivefile object ($file)

        $file_path = 'assets/test.xlsx';       // File Path

        $mime_type = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';          // Mime type

        $file->setTitle('sathiya file');

        $file->setDescription('This is a '.$mime_type.' document');

        $file->setMimeType($mime_type);

       i) Using the Driveservice object ($service) insert the file to gdrive

        $output=$service->files->insert(

            $file,                                                                 // Pass the file object as the parameter

            array(

                'data' => file_get_contents($file_path), // File path

                'mimeType' => $mime_type,                 // Mime Type

                'convert' => true,                                   // This key is set when we convert the file to some other object

            )

        );