farm_calendar_events.module

<?php

/**
 * @file
 * Contains farm_calendar.module.
 */
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityTypeInterface;

/**
 * Implements hook_theme().
 */
function farm_calendar_events_theme() {
  return array(
    'farm_calendar_events_full_view' => array(
      'variables' => array('url' => NULL),
    ),
  );
}

/**
 * Implements hook_ENTITY_TYPE_insert().
 */


function farm_calendar_events_log_insert(EntityInterface $entity) {

	//log variables
	$name = $entity->label();
	$status = $entity->status->value;
	$notes = $entity->notes->value;
	$timestamp = $entity->timestamp->value;
	$cal = $entity->calendar_update->value;
	$uuid = $entity->uuid();
	$location = $entity->geometry->latlon;

	//remove dashes from farmOS UUID to make a valid Google event ID
	$eventid	= str_replace("-", "", $uuid);

	//settings variables
	$calendar_id = \Drupal::config('farm_calendar_events.settings')->get('calendar_id');


    // Google api client
	$google_api_client = \Drupal::entityTypeManager()->getStorage('google_api_client')->load(1);
	$googleService = \Drupal::service('google_api_client.client');
	$googleService->setGoogleApiClient($google_api_client);


	if ($cal == "0" || $cal == "1" || $cal == "2" || $cal == "3") {
		//check for expired token
		if ($googleService->googleClient->isAccessTokenExpired()) {
		// Refresh the access token using refresh token.
			try {
				$credentials = $googleService->getAccessTokenWithRefreshToken();
			}
			catch (Exception $e) {
			\Drupal::logger('farm_calendar')->error($e->getMessage());
			}
		} else{
		// Fetch Access Token
			try {
				$credentials = $googleService->googleClient->getAccessToken();
			}
			catch (Exception $e) {
				\Drupal::logger('farm_calendar')->error($e->getMessage());
			}
		}

		$access_token = $credentials['access_token'];
		$bearer = "Bearer $access_token";

		//Create httpClient.
		$client = \Drupal::httpClient();

	if (($cal == "0") || ($cal == "1" && $status =="pending") ||$cal == "2" && $status =="done" ){

		$dt = new DateTime("@$timestamp");
		$startdate = $dt->format('Y-m-d');
		$dt->modify('+1 day');
		$enddate = $dt->format('Y-m-d');

		if ($status == "done") {
			$colorId = 10;
			}
		if ($status == "pending") {
			$colorId = 6;
			}

		//JSON
		$json_data = json_encode(array(
			"end" => array("date" => $enddate),
			"start" => array("date" => $startdate),
			"description" => $notes,
			"summary" => $name,
			"id" => $eventid,
			"colorId" => $colorId,
			"location" => $location
		));

		try {
			//Sending POST Request with $json_data to external server
			$request = $client->post("https://www.googleapis.com/calendar/v3/calendars/$calendar_id/events",
				['body' => $json_data,
				'headers' =>
					['Authorization' => $bearer,],
					['Accept' => "application/json"],
					]);
			//Getting Response after JSON Decode.
			$response = json_decode($request->getBody());
			\Drupal::messenger()->addStatus(t("Log: $name sent to calendar"));
		}
		//Catch http exceptions and log errors
		catch (\Exception $e) {
			if (str_contains($e, '409')) {


						try {
							//Sending POST Request with $json_data to external server
							$request = $client->put("https://www.googleapis.com/calendar/v3/calendars/$calendar_id/events/$eventid",
								['body' => $json_data,
								'headers' =>
									['Authorization' => $bearer,],
									['Accept' => "application/json"],
									]);
							//Getting Response after JSON Decode.
							$response = json_decode($request->getBody());
							\Drupal::messenger()->addStatus(t("Log: $name sent to calendar"));
						}
						//Catch http exceptions and log errors
						catch (\Exception $e) {
							\Drupal::logger('farm_calendar')->error($e->getResponse()->getBody()->getContents());
							\Drupal::messenger()->addError(t("Log: $name failed to add calendar event"));
						}
				}
            else{
			\Drupal::logger('farm_calendar')->error($e->getResponse()->getBody()->getContents());
			\Drupal::messenger()->addError(t("Log: $name failed to add calendar event"));
			}
		}
	}


	if ($cal == "3"){
			try {
			//Sending delete Request  to external server
			$request = $client->delete("https://www.googleapis.com/calendar/v3/calendars/$calendar_id/events/$eventid",
								['headers' =>
									['Authorization' => $bearer,],
									['Accept' => "application/json"],
									]);
			//Getting Response after JSON Decode.
			$response = json_decode($request->getBody());
			\Drupal::messenger()->addStatus(t("Log: $name removed from calendar"));
		}
		//Catch http exceptions and log errors
		catch (\Exception $e) {

			\Drupal::logger('farm_calendar')->error($e->getResponse()->getBody()->getContents());
			\Drupal::messenger()->addError(t("No Log: $name found to remove from calendar"));
			}
		}

	}
}

/**
 * Implements hook_ENTITY_TYPE_update().
 */


function farm_calendar_events_log_update(EntityInterface $entity) {

	//log variables
	$name = $entity->label();
	$status = $entity->status->value;
	$notes = $entity->notes->value;
	$timestamp = $entity->timestamp->value;
	$cal = $entity->calendar_update->value;
	$uuid = $entity->uuid();
	$location = $entity->geometry->latlon;

	//remove dashes from farmOS UUID to make a valid Google event ID
	$eventid	= str_replace("-", "", $uuid);

	//settings variables
	$calendar_id = \Drupal::config('farm_calendar_events.settings')->get('calendar_id');


    // Google api client
	$google_api_client = \Drupal::entityTypeManager()->getStorage('google_api_client')->load(1);
	$googleService = \Drupal::service('google_api_client.client');
	$googleService->setGoogleApiClient($google_api_client);


	if ($cal == "0" || $cal == "1" || $cal == "2" || $cal == "3") {
		//check for expired token
		if ($googleService->googleClient->isAccessTokenExpired()) {
		// Refresh the access token using refresh token.
			try {
				$credentials = $googleService->getAccessTokenWithRefreshToken();
			}
			catch (Exception $e) {
			\Drupal::logger('farm_calendar')->error($e->getMessage());
			}
		} else{
		// Fetch Access Token
			try {
				$credentials = $googleService->googleClient->getAccessToken();
			}
			catch (Exception $e) {
				\Drupal::logger('farm_calendar')->error($e->getMessage());
			}
		}

		$access_token = $credentials['access_token'];
		$bearer = "Bearer $access_token";

		//Create httpClient.
		$client = \Drupal::httpClient();

	if (($cal == "0") || ($cal == "1" && $status =="pending") ||$cal == "2" && $status =="done" ){

		$dt = new DateTime("@$timestamp");
		$startdate = $dt->format('Y-m-d');
		$dt->modify('+1 day');
		$enddate = $dt->format('Y-m-d');

		if ($status == "done") {
			$colorId = 10;
			}
		if ($status == "pending") {
			$colorId = 6;
			}

		//JSON
		$json_data = json_encode(array(
			"end" => array("date" => $enddate),
			"start" => array("date" => $startdate),
			"description" => $notes,
			"summary" => $name,
			"id" => $eventid,
			"colorId" => $colorId,
			"location" => $location
		));

		try {
			//Sending POST Request with $json_data to external server
			$request = $client->post("https://www.googleapis.com/calendar/v3/calendars/$calendar_id/events",
				['body' => $json_data,
				'headers' =>
					['Authorization' => $bearer,],
					['Accept' => "application/json"],
					]);
			//Getting Response after JSON Decode.
			$response = json_decode($request->getBody());
			\Drupal::messenger()->addStatus(t("Log: $name sent to calendar"));
		}
		//Catch http exceptions and log errors
		catch (\Exception $e) {
			if (str_contains($e, '409')) {


						try {
							//Sending POST Request with $json_data to external server
							$request = $client->put("https://www.googleapis.com/calendar/v3/calendars/$calendar_id/events/$eventid",
								['body' => $json_data,
								'headers' =>
									['Authorization' => $bearer,],
									['Accept' => "application/json"],
									]);
							//Getting Response after JSON Decode.
							$response = json_decode($request->getBody());
							\Drupal::messenger()->addStatus(t("Log: $name sent to calendar"));
						}
						//Catch http exceptions and log errors
						catch (\Exception $e) {
							\Drupal::logger('farm_calendar')->error($e->getResponse()->getBody()->getContents());
							\Drupal::messenger()->addError(t("Log: $name failed to add calendar event"));
						}
				}
            else{
			\Drupal::logger('farm_calendar')->error($e->getResponse()->getBody()->getContents());
			\Drupal::messenger()->addError(t("Log: $name failed to add calendar event"));
			}
		}
	}


	if ($cal == "3"){
			try {
			//Sending delete Request  to external server
			$request = $client->delete("https://www.googleapis.com/calendar/v3/calendars/$calendar_id/events/$eventid",
								['headers' =>
									['Authorization' => $bearer,],
									['Accept' => "application/json"],
									]);
			//Getting Response after JSON Decode.
			$response = json_decode($request->getBody());
			\Drupal::messenger()->addStatus(t("Log: $name removed from calendar"));
		}
		//Catch http exceptions and log errors
		catch (\Exception $e) {

			\Drupal::logger('farm_calendar')->error($e->getResponse()->getBody()->getContents());
			\Drupal::messenger()->addError(t("No Log: $name found to remove from calendar"));
			}
		}

	}
}

/**
 * Implements hook_ENTITY_TYPE_delete().
 */

function farm_calendar_events_log_delete(EntityInterface $entity) {

	//log variables
	$name = $entity->label();
	$cal = $entity->calendar_update->value;
	$uuid = $entity->uuid();

	//remove dashes from farmOS UUID to make a valid Google event ID
	$eventid	= str_replace("-", "", $uuid);

	//settings variables
	$calendar_id = \Drupal::config('farm_calendar_events.settings')->get('calendar_id');


    // Google api client
	$google_api_client = \Drupal::entityTypeManager()->getStorage('google_api_client')->load(1);
	$googleService = \Drupal::service('google_api_client.client');
	$googleService->setGoogleApiClient($google_api_client);


		//check for expired token
		if ($googleService->googleClient->isAccessTokenExpired()) {
		// Refresh the access token using refresh token.
			try {
				$credentials = $googleService->getAccessTokenWithRefreshToken();
			}
			catch (Exception $e) {
			\Drupal::logger('farm_calendar')->error($e->getMessage());
			}
		} else{
		// Fetch Access Token
			try {
				$credentials = $googleService->googleClient->getAccessToken();
			}
			catch (Exception $e) {
				\Drupal::logger('farm_calendar')->error($e->getMessage());
			}
		}

		$access_token = $credentials['access_token'];
		$bearer = "Bearer $access_token";

		//Create httpClient.
		$client = \Drupal::httpClient();




		try {
			//Sending delete Request  to external server
			$request = $client->delete("https://www.googleapis.com/calendar/v3/calendars/$calendar_id/events/$eventid",
								['headers' =>
									['Authorization' => $bearer,],
									['Accept' => "application/json"],
									]);
			//Getting Response after JSON Decode.
			$response = json_decode($request->getBody());
			\Drupal::messenger()->addStatus(t("Log: $name removed from calendar"));
		}
		//Catch http exceptions and log errors
		catch (\Exception $e) {

			//\Drupal::logger('farm_calendar')->error($e->getResponse()->getBody()->getContents());
			\Drupal::messenger()->addStatus(t("No Log: $name found to remove from calendar"));
			}
		}





/**
 * Implements hook_farm_entity_bundle_field_info().
 */
function farm_calendar_events_farm_entity_bundle_field_info(EntityTypeInterface $entity_type) {
  $fields = [];

  // 'log' specifies the entity type to apply to.
  if ($entity_type->id() == 'log') {
    // Options for the new field. See Field options below.
    $options = [
      'type' => 'list_string',
      'label' => t('Update Calendar'),
      'description' => t('Send updates to calendar for this log.'),
      'allowed_values' => [
        0 => t('On Update'),
		1 => t('If Pending'),
		2 => t('If Done'),
		3 => t('Remove')
      ],
	 // 'default_value' => 0,
      'weight' => [
        'form' => 10,
        'view' => 10,
      ],
    ];
    //Define field
    $fields['calendar_update'] = \Drupal::service('farm_field.factory')->bundleFieldDefinition($options);
  }

  return $fields;
}