Learndash hook.

mycred-learnash-hook

/**
 * Register Custom myCRED Hook
 * @since 1.0
 * @version 1.0
 */
add_filter( 'mycred_setup_hooks', 'mycred_register_learndash_hook' );
function mycred_register_learndash_hook( $installed ) {

	$installed['hook_learndash'] = array(
		'title'       => __( 'LearnDash' ),
		'description' => __( 'Awards %_plural% for LearnDash actions.' ),
		'callback'    => array( 'myCRED_Hook_Learndash' )
	);

	return $installed;

}

/**
 * Hook for LearnDash
 * @since 1.0
 * @version 1.0
 */
add_action( 'mycred_load_hooks', 'mycred_load_learndash_hook' );
function mycred_load_learndash_hook() {

	if ( class_exists( 'myCRED_Hook_Learndash' ) && ! class_exists( 'myCRED_Hook' ) ) return;

	class myCRED_Hook_Learndash extends myCRED_Hook {
 
		/**
		 * Construct
		 */
		function __construct( $hook_prefs, $type = 'mycred_default' ) {

			parent::__construct( array(
				'id'       => 'hook_learndash',
				'defaults' => array(
					'course_completed'    => array(
						'creds' => 0,
						'log'   => '%plural% for Completing a Course'
					),
					'lesson_completed'    => array(
						'creds' => 0,
						'log'   => '%plural% for Completing a Lesson'
					),
					'topic_completed'    => array(
						'creds' => 0,
						'log'   => '%plural% for Completing a Topic'
					),
					'quiz_completed' => array(
						'creds' => 0,
						'log'   => '%plural% for Completing a Quiz'
					)
				)
			), $hook_prefs, $type );

		}

		/**
		 * Run
		 * @since 1.0
		 * @version 1.1
		 */
		public function run() {

			// Course Completed
			if ( $this->prefs['course_completed']['creds'] != 0 )
				add_action( 'learndash_course_completed',    array( $this, 'course_completed' ), 5, 1 );

			// Lesson Completed
			if ( $this->prefs['lesson_completed']['creds'] != 0 )
				add_action( 'learndash_lesson_completed',    array( $this, 'lesson_completed' ), 5, 1 );

			// Topic Completed
			if ( $this->prefs['topic_completed']['creds'] != 0 )
				add_action( 'learndash_topic_completed',    array( $this, 'topic_completed' ), 5, 1 );

			// Quiz Completed
			if ( $this->prefs['quiz_completed']['creds'] != 0 )
				add_action( 'learndash_quiz_completed',    array( $this, 'quiz_completed' ), 5, 1 );

			add_filter( 'mycred_all_references',  array( $this, 'add_references' ) );

		}

		/**
		 * Course Completed
		 * @since 1.0
		 * @version 1.1
		 */
		public function course_completed( $data ) {	
		
			$course_id = $data['course']->ID;

			// Must be logged in
			if ( ! is_user_logged_in() ) return;

			$user_id = get_current_user_id();

			// Check if user is excluded
			if ( $this->core->exclude_user( $user_id ) ) return;

			// Make sure this is unique event
			if ( $this->core->has_entry( 'course_completed', $course_id, $user_id ) ) return;

			// Execute
			$this->core->add_creds(
				'course_completed',
				$user_id,
				$this->prefs['course_completed']['creds'],
				$this->prefs['course_completed']['log'],
				$course_id,
				array( 'ref_type' => 'post' ),
				$this->mycred_type
			);

		}

		/**
		 * Lesson Completed
		 * @since 1.0
		 * @version 1.1
		 */
		public function lesson_completed( $data ) {	

			$lesson_id = $data['lesson']->ID;

			// Must be logged in
			if ( ! is_user_logged_in() ) return;

			$user_id = get_current_user_id();

			// Check if user is excluded
			if ( $this->core->exclude_user( $user_id ) ) return;

			// Make sure this is unique event
			if ( $this->core->has_entry( 'lesson_completed', $lesson_id, $user_id ) ) return;

			// Execute
			$this->core->add_creds(
				'lesson_completed',
				$user_id,
				$this->prefs['lesson_completed']['creds'],
				$this->prefs['lesson_completed']['log'],
				$lesson_id,
				array( 'ref_type' => 'post' ),
				$this->mycred_type
			);

		}

		/**
		 * Topic Completed
		 * @since 1.0
		 * @version 1.1
		 */
		public function topic_completed( $data ) {	

			$topic_id = $data['topic']->ID;

			// Must be logged in
			if ( ! is_user_logged_in() ) return;

			$user_id = get_current_user_id();

			// Check if user is excluded
			if ( $this->core->exclude_user( $user_id ) ) return;

			// Make sure this is unique event
			if ( $this->core->has_entry( 'topic_completed', $topic_id, $user_id ) ) return;

			// Execute
			$this->core->add_creds(
				'topic_completed',
				$user_id,
				$this->prefs['topic_completed']['creds'],
				$this->prefs['topic_completed']['log'],
				$topic_id,
				array( 'ref_type' => 'post' ),
				$this->mycred_type
			);

		}

		/**
		 * Quiz Completed
		 * @since 1.0
		 * @version 1.1
		 */
		public function quiz_completed( $data ) {	

			$quiz_id = $data['quiz']->ID;

			// Must be logged in
			if ( ! is_user_logged_in() ) return;

			$user_id = get_current_user_id();

			// Check if user is excluded
			if ( $this->core->exclude_user( $user_id ) ) return;

			// Make sure this is unique event
			if ( $this->core->has_entry( 'quiz_completed', $quiz_id, $user_id ) ) return;

			// Execute
			$this->core->add_creds(
				'quiz_completed',
				$user_id,
				$this->prefs['quiz_completed']['creds'],
				$this->prefs['quiz_completed']['log'],
				$quiz_id,
				array( 'ref_type' => 'post' ),
				$this->mycred_type
			);

		}

		/**
		 * Register Custom myCRED References
		 * @since 1.0
		 * @version 1.0
		 */
		public function add_references( $references ) {

			// LearnDash References
			$references['course_completed'] = 'Completed Course';
			$references['lesson_completed'] = 'Completed Lesson';
			$references['topic_completed'] = 'Completed Topic';
			$references['quiz_completed'] = 'Completed Quiz';
 
			return $references;
 
		}

		/**
		 * Preferences for LearnDash
		 * @since 1.1
		 * @version 1.0
		 */
		public function preferences() {

			$prefs = $this->prefs;

?>
<label class="subheader" for="<?php echo $this->field_id( array( 'course_completed' => 'creds' ) ); ?>"><?php _e( 'Completing a Course', 'mycred' ); ?></label>
<ol>
	<li>
		<div class="h2"><input type="text" name="<?php echo $this->field_name( array( 'course_completed' => 'creds' ) ); ?>" id="<?php echo $this->field_id( array( 'course_completed' => 'creds' ) ); ?>" value="<?php echo $this->core->number( $prefs['course_completed']['creds'] ); ?>" size="8" /></div>
	</li>
</ol>
<label class="subheader" for="<?php echo $this->field_id( array( 'course_completed' => 'log' ) ); ?>"><?php _e( 'Log Template', 'mycred' ); ?></label>
<ol>
	<li>
		<div class="h2"><input type="text" name="<?php echo $this->field_name( array( 'course_completed' => 'log' ) ); ?>" id="<?php echo $this->field_id( array( 'course_completed' => 'log' ) ); ?>" value="<?php echo esc_attr( $prefs['course_completed']['log'] ); ?>" class="long" /></div>
		<span class="description"><?php echo $this->available_template_tags( array( 'general', 'post' ) ); ?></span>
	</li>
</ol>

<label class="subheader" for="<?php echo $this->field_id( array( 'lesson_completed' => 'creds' ) ); ?>"><?php _e( 'Completing a Lesson', 'mycred' ); ?></label>
<ol>
	<li>
		<div class="h2"><input type="text" name="<?php echo $this->field_name( array( 'lesson_completed' => 'creds' ) ); ?>" id="<?php echo $this->field_id( array( 'lesson_completed' => 'creds' ) ); ?>" value="<?php echo $this->core->number( $prefs['lesson_completed']['creds'] ); ?>" size="8" /></div>
	</li>
</ol>
<label class="subheader" for="<?php echo $this->field_id( array( 'lesson_completed' => 'log' ) ); ?>"><?php _e( 'Log Template', 'mycred' ); ?></label>
<ol>
	<li>
		<div class="h2"><input type="text" name="<?php echo $this->field_name( array( 'lesson_completed' => 'log' ) ); ?>" id="<?php echo $this->field_id( array( 'lesson_completed' => 'log' ) ); ?>" value="<?php echo esc_attr( $prefs['lesson_completed']['log'] ); ?>" class="long" /></div>
		<span class="description"><?php echo $this->available_template_tags( array( 'general', 'post' ) ); ?></span>
	</li>
</ol>

<label class="subheader" for="<?php echo $this->field_id( array( 'topic_completed' => 'creds' ) ); ?>"><?php _e( 'Completing a Topic', 'mycred' ); ?></label>
<ol>
	<li>
		<div class="h2"><input type="text" name="<?php echo $this->field_name( array( 'topic_completed' => 'creds' ) ); ?>" id="<?php echo $this->field_id( array( 'topic_completed' => 'creds' ) ); ?>" value="<?php echo $this->core->number( $prefs['topic_completed']['creds'] ); ?>" size="8" /></div>
	</li>
</ol>
<label class="subheader" for="<?php echo $this->field_id( array( 'topic_completed' => 'log' ) ); ?>"><?php _e( 'Log Template', 'mycred' ); ?></label>
<ol>
	<li>
		<div class="h2"><input type="text" name="<?php echo $this->field_name( array( 'topic_completed' => 'log' ) ); ?>" id="<?php echo $this->field_id( array( 'topic_completed' => 'log' ) ); ?>" value="<?php echo esc_attr( $prefs['topic_completed']['log'] ); ?>" class="long" /></div>
		<span class="description"><?php echo $this->available_template_tags( array( 'general', 'post' ) ); ?></span>
	</li>
</ol>

<label class="subheader" for="<?php echo $this->field_id( array( 'quiz_completed' => 'creds' ) ); ?>"><?php _e( 'Completing a Quiz', 'mycred' ); ?></label>
<ol>
	<li>
		<div class="h2"><input type="text" name="<?php echo $this->field_name( array( 'quiz_completed' => 'creds' ) ); ?>" id="<?php echo $this->field_id( array( 'quiz_completed' => 'creds' ) ); ?>" value="<?php echo $this->core->number( $prefs['quiz_completed']['creds'] ); ?>" size="8" /></div>
	</li>
</ol>
<label class="subheader" for="<?php echo $this->field_id( array( 'quiz_completed' => 'log' ) ); ?>"><?php _e( 'Log Template', 'mycred' ); ?></label>
<ol>
	<li>
		<div class="h2"><input type="text" name="<?php echo $this->field_name( array( 'quiz_completed' => 'log' ) ); ?>" id="<?php echo $this->field_id( array( 'quiz_completed' => 'log' ) ); ?>" value="<?php echo esc_attr( $prefs['quiz_completed']['log'] ); ?>" class="long" /></div>
		<span class="description"><?php echo $this->available_template_tags( array( 'general', 'post' ) ); ?></span>
	</li>
</ol>
<?php

		}

	}

}