add course card widget

Author: hugosolar

functions.php

@@ -19,6 +19,7 @@
 
 /* Include local files */
 require STYLESHEETPATH. '/inc/certificates-functions.php';
+require STYLESHEETPATH. '/inc/widgets.php';
 /**
  * Theme singleton class
  * ---------------------

inc/widgets.php

@@ -0,0 +1,6 @@
+<?php
+/**
+ * CERTIFICATE WIDGETS
+ */
+
+require STYLESHEETPATH . '/inc/widgets/cc-course-card.php';

inc/widgets/cc-course-card.php

@@ -0,0 +1,61 @@
+<?php
+class WP_Widget_Course extends WP_Widget {
+
+	/** constructor */
+	function __construct() {
+		$widget_ops  = array(
+			'classname'   => 'cc-course',
+			'description' => 'This is a Vocabulary card with a selected course information',
+		);
+		$control_ops = array();
+		parent::__construct( 'cc-course', 'CC Course card', $widget_ops, $control_ops );
+	}
+
+	function widget( $args, $instance ) {
+    if ( !empty( $instance['course'] ) ) {
+      $title = ( !empty( $instance['title'] ) ) ? $instance['title'] : 'Course';
+      $course = get_post( $instance['course'] );
+      $description = do_excerpt( $course );
+      $url = get_permalink( $instance[ 'course' ] );
+      $course_title = get_the_title( $instance['course'] );
+      echo '<div class="widget course-card">';
+        echo Components::card_post( $instance['course'], true, false, false, false, true, true, true, $title, $description, $url, $course_title, false, false, 'vertical', 'Read more', 'small', 'is-info'  );
+      echo '</div>';
+    }
+	}
+
+	function update( $new_instance, $old_instance ) {
+		return $new_instance;
+	}
+
+  function get_courses() {
+    $courses = new WP_Query( array(
+      'post_type' => 'cc_course',
+      'post_status' => 'publish',
+      'posts_per_page' => -1
+    ) );
+    if ( $courses->have_posts() ) {
+      return $courses->posts;
+    } else {
+      return false;
+    }
+  }
+
+	function form( $instance ) {
+		echo '<p><label for="' . $this->get_field_id( 'title' ) . '">Title: <input type="text" name="' . $this->get_field_name( 'title' ) . '" id="' . $this->get_field_id( 'title' ) . '" value="' . $instance['title'] . '" class="widefat" /></label></p>';
+		echo '<p><label>Select Course: </label>';
+    $courses_list = $this->get_courses();
+		echo '<select class="widefat" id="' . $this->get_field_id( 'course' ) . '" name="' . $this->get_field_name( 'course' ) . '">';
+		echo '<option value="">Select Course</option>';
+		foreach ($courses_list as $course) {
+			echo '<option value="' . $course->ID . '" ' . ( ( $instance['course'] == $course->ID ) ? 'selected="selected"' : '' ) . '>' . get_the_title($course->ID) . '</option>';
+		}
+		echo '</select>';
+		echo '</p>';
+	}
+}
+function cc_course_card_widget_init() {
+	register_widget( 'WP_Widget_Course' );
+}
+
+add_action( 'widgets_init', 'cc_course_card_widget_init' );