class-beyond-legacy-resources.php

<?php
/**
 * Plugin Name: Resource Post Type by Volkan
 * Description: This plugin adds a Resource Post Type to your WordPress website.
 * Version: 1.0.0
 * Author: Samuel Nzaro
 * Author URI: https://github.com/mevolkan
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'Beyond_Legacy_Resources' ) ) {
	class Beyond_Legacy_Resources {


	}
}

/**
 * Registers a custom post type 'resource'.
 *
 * @since 1.0.0
 *
 * @return void
 */
function bl_register_resource(): void {
	$labels = array(
		'name'                  => _x( 'Resource', 'Post Type General Name', 'resource' ),
		'singular_name'         => _x( 'Resource', 'Post Type Singular Name', 'resource' ),
		'menu_name'             => __( 'Resources', 'resource' ),
		'name_admin_bar'        => __( 'Resources', 'resource' ),
		'archives'              => __( 'Resources Archives', 'resource' ),
		'attributes'            => __( 'Resources Attributes', 'resource' ),
		'parent_item_colon'     => __( 'Parent Resource:', 'resource' ),
		'all_items'             => __( 'All Resources', 'resource' ),
		'add_new_item'          => __( 'Add New Resource', 'resource' ),
		'add_new'               => __( 'Add New', 'resource' ),
		'new_item'              => __( 'New Resource', 'resource' ),
		'edit_item'             => __( 'Edit Resource', 'resource' ),
		'update_item'           => __( 'Update Resource', 'resource' ),
		'view_item'             => __( 'View Resource', 'resource' ),
		'view_items'            => __( 'View Resources', 'resource' ),
		'search_items'          => __( 'Search Resources', 'resource' ),
		'not_found'             => __( 'Resource Not Found', 'resource' ),
		'not_found_in_trash'    => __( 'Resource Not Found in Trash', 'resource' ),
		'featured_image'        => __( 'Featured Image', 'resource' ),
		'set_featured_image'    => __( 'Set Featured Image', 'resource' ),
		'remove_featured_image' => __( 'Remove Featured Image', 'resource' ),
		'use_featured_image'    => __( 'Use as Featured Image', 'resource' ),
		'insert_into_item'      => __( 'Insert into Resource', 'resource' ),
		'uploaded_to_this_item' => __( 'Uploaded to this Resource', 'resource' ),
		'items_list'            => __( 'Resources List', 'resource' ),
		'items_list_navigation' => __( 'Resources List Navigation', 'resource' ),
		'filter_items_list'     => __( 'Filter Resources List', 'resource' ),
	);
	$labels = apply_filters( 'resource_labels', $labels );

	$args = array(
		'label'               => __( 'Resource', 'resource' ),
		'description'         => __( 'Resource Description', 'resource' ),
		'labels'              => $labels,
		'supports'            => array(
			'title',
			'editor',
			'author',
			'excerpt',
			'thumbnail',
			'revisions',
		),
		'taxonomies'          => array(
			'category',
			'post_tag',
		),
		'hierarchical'        => true,
		'public'              => true,
		'show_ui'             => true,
		'show_in_menu'        => true,
		'menu_position'       => 5,
		'menu_icon'           => 'dashicons-media-text',
		'show_in_admin_bar'   => true,
		'show_in_nav_menus'   => true,
		'publicly_queryable'  => true,
		'exclude_from_search' => false,
		'has_archive'         => true,
		'can_export'          => true,
		'capability_type'     => 'page',
		'show_in_rest'        => true,
		'rest_base'           => 'resource',
	);
	$args = apply_filters( 'resource_args', $args );

	register_post_type( 'resource', $args );
}

function add_url_metabox() {
	add_meta_box( 'resource_url_metabox', 'Resource URL', 'render_resource_url_metabox', 'resource', 'normal', 'high' );
}
add_action( 'add_meta_boxes', 'add_url_metabox' );

function render_resource_url_metabox( $post ) {

	$resource_url = get_post_meta( $post->ID, '_resource_url', true );
	?>
	<label for="resource-url">Enter a Custom URL:</label>
	<input type="text" id="resource-url" name="resource_url" value="<?php echo esc_attr( $resource_url ); ?>">
	or Pick from Media Library:
	<input type="button" id="upload-media-button" class="button" value="Pick from Media Library">
	<?php
}

function save_resource_url_metabox( $post_id ) {
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
		return;
	}
	if ( ! current_user_can( 'edit_post', $post_id ) ) {
		return;
	}

	if ( isset( $_POST['resource_url'] ) ) {
		update_post_meta( $post_id, '_resource_url', sanitize_text_field( wp_unslash( $_POST['resource_url'] ) ) );
	}
}
add_action( 'save_post', 'save_resource_url_metabox' );

add_action( 'admin_enqueue_scripts', 'load_wp_media_files' );
function load_wp_media_files() {
	// change to the $page where you want to enqueue the script
	// if( $page == 'options-general.php' ) {
	wp_enqueue_media();
	wp_enqueue_script( 'resources_script', plugins_url( '/js/mediafiles.js', __FILE__ ), array( 'jquery' ), '0.1' );
	// }
}

function add_resource_price_meta_box() {
	add_meta_box( 'resource_price_meta', 'Resource Price', 'render_resource_price_meta_box', 'resource', 'normal', 'high' );
}
add_action( 'add_meta_boxes', 'add_resource_price_meta_box' );

function render_resource_price_meta_box( $post ) {
	// Retrieve the saved price, if any
	$resource_price = get_post_meta( $post->ID, '_resource_price', true );
	?>
	<label for="resource-price">Resource Price:</label>
	<input type="text" id="resource-price" name="resource_price" value="<?php echo esc_attr( $resource_price ); ?>">
	<?php
}

function save_resource_price_meta_box( $post_id ) {
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
		return;
	}
	if ( ! current_user_can( 'edit_post', $post_id ) ) {
		return;
	}

	if ( isset( $_POST['resource_price'] ) ) {
		update_post_meta( $post_id, '_resource_price', sanitize_text_field( wp_unslash( $_POST['resource_price'] ) ) );
	}
}
add_action( 'save_post', 'save_resource_price_meta_box' );

/* Filter the single_template with our custom function*/

function get_template_path( $template, $type ) {
	$theme_file = locate_template( array( $type . '-resource.php' ) );
	if ( $theme_file ) {
		return $theme_file;
	} else {
		$plugin_template = plugin_dir_path( __FILE__ ) . '/includes/templates/' . $type . '-resource.php';
		if ( file_exists( $plugin_template ) ) {
			return $plugin_template;
		}
	}
	return $template;
}

function load_resource_single_template( $template ) {
	if ( is_single() && get_post_type() === 'resource' ) {
		return get_template_path( $template, 'single' );
	}
	return $template;
}

add_filter( 'template_include', 'load_resource_single_template' );

function load_resource_archive_template( $template ) {
	if ( is_post_type_archive( 'resource' ) ) {
		return get_template_path( $template, 'archive' );
	}
	return $template;
}

add_filter( 'template_include', 'load_resource_archive_template' );

add_action( 'init', 'bl_register_resource', 0 );

function resource_user_scripts() {
	$plugin_url = plugin_dir_url( __FILE__ );

	wp_enqueue_style( 'resource_style', $plugin_url . '/css/styles.css' );
}

add_action( 'wp_enqueue_scripts', 'resource_user_scripts' );

function resource_loop_shortcode( $atts ) {
	global $wp_query;
	ob_start();

	// Define default values for attributes.
	$atts  = shortcode_atts(
		array(
			'count'   => 6,
			// posts per page
			'limit'   => 6,
			'columns' => 3,
		),
		$atts
	);
	$paged = ( get_query_var( 'paged' ) ) ? absint( get_query_var( 'paged' ) ) : 1;

	$args = array(
		'post_type'      => 'resource',
		'posts_per_page' => $atts['count'],
		'paged'          => $paged,
	);
	$loop = new WP_Query( $args );

	if ( $loop->have_posts() ) {
		echo '<div class="row resources">';
		while ( $loop->have_posts() ) {
			$loop->the_post();
			if ( '' === locate_template( 'includes/templates/partials/loop.php', true, false ) ) {
				include 'includes/templates/partials/loop.php';
			}
			get_template_part( 'includes/templates/partials/loop' );
		}
		echo '</div>';

		echo '<div class="pagination">';
		$big = 999999999;
		echo paginate_links(
			array(
				// 'base' => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
				'total'     => $loop->max_num_pages,
				'current'   => max( 1, get_query_var( 'paged' ) ),
				'format'    => '?paged=%#%',
				'prev_text' => 'Previous',
				'next_text' => 'Next',
			)
		);
		echo '</div>';
	}

	wp_reset_postdata();

	return ob_get_clean(); // Return the buffered output
	wp_reset_query();
}
add_shortcode( 'resource-loop', 'resource_loop_shortcode' );

function add_resources_page_template( $templates ) {
	$templates[ plugin_dir_path( __FILE__ ) . 'includes/templates/resources-template.php' ] = __( 'Resource Page Template', 'resource' );
	return $templates;
}
add_filter( 'theme_page_templates', 'add_resources_page_template' );

function combined_resources_loop( $atts ) {
	global $wp_query;
	ob_start(); // Start output buffering

	$atts  = shortcode_atts(
		array(
			'count'   => 12,
			// posts per page
			'limit'   => 12,
			'columns' => 3,
		),
		$atts
	);
	$paged = ( get_query_var( 'paged' ) ) ? absint( get_query_var( 'paged' ) ) : 1;

	$args  = array(
		'post_type'      => array( 'resource', 'post' ),
		'posts_per_page' => $atts['count'],
		'paged'          => $paged,
	);
	$query = new WP_Query( $args );
	include 'includes/templates/partials/resources-filter.php';
	if ( $query->have_posts() ) {
		echo '<div class="row resources filtered-results">';
		while ( $query->have_posts() ) {
			$query->the_post();
			if ( '' === locate_template( 'includes/templates/partials/loop.php', true, false ) ) {
				include 'includes/templates/partials/loop.php';
			}
			get_template_part( 'includes/templates/partials/loop' );
		}
		echo '</div>';

		echo '<div class="pagination">';
		$big = 999999999; // need an unlikely integer
		echo paginate_links(
			array(
				// 'base' => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
				'total'     => $query->max_num_pages,
				'current'   => max( 1, get_query_var( 'paged' ) ),
				'format'    => '?paged=%#%',
				'prev_text' => 'Previous',
				'next_text' => 'Next',
			)
		);
		echo '</div>';
	}

	wp_reset_postdata();

	return ob_get_clean(); // Return the buffered output
	wp_reset_query();
}
add_shortcode( 'combined-loop', 'combined_resources_loop' );

// Ajax Filter
function filter_resources() {
	$filter = sanitize_text_field( $_POST['filter'] );
	if ( in_array( $filter, array( 'all', 'blogs' ) ) ) {
		$args = array(
			'post_type'      => ( $filter === 'all' ) ? array( 'post', 'resource' ) : ( $filter === 'blogs' ? 'post' : $filter ),
			'posts_per_page' => -1,
		);
	}

	if ( in_array( $filter, array( 'audio', 'ebook', 'video' ) ) ) {
		$tax_query[] = array(
			array(
				'taxonomy' => 'category',
				'field'    => 'slug',
				'terms'    => $filter,
			),
		);
		$args        = array(
			'post_type'      => array( 'resource', 'post' ),
			'posts_per_page' => -1,
			'tax_query'      => $tax_query,
		);
	}

	$query = new WP_Query( $args );

	if ( $query->have_posts() ) {
		while ( $query->have_posts() ) {
			$query->the_post();
			if ( '' === locate_template( 'includes/templates/partials/loop.php', true, false ) ) {
				include 'includes/templates/partials/loop.php';
			}
			get_template_part( 'includes/templates/partials/loop' );
		}
	} else {
		echo 'No Resource found';
	}

	wp_die();
}
add_action( 'wp_ajax_filter_resources', 'filter_resources' );
add_action( 'wp_ajax_nopriv_filter_resources', 'filter_resources' );


function localize_ajax_url() {
	wp_enqueue_script( 'resources_script', plugins_url( '/js/resources-filter.js', __FILE__ ), array( 'jquery' ), '0.1' );
	wp_localize_script(
		'resources_script',
		'ajaxUrl',
		array(
			'ajaxurl' => admin_url( 'admin-ajax.php' ),
		)
	);
}
add_action( 'wp_enqueue_scripts', 'localize_ajax_url' );