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blocks-for-discogs.php
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<?php
/**
* Plugin Name: Blocks for Discogs
* Plugin URI: https://github.com/villanovachile/blocks-for-discogs
* Description: Displays a collection from discogs.com
* Requires at least: 5.9
* Requires PHP: 7.4
* Version: 1.0.1
* Author: villanovachile
* Author URI: https://danielr.io
* License: GPL-2.0-or-later
* License URI: https://www.gnu.org/licenses/gpl-2.0.html
* Text Domain: blocksfordiscogs
*
* @package blocks-for-discogs
*/
function drbfd_blocks_for_discogs_register_scripts() {
wp_register_script(
'drbfd_script',
plugin_dir_url( __FILE__ ) . '/assets/js/drbfd-blocks-for-discogs.js', array(),
'1.0.0',
true
);
}
add_action( 'init', 'drbfd_blocks_for_discogs_register_scripts' );
add_action( 'init', 'drbfd_add_shortcode' );
function drbfd_add_shortcode() {
add_shortcode( 'blocks-for-discogs', 'drbfd_render_releases' );
}
function drbfd_shortcode_style_func() {
wp_enqueue_style( 'shortcode_styles', plugin_dir_url( __FILE__ ) . '/build/style-index.css');
}
add_action( 'init', 'drbfd_shortcode_style_func' );
function drbfd_render_releases() {
$options = get_option( 'drbfd_blocks_for_discogs_options' );
if (!isset($options['username']) && !isset($options['token']) || $options['token'] == '' && $options['username'] == '') {
return '<div class="drbfd-blocks-for-discogs-error">
<p><b>Blocks for Discogs</b>:<br> You must enter both a user name and token in the Blocks for Discogs settings</p>
</div>';
}
if (!isset($options['token']) || $options['token'] == ''){
return '<div class="drbfd-blocks-for-discogs-error">
<p><b>Blocks for Discogs</b>:<br> You must enter a token in the Blocks for Discogs settings</p>
</div>';
} else if (isset($options['token'])) {
$token = $options['token'];
}
if (!isset($options['username']) || $options['username'] == '') {
return '<div class="drbfd-blocks-for-discogs-error">
<p><b>Blocks for Discogs</b>:<br> You must enter a Discogs.com username in the Blocks for Discogs settings</p>
</div>';
} else if (isset($options['username'])) {
$username = $options['username'];
}
if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) {
$page = 1;
$limit = 6;
$response = wp_remote_get(
esc_url_raw( 'https://api.discogs.com/users/' . $username .'/collection/folders/0/releases?page='.$page.'&per_page='.$limit ),
array(
'headers' => array(
'referer' => home_url(),
'Authorization' => 'Discogs token='.$token
)
)
);
if ( is_wp_error($response) ) {
return 'false';
}
$body = wp_remote_retrieve_body( $response );
$data = json_decode( $body, true );
$output = '<div id="drbfd-blocks-for-discogs-parent" class="drbfd-blocks-for-discogs-parent">
<div id="#drbfd-discogs-container" class="drbfd-discogs-container">';
foreach ($data['releases'] as $item){
$albumName = $item['basic_information']['title'];
$artistName = $item['basic_information']['artists'][0]['name'];
$albumCover = $item['basic_information']['thumb'];
$releaseYear = $item['basic_information']['year'];
$format = $item['basic_information']['formats'][0]['name'];
$output .= '<div class="discogs-card">
<div class="album-cover-div"><img src="' . $albumCover . '"></div>
<div class="album-title-div">
<h4>' . $albumName . '</h4>
<h5>' . $artistName . '</h5>
</div>
<div class="album-release-details">
<p>Format: ' . $format . '</p>
<p>Released: ' . $releaseYear . '</p>
</div>
</div>';
}
$output .= '</div></div>';
return $output;
}
wp_enqueue_script( 'jquery' );
wp_localize_script( 'drbfd_script', 'discogs_fetch',
array( 'ajaxurl' => admin_url( 'admin-ajax.php' ),
'noimage' => plugin_dir_url( __FILE__ ) . '/assets/noimage.png',
'nonce' => wp_create_nonce('ajax-nonce')
) );
wp_enqueue_script( 'drbfd_script' );
return '
<div id="drbfd-blocks-for-discogs-parent" class="drbfd-blocks-for-discogs-parent">
</div>
';
}
function drbfd_blocks_for_discogs_init() {
register_block_type_from_metadata( __DIR__ , array(
'render_callback' => 'drbfd_render_releases'
) );
}
add_action( 'init', 'drbfd_blocks_for_discogs_init' );
add_action('wp_ajax_drbfd_discogs_fetch', 'drbfd_discogs_fetch');
add_action('wp_ajax_nopriv_drbfd_discogs_fetch', 'drbfd_discogs_fetch');
function drbfd_discogs_fetch(){
if ( ! wp_verify_nonce( $_GET['nonce'], 'ajax-nonce' ) ) {
return $_GET['nonce]'];
die ();
}
$options = get_option( 'drbfd_blocks_for_discogs_options' );
if (isset($options['token'])) {
$token = $options['token'];
} else {
$token = '';
}
if (isset($options['username'])) {
$username = $options['username'];
} else {
$username = '';
}
if(isset($_REQUEST)){
$page = (int)$_REQUEST['page'];
$limit = (int)$_REQUEST['limit'];
if (!is_int($page) || $page == 0) {
die();
}
if (!is_int($limit) || $limit > 50 | $limit == 0) {
die();
}
$response = wp_remote_get(
esc_url_raw( 'https://api.discogs.com/users/' . $username .'/collection/folders/0/releases?page='.$page.'&per_page='.$limit ),
array(
'headers' => array(
'referer' => home_url(),
'Authorization' => 'Discogs token='.$token
)
)
);
if ( is_wp_error($response) ) {
return false;
}
$body = wp_remote_retrieve_body( $response );
$data = json_decode( $body );
wp_send_json_success( $data );
}
die();
}
add_action ('admin_menu', 'drbfd_add_settings_menu');
function drbfd_add_settings_menu() {
add_menu_page ('Blocks for Discogs Settings', 'Blocks for Discogs',
'manage_options', 'drbfd_blocks_for_discogs', 'drbfd_blocks_for_discogs_option_page',
plugin_dir_url( __FILE__ ) . '/assets/icon.png', 99);
}
function drbfd_blocks_for_discogs_option_page() {
?>
<div class="wrap">
<h2> Blocks for Discogs</h2>
<form action="options.php" method="post">
<?php
settings_fields ('drbfd_blocks_for_discogs_options');
do_settings_sections ('drbfd_blocks_for_discogs');
submit_button ('Save Changes', 'primary');
?>
</form>
<?php
}
?>
<?php
function drbfd_blocks_for_discogs_settings_errors() {
settings_errors();
}
add_action('admin_notices', 'drbfd_blocks_for_discogs_settings_errors');
add_action('admin_init', 'drbfd_load_menu');
function drbfd_load_menu() {
add_settings_section(
'drbfd_blocks_for_discogs_main',
'Settings',
'drbfd_blocks_for_discogs_section_text',
'drbfd_blocks_for_discogs'
);
register_setting ('drbfd_blocks_for_discogs_options', 'drbfd_blocks_for_discogs_options',
array (
'type' => 'string',
'sanitize_callback' => 'drbfd_blocks_for_discogs_validate_username',
'default' => ''
)
);
add_settings_field( 'drbfd_blocks_for_discogs_username',
'<br>Your Discogs Username',
'drbfd_blocks_for_discogs_settings_username',
'drbfd_blocks_for_discogs',
'drbfd_blocks_for_discogs_main'
);
register_setting ('drbfd_blocks_for_discogs_options', 'drbfd_blocks_for_discogs_options',
array (
'type' => 'string',
'sanitize_callback' => 'drbfd_blocks_for_discogs_validate_token',
'default' => ''
)
);
add_settings_field( 'drbfd_blocks_for_discogs_token',
'Your Discogs API Token',
'drbfd_blocks_for_discogs_settings_token',
'drbfd_blocks_for_discogs',
'drbfd_blocks_for_discogs_main'
);
function drbfd_blocks_for_discogs_section_text() {
echo '<p>Use the Blocks for Discogs in the WordPress Block Editor. <br>
If using a page builder or classic editor, use shortcode: <b>[blocks-for-discogs]</b></p>';
}
function drbfd_blocks_for_discogs_settings_token() {
$options = get_option( 'drbfd_blocks_for_discogs_options' );
if (isset($options['token'])) {
$token = $options['token'];
} else {
$token = '';
}
echo '<input id="token" name="drbfd_blocks_for_discogs_options[token]"
type="text" value="' . esc_attr( $token ) . '" required/>
<p>Enter a valid Discogs.com token. You can generate a new token
<a href="https://www.discogs.com/settings/developers" target=_blank>here</a>.</p>';
}
function drbfd_blocks_for_discogs_settings_username() {
$options = get_option( 'drbfd_blocks_for_discogs_options' );
if (isset($options['username'])) {
$username = $options['username'];
} else {
$username = '';
}
echo '<br><input id="username" name="drbfd_blocks_for_discogs_options[username]"
type="text" value="' . esc_attr( $username ) . '" required/>
<p>Enter a valid Discogs.com user name. If you do not already have one,
you can create a new one <a href="https://accounts.discogs.com/register" target=_blank>here</a>,
and be sure to add releases to your collection.</p>';
}
function drbfd_blocks_for_discogs_validate_token( $input ) {
$input['token'] = preg_replace(
'/[^A-Za-z0-9]/',
'',
$input['token'] );
return $input;
}
function drbfd_blocks_for_discogs_validate_username( $input ) {
$input['username'] = preg_replace(
'/[^A-Za-z0-9._-]/',
'',
$input['username'] );
return $input;
}
}