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<?php
/**
* class-groups-blocks.php
*
* Copyright (c) "kento" Karim Rahimpur www.itthinx.com
*
* This code is released under the GNU General Public License.
* See COPYRIGHT.txt and LICENSE.txt.
*
* This code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This header and all notices must be kept intact.
*
* @author Denitsa Slavcheva
* @package groups
* @since groups 2.8.0
*/
if ( !defined( 'ABSPATH' ) ) {
exit;
}
require_once GROUPS_ACCESS_LIB . '/class-groups-access-meta-boxes.php';
/**
* In charge of registering, controlling and rendering Groups' blocks.
*/
class Groups_Blocks {
/**
* Adds handlers to register blocks, REST and block categories.
*/
public static function init() {
add_action( 'init', array( __CLASS__, 'groups_blocks_block_init' ) );
add_action( 'rest_api_init', array( __CLASS__, 'groups_rest' ) );
// @since 2.14.0 check for this function which is available since WordPress 5.8.0; as of then, the block_categories filter is deprecated and block_categories_all should be used instead
if ( function_exists( 'get_default_block_categories' ) ) {
add_filter( 'block_categories_all', array( __CLASS__, 'block_categories_all' ), 10, 2 );
} else {
add_filter( 'block_categories', array( __CLASS__, 'groups_block_categories' ), 10, 2 );
}
}
/**
* Create the REST API endpoints.
*/
public static function groups_rest() {
register_rest_route(
// namespace - TODO version portion, change when merging to Groups plugin.
'groups/groups-blocks',
// resource path
'/groups',
array(
// Get the list of existing groups.
array(
'methods' => 'GET',
'callback' => array( __CLASS__, 'get_groups' ),
// Restrict access for the endpoint only to users that can administrate groups restrictions.
'permission_callback' => function () {
return Groups_Access_Meta_Boxes::user_can_restrict(); // nosemgrep: scanner.php.wp.security.rest-route.permission-callback.incorrect-return
},
),
)
);
}
/**
* Callback function to retrieve existing groups.
*
* @return array
*/
public static function get_groups() {
$groups_options = array();
if ( Groups_Access_Meta_Boxes::user_can_restrict() ) {
$include = Groups_Access_Meta_Boxes::get_user_can_restrict_group_ids();
$groups = Groups_Group::get_groups(
array(
'order_by' => 'name',
'order' => 'ASC',
'include' => $include,
)
);
foreach ( $groups as $group ) {
$groups_options[] = array(
'value' => $group->group_id,
'label' => $group->name ? stripslashes( wp_filter_nohtml_kses( $group->name ) ) : '',
);
}
} else {
$groups_options = esc_html__( 'You cannot set any access restrictions.', 'groups' );
}
return $groups_options;
}
/**
* Register the Groups block category.
*
* @since 2.14.0
*
* @param array $block_categories
* @param WP_Block_Editor_Context $block_editor_context
*
* @return array
*/
public static function block_categories_all( $block_categories, $block_editor_context ) {
$block_categories = array_merge(
$block_categories,
array(
array(
'slug' => 'groups',
'title' => 'Groups' // do NOT translate
)
)
);
return $block_categories;
}
/**
* Adds a new block category for 'groups' in the block editor.
*
* @deprecated as of 2.14.0 with WordPress 5.8.0 using the block_categories_all filter instead
*
* @param array $categories Array of block categories.
* @param WP_Post $post Post being loaded.
*
* @return array
*/
public static function groups_block_categories( $categories, $post ) {
$categories = array_merge(
$categories,
array(
array(
'slug' => 'groups',
'title' => 'Groups',
),
)
);
return $categories;
}
/**
* Registers our blocks.
*/
public static function groups_blocks_block_init() {
// Skip block registration if Gutenberg is not enabled/merged.
if ( ! function_exists( 'register_block_type' ) ) {
return;
}
$asset_file = include GROUPS_BLOCKS_LIB . '/build/index.asset.php';
$editor_dependencies = array_merge(
$asset_file['dependencies'],
array()
);
// @todo if 'wp-edit-widgets' or 'wp-customize-widgets' script then don't use wp-editor ... so ?
// Scripts.
wp_register_script(
'groups_blocks-block-js', // Handle.
GROUPS_PLUGIN_URL . 'lib/blocks/build/index.js',
$editor_dependencies,
GROUPS_CORE_VERSION
);
wp_set_script_translations(
'groups_blocks-block-js',
'groups'
);
// Frontend Styles - currently none required.
// wp_register_style(
// 'groups_blocks-style-css', // Handle.
// GROUPS_PLUGIN_URL . 'lib/blocks/dist/blocks.style.build.css',
// array(), // Dependency to include the CSS after it.
// GROUPS_CORE_VERSION
// );
// Editor Styles.
wp_register_style(
'groups_blocks-block-editor-css', // Handle.
GROUPS_PLUGIN_URL . 'lib/blocks/build/index.css',
array( 'wp-edit-blocks' ), // Dependency to include the CSS after it.
GROUPS_CORE_VERSION
);
register_block_type(
'groups/groups-member',
array(
'editor_script' => 'groups_blocks-block-js',
'editor_style' => 'groups_blocks-block-editor-css',
'style' => 'groups_blocks-style-css',
'render_callback' => array( __CLASS__, 'groups_member_render_content' ),
)
);
register_block_type(
'groups/groups-non-member',
array(
'editor_script' => 'groups_blocks-block-js',
'editor_style' => 'groups_blocks-block-editor-css',
'style' => 'groups_blocks-style-css',
'render_callback' => array( __CLASS__, 'groups_non_member_render_content' ),
)
);
}
/**
* Rendering callback for our Groups Member block.
*
* @param array $attributes
* @param string $content
*
* @return string
*/
public static function groups_member_render_content( $attributes, $content ) {
$output = '';
$show_content = false;
$selected_groups = array();
if ( isset( $attributes['groups_select'] ) ) {
$decoded_groups = json_decode( $attributes['groups_select'] );
if ( ! empty( $decoded_groups ) ) {
foreach ( $decoded_groups as $group ) {
$selected_groups[] = $group->value;
}
}
}
$groups_user = new Groups_User( get_current_user_id() );
foreach ( $selected_groups as $group ) {
$current_group = Groups_Group::read( $group );
if ( ! $current_group ) {
$current_group = Groups_Group::read_by_name( $group );
}
if ( $current_group ) {
if ( $groups_user->is_member( $current_group->group_id ) ) {
$show_content = true;
break;
}
}
}
if ( $show_content ) {
$output = '<div class="groups-member-block-content">' . $content . '</div>';
}
return $output;
}
/**
* Rendering callback for our Groups Non-member block.
*
* @param array $attributes
* @param string $content
*
* @return string
*/
public static function groups_non_member_render_content( $attributes, $content ) {
$output = '';
$show_content = true;
$selected_groups = array();
if ( isset( $attributes['groups_select'] ) ) {
$decoded_groups = json_decode( $attributes['groups_select'] );
if ( ! empty( $decoded_groups ) ) {
foreach ( $decoded_groups as $group ) {
$selected_groups[] = $group->value;
}
}
}
$groups_user = new Groups_User( get_current_user_id() );
foreach ( $selected_groups as $group ) {
$current_group = Groups_Group::read( $group );
if ( ! $current_group ) {
$current_group = Groups_Group::read_by_name( $group );
}
if ( $current_group ) {
if ( $groups_user->is_member( $current_group->group_id ) ) {
$show_content = false;
break;
}
}
}
if ( $show_content ) {
$output = '<div class="groups-non-member-block-content">' . $content . '</div>';
}
return $output;
}
}
Groups_Blocks::init();