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<?php
/**
* LearnDash Group Membership.
*
* @since 3.2.0
* @package LearnDash\Groups
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'LD_Groups_Membership' ) ) {
/**
* Class to create the instance.
*
* @since 3.2.0
*/
class LD_Groups_Membership {
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedClassFound
/**
* Static instance variable to ensure
* only one instance of class is used.
*
* @var object $instance
*/
protected static $instance = null;
/**
* Group Membership metabox instance.
*
* @var object $mb_instance
*/
protected $mb_instance = null;
/**
* Group Membership settings.
*
* @var array $global_setting
*/
protected $global_setting = null;
/**
* Group Membership Post settings.
*
* @var array $post_setting
*/
protected $post_setting = null;
/**
* Array of runtime vars.
*
* @var array $vars Includes post_id, post, user_id, user, debug.
*/
protected $vars = array();
/**
* Get or create instance object of class.
*
* @since 3.2.0
*/
final public static function get_instance() {
if ( ! isset( static::$instance ) ) {
static::$instance = new self();
}
return static::$instance;
}
/**
* Public constructor for class
*
* @since 3.2.0
*/
protected function __construct() {
add_action( 'load-post.php', array( $this, 'on_load' ) );
add_action( 'load-post-new.php', array( $this, 'on_load' ) );
add_filter( 'the_content', array( $this, 'the_content_filter' ), 99 );
add_action( 'load-edit.php', array( $this, 'on_load_edit' ) );
}
/**
* Call via the WordPress load sequence for admin pages.
*
* @since 3.2.0
*/
public function on_load_edit() {
global $typenow, $post;
global $learndash_assets_loaded;
if ( in_array( $typenow, $this->get_global_included_post_types(), true ) ) {
if ( learndash_use_select2_lib() ) {
if ( ! isset( $learndash_assets_loaded['styles']['learndash-select2-jquery-style'] ) ) {
wp_enqueue_style(
'learndash-select2-jquery-style',
LEARNDASH_LMS_PLUGIN_URL . 'assets/vendor-libs/select2-jquery/css/select2.min.css',
array(),
LEARNDASH_SCRIPT_VERSION_TOKEN
);
$learndash_assets_loaded['styles']['learndash-select2-jquery-style'] = __FUNCTION__;
}
if ( ! isset( $learndash_assets_loaded['scripts']['learndash-select2-jquery-script'] ) ) {
wp_enqueue_script(
'learndash-select2-jquery-script',
LEARNDASH_LMS_PLUGIN_URL . 'assets/vendor-libs/select2-jquery/js/select2.full.min.js',
array( 'jquery' ),
LEARNDASH_SCRIPT_VERSION_TOKEN,
true
);
$learndash_assets_loaded['scripts']['learndash-select2-jquery-script'] = __FUNCTION__;
}
}
if ( ! isset( $learndash_assets_loaded['styles']['learndash-admin-settings-bulk-edit'] ) ) {
wp_enqueue_style(
'learndash-admin-settings-page',
LEARNDASH_LMS_PLUGIN_URL . 'assets/css/learndash-admin-settings-bulk-edit' . learndash_min_asset() . '.css',
array(),
LEARNDASH_SCRIPT_VERSION_TOKEN
);
wp_style_add_data( 'learndash-admin-settings-bulk-edit', 'rtl', 'replace' );
$learndash_assets_loaded['styles']['learndash-admin-settings-bulk-edit'] = __FUNCTION__;
}
if ( ! isset( $learndash_assets_loaded['scripts']['learndash-admin-settings-bulk-edit'] ) ) {
wp_enqueue_script(
'learndash-admin-settings-bulk-edit',
LEARNDASH_LMS_PLUGIN_URL . 'assets/js/learndash-admin-settings-bulk-edit' . learndash_min_asset() . '.js',
array( 'jquery' ),
LEARNDASH_SCRIPT_VERSION_TOKEN,
true
);
$learndash_assets_loaded['scripts']['learndash-admin-settings-bulk-edit'] = __FUNCTION__;
}
add_filter( 'manage_edit-' . $typenow . '_columns', array( $this, 'add_data_columns' ), 10, 1 );
add_action( 'manage_' . $typenow . '_posts_custom_column', array( $this, 'posts_custom_column' ), 10, 2 );
add_action( 'bulk_edit_custom_box', array( $this, 'display_custom_bulk_edit' ), 10, 2 );
add_action( 'save_post', array( $this, 'save_post_bulk_edit' ), 10, 2 );
}
}
/**
* Adds the protection columns in the table listing.
*
* @global string $typenow
*
* @since 3.2.1
*
* @param array $cols An array of columns for admin posts listing.
* @return array $cols An array of columns for admin posts listing.
*/
public function add_data_columns( $cols = array() ) {
global $typenow;
if ( ! isset( $cols['ld_groups_membership'] ) ) {
$cols['ld_groups_membership'] = sprintf(
// translators: placeholder Group.
esc_html_x( '%s Content Protection', 'placeholder Group', 'learndash' ),
LearnDash_Custom_Label::get_label( 'group' )
);
}
return $cols;
}
/**
* Show the protection columns in the table listing.
*
* @since 3.2.0
*
* @param string $column_name Column name key.
* @param integer $post_id Post ID of row.
*/
public function posts_custom_column( $column_name = '', $post_id = 0 ) {
$column_name = esc_attr( $column_name );
$post_id = absint( $post_id );
if ( ( 'ld_groups_membership' === $column_name ) && ( ! empty( $post_id ) ) ) {
$settings = learndash_get_post_group_membership_settings( $post_id );
if ( ( isset( $settings['groups_membership_enabled'] ) ) && ( 'on' === $settings['groups_membership_enabled'] ) ) {
echo sprintf(
// translators: placeholder: Groups Compare, Groups Listing link.
esc_html_x( '%1$s of %2$s', 'placeholder: Groups Compare Type, Groups Listing link', 'learndash' ),
esc_html( $settings['groups_membership_compare'] ),
'<a href="' . esc_url(
add_query_arg(
array(
'post_type' => learndash_get_post_type_slug( 'group' ),
'ld-group-membership-post-id' => $post_id,
),
admin_url( 'edit.php' )
)
) . '">' . sprintf(
// translators: placeholder: Count of Groups, Groups.
esc_html_x( '%1$s %2$s', 'placeholder: Count of Groups, Groups', 'learndash' ),
count( $settings['groups_membership_groups'] ),
( 1 === count( $settings['groups_membership_groups'] ) ? LearnDash_Custom_Label::get_label( 'group' ) : LearnDash_Custom_Label::get_label( 'groups' ) ) // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Method escapes output
) . '</a>'
);
}
}
}
/**
* Display bulk edit on table listing
*
* @since 3.2.3
*
* @param string $column_name Column name key.
* @param string $post_type Post Type slug.
*/
public function display_custom_bulk_edit( $column_name = '', $post_type = '' ) {
global $sfwd_lms;
static $print_nonce = true;
if ( ( 'ld_groups_membership' === $column_name ) && ( in_array( $post_type, $this->get_global_included_post_types(), true ) ) ) {
if ( $print_nonce ) {
$print_nonce = false;
?><input type="hidden" name="learndash_groups_membership[nonce]" value="<?php echo esc_attr( wp_create_nonce( 'learndash_groups_membership_' . $post_type ) ); ?>" />
<?php
}
$select_groups_options = $sfwd_lms->select_a_group();
if ( ! empty( $select_groups_options ) ) {
if ( learndash_use_select2_lib() ) {
$select_groups_options_default = sprintf(
// translators: placeholder: Group.
esc_html_x( 'Search or select a %s…', 'placeholder: Group', 'learndash' ),
learndash_get_custom_label( 'group' )
);
} else {
$select_groups_options_default = array(
'' => sprintf(
// translators: placeholder: Group.
esc_html_x( 'Select %s', 'placeholder: Group', 'learndash' ),
learndash_get_custom_label( 'group' )
),
);
if ( ( is_array( $select_groups_options ) ) && ( ! empty( $select_groups_options ) ) ) {
$select_groups_options = $select_groups_options_default + $select_groups_options;
} else {
$select_groups_options = $select_groups_options_default;
}
$select_groups_options_default = '';
}
?>
<div class="learndash-inline-edit">
<fieldset class="inline-edit-col-left inline-edit-col-<?php echo esc_attr( $column_name ); ?> inline-edit-col-<?php echo esc_attr( $column_name ); ?>-settings">
<legend class="inline-edit-legend">
<?php
echo sprintf(
// translators: placeholder: Group.
esc_html_x( 'LearnDash %s Content Protection', 'placeholder: Group', 'learndash' ),
LearnDash_Custom_Label::get_label( 'group' ) // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Method escapes output
);
?>
</legend>
<div class="inline-edit-col ld-inline-edit-col ld-inline-edit-col-left ld-inline-edit-col-settings">
<label class="ld-group-membership-inline-edit-action">
<span class="title"><?php echo esc_html__( 'Action', 'learndash' ); ?></span>
<select name="learndash_groups_membership[action]">
<option value=""><?php echo esc_html__( '— No Change —', 'learndash' ); ?></option>
<option value="replace"><?php echo esc_html__( 'Replace setting', 'learndash' ); ?></option>
<option value="add"><?php echo esc_html__( 'Add settings', 'learndash' ); ?></option>
<option value="remove"><?php echo esc_html__( 'Remove settings', 'learndash' ); ?></option>
</select>
</label>
<label class="ld-group-membership-inline-edit-compare">
<span class="title"><?php echo esc_html__( 'Compare', 'learndash' ); ?></span>
<select name="learndash_groups_membership[compare]">
<option value=""><?php echo esc_html__( '— No Change —', 'learndash' ); ?></option>
<option value="any">
<?php
echo sprintf(
// translators: placeholder: Group.
esc_html_x( 'Any %s', 'placeholder: Group', 'learndash' ),
esc_attr( learndash_get_custom_label( 'group' ) )
);
?>
</option>
<option value="all">
<?php
echo sprintf(
// translators: placeholder: Groups.
esc_html_x( 'All %s', 'placeholder: Groups', 'learndash' ),
esc_attr( learndash_get_custom_label( 'groups' ) )
);
?>
</option>
</select>
</label>
<?php
if ( is_post_type_hierarchical( $post_type ) ) {
$post_type_object = get_post_type_object( $post_type );
if ( ( $post_type_object ) && ( is_a( $post_type_object, 'WP_Post_Type' ) ) ) {
$plural_label = $post_type_object->labels->name;
} else {
$plural_label = 'Post';
}
?>
<label class="ld-group-membership-inline-edit-children">
<span class="title">
<?php
echo sprintf(
// translators: placeholder: Post type plural label.
esc_html_x( 'Sub-%s', 'placeholder: Post type plural label', 'learndash' ),
esc_attr( $plural_label )
);
?>
</span>
<select name="learndash_groups_membership[children]">
<option value=""><?php echo esc_html__( '— No Change —', 'learndash' ); ?></option>
<option value="yes">
<?php
echo sprintf(
// translators: placeholder: Post type plural label.
esc_html_x( 'Apply to sub-%s', 'placeholder: Post type plural label', 'learndash' ),
esc_attr( $plural_label )
);
?>
</option>
<option value="no">
<?php
echo sprintf(
// translators: placeholder: Post type plural label.
esc_html_x( 'Do not apply to sub-%s', 'placeholder: Post type plural label', 'learndash' ),
esc_attr( $plural_label )
);
?>
</option>
</select>
</label>
<?php
}
?>
</div>
</fieldset>
<fieldset class="inline-edit-col-right inline-edit-col-<?php echo esc_attr( $column_name ); ?> inline-edit-col-<?php echo esc_attr( $column_name ); ?>-groups">
<div class="inline-edit-col ld-inline-edit-col ld-inline-edit-col-right ld-inline-edit-col-groups
<?php
if ( is_post_type_hierarchical( $post_type ) ) {
echo ' ld-inline-edit-col-groups-hierarchical'; }
?>
">
<label class="ld-group-membership-inline-edit-groups">
<span class="title">
<?php
echo learndash_get_custom_label( 'groups' ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Method escapes output
?>
</span>
<select multiple="" autocomplete="off" name="learndash_groups_membership[groups][]" id="learndash_groups_membership_groups" class="learndash-section-field learndash-section-field-multiselect select2-hidden-accessible"
placeholder="
<?php
echo sprintf(
// translators: placeholder: Group.
esc_html_x( 'Search or select a %s…', 'placeholder: Group', 'learndash' ),
esc_attr( learndash_get_custom_label( 'group' ) )
);
?>
" data-ld-select2="1" data-select2-id="learndash_groups_membership_groups">
<?php
foreach ( $select_groups_options as $group_id => $group_title ) {
?>
<option value="<?php echo absint( $group_id ); ?>"><?php echo wp_kses_post( apply_filters( 'the_title', $group_title, $group_id ) ); ?></option> <?php // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- WP Core Hook ?>
<?php
}
?>
</select>
</label>
</div>
</fieldset>
</div>
<?php
}
}
}
/**
* Save bulk edit changes.
*
* @since 3.2.3
*
* @param integer $post_id Post ID.
* @param object $post WP_Post object.
*/
public function save_post_bulk_edit( $post_id, $post ) {
global $typenow;
if ( ! in_array( $typenow, $this->get_global_included_post_types(), true ) ) {
return false;
}
if ( ( ! isset( $_GET['learndash_groups_membership']['nonce'] ) ) || ( empty( $_GET['learndash_groups_membership']['nonce'] ) ) || ( ! wp_verify_nonce( esc_attr( $_GET['learndash_groups_membership']['nonce'] ), 'learndash_groups_membership_' . $typenow ) ) ) {
return false;
}
if ( ( ! isset( $_GET['post'] ) ) || ( empty( $_GET['post'] ) ) || ( ! is_array( $_GET['post'] ) ) ) {
return false;
}
$bulk_post_ids = array_map( 'absint', $_GET['post'] );
if ( ( isset( $_GET['learndash_groups_membership']['groups'] ) ) && ( ! empty( $_GET['learndash_groups_membership']['groups'] ) ) && ( is_array( $_GET['learndash_groups_membership']['groups'] ) ) ) {
$bulk_group_ids = array_map( 'absint', $_GET['learndash_groups_membership']['groups'] );
} else {
$bulk_group_ids = array();
}
foreach ( $bulk_post_ids as $bulk_post_id ) {
$post_group_settings = learndash_get_post_group_membership_settings( $bulk_post_id );
if ( ( isset( $_GET['learndash_groups_membership']['compare'] ) ) && ( ! empty( $_GET['learndash_groups_membership']['compare'] ) ) ) {
if ( 'all' === strtolower( $_GET['learndash_groups_membership']['compare'] ) ) {
$post_group_settings['groups_membership_compare'] = 'ALL';
} elseif ( 'any' === strtolower( $_GET['learndash_groups_membership']['compare'] ) ) {
$post_group_settings['groups_membership_compare'] = 'ANY';
}
}
if ( ( is_post_type_hierarchical( $typenow ) ) && ( isset( $_GET['learndash_groups_membership']['children'] ) ) && ( ! empty( $_GET['learndash_groups_membership']['children'] ) ) ) {
if ( 'yes' === strtolower( $_GET['learndash_groups_membership']['children'] ) ) {
$post_group_settings['groups_membership_children'] = 'on';
} elseif ( 'no' === strtolower( $_GET['learndash_groups_membership']['children'] ) ) {
$post_group_settings['groups_membership_children'] = '';
}
}
if ( ( isset( $_GET['learndash_groups_membership']['action'] ) ) && ( ! empty( $_GET['learndash_groups_membership']['action'] ) ) ) {
if ( 'replace' === $_GET['learndash_groups_membership']['action'] ) {
$post_group_settings['groups_membership_groups'] = $bulk_group_ids;
} elseif ( 'add' === $_GET['learndash_groups_membership']['action'] ) {
$post_group_settings['groups_membership_groups'] = array_merge( $post_group_settings['groups_membership_groups'], $bulk_group_ids );
$post_group_settings['groups_membership_groups'] = array_unique( $post_group_settings['groups_membership_groups'] );
} elseif ( 'remove' === $_GET['learndash_groups_membership']['action'] ) {
if ( ! empty( $bulk_group_ids ) ) {
$post_group_settings['groups_membership_groups'] = array_diff( $post_group_settings['groups_membership_groups'], $bulk_group_ids );
} else {
$post_group_settings['groups_membership_groups'] = array();
}
}
}
learndash_set_post_group_membership_settings( $bulk_post_id, $post_group_settings );
}
}
/**
* Get Group Membership post metabox instance.
*
* @since 3.2.0
*/
protected function get_metabox_instance() {
if ( is_null( $this->mb_instance ) ) {
require_once LEARNDASH_LMS_PLUGIN_DIR . 'includes/settings/settings-metaboxes/class-ld-settings-metabox-group-membership-post-settings.php';
$this->mb_instance = LearnDash_Settings_Metabox_Group_Membership_Post_Settings::add_metabox_instance();
}
return $this->mb_instance;
}
/**
* Initialize runtime vars.
*
* @since 3.2.0
*/
protected function init_vars() {
$this->vars['post_id'] = get_the_ID();
if ( ! empty( $this->vars['post_id'] ) ) {
$this->vars['post'] = get_post( $this->vars['post_id'] );
}
if ( is_user_logged_in() ) {
$this->vars['user_id'] = get_current_user_id();
if ( ! empty( $this->vars['user_id'] ) ) {
$this->vars['user'] = get_user_by( 'ID', $this->vars['user_id'] );
}
} else {
$this->vars['user_id'] = 0;
}
if ( ( ! is_admin() ) && ( isset( $_GET['ld_debug'] ) ) ) {
$this->vars['debug'] = true;
} else {
$this->vars['debug'] = false;
}
$this->vars['debug_messages'] = array();
}
/**
* Add debug message to array.
*
* @since 3.2.0
*
* @param string $message Message text to add.
*/
protected function add_debug_message( $message = '' ) {
if ( ( isset( $this->vars['debug'] ) ) && ( true === $this->vars['debug'] ) ) {
$this->vars['debug_messages'][] = $message;
}
}
/**
* Output debug message.
*
* @since 3.2.0
*/
protected function output_debug_messages() {
if ( ( isset( $this->vars['debug'] ) ) && ( true === $this->vars['debug'] ) && ( ! empty( $this->vars['debug_messages'] ) ) ) {
echo '<code>';
echo implode( '<br />', array_map( 'wp_kses_post', $this->vars['debug_messages'] ) );
echo '<br /></code><br />';
}
}
/**
* Load the Groups Membership Global settings
*
* @since 3.2.0
*/
protected function init_global_settings() {
if ( is_null( $this->global_setting ) ) {
$this->global_setting = LearnDash_Settings_Section::get_section_settings_all( 'LearnDash_Settings_Groups_Membership' );
}
if ( ! isset( $this->global_setting['groups_membership_enabled'] ) ) {
$this->global_setting['groups_membership_enabled'] = '';
}
if ( ! isset( $this->global_setting['groups_membership_message'] ) ) {
$this->global_setting['groups_membership_message'] = '';
}
if ( ! isset( $this->global_setting['groups_membership_post_types'] ) ) {
$this->global_setting['groups_membership_post_types'] = array();
}
if ( ! isset( $this->global_setting['groups_membership_user_roles'] ) ) {
$this->global_setting['groups_membership_user_roles'] = array();
}
}
/**
* Get the managed membership post types.
*
* @since 3.2.0
*/
protected function get_global_included_post_types() {
$included_post_types = array();
$this->init_global_settings();
if ( ! empty( $this->global_setting['groups_membership_enabled'] ) ) {
if ( ( is_array( $this->global_setting['groups_membership_post_types'] ) ) && ( ! empty( $this->global_setting['groups_membership_post_types'] ) ) ) {
$included_post_types = $this->global_setting['groups_membership_post_types'];
}
}
return $included_post_types;
}
/**
* Get Group Membership excluded user roles.
*
* @since 3.2.0
*/
protected function get_excluded_user_roles() {
$excluded_user_roles = array();
$this->init_global_settings();
if ( ! empty( $this->global_setting['groups_membership_enabled'] ) ) {
if ( ( is_array( $this->global_setting['groups_membership_user_roles'] ) ) && ( ! empty( $this->global_setting['groups_membership_user_roles'] ) ) ) {
$excluded_user_roles = $this->global_setting['groups_membership_user_roles'];
}
}
return $excluded_user_roles;
}
/**
* Get Group Membership access denied message.
*
* @since 3.2.0
*/
protected function get_access_denied_message() {
static $inline_css_loaded = false;
$access_denied_message = '';
$this->init_global_settings();
if ( ! empty( $this->global_setting['groups_membership_enabled'] ) ) {
$access_denied_message = $this->global_setting['groups_membership_message'];
if ( ( learndash_is_active_theme( 'ld30' ) ) && ( function_exists( 'learndash_get_template_part' ) ) ) {
/**
* Filter to show alert message box used in LD30 templates.
*
* @since 3.2.0
*
* @param boolean $show_alert true.
* @param int $post_id Current Post ID.
* @param int $user_id Current User ID.
* @return boolean True to process template. Anything else to abort.
*/
if ( true === apply_filters( 'learndash_group_membership_access_denied_show_ld30_alert', true, $this->vars['post_id'], $this->vars['user_id'] ) ) {
if ( false === $inline_css_loaded ) {
$inline_css_loaded = true;
$css_front_file_content = '.learndash-wrapper .ld-alert a.ld-button.learndash-group-membership-link { text-decoration: none !important; }';
wp_add_inline_style( 'learndash-front-group-membership', $css_front_file_content );
}
$alert = array(
'icon' => 'alert',
'message' => $access_denied_message,
'type' => 'warning',
);
if ( ( 1 === count( $this->post_setting['groups_membership_groups'] ) ) && ( 'yes' === LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Groups_CPT', 'public' ) ) ) {
$alert['button'] = array(
'url' => get_permalink( $this->post_setting['groups_membership_groups'][0] ),
'class' => 'learndash-link-previous-incomplete learndash-group-membership-link',
'label' => sprintf(
// translators: placeholder: Group.
esc_html_x( 'View %s', 'placeholder: Group', 'learndash' ),
learndash_get_custom_label( 'group' )
),
);
}
$access_denied_message = learndash_get_template_part( 'modules/alert.php', $alert, false );
$access_denied_message = '<div class="learndash-wrapper">' . $access_denied_message . '</div>';
}
}
}
return $access_denied_message;
}
/**
* Get Group Membership Post metabox setting
*
* @since 3.2.0
*
* @param integer $post_id Post ID to get settings for.
*
* @return array of settings.
*/
protected function init_post_settings( $post_id = 0 ) {
$this->post_setting = learndash_get_post_group_membership_settings( $post_id );
return $this->post_setting;
}
/**
* Get the managed membership post groups.
*
* @since 3.2.0
*
* @param integer $post_id Post ID to get settings for.
*
* @return array of post groups.
*/
protected function get_post_included_groups( $post_id = 0 ) {
$included_post_groups = array();
if ( ! empty( $post_id ) ) {
$this->init_post_settings( $post_id );
if ( ! empty( $this->post_setting['groups_membership_enabled'] ) ) {
if ( ( is_array( $this->post_setting['groups_membership_groups'] ) ) && ( ! empty( $this->post_setting['groups_membership_groups'] ) ) ) {
$included_post_groups = $this->post_setting['groups_membership_groups'];
}
}
}
$this->add_debug_message( __FUNCTION__ . ': post_id [' . $post_id . '] post included groups [' . implode( ', ', $included_post_groups ) . ']' );
return $included_post_groups;
}
/**
* Get the managed membership post groups compare.
*
* @since 3.2.0
*
* @param integer $post_id Post ID to get settings for.
*
* @return array of post groups.
*/
protected function get_post_groups_compare( $post_id = 0 ) {
$post_groups_compare = '';
if ( ! empty( $post_id ) ) {
$this->init_post_settings( $post_id );
if ( ! empty( $this->post_setting['groups_membership_enabled'] ) ) {
$post_groups_compare = $this->post_setting['groups_membership_compare'];
}
}
$this->add_debug_message( __FUNCTION__ . ': post_id [' . $post_id . '] post groups compare[' . $post_groups_compare . ']' );
return $post_groups_compare;
}
/**
* Check if post type is managed by membership logic.
*
* @since 3.2.0
*
* @param string $post_type Post type slug to check.
*/
protected function is_included_post_type( $post_type = '' ) {
if ( ( ! empty( $post_type ) ) && ( in_array( $post_type, $this->get_global_included_post_types(), true ) ) ) {
$this->add_debug_message( __FUNCTION__ . ': post_type [' . $post_type . '] is included.' );
return true;
}
$this->add_debug_message( __FUNCTION__ . ': post_type [' . $post_type . '] NOT included.' );
}
/**
* Check if user_role is excluded by membership logic.
*
* @since 3.2.0
*
* @param integer $user_id User ID.
*/
protected function is_excluded_user_role( $user_id = 0 ) {
$this->add_debug_message( __FUNCTION__ . ': user_id [' . $user_id . '] ' );
if ( ! empty( $user_id ) ) {
$user = get_user_by( 'ID', $user_id );
if ( ( is_object( $user ) ) && ( property_exists( $user, 'roles' ) ) && ( ! empty( $user->roles ) ) ) {
$user_roles = array_map( 'esc_attr', $user->roles );
$excluded_user_roles = $this->get_excluded_user_roles();
$excluded_user_roles = array_map( 'esc_attr', $excluded_user_roles );
if ( ! empty( $excluded_user_roles ) ) {
$this->add_debug_message( __FUNCTION__ . ': user_roles [' . implode( ', ', $user_roles ) . '] excluded_roles [' . implode( ', ', $excluded_user_roles ) . ']' );
if ( array_intersect( $user_roles, $excluded_user_roles ) ) {
$this->add_debug_message( __FUNCTION__ . ': user role excluded.' );
return true;
}
$this->add_debug_message( __FUNCTION__ . ': user role NOT excluded.' );
}
}
}
}
/**
* Check if Post is enabled and if the post type is included in the global settings.
*
* @since 3.2.0
*
* @param integer $post_id Post ID.
*
* @return boolean
*/
protected function is_post_blocked( $post_id = 0 ) {
$this->add_debug_message( __FUNCTION__ . ': post_id [' . $post_id . ']' );
if ( is_preview() || is_admin() ) {
$this->add_debug_message( __FUNCTION__ . ': is_preview or is_admin true. aborting.' );
return false;
}
if ( ! empty( $post_id ) ) {
$this->init_post_settings( $post_id );
if ( $this->is_included_post_type( get_post_type( $post_id ) ) ) {
if ( ( ! empty( $this->post_setting['groups_membership_enabled'] ) ) && ( ! empty( $this->post_setting['groups_membership_groups'] ) ) ) {
$this->add_debug_message( __FUNCTION__ . ': post type [' . get_post_type( $post_id ) . '] is under membership control.' );
return true;
}
}
$this->add_debug_message( __FUNCTION__ . ': post type [' . get_post_type( $post_id ) . '] not under membership control. bypassed' );
}
return false;
}
/**
* Check if User enrolled groups against Post and Membership settings.
*
* @since 3.2.0
*
* @param integer $post_id Post ID.
* @param integer $user_id USer ID.
*
* @return boolean
*/
protected function is_user_blocked( $post_id = 0, $user_id = 0 ) {
if ( ! empty( $post_id ) ) {
$this->init_post_settings( $post_id );
if ( ! empty( $user_id ) ) {
if ( $this->is_excluded_user_role( $user_id ) ) {
$this->add_debug_message( __FUNCTION__ . ': user role excluded. bypassed.' );
return false;
} else {
$this->add_debug_message( __FUNCTION__ . ': user role not excluded. blocked.' );
}
if ( $this->is_user_in_post_groups( $post_id, $user_id ) ) {
$this->add_debug_message( __FUNCTION__ . ': user in post groups. bypassed.' );
return false;
} else {
$this->add_debug_message( __FUNCTION__ . ': user not in post groups. blocked.' );
}
} else {
$post_groups = $this->get_post_included_groups( $post_id );
if ( empty( $post_groups ) ) {
$this->add_debug_message( __FUNCTION__ . ': empty post groups. bypassed.' );
return false;
} else {
$this->add_debug_message( __FUNCTION__ . ': empty user. post groups exists. blocked.' );
}
}
return true;
}
return true;
}
/**
* Check if user if in the associated post membership groups.
*
* @since 3.2.0
*
* @param integer $post_id Post ID.
* @param integer $user_id User ID.
*/
protected function is_user_in_post_groups( $post_id = 0, $user_id = 0 ) {
if ( ( ! empty( $user_id ) ) && ( ! empty( $post_id ) ) ) {
$this->init_post_settings( $post_id );
$post_groups = $this->get_post_included_groups( $post_id );
$post_groups = array_map( 'absint', $post_groups );
if ( ! empty( $post_groups ) ) {
$user_groups = learndash_get_users_group_ids( $user_id );
$user_groups = array_map( 'absint', $user_groups );
if ( ! empty( $user_groups ) ) {
$groups_compare = $this->get_post_groups_compare( $post_id );
$common_groups = array_intersect( $user_groups, $post_groups );
if ( 'ANY' === $groups_compare ) {
if ( ! empty( $common_groups ) ) {
$this->add_debug_message( __FUNCTION__ . ': user is in ANY groups.' );
return true;
}
$this->add_debug_message( __FUNCTION__ . ': user not in ANY groups.' );
} elseif ( 'ALL' === $groups_compare ) {
if ( empty( array_diff( $common_groups, $post_groups ) ) && empty( array_diff( $post_groups, $common_groups ) ) ) {
$this->add_debug_message( __FUNCTION__ . ': user is in ALL groups.' );
return true;
}
$this->add_debug_message( __FUNCTION__ . ': user not in ALL groups.' );
}
} else {
$this->add_debug_message( __FUNCTION__ . ': user groups empty.' );
}
}
}
}
/**
* Called when the Post is Added or Edited.
*
* @since 3.2.0
*/
public function on_load() {
global $typenow;
if ( $this->is_included_post_type( $typenow ) ) {
add_action( 'save_post', array( $this, 'save_post' ), 10, 3 );
$this->get_metabox_instance();
}
}
/**
* Called when the Post is Saved.
*
* @since 3.2.0
*
* @param integer $post_id Post ID.
* @param object $post WP_Post instance.
* @param boolean $update If update to post.
*/
public function save_post( $post_id = 0, $post = null, $update = null ) {
if ( $this->is_included_post_type( $post->post_type ) ) {
$mb_instance = $this->get_metabox_instance();
$mb_instance->save_post_meta_box( $post_id, $post, $update );
}
return true;
}
/**
* Start the logic to filter the content.
*
* @since 3.2.0
*
* @param string/HTML $content The Post content.
*/
public function the_content_filter( $content ) {
if ( is_preview() || is_admin() ) {
return $content;
}
$this->init_vars();
if ( ( ! isset( $this->vars['post'] ) ) || ( ! is_a( $this->vars['post'], 'WP_Post' ) ) ) {
return $content;
}
$post_blocked = $this->is_post_blocked( $this->vars['post_id'] );
$user_blocked = $this->is_user_blocked( $this->vars['post_id'], $this->vars['user_id'] );
$this->add_debug_message( __FUNCTION__ . ': post_blocked[' . $post_blocked . '] user_blocked[' . $user_blocked . ']' );
if ( ( true === $post_blocked ) && ( true === $user_blocked ) ) {
$this->add_debug_message( __FUNCTION__ . ': blocked.' );
$this->output_debug_messages();
return $this->get_access_denied_message();
} else {
$this->add_debug_message( __FUNCTION__ . ': not blocked.' );
$this->output_debug_messages();
return $content;
}
}
// End of functions.
}
add_action(
'init',
function() {
LD_Groups_Membership::get_instance();
},
10,
1
);
}
/**
* Utility function to get the post group membership settings.
*
* @since 3.2.0
*
* @param integer $post_id Post ID.
* @return array Array of settings.
*/
function learndash_get_post_group_membership_settings( $post_id = 0 ) {
$learndash_settings = array();
if ( ! empty( $post_id ) ) {
$is_hierarchical = is_post_type_hierarchical( get_post_type( $post_id ) );
$learndash_settings['groups_membership_enabled'] = get_post_meta( $post_id, '_ld_groups_membership_enabled', true );
$learndash_settings['groups_membership_compare'] = get_post_meta( $post_id, '_ld_groups_membership_compare', true );
$learndash_settings['groups_membership_groups'] = learndash_get_post_group_membership_groups( $post_id );
if ( ( ! isset( $learndash_settings['groups_membership_enabled'] ) ) || ( 'on' !== $learndash_settings['groups_membership_enabled'] ) ) {
$learndash_settings['groups_membership_enabled'] = '';
}
if ( ( ! isset( $learndash_settings['groups_membership_compare'] ) ) || ( empty( $learndash_settings['groups_membership_compare'] ) ) ) {
$learndash_settings['groups_membership_compare'] = 'ANY';
}
if ( ! isset( $learndash_settings['groups_membership_groups'] ) ) {
$learndash_settings['groups_membership_groups'] = array();
}
if ( ( 'on' === $learndash_settings['groups_membership_enabled'] ) && ( true === $is_hierarchical ) ) {
$learndash_settings['groups_membership_children'] = get_post_meta( $post_id, '_ld_groups_membership_children', true );
if ( ( ! isset( $learndash_settings['groups_membership_children'] ) ) || ( 'on' !== $learndash_settings['groups_membership_children'] ) ) {
$learndash_settings['groups_membership_children'] = '';
}
} else {
$learndash_settings['groups_membership_children'] = '';
}
if ( ( ! empty( $learndash_settings['groups_membership_groups'] ) ) && ( 'on' === $learndash_settings['groups_membership_enabled'] ) ) {
$learndash_settings['groups_membership_groups'] = learndash_validate_groups( $learndash_settings['groups_membership_groups'] );
if ( empty( $learndash_settings['groups_membership_groups'] ) ) {
$learndash_settings['groups_membership_enabled'] = '';
$learndash_settings['groups_membership_children'] = '';
}
} else {
$learndash_settings['groups_membership_enabled'] = '';
$learndash_settings['groups_membership_groups'] = array();
$learndash_settings['groups_membership_children'] = '';
}
if ( ( empty( $learndash_settings['groups_membership_enabled'] ) ) && ( true === $is_hierarchical ) ) {
$parents_post_id = wp_get_post_parent_id( $post_id );
if ( ! empty( $parents_post_id ) ) {
$parent_settings = learndash_get_post_group_membership_settings( $parents_post_id );
if ( ( isset( $parent_settings['groups_membership_enabled'] ) ) && ( 'on' === $parent_settings['groups_membership_enabled'] ) ) {
if ( ( isset( $parent_settings['groups_membership_children'] ) ) && ( 'on' === $parent_settings['groups_membership_children'] ) ) {
$parent_settings['groups_membership_parent'] = absint( $parents_post_id );
$learndash_settings = $parent_settings;
}
}
}
}
}
return $learndash_settings;
}
/**
* Utility function to set the post group membership settings.
*
* @since 3.2.0
*
* @param integer $post_id Post ID.
* @param array $settings Array of settings.
*/
function learndash_set_post_group_membership_settings( $post_id = 0, $settings = array() ) {
if ( ! empty( $post_id ) ) {
$default_settings = array(
'groups_membership_enabled' => '',
'groups_membership_children' => '',
'groups_membership_compare' => 'ANY',
'groups_membership_groups' => array(),
);
$settings = wp_parse_args( $settings, $default_settings );
if ( empty( $settings['groups_membership_compare'] ) ) {
$settings['groups_membership_compare'] = 'ANY';
}
if ( ! is_array( $settings['groups_membership_groups'] ) ) {
$settings['groups_membership_groups'] = array();
} elseif ( ! empty( $settings['groups_membership_groups'] ) ) {
$settings['groups_membership_groups'] = array_map( 'absint', $settings['groups_membership_groups'] );
}
if ( ! empty( $settings['groups_membership_groups'] ) ) {
$settings['groups_membership_enabled'] = 'on';
} else {
$settings['groups_membership_enabled'] = '';
$settings['groups_membership_children'] = '';
$settings['groups_membership_compare'] = '';
}
foreach ( $settings as $_key => $_val ) {
if ( 'groups_membership_groups' === $_key ) {
learndash_set_post_group_membership_groups( $post_id, $_val );
} else {
if ( empty( $_val ) ) {
delete_post_meta( $post_id, '_ld_' . $_key );
} else {
update_post_meta( $post_id, '_ld_' . $_key, $_val );
}
}
}
}
}
/**
* Get the Groups related to the Post for Group Membership.
*
* @since 3.2.0
*
* @param integer $post_id Post ID.
* @return array Array of settings.
*/
function learndash_get_post_group_membership_groups( $post_id = 0 ) {
$group_ids = array();
$post_id = absint( $post_id );
if ( ! empty( $post_id ) ) {
$post_meta = get_post_meta( $post_id );
if ( ! empty( $post_meta ) ) {
foreach ( $post_meta as $meta_key => $meta_set ) {
if ( '_ld_groups_membership_group_' == substr( $meta_key, 0, strlen( '_ld_groups_membership_group_' ) ) ) {
$group_id = str_replace( '_ld_groups_membership_group_', '', $meta_key );
$group_id = absint( $group_id );
if ( learndash_get_post_type_slug( 'group' ) === get_post_type( $group_id ) ) {
$group_ids[] = $group_id;
}
}
}
}
}
return $group_ids;
}
/**
* Set the Groups related to the Post for Group Membership.
*
* @since 3.2.0
*
* @param int $post_id Post ID to update.
* @param array $groups_new Array of group IDs to set for the Post ID. Can be empty.
*/
function learndash_set_post_group_membership_groups( $post_id = 0, $groups_new = array() ) {
$post_id = absint( $post_id );
if ( ! is_array( $groups_new ) ) {
$groups_new = array();
} elseif ( ! empty( $groups_new ) ) {
$groups_new = array_map( 'absint', $groups_new );
}
if ( ! empty( $post_id ) ) {
$groups_old = learndash_get_post_group_membership_groups( $post_id );
if ( ! is_array( $groups_old ) ) {
$groups_old = array();
} elseif ( ! empty( $groups_old ) ) {
$groups_old = array_map( 'absint', $groups_old );
}
$groups_intersect = array_intersect( $groups_new, $groups_old );
$groups_add = array_diff( $groups_new, $groups_intersect );
if ( ! empty( $groups_add ) ) {
foreach ( $groups_add as $group_id ) {
add_post_meta( $post_id, '_ld_groups_membership_group_' . $group_id, time() );
}
}
$groups_remove = array_diff( $groups_old, $groups_intersect );
if ( ! empty( $groups_remove ) ) {
foreach ( $groups_remove as $group_id ) {
delete_post_meta( $post_id, '_ld_groups_membership_group_' . $group_id );
}
}
}
}