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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly!
}
if ( ! class_exists( 'WPSC_Ticket_Conditions' ) ) :
final class WPSC_Ticket_Conditions {
/**
* Ticket conditions
*
* @var array
*/
public static $conditions = array();
/**
* Ignore custom field types to match for email piping rules
*
* @var array
*/
public static $ignore_cft = array();
/**
* Initialize the class
*
* @return void
*/
public static function init() {
add_action( 'init', array( __CLASS__, 'load_ticket_conditions' ) );
add_action( 'wp_ajax_wpsc_tc_get_operators', array( __CLASS__, 'get_operators' ) );
add_action( 'wp_ajax_nopriv_wpsc_tc_get_operators', array( __CLASS__, 'get_operators' ) );
add_action( 'wp_ajax_wpsc_tc_get_operand', array( __CLASS__, 'get_operands' ) );
add_action( 'wp_ajax_nopriv_wpsc_tc_get_operand', array( __CLASS__, 'get_operands' ) );
// ignore custom field types.
add_action( 'init', array( __CLASS__, 'set_ignore_cft_list' ) );
}
/**
* Set ignore custom field types for pipe rules
*
* @return void
*/
public static function set_ignore_cft_list() {
self::$ignore_cft = apply_filters(
'wpsc_ticket_condition_ignore_cft',
array(
'cf_woo_order',
'cf_woo_subscription',
'cf_edd_order',
'cf_tutor_order',
'cf_learnpress_order',
'cf_lifter_order',
)
);
}
/**
* Load ticket conditions along with user permitted to utilize them
*
* @return void
*/
public static function load_ticket_conditions() {
$agent_filters = get_option( 'wpsc-atl-filter-items', array() );
$customer_filters = get_option( 'wpsc-ctl-filter-items', array() );
// custom fields.
foreach ( WPSC_Custom_Field::$custom_fields as $cf ) {
if ( ! (
class_exists( $cf->type ) &&
$cf->type::$is_filter &&
in_array( $cf->field, array( 'ticket', 'agentonly', 'customer' ) )
) ) {
continue;
}
$levels = array( 'admin' );
if ( in_array( $cf->slug, $agent_filters ) ) {
$levels[] = 'agent';
}
if ( in_array( $cf->slug, $customer_filters ) ) {
$levels[] = 'customer';
}
self::$conditions[ $cf->slug ] = array(
'name' => $cf->name,
'type' => 'cf',
'levels' => $levels,
);
}
// custom conditions.
$other_conditions = apply_filters(
'wpsc_ticket_conditions',
array(
'submitted_by' => esc_attr__( 'Ticket submitted by', 'supportcandy' ),
'user_role' => esc_attr__( 'WP user role', 'supportcandy' ),
)
);
foreach ( $other_conditions as $slug => $name ) {
self::$conditions[ $slug ] = array(
'name' => $name,
'type' => 'other',
'levels' => array( 'admin' ),
);
}
}
/**
* Print condition input in the form
*
* @param string $name - form element name. Helpful to identify if multiple conditions need to be added.
* @param string $hook - filter hook for conditions. Uniquely identify and filter conditions available in the form.
* @param string $set_conditions - pre-defined conditions to print within input.
* @param boolean $is_required - whether or not to print required character for label.
* @param string $label - whether or not to print required character for label.
* @return void
*/
public static function print( $name, $hook, $set_conditions = '', $is_required = false, $label = '' ) {
$label = $label ? $label : __( 'Conditions', 'supportcandy' );
$conditions = apply_filters( $hook, self::$conditions );
$set_conditions = $set_conditions ? json_decode( html_entity_decode( $set_conditions ), true ) : array();
$unique_id = wp_unique_id( 'wpsc_' );
?>
<div class="wpsc-input-group">
<div class="label-container">
<label for="">
<?php
echo esc_attr( $label );
if ( $is_required ) {
?>
<span class="required-char">*</span>
<?php
}
?>
</label>
</div>
<div class="wpsc-form-filter-container <?php echo esc_attr( $name ); ?>">
<div class="and-container">
<?php
if ( $set_conditions ) {
foreach ( $set_conditions as $and_condition ) {
?>
<div class="and-item">
<div class="or-container">
<?php
foreach ( $and_condition as $or_condition ) {
if ( ! isset( $conditions[ $or_condition['slug'] ] ) ) {
continue;
}
?>
<div class="wpsc-form-filter-item">
<div class="content">
<div class="item">
<select class="filter" onchange="wpsc_tc_get_operators(this, '<?php echo esc_attr( wp_create_nonce( 'wpsc_tc_get_operators' ) ); ?>');">
<option value=""><?php esc_attr_e( 'Select field', 'supportcandy' ); ?></option>
<?php
foreach ( $conditions as $slug => $item ) {
?>
<option value="<?php echo esc_attr( $slug ); ?>" <?php selected( $or_condition['slug'], $slug, true ); ?>><?php echo esc_attr( $item['name'] ); ?></option>
<?php
}
?>
</select>
</div>
<?php
if ( $conditions[ $or_condition['slug'] ]['type'] == 'cf' ) {
$cf = WPSC_Custom_Field::get_cf_by_slug( $or_condition['slug'] );
$cf->type::get_operators( $cf, $or_condition );
$cf->type::get_operands( $or_condition['operator'], $cf, $or_condition );
} else {
self::print_operators( $or_condition['slug'], $or_condition );
self::print_operands( $or_condition['slug'], $or_condition['operator'], $or_condition );
}
?>
</div>
<div class="remove-container">
<span onclick="wpsc_remove_condition_item(this)"><?php WPSC_Icons::get( 'times-circle' ); ?></span>
</div>
</div>
<?php
}
?>
</div>
<button class="wpsc-button small secondary" onclick="wpsc_add_or_condition( this, '<?php echo esc_attr( $unique_id ); ?>' );"><?php esc_html_e( '+ OR', 'supportcandy' ); ?></button>
</div>
<?php
}
}
?>
</div>
<button class="wpsc-button small secondary" onclick="wpsc_add_and_condition( this, '<?php echo esc_attr( $unique_id ); ?>' );"><?php esc_html_e( '+ AND', 'supportcandy' ); ?></button>
</div>
<script>jQuery( '.wpsc-form-filter-container select.filter' ).selectWoo();</script>
<div style="display: none;">
<div class="and-template <?php echo esc_attr( $unique_id ); ?>">
<div class="and-item">
<div class="or-container"></div>
<button class="wpsc-button small secondary" onclick="wpsc_add_or_condition( this, '<?php echo esc_attr( $unique_id ); ?>' );"><?php esc_html_e( '+ OR', 'supportcandy' ); ?></button>
</div>
</div>
<div class="or-template <?php echo esc_attr( $unique_id ); ?>">
<div class="wpsc-form-filter-item">
<div class="content">
<div class="item">
<select class="filter" onchange="wpsc_tc_get_operators(this, '<?php echo esc_attr( wp_create_nonce( 'wpsc_tc_get_operators' ) ); ?>');">
<option value=""><?php esc_attr_e( 'Select field', 'supportcandy' ); ?></option>
<?php
foreach ( $conditions as $slug => $item ) {
?>
<option value="<?php echo esc_attr( $slug ); ?>"><?php echo esc_attr( $item['name'] ); ?></option>
<?php
}
?>
</select>
</div>
</div>
<div class="remove-container">
<span onclick="wpsc_remove_condition_item(this)"><?php WPSC_Icons::get( 'times-circle' ); ?></span>
</div>
</div>
</div>
</div>
</div>
<?php
}
/**
* Check whether or not conditions submitted by client are valid or not before inserting into the database or any further use
*
* @param string $hook - filter hook for conditions. Uniquely identify and filter conditions available in the form.
* @param string $conditions - conditions received from the client.
* @return boolean
*/
public static function is_valid_input_conditions( $hook, $conditions ) {
// No conditions.
if ( ! $conditions || $conditions == '[]' ) {
return true;
}
$allowed_conditions = apply_filters( $hook, self::$conditions );
$conditions = json_decode( html_entity_decode( $conditions ), true );
foreach ( $conditions as $and_condition ) {
foreach ( $and_condition as $or_condition ) {
if ( ! isset( $allowed_conditions[ $or_condition['slug'] ] ) ) {
return false;
}
}
}
return true;
}
/**
* Get condition operators ajax callback.
*
* @return void
*/
public static function get_operators() {
$current_user = WPSC_Current_User::$current_user;
if ( check_ajax_referer( 'wpsc_tc_get_operators', '_ajax_nonce', false ) != 1 ) {
wp_send_json_error( 'Unauthorised request!', 401 );
}
$slug = isset( $_POST['slug'] ) ? sanitize_text_field( wp_unslash( $_POST['slug'] ) ) : '';
if ( ! $slug || ! array_key_exists( $slug, self::$conditions ) ) {
wp_send_json_error( __( 'Bad request!', 'supportcandy' ), 400 );
}
if ( ! in_array( $current_user->level, self::$conditions[ $slug ]['levels'] ) ) {
wp_send_json_error( 'Unauthorised request!', 401 );
}
if ( self::$conditions[ $slug ]['type'] == 'cf' ) {
$cf = WPSC_Custom_Field::get_cf_by_slug( $slug );
$cf->type::get_operators( $cf );
} else {
self::print_operators( $slug );
}
wp_die();
}
/**
* Print condition operators
*
* @param string $slug - condition slug.
* @param array $filter - predefined condition to set operator.
* @return void
*/
public static function print_operators( $slug, $filter = array() ) {
switch ( $slug ) {
case 'submitted_by':
?>
<div class="item conditional">
<select class="operator" onchange="wpsc_tc_get_operand(this, '<?php echo esc_attr( $slug ); ?>', '<?php echo esc_attr( wp_create_nonce( 'wpsc_tc_get_operand' ) ); ?>');">
<option value=""><?php esc_attr_e( 'Compare As', 'supportcandy' ); ?></option>
<option <?php isset( $filter['operator'] ) && selected( $filter['operator'], '=' ); ?> value="="><?php esc_attr_e( 'Equals', 'supportcandy' ); ?></option>
</select>
</div>
<?php
break;
case 'user_role':
?>
<div class="item conditional">
<select class="operator" onchange="wpsc_tc_get_operand(this, '<?php echo esc_attr( $slug ); ?>', '<?php echo esc_attr( wp_create_nonce( 'wpsc_tc_get_operand' ) ); ?>');">
<option value=""><?php esc_attr_e( 'Compare As', 'supportcandy' ); ?></option>
<option <?php isset( $filter['operator'] ) && selected( $filter['operator'], '=' ); ?> value="="><?php esc_attr_e( 'Equals', 'supportcandy' ); ?></option>
<option <?php isset( $filter['operator'] ) && selected( $filter['operator'], 'IN' ); ?> value="IN"><?php esc_attr_e( 'Matches', 'supportcandy' ); ?></option>
<option <?php isset( $filter['operator'] ) && selected( $filter['operator'], 'NOT IN' ); ?> value="NOT IN"><?php esc_attr_e( 'Not Matches', 'supportcandy' ); ?></option>
</select>
</div>
<?php
break;
default:
do_action( 'wpsc_tc_print_operators', $slug, $filter );
}
}
/**
* Get condition operands ajax callback.
*
* @return void
*/
public static function get_operands() {
$current_user = WPSC_Current_User::$current_user;
if ( check_ajax_referer( 'wpsc_tc_get_operand', '_ajax_nonce', false ) != 1 ) {
wp_send_json_error( 'Unauthorised request!', 401 );
}
$slug = isset( $_POST['slug'] ) ? sanitize_text_field( wp_unslash( $_POST['slug'] ) ) : '';
if ( ! $slug || ! array_key_exists( $slug, self::$conditions ) ) {
wp_send_json_error( __( 'Bad request!', 'supportcandy' ), 400 );
}
if ( ! in_array( $current_user->level, self::$conditions[ $slug ]['levels'] ) ) {
wp_send_json_error( 'Unauthorised request!', 401 );
}
$operator = isset( $_POST['operator'] ) ? sanitize_text_field( wp_unslash( $_POST['operator'] ) ) : '';
if ( ! $operator ) {
wp_send_json_error( __( 'Bad request!', 'supportcandy' ), 400 );
}
if ( self::$conditions[ $slug ]['type'] == 'cf' ) {
$cf = WPSC_Custom_Field::get_cf_by_slug( $slug );
$cf->type::get_operands( $operator, $cf );
} else {
self::print_operands( $slug, $operator );
}
wp_die();
}
/**
* Print condition operands
*
* @param string $slug - condition slug.
* @param string $operator - operator string.
* @param array $filter - predefined condition to set operand.
* @return void
*/
public static function print_operands( $slug, $operator, $filter = array() ) {
global $wp_roles;
switch ( $slug ) {
case 'submitted_by':
?>
<div class="item conditional operand single">
<select
class="operand_val_1">
<option <?php isset( $filter['operand_val_1'] ) && selected( $filter['operand_val_1'], 'user' ); ?> value="user"><?php esc_attr_e( 'User', 'supportcandy' ); ?></option>
<option <?php isset( $filter['operand_val_1'] ) && selected( $filter['operand_val_1'], 'agent' ); ?> value="agent"><?php esc_attr_e( 'Agent', 'supportcandy' ); ?></option>
</select>
</div>
<?php
break;
case 'user_role':
$is_multiple = $operator !== '=' ? true : false;
$unique_id = uniqid( 'wpsc_' );
?>
<div class="item conditional operand single">
<select
class="operand_val_1 <?php echo esc_attr( $unique_id ); ?>" <?php echo $is_multiple ? 'multiple' : ''; ?>>
<?php
foreach ( $wp_roles->roles as $key => $role ) {
$selected = '';
if ( isset( $filter['operand_val_1'] ) && ( ( $is_multiple && in_array( $key, $filter['operand_val_1'] ) ) || ( ! $is_multiple && $key == $filter['operand_val_1'] ) ) ) {
$selected = 'selected="selected"';
}
?>
<option <?php echo esc_attr( $selected ); ?> value="<?php echo esc_attr( $key ); ?>"><?php echo esc_attr( $role['name'] ); ?></option>
<?php
}
?>
</select>
</div>
<script>jQuery('.operand_val_1.<?php echo esc_attr( $unique_id ); ?>').selectWoo();</script>
<?php
break;
default:
do_action( 'wpsc_tc_print_operand', $slug, $operator, $filter );
}
}
/**
* Get meta query for the given conditions
*
* @param string $conditions - conditions json from database.
* @param string $is_user_query - check if it needs to check the permission of the filter of current user. e.g. custom filters, saved filters need to check permissions but default filters need not.
* @return array
*/
public static function get_meta_query( $conditions, $is_user_query = false ) {
$current_user = WPSC_Current_User::$current_user;
$meta_query = array();
$conditions = $conditions ? json_decode( html_entity_decode( $conditions ), true ) : array();
if ( ! $conditions ) {
return $meta_query;
}
foreach ( $conditions as $and_condition ) {
$temp = array();
foreach ( $and_condition as $or_condition ) {
if (
! isset( self::$conditions[ $or_condition['slug'] ] ) ||
( $is_user_query && ! in_array( $current_user->level, self::$conditions[ $or_condition['slug'] ]['levels'] ) )
) {
continue;
}
$cf = WPSC_Custom_Field::get_cf_by_slug( $or_condition['slug'] );
$val = $cf->type::get_meta_value( $or_condition );
if ( $val === false ) {
continue;
}
$temp[] = array(
'slug' => $or_condition['slug'],
'compare' => $or_condition['operator'],
'val' => $val,
);
}
if ( $temp ) {
$meta_query[] = array_merge( array( 'relation' => 'OR' ), $temp );
}
}
return $meta_query;
}
/**
* Return whether or not given conditions are satisfied by the given ticket
*
* @param string $conditions - conditions json from database.
* @param WPSC_Ticket $ticket - ticket object.
* @return boolean
*/
public static function is_valid( $conditions, $ticket ) {
$conditions = $conditions ? json_decode( html_entity_decode( $conditions ), true ) : array();
if ( ! $conditions ) {
return true;
}
foreach ( $conditions as $and_condition ) {
$flag = false;
foreach ( $and_condition as $or_condition ) {
if ( ! isset( $or_condition['slug'] ) || ! isset( self::$conditions[ $or_condition['slug'] ] ) ) {
continue;
}
if ( self::$conditions[ $or_condition['slug'] ]['type'] == 'cf' ) {
$cf = WPSC_Custom_Field::get_cf_by_slug( $or_condition['slug'] );
if ( in_array( $cf->type::$slug, self::$ignore_cft ) ) {
continue;
}
if ( $cf->field == 'customer' ) {
$flag = $cf->type::is_valid_customer_condition( $or_condition, $cf, $ticket->customer );
} else {
$flag = $cf->type::is_valid_ticket_condition( $or_condition, $cf, $ticket );
}
} else {
switch ( $or_condition['slug'] ) {
case 'submitted_by':
if (
(
$or_condition['operand_val_1'] == 'agent' &&
is_object( $ticket->agent_created )
) ||
(
$or_condition['operand_val_1'] == 'user' &&
! is_object( $ticket->agent_created )
)
) {
$flag = true;
}
break;
case 'user_role':
$user_roles = $ticket->customer->user->roles;
switch ( $or_condition['operator'] ) {
case '=':
$flag = in_array( $or_condition['operand_val_1'], $user_roles ) ? true : false;
break;
case 'IN':
foreach ( $user_roles as $id ) {
if ( in_array( $id, $or_condition['operand_val_1'] ) ) {
$flag = true;
break;
}
}
break;
case 'NOT IN':
$temp = true;
foreach ( $user_roles as $id ) {
if ( in_array( $id, $or_condition['operand_val_1'] ) ) {
$temp = false;
break;
}
}
$flag = $temp;
break;
}
break;
default:
$flag = apply_filters( 'wpsc_tc_is_valid', $flag, $or_condition['slug'], $or_condition, $ticket );
break;
}
}
// no need to check further OR conditions if this condition is TRUE.
if ( $flag ) {
break;
}
}
// no need to check further AND conditions if this condition is FALSE.
if ( ! $flag ) {
return false;
}
}
// if we make upto this point, all conditions are satisfied.
return true;
}
}
endif;
WPSC_Ticket_Conditions::init();
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