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<?php
/**
* Import & Export page controller class
*/
// Prevent direct call
if ( !defined( 'WPINC' ) ) die;
if ( !class_exists( 'GW_GoPricing' ) ) die;
// Class
class GW_GoPricing_AdminPage_Impex extends GW_GoPricing_AdminPage {
/**
* Register ajax actions
*
* @return void
*/
public function register_ajax_actions( $ajax_action_callback ) {
GW_GoPricing_Admin::register_ajax_action( 'impex', $ajax_action_callback );
GW_GoPricing_Admin::register_ajax_action( 'import', $ajax_action_callback );
}
/**
* Action
*
* @return void
*/
public function action() {
// Create custom nonce
$this->create_nonce( 'impex' );
// Load views if action is empty
if ( empty( $this->action ) ) {
$action = isset( $_GET['action'] ) ? $_GET['action'] : '';
switch ( $action ) {
case 'import':
$tmp_postdata = $this->get_temp_postdata();
if ( empty( $tmp_postdata ) ) {
// Load default view
$this->content( $this->view() );
} else {
// Load import view
$this->content( $this->view( 'import' ) );
}
break;
case 'export':
$tmp_postdata = $this->get_temp_postdata();
if ( empty( $tmp_postdata ) || !isset( $tmp_postdata[0] ) ) {
// Load default view
$this->content( $this->view() );
} else {
// Force download data
$this->export( $tmp_postdata );
}
break;
default:
// Load default view
$this->content( $this->view() );
}
}
// Load views if action is not empty (handle postdata)
if ( !empty( $this->action ) && check_admin_referer( $this->nonce, '_nonce' ) ) {
switch( $this->action ) {
// Default
case 'impex':
if ( !empty( $this->action_type ) ) {
switch( $this->action_type ) {
// Import
case 'import':
add_filter( 'upload_mimes', array( $this, 'restrict_upload_mimes') );
add_filter( 'upload_dir', array( $this, 'set_upload_dir' ) );
$result = $this->validate_import_data( $_FILES );
if ( $result === false ) {
if ( $this->is_ajax === false ) {
wp_redirect( $this->referrer );
exit;
} else {
echo $this->view();
GW_GoPricing_AdminNotices::show();
}
} else {
$this->set_temp_postdata( $result );
if ( $this->is_ajax === false ) {
wp_redirect( add_query_arg( 'action', 'import', $this->referrer ) );
exit;
} else {
echo $this->view( 'import' );
}
}
break;
// Export
case 'export':
$result = $this->validate_export_data( $_POST['export'] );
if ( $result === false ) {
if ( $this->is_ajax === false ) {
wp_redirect( $this->referrer );
exit;
} else {
GW_GoPricing_AdminNotices::show();
}
} else {
$this->set_temp_postdata( $_POST['export'] );
if ( $this->is_ajax === false ) {
wp_redirect( add_query_arg( 'action', 'export', $this->referrer ) );
exit;
} else {
echo '<div id="download_url">' . add_query_arg( array( 'action' => 'export' ), admin_url( 'admin.php?page=go-pricing-import-export' ) ) . '</div>';
}
}
break;
}
}
break;
// Import page
case 'import' :
if ( !empty( $_POST['import'] ) ) {
$this->import( $_POST['import-data'], ( isset( $_POST['replace'] ) ? $_POST['replace'] : false ), $_POST['import'] );
if ( $this->is_ajax === false ) {
wp_redirect( $this->referrer );
exit;
} else {
echo $this->view();
GW_GoPricing_AdminNotices::show();
}
} else {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'Please select tables to import!', 'go_pricing_textdomain' ) );
if ( $this->is_ajax === false ) {
$this->set_temp_postdata( $_POST['import-data'] );
wp_redirect( add_query_arg( 'action', 'import', $this->referrer ) );
exit;
} else {
GW_GoPricing_AdminNotices::show();
}
}
}
}
}
/**
* Load views
*
* @return void
*/
public function view( $view = '', $data = null ) {
ob_start();
switch( $view ) {
case 'export' :
include_once( 'views/page/export.php' );
break;
case 'import' :
include_once( 'views/page/import.php' );
break;
default:
include_once( 'views/page/impex.php' );
};
$view_content = ob_get_clean();
return $view_content;
}
/**
* Validate & export data
*
* @return string | bool
*/
public function validate_export_data( $export_data ) {
if ( empty( $export_data ) ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'There is nothing to export!', 'go_pricing_textdomain' ) );
return false;
} else {
$export_data = $export_data[0] == 'all' ? array() : $export_data;
$result = GW_GoPricing_Data::export( $export_data );
if ( $result === false ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'Oops, something went wrong!', 'go_pricing_textdomain' ) );
return false;
}
}
if ( empty( $export_data ) ) $export_data = 'all';
return $export_data;
}
/**
* Export
*
* @return void | bool
*/
public function export( $export_data ) {
if ( empty( $export_data ) ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'There is nothing to export!', 'go_pricing_textdomain' ) );
return false;
} else {
$export_data = $export_data[0] == 'all' ? array() : $export_data;
$result = GW_GoPricing_Data::export( $export_data );
if ( $result === false ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'Oops, something went wrong!', 'go_pricing_textdomain' ) );
return false;
}
$this->delete_temp_postdata();
if ($result === false) return;
ob_end_clean();
header( 'Pragma: public' );
header( 'Expires: 0' );
header( 'Cache-Control: must-revalidate, post-check=0, pre-check=0' );
header( 'Content-Description: File Transfer' );
header( 'Content-Transfer-Encoding: Binary' );
header( 'Content-type: text/plain' );
header( 'Content-Disposition: attachment; filename="export_' . date( 'd_m_Y_H_i_s' ) . '.txt"' );
header( 'Connection: close' );
echo $result;
ob_end_flush();
exit;
}
}
/**
* Validate & return import data
*
* @return string | bool
*/
public function validate_import_data( $import_data ) {
if ( empty( $import_data ) || empty( $import_data['import-data'] ) || empty( $import_data['import-data']['name'] ) || empty( $import_data['import-data']['tmp_name'] ) || empty( $import_data['import-data']['size'] ) ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'There is nothing to import!', 'go_pricing_textdomain' ) );
return false;
}
if ( !empty( $import_data['import-data']['error'] ) || ( $file_content = @file_get_contents( $_FILES['import-data']['tmp_name'] ) ) === false ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'Oops, something went wrong', 'go_pricing_textdomain' ) );
return false;
}
$file = wp_upload_bits( $_FILES['import-data']['name'], '', $file_content );
if ( empty( $file ) || empty( $file['file'] ) || !empty( $file['error'] ) ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', !empty( $file['error'] ) ? $file['error'] : __( 'Oops, something went wrong!', 'go_pricing_textdomain' ) );
return false;
}
$data = @unserialize( base64_decode( $file_content ) );
if ( $data === false ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'Invalid import data!', 'go_pricing_textdomain' ) );
unlink( $file['file'] );
return false;
}
if ( empty( $data['_info']['db_version'] ) || version_compare( $data['_info']['db_version'], self::$db_version, "!=" ) ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'Import data is not compatible with the current version!', 'go_pricing_textdomain' ) );
unlink( $file['file'] );
return false;
}
unset( $data['_info'] );
foreach( $data as $data_key => $data_val ) {
$result['data'][$data_key ] = $data_val['name'];
}
$result['file'] = $file['file'];
// save uploaded file data into db
$uploads = get_option( self::$plugin_prefix . '_uploads', array() );
$uploads[] = array(
'file' => $result['file'],
'expiration' => gmdate( 'Y-m-d H:i:s', time() + 30 * 60 )
);
update_option( self::$plugin_prefix . '_uploads', $uploads );
return $result;
}
/**
* Import
*
* @return bool
*/
public function import( $file, $override, $ids ) {
$file_content = @file_get_contents( $file );
if ( $file_content === false ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'Invalid import data!', 'go_pricing_textdomain' ) );
return false;
}
$data = @unserialize( base64_decode( $file_content ) );
if ( $data === false ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'Invalid import data!', 'go_pricing_textdomain' ) );
unlink( $file['file'] );
return false;
}
if ( empty( $data['_info']['db_version'] ) || version_compare( $data['_info']['db_version'], self::$db_version, "<" ) ) {
GW_GoPricing_AdminNotices::add( 'impex', 'error', __( 'Import data is not compatible with the current version!', 'go_pricing_textdomain' ) );
unlink( $file['file'] );
return false;
}
$data = $file_content;
$ids = isset( $ids[0] ) && $ids[0] == 'all' ? array() : $ids;
$result = GW_GoPricing_Data::import( $data, (bool)$override, $ids );
if ( $result === false ) {
GW_GoPricing_AdminNotices::add( 'main', 'error', __( 'Oops, something went wrong!', 'go_pricing_textdomain' ) );
unlink( $file['file'] );
return false;
} else {
GW_GoPricing_AdminNotices::add( 'main', 'success', sprintf( __( '%1$s pricing table(s) has been successfully imported.', 'go_pricing_textdomain' ), $result ) );
}
delete_transient( self::$plugin_prefix . '_uploads' );
return true;
}
/**
* Restrict allowed mimes
*
* @return array
*/
public function restrict_upload_mimes( $mimes ) {
$allowed_mimes = array( 'txt' => 'text/plain' );
return $allowed_mimes;
}
/**
* Set custom upload path
*
* @return array
*/
public function set_upload_dir( $param ) {
$param['subdir'] = '/go_pricing_data';
$param['path'] = $param['basedir'] . $param['subdir'];
return $param;
}
}
?>