wp_ajax_wpae_preview.php 16.9 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451
<?php
/**
*	AJAX action for preview export row
*/

function pmxe_wp_ajax_wpae_preview(){

	if ( ! check_ajax_referer( 'wp_all_export_secure', 'security', false )){
		exit( json_encode(array('html' => __('Security check', 'wp_all_export_plugin'))) );
	}

	if ( ! current_user_can( PMXE_Plugin::$capabilities ) ){
		exit( json_encode(array('html' => __('Security check', 'wp_all_export_plugin'))) );
	}

	XmlExportEngine::$is_preview = true;

	$custom_xml_valid = true;

	ob_start();

	$values = array();

	parse_str($_POST['data'], $values);

	if(is_array($values['cc_options'])) {

		foreach ($values['cc_options'] as &$value) {
			$value = stripslashes($value);
		}
	}

	$export_id = (isset($_GET['id'])) ? stripcslashes($_GET['id']) : 0;

	$exportOptions = $values + (PMXE_Plugin::$session->has_session() ? PMXE_Plugin::$session->get_clear_session_data() : array()) + PMXE_Plugin::get_default_import_options();

	$exportOptions['custom_xml_template'] = (isset($_POST['custom_xml'])) ? stripcslashes($_POST['custom_xml']) : '';
	$exportOptions['custom_xml_template'] = str_replace('<ID>','<id>', $exportOptions['custom_xml_template'] );
	$exportOptions['custom_xml_template'] = str_replace('</ID>','</id>', $exportOptions['custom_xml_template'] );

	if ( ! empty($exportOptions['custom_xml_template'])) {
		$custom_xml_template_line_count = substr_count($exportOptions['custom_xml_template'], "\n");
    }

    $errors = new WP_Error();

	$engine = new XmlExportEngine($exportOptions, $errors);

	XmlExportEngine::$exportOptions      = $exportOptions;
	XmlExportEngine::$is_user_export     = $exportOptions['is_user_export'];
	XmlExportEngine::$is_comment_export  = $exportOptions['is_comment_export'];
	XmlExportEngine::$is_taxonomy_export = $exportOptions['is_taxonomy_export'];
	XmlExportEngine::$exportID 			 = $export_id;

	if ( class_exists('SitePress') && ! empty(XmlExportEngine::$exportOptions['wpml_lang'])){
		do_action( 'wpml_switch_language', XmlExportEngine::$exportOptions['wpml_lang'] );
	}

	if (XmlExportEngine::$exportOptions['export_to'] == XmlExportEngine::EXPORT_TYPE_XML && in_array(XmlExportEngine::$exportOptions['xml_template_type'], array('custom', 'XmlGoogleMerchants')) ){

		if ( empty(XmlExportEngine::$exportOptions['custom_xml_template']) )
		{
			$errors->add('form-validation', __('XML template is empty.', 'wp_all_export_plugin'));
		}

		if ( ! empty(XmlExportEngine::$exportOptions['custom_xml_template'])){

			$engine->init_additional_data();

			$engine->init_available_data();

			$result = $engine->parse_custom_xml_template();		
			$line_numbers = $result['line_numbers'];
			if ( ! $errors->get_error_codes()) {
				XmlExportEngine::$exportOptions = array_merge(XmlExportEngine::$exportOptions, $result);
			}

			$originalXmlTemplate = $exportOptions['custom_xml_template'];
			libxml_use_internal_errors(true);
			libxml_clear_errors();

			//Add root se we make sure there is a root tag
			$result['original_post_loop'] = '<root>'.$result['original_post_loop'].'</root>';

			$custom_xml_template = simplexml_load_string($result['original_post_loop']);

			if ($custom_xml_template === false) {
				$custom_xml_template_errors = libxml_get_errors();
				libxml_clear_errors();
				$custom_xml_valid = false;
				// Remove one line because we added root
				$line_difference = $custom_xml_template_line_count - $line_numbers - 1;
			}
			$exportOptions['custom_xml_template'] = str_replace("<!-- BEGIN POST LOOP -->", "<!-- BEGIN LOOP -->", $exportOptions['custom_xml_template']);
			$exportOptions['custom_xml_template'] = str_replace("<!-- END POST LOOP -->", "<!-- END LOOP -->", $exportOptions['custom_xml_template']);

		}
	}

	if(isset($_GET['show_cdata'])) {
		XmlExportEngine::$exportOptions['show_cdata_in_preview'] = (bool)$_GET['show_cdata'];
	} else {
		XmlExportEngine::$exportOptions['show_cdata_in_preview'] = false;
	}

	if ( $errors->get_error_codes()) {
		$msgs = $errors->get_error_messages();
		if ( ! is_array($msgs)) {
			$msgs = array($msgs);
		}
		foreach ($msgs as $msg): ?>
			<div class="error"><p><?php echo wp_kses_post($msg); ?></p></div>
		<?php endforeach;
		exit( json_encode(array('html' => ob_get_clean())) );
	}

	if ( 'advanced' == $exportOptions['export_type'] )
	{
		if ( XmlExportEngine::$is_user_export ) {
			$exportQuery = eval('return new WP_User_Query(array(' . $exportOptions['wp_query'] . ', \'offset\' => 0, \'number\' => 10));');
		}
		elseif ( XmlExportEngine::$is_comment_export ) {
			$exportQuery = eval('return new WP_Comment_Query(array(' . $exportOptions['wp_query'] . ', \'offset\' => 0, \'number\' => 10));');
		}
		else {
			remove_all_actions('parse_query');
			remove_all_actions('pre_get_posts');
			remove_all_filters('posts_clauses');
			
			$exportQuery = eval('return new WP_Query(array(' . $exportOptions['wp_query'] . ', \'offset\' => 0, \'posts_per_page\' => 10));');
		}
	}
	else
	{
		XmlExportEngine::$post_types = $exportOptions['cpt'];

		if ( in_array('users', $exportOptions['cpt']) or in_array('shop_customer', $exportOptions['cpt']))
		{
			add_action('pre_user_query', 'wp_all_export_pre_user_query', 10, 1);
			$exportQuery = new WP_User_Query( array( 'orderby' => 'ID', 'order' => 'ASC', 'number' => 10 ));
			remove_action('pre_user_query', 'wp_all_export_pre_user_query');
		}
		elseif ( in_array('taxonomies', $exportOptions['cpt']))
		{
			add_filter('terms_clauses', 'wp_all_export_terms_clauses', 10, 3);
			$exportQuery = new WP_Term_Query( array( 'taxonomy' => $exportOptions['taxonomy_to_export'], 'orderby' => 'term_id', 'order' => 'ASC', 'number' => 10, 'hide_empty' => false ));
			remove_filter('terms_clauses', 'wp_all_export_terms_clauses');
		}
		elseif( in_array('comments', $exportOptions['cpt']))
		{
			add_action('comments_clauses', 'wp_all_export_comments_clauses', 10, 1);

			global $wp_version;

			if ( version_compare($wp_version, '4.2.0', '>=') )
			{
				$exportQuery = new WP_Comment_Query( array( 'orderby' => 'comment_ID', 'order' => 'ASC', 'number' => 10 ));
			}
			else
			{
				$exportQuery = get_comments( array( 'orderby' => 'comment_ID', 'order' => 'ASC', 'number' => 10 ));
			}
			remove_action('comments_clauses', 'wp_all_export_comments_clauses');
		}
		else
		{

            if(strpos($exportOptions['cpt'][0], 'custom_') === 0) {
                $addon = GF_Export_Add_On::get_instance();

                $filter_args = array(
                    'filter_rules_hierarhy' => empty($exportOptions['filter_rules_hierarhy']) ? array() : $exportOptions['filter_rules_hierarhy'],
                    'product_matching_mode' => empty($exportOptions['product_matching_mode']) ? 'strict' : $exportOptions['product_matching_mode'],
                    'taxonomy_to_export' => empty($exportOptions['taxonomy_to_export']) ? '' : $exportOptions['taxonomy_to_export'],
                    'sub_post_type_to_export' => empty($exportOptions['sub_post_type_to_export']) ? '' : $exportOptions['sub_post_type_to_export']
                );

                $exportQuery = $addon->add_on->get_query(0, 0, $filter_args);
            } else {

                remove_all_actions('parse_query');
                remove_all_actions('pre_get_posts');
                remove_all_filters('posts_clauses');

                add_filter('posts_join', 'wp_all_export_posts_join', 10, 1);
                add_filter('posts_where', 'wp_all_export_posts_where', 10, 1);
                $exportQuery = new WP_Query(array('post_type' => $exportOptions['cpt'], 'post_status' => 'any', 'orderby' => 'title', 'order' => 'ASC', 'posts_per_page' => 10));

                remove_filter('posts_where', 'wp_all_export_posts_where');
                remove_filter('posts_join', 'wp_all_export_posts_join');
            }
		}
	}

	XmlExportEngine::$exportQuery = $exportQuery;

    $engine->init_additional_data();

	?>

	<div id="post-preview" class="wpallexport-preview">
		
		<p class="wpallexport-preview-title"><?php echo sprintf("Preview first 10 %s", esc_html(wp_all_export_get_cpt_name($exportOptions['cpt'], 10, $exportOptions))); ?></p>

		<div class="wpallexport-preview-content">

		<?php

		if(!$custom_xml_valid) {
			$error_msg = '<strong class="error">' . __('Invalid XML', 'wp_all_import_plugin') . '</strong><ul  class="error">';
			foreach($custom_xml_template_errors as $error) {
				$error_msg .= '<li>';
				$error_msg .= __('Line', 'wp_all_import_plugin') . ' ' . ($error->line + $line_difference) . ', ';
				$error_msg .= __('Column', 'wp_all_import_plugin') . ' ' . $error->column . ', ';
				$error_msg .= __('Code', 'wp_all_import_plugin') . ' ' . $error->code . ': ';
				$error_msg .= '<em>' . trim(esc_html($error->message)) . '</em>';
				$error_msg .= '</li>';
			}
			$error_msg .= '</ul>';
			echo wp_kses_post($error_msg);
			exit( json_encode(array('html' => ob_get_clean())) );
		}

		switch ($exportOptions['export_to']) {

			case 'xml':

				$dom = new DOMDocument('1.0', $exportOptions['encoding']);
				libxml_use_internal_errors(true);
				try{
					$xml = XmlCsvExport::export_xml(true);
				} catch (WpaeMethodNotFoundException $e) {
					// Find the line where the function is
					$errorMessage = '';
					$functionName = $e->getMessage();
					$txtParts = explode("\n",$originalXmlTemplate);
					for ($i=0, $length = count($txtParts);$i<$length;$i++)
					{
						$tmp = strstr($txtParts[$i], $functionName);
						if ($tmp) {
							$errorMessage .= 'Error parsing XML feed: Call to undefined function <em>"'.$functionName.'"</em> on Line '.($i+1);
						}
					}

					$error_msg = '<span class="error">'.__($errorMessage, 'wp_all_import_plugin').'</span>';
					echo wp_kses_post($error_msg);
					exit( json_encode(array('html' => ob_get_clean())) );
				} catch (WpaeInvalidStringException $e) {
					// Find the line where the function is
					$errorMessage = '';
					$functionName = $e->getMessage();
					$txtParts = explode("\n",$originalXmlTemplate);
					for ($i=0, $length = count($txtParts);$i<$length;$i++)
					{
						$tmp = strstr($txtParts[$i], $functionName);
						if ($tmp) {
							$errorMessage .= 'Error parsing XML feed: Unterminated string on line '.($i+1);
						}
					}

					$error_msg = '<span class="error">'.__($errorMessage, 'wp_all_import_plugin').'</span>';
					echo wp_kses_post($error_msg);
					exit( json_encode(array('html' => ob_get_clean())) );
				} catch (WpaeTooMuchRecursionException $e) {
					$errorMessage = __('There was a problem parsing the custom XML template');
					$error_msg = '<span class="error">'.__($errorMessage, 'wp_all_import_plugin').'</span>';
					echo wp_kses_post($error_msg);
					exit( json_encode(array('html' => ob_get_clean())) );
				}

                $xml_errors = false;

                $main_xml_tag = '';

                switch ( XmlExportEngine::$exportOptions['xml_template_type'] ){

                    case 'custom':
                    case 'XmlGoogleMerchants':

                        require_once PMXE_ROOT_DIR . '/classes/XMLWriter.php';

                        $preview_xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" . "\n<Preview>\n" . $xml . "\n</Preview>";

                        $preview_xml = str_replace('<![CDATA[', 'CDATABEGIN', $preview_xml);
                        $preview_xml = str_replace(']]>', 'CDATACLOSE', $preview_xml);
                        $preview_xml = str_replace('&amp;', '&', $preview_xml);
                        $preview_xml = str_replace('&', '&amp;', $preview_xml);

                        $xml = PMXE_XMLWriter::preprocess_xml( XmlExportEngine::$exportOptions['custom_xml_template_header'] ) . "\n" . $xml . "\n" . PMXE_XMLWriter::preprocess_xml( XmlExportEngine::$exportOptions['custom_xml_template_footer'] );

                        $xml = str_replace('<![CDATA[', 'CDATABEGIN', $xml);
                        $xml = str_replace(']]>', 'CDATACLOSE', $xml);
                        $xml = str_replace('&amp;', '&', $xml);
                        $xml = str_replace('&', '&amp;', $xml);

                        // Determine XML root element
                        preg_match_all("%<[\w]+[\s|>]{1}%", XmlExportEngine::$exportOptions['custom_xml_template_header'], $matches);

                        if ( ! empty($matches[0]) ){
                          $main_xml_tag = preg_replace("%[\s|<|>]%","",array_shift($matches[0]));
                        }

                        libxml_clear_errors();
                        $dom->loadXML($xml);
                        $xml_errors = libxml_get_errors();
                        libxml_clear_errors();
                        if (! $xml_errors ){
                          $xpath = new DOMXPath($dom);
                          if (($elements = @$xpath->query('/' . $main_xml_tag)) and $elements->length){
                            pmxe_render_xml_element($elements->item( 0 ), true);
                          }
                          else{
                            $xml_errors = true;
                          }
                        }

                    break;

                    default:

                        libxml_clear_errors();
                        $dom->loadXML($xml);
                        $xml_errors = libxml_get_errors();
                        libxml_clear_errors();

                        $xpath = new DOMXPath($dom);

                        // Determine XML root element
                        $main_xml_tag = apply_filters('wp_all_export_main_xml_tag', $exportOptions['main_xml_tag'], XmlExportEngine::$exportID);
						$elements = @$xpath->query('/' . $main_xml_tag);
                        if ($elements->length){
                          pmxe_render_xml_element($elements->item( 0 ), true);
                          $xml_errors = false;
                        }
                        else{
                          $error_msg = '<strong>' . __('Can\'t preview the document.', 'wp_all_import_plugin') . '</strong><ul>';
                          $error_msg .= '<li>';
                          $error_msg .= __('You can continue export or try to use &lt;data&gt; tag as root element.', 'wp_all_import_plugin');
                          $error_msg .= '</li>';
                          $error_msg .= '</ul>';
                          echo wp_kses_post($error_msg);
                          exit( json_encode(array('html' => ob_get_clean())) );
                        }
                    break;

                }

				if ( $xml_errors ){

					$preview_dom = new DOMDocument('1.0', $exportOptions['encoding']);
					libxml_clear_errors();
					$preview_dom->loadXML($preview_xml);
					$preview_xml_errors = libxml_get_errors();
					libxml_clear_errors();

					if ($preview_xml_errors){
						$error_msg = '<strong class="error">' . __('Invalid XML', 'wp_all_import_plugin') . '</strong><ul  class="error">';
						foreach($preview_xml_errors as $error) {
							$error_msg .= '<li>';
							$error_msg .= __('Line', 'wp_all_import_plugin') . ' ' . $error->line . ', ';
							$error_msg .= __('Column', 'wp_all_import_plugin') . ' ' . $error->column . ', ';
							$error_msg .= __('Code', 'wp_all_import_plugin') . ' ' . $error->code . ': ';
							$error_msg .= '<em>' . trim(esc_html($error->message)) . '</em>';
							$error_msg .= '</li>';
						}
						$error_msg .= '</ul>';
						echo wp_kses_post($error_msg);
						exit( json_encode(array('html' => ob_get_clean())) );
					}
					else{
						$xpath = new DOMXPath($preview_dom);
						if (($elements = @$xpath->query('/Preview')) and $elements->length){
							pmxe_render_xml_element($elements->item( 0 ), true);
						}
						else{
							$error_msg = '<strong>' . __('Can\'t preview the document. Root element is not detected.', 'wp_all_import_plugin') . '</strong><ul>';
							$error_msg .= '<li>';
							$error_msg .= __('You can continue export or try to use &lt;data&gt; tag as root element.', 'wp_all_import_plugin');
							$error_msg .= '</li>';
							$error_msg .= '</ul>';
							echo wp_kses_post($error_msg);
							exit( json_encode(array('html' => ob_get_clean())) );
						}
					}
				}

				break;

			case 'csv':
				?>
				<small>
				<?php

					$csv = XmlCsvExport::export_csv( true );

					if (!empty($csv)){
						$csv_rows = array_filter(explode("\n", $csv));
						if ($csv_rows){
							?>
							<table class="pmxe_preview" cellpadding="0" cellspacing="0">
							<?php
							foreach ($csv_rows as $rkey => $row) {
								$cells = str_getcsv($row, $exportOptions['delimiter']);
								if ($cells){
									?>
									<tr>
										<?php
										foreach ($cells as $key => $value) {
											?>
											<td>
												<?php if (!$rkey):?><strong><?php endif;?>
												<?php echo esc_html($value); ?>
												<?php if (!$rkey):?></strong><?php endif;?>
											</td>
											<?php
										}
										?>
									</tr>
									<?php
								}
							}
							?>
							</table>
							<?php
						}
					}
					else{
						_e('Data not found.', 'wp_all_export_plugin');
					}
				?>
				</small>
				<?php
				break;

			default:

				_e('This format is not supported.', 'wp_all_export_plugin');

				break;
		}
		wp_reset_postdata();
		?>

		</div>

	</div>

	<?php

	exit(json_encode(array('html' => ob_get_clean()))); die;
}