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<?php
/**
 * @package   Essential_Grid
 * @author    ThemePunch <info@themepunch.com>
 * @link      http://www.themepunch.com/essential/
 * @copyright 2021 ThemePunch
 */

if (!defined('ABSPATH')) exit();

class Essential_Grid_Import
{

private $overwrite_data = false;

public function set_overwrite_data($data)
	{
		$this->overwrite_data = $data;
	}

public function import_grids($import_grids, $import_ids = true, $check_append = true)
	{
		global $wpdb;
		
		$d = apply_filters('essgrid_import_grids', array('import_grids' => $import_grids, 'import_ids' => $import_ids, 'check_append' => $check_append));
		$import_grids = $d['import_grids'];
		$import_ids = $d['import_ids'];
		$check_append = $d['check_append'];
		$ids = array();
		$response = false;

if ($import_grids !== false && !empty($import_grids)) {
			$c_grid = new Essential_Grid();
			$base = new Essential_Grid_Base();
			$table_name = $wpdb->prefix . Essential_Grid::TABLE_GRID;
			$item_skin = new Essential_Grid_Item_Skin();

$grids = $c_grid->get_essential_grids();

foreach ($import_grids as $i_grid) {
				$i_grid_original = $i_grid;
				if (!empty($import_ids) && is_array($import_ids)) {
					$found = in_array($i_grid['id'], $import_ids);
					if (!$found) continue;
				} else {
					if ($import_ids != true) //only break if we do not want to import all
						break;
				}

//create/get category and tags if there are some selected
				$check = json_decode($i_grid['postparams'], true);
				if (isset($check['post_category']) && !empty($check['post_category'])) {
					$slug_cats = array();
					$the_cats = explode(',', $check['post_category']);
					foreach ($the_cats as $cat) {
						$raw = explode('_', $cat);
						$catSlug = $raw[count($raw) - 1];
						unset($raw[count($raw) - 1]);
						$cat = implode('_', $raw);

$category = $base->get_create_category_by_slug($catSlug, $cat);

if ($category !== false) //only add if we have a ID
							$slug_cats[] = $cat . '_' . $category;
					}
					$check['post_category'] = implode(',', $slug_cats);

$i_grid['postparams'] = json_encode($check);

}

$check = json_decode($i_grid['params'], true);

// 3.0.14
				// update grid params to add desktop xl dimension to columns
				$check = Essential_Grid_Plugin_Update::update_grid_desktop_xl($check);
				
				if (isset($check['entry-skin']) && !empty($check['entry-skin'])) {
					$skin = $item_skin->get_id_by_handle($check['entry-skin']);
					if (!empty($skin)) {
						$check['entry-skin'] = $skin['id'];

// 2.3
						// convert all skin modifications to the current skin ID
						// ... and also convert blank skin item IDs
						if (isset($i_grid['layers']) && !empty($i_grid['layers'])) {

$mods = json_decode($i_grid['layers'], true);
							$blankSkinId = false;

foreach ($mods as $key => $val) {

// convert skin modifications
								$mod = json_decode($val, true);
								if (isset($mod['eg_settings_custom_meta_skin']) && !empty($mod['eg_settings_custom_meta_skin'])) {

$skin_mods = $mod['eg_settings_custom_meta_skin'];
									$mod_ids = array();
									foreach ($skin_mods as $i) {
										$mod_ids[] = $skin['id'];
									}
									$mod['eg_settings_custom_meta_skin'] = $mod_ids;

}

// convert blank skin IDs
								if (isset($mod['custom-type']) && !empty($mod['custom-type'])) {

$alternateSkin = $mod['custom-type'];
									if ($alternateSkin === 'blank') {

// only get the ID once and store it outside the loop
										if (empty($blankSkinId)) {
											$blankSkin = $item_skin->get_id_by_handle('esgblankskin');
											if (!empty($blankSkin) && isset($blankSkin['id'])) $blankSkinId = $blankSkin['id'];
										}
										if (!empty($blankSkinId)) $mod['use-skin'] = $blankSkinId;

}

$mods[$key] = json_encode($mod);
							}
							$i_grid['layers'] = json_encode($mods);

}

}
					$i_grid['params'] = json_encode($check);
				}

$exist = false;
				if (!empty($grids)) {
					foreach ($grids as $grid) {
						if ($grid->handle == $i_grid['handle']) {
							$i_grid['id'] = $grid->id; //this will force an update
							$exist = true;
							break;
						}
					}
				}

//do not insert if handle exists. This is for the import demo data process
				if ($import_ids === true && $exist) continue;

$append = true;
				if ($exist) {
					//grid exists - append or overwrite
					if ($check_append) {
						//check in data if append or overwrite
						$do = $base->getVar($this->overwrite_data, 'grid-overwrite-' . $i_grid_original['id'], 'append');
						$append = $do == 'append';
					}
				}

if ($import_ids !== true) {
					if ($append) {
						//append
						if ($exist) {
							$i_grid['handle'] = $i_grid['handle'] . '-' . date('His');
							$i_grid['name'] = $i_grid['name'] . '-' . date('His');
						}

$response = $wpdb->insert($table_name, array('name' => $i_grid['name'], 'handle' => $i_grid['handle'], 'postparams' => $i_grid['postparams'], 'params' => $i_grid['params'], 'layers' => $i_grid['layers']));
					} else {
						//overwrite
						$response = $wpdb->update($table_name, array('name' => $i_grid['name'], 'handle' => $i_grid['handle'], 'postparams' => $i_grid['postparams'], 'params' => $i_grid['params'], 'layers' => $i_grid['layers']), array('id' => $i_grid['id']));
					}
				} else {
					//create or overwrite
					if ($exist) {
						$response = $wpdb->update($table_name, array('name' => $i_grid['name'], 'handle' => $i_grid['handle'], 'postparams' => $i_grid['postparams'], 'params' => $i_grid['params'], 'layers' => $i_grid['layers']), array('id' => $i_grid['id']));
					} else {
						$response = $wpdb->insert($table_name, array('name' => $i_grid['name'], 'handle' => $i_grid['handle'], 'postparams' => $i_grid['postparams'], 'params' => $i_grid['params'], 'layers' => $i_grid['layers']));
					}
				}
			}

if ($response !== false) $ids[] = $wpdb->insert_id;
		}

return $ids;
	}

public function import_skins($import_skins, $import_ids, $check_append = true, $ignore_exists = false)
	{
		global $wpdb;
		
		$d = apply_filters('essgrid_import_skins', array('import_skins' => $import_skins, 'import_ids' => $import_ids, 'check_append' => $check_append));
		$import_skins = $d['import_skins'];
		$import_ids = $d['import_ids'];
		$check_append = $d['check_append'];

if (empty($import_skins)) return;
		if (empty($import_ids) || !is_array($import_ids)) return;

$item_skin = new Essential_Grid_Item_Skin();
		$base = new Essential_Grid_Base();
		$table_name = $wpdb->prefix . Essential_Grid::TABLE_ITEM_SKIN;

$skins = $item_skin->get_essential_item_skins('all', false); //false = do not decode params

foreach ($import_skins as $i_skin) {
			if (!in_array($i_skin['id'], $import_ids)) continue;

$i_skin_original = $i_skin;

$exist = false;
			if (!empty($skins)) {
				foreach ($skins as $skin) {
					if ($skin['handle'] == $i_skin['handle']) {
						$i_skin['id'] = $skin['id']; //this will force an update
						$exist = true;
						break;
					}
				}
			}
			if ($ignore_exists && $exist) {
				continue;
			}

$append = true;
			if ($exist) {
				//skin exists - append or overwrite
				if ($check_append) {
					//check in data if append or overwrite
					$do = $base->getVar($this->overwrite_data, 'skin-overwrite-' . $i_skin_original['id'], 'append');
					$append = $do == 'append';
				}
			}

if ($append) {
				//append
				if ($exist) {
					$i_skin['handle'] = $i_skin['handle'] . '-' . date('His');
					$i_skin['name'] = $i_skin['name'] . '-' . date('His');
				}
				$response = $wpdb->insert($table_name, array('name' => $i_skin['name'], 'handle' => $i_skin['handle'], 'params' => $i_skin['params'], 'layers' => $i_skin['layers']));
			} else {
				//overwrite
				$response = $wpdb->update($table_name, array('name' => $i_skin['name'], 'handle' => $i_skin['handle'], 'params' => $i_skin['params'], 'layers' => $i_skin['layers']), array('id' => $i_skin['id']));
			}
		}
	}

public function import_elements($import_elements, $import_ids, $check_append = true)
	{
		global $wpdb;
		
		$d = apply_filters('essgrid_import_elements', array('import_elements' => $import_elements, 'import_ids' => $import_ids, 'check_append' => $check_append));
		$import_elements = $d['import_elements'];
		$import_ids = $d['import_ids'];
		$check_append = $d['check_append'];

if (empty($import_elements)) return;
		if (empty($import_ids) || !is_array($import_ids)) return;
		
		$c_elements = new Essential_Grid_Item_Element();
		$base = new Essential_Grid_Base();
		$table_name = $wpdb->prefix . Essential_Grid::TABLE_ITEM_ELEMENTS;

$elements = $c_elements->get_essential_item_elements();

foreach ($import_elements as $i_element) {
			if (!in_array($i_element['id'], $import_ids)) continue;
			if (Essential_Grid_Item_Element::isDefaultElement($i_element['handle'])) continue;

$exist = false;
			if (!empty($elements)) {
				foreach ($elements as $element) {
					if ($element['handle'] == $i_element['handle']) {
						$i_element['id'] = $element['id']; //this will force an update
						$exist = true;
						break;
					}
				}
			}

$append = true;
			if ($exist) {
				//skin exists - append or overwrite
				if ($check_append) {
					//check in data if append or overwrite
					$do = $base->getVar($this->overwrite_data, 'element-overwrite-' . $i_element['id'], 'append');
					$append = ($do == 'append') ? true : false;
				}
			}

if ($append) {
				//append
				if ($exist) {
					$i_element['handle'] = $i_element['handle'] . '-' . date('His');
					$i_element['name'] = $i_element['name'] . '-' . date('His');
				}
				$response = $wpdb->insert($table_name, array('name' => $i_element['name'], 'handle' => $i_element['handle'], 'settings' => $i_element['settings']));
			} else {
				//overwrite
				$response = $wpdb->update($table_name, array('name' => $i_element['name'], 'handle' => $i_element['handle'], 'settings' => $i_element['settings']), array('id' => $i_element['id']));
			}
		}
	}

public function import_navigation_skins($import_navigation_skins, $import_ids, $check_append = true, $ignore_exists = false)
	{
		global $wpdb;
		
		$d = apply_filters('essgrid_import_navigation_skins', array('import_navigation_skins' => $import_navigation_skins, 'import_ids' => $import_ids, 'check_append' => $check_append));
		$import_navigation_skins = $d['import_navigation_skins'];
		$import_ids = $d['import_ids'];
		$check_append = $d['check_append'];

if ($import_navigation_skins !== false && !empty($import_navigation_skins)) {
			$c_nav = new Essential_Grid_Navigation();
			$base = new Essential_Grid_Base();
			$table_name = $wpdb->prefix . Essential_Grid::TABLE_NAVIGATION_SKINS;

$nav_skins = $c_nav->get_essential_navigation_skins();

foreach ($import_navigation_skins as $i_nav_skin) {
				$i_nav_skin_original = $i_nav_skin;
				if (!empty($import_ids) && is_array($import_ids)) {
					$found = in_array($i_nav_skin['id'], $import_ids);
					if (!$found) continue;
				} else {
					break;
				}

$exist = false;
				if (!empty($nav_skins)) {
					foreach ($nav_skins as $nav_skin) {
						if ($nav_skin['handle'] == $i_nav_skin['handle']) {
							$i_nav_skin['id'] = $nav_skin['id']; //this will force an update
							$exist = true;
							break;
						}
					}
				}

if ($ignore_exists && $exist) {
					continue;
				}

$append = true;
				if ($exist) {
					//skin exists - append or overwrite
					if ($check_append) {
						//check in $_POST if append or overwrite
						$do = $base->getVar($this->overwrite_data, 'nav-skin-overwrite-' . $i_nav_skin_original['id'], 'append');
						$append = ($do == 'append') ? true : false;
					}
				}

$i_nav_skin['css'] = str_replace(array('\n', '\t'), array(chr(13), chr(9)), $i_nav_skin['css']);
				//remove first and last "
				if (!empty($i_nav_skin['css'])) {
					if (substr($i_nav_skin['css'], 0, 1) == '"') $i_nav_skin['css'] = substr($i_nav_skin['css'], 1);
					if (substr($i_nav_skin['css'], -1) == '"') $i_nav_skin['css'] = substr($i_nav_skin['css'], 0, -1);
				}
				$i_nav_skin['css'] = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', array('Essential_Grid_Import', 'mb_convert_string'), $i_nav_skin['css']);

if ($append) {
					//append
					if ($exist) {
						$orig_handle = $i_nav_skin['handle'];
						$i_nav_skin['handle'] = $i_nav_skin['handle'] . '-' . date('His');
						$i_nav_skin['name'] = $i_nav_skin['name'] . '-' . date('His');
						$i_nav_skin['css'] = str_replace($orig_handle, $i_nav_skin['handle'], $i_nav_skin['css']); //replace the class name to the new name
					}
					$response = $wpdb->insert($table_name, array('name' => $i_nav_skin['name'], 'handle' => $i_nav_skin['handle'], 'css' => $i_nav_skin['css']));
				} else {
					//overwrite
					$response = $wpdb->update($table_name, array('css' => $i_nav_skin['css']), array('id' => $i_nav_skin['id']));
				}
			}
		}
	}

public static function mb_convert_string($match)
	{
		return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
	}

public function import_custom_meta($import_custom_meta, $import_handles = true, $check_append = true)
	{
		$d = apply_filters('essgrid_import_custom_meta', array('import_custom_meta' => $import_custom_meta, 'import_handles' => $import_handles, 'check_append' => $check_append));
		$import_custom_meta = $d['import_custom_meta'];
		$import_handles = $d['import_handles'];
		$check_append = $d['check_append'];

$base = new Essential_Grid_Base();
		$metas = new Essential_Grid_Meta();
		$link_metas = new Essential_Grid_Meta_Linking();
		$custom_metas = $metas->get_all_meta();

foreach ($import_custom_meta as $i_custom_meta) {
			$type = (isset($i_custom_meta['m_type']) && $i_custom_meta['m_type'] == 'link') ? 'link' : 'meta';

if (!empty($import_handles) && is_array($import_handles)) {
				$found = in_array($i_custom_meta['handle'], $import_handles);
				if (!$found) continue;
			} else {
				if ($import_handles !== true)
					break;
			}

$exist = false;
			if (!empty($custom_metas)) {
				foreach ($custom_metas as $meta) {
					if ($meta['handle'] == $i_custom_meta['handle']) {
						if ($type == $meta['m_type']) {
							$exist = true;
							break;
						}
					}
				}
			}

//do not insert if handle exists. This is for the import demo data process
			if ($import_handles === true && $exist) continue;

$append = true;
			if ($exist) {
				//skin exists - append or overwrite
				if ($check_append) {
					//check in $_POST if append or overwrite
					$do = $base->getVar($this->overwrite_data, 'custom-meta-overwrite-' . $i_custom_meta['handle'], 'append');
					$append = $do == 'append';
				}
			}
			
			if ($import_handles !== true) {
				if ($append) {
					//append
					if ($exist) {
						$orig_handle = $i_custom_meta['handle'];
						$i_custom_meta['handle'] = $i_custom_meta['handle'] . '-' . date('His');
						$i_custom_meta['name'] = $i_custom_meta['name'] . '-' . date('His');
					}

if ($type == 'meta') {
						$r = $metas->add_new_meta($i_custom_meta);
					} elseif ($type == 'link') {
						$link_metas->add_new_link_meta($i_custom_meta);
					}
				} else {
					//overwrite
					if ($type == 'meta') {
						$metas->edit_meta_by_handle($i_custom_meta);
					} elseif ($type == 'link') {
						$link_metas->edit_link_meta_by_handle($i_custom_meta);
					}
				}
			} else {
				//create or overwrite
				if ($exist) {
					if ($type == 'meta') {
						$metas->edit_meta_by_handle($i_custom_meta);
					} elseif ($type == 'link') {
						$link_metas->edit_link_meta_by_handle($i_custom_meta);
					}
				} else {
					if ($type == 'meta') {
						$metas->add_new_meta($i_custom_meta);
					} elseif ($type == 'link') {
						$link_metas->add_new_link_meta($i_custom_meta);
					}
				}
			}
		}
	}

public function import_punch_fonts($import_punch_fonts, $import_handles = true, $check_append = true)
	{
		$d = apply_filters('essgrid_import_punch_fonts', array('import_punch_fonts' => $import_punch_fonts, 'import_handles' => $import_handles, 'check_append' => $check_append));
		$import_punch_fonts = $d['import_punch_fonts'];
		$import_handles = $d['import_handles'];
		$check_append = $d['check_append'];

$base = new Essential_Grid_Base();
		$fonts = new ThemePunch_Fonts();
		$punch_fonts = $fonts->get_all_fonts();

foreach ($import_punch_fonts as $i_punch_font) {
			if (!empty($import_handles) && is_array($import_handles)) {
				$found = false;
				foreach ($import_handles as $handle) {
					if ($i_punch_font['handle'] == $handle) {
						$found = true;
						break;
					}
				}
				if (!$found) continue;
			} else {
				if ($import_handles !== true)
					break;
			}

$exist = false;
			if (!empty($punch_fonts)) {
				foreach ($punch_fonts as $font) {
					if ($font['handle'] == $i_punch_font['handle']) {
						$exist = true;
						break;
					}
				}
			}

if ($import_handles == true) //do not insert if handle exists. This is for the import demo data process
				if ($exist) continue;

$append = true;
			if ($exist) {
				//skin exists - append or overwrite
				if ($check_append) {
					//check in $_POST if append or overwrite
					$do = $base->getVar($this->overwrite_data, 'punch-fonts-overwrite-' . $i_punch_font['handle'], 'append');
					$append = ($do == 'append') ? true : false;
				}
			}

if ($import_handles !== true) {
				if ($append) {
					//append
					if ($exist) {
						$orig_handle = $i_punch_font['handle'];
						$i_punch_font['handle'] = $i_punch_font['handle'] . '-' . date('His');
					}
					$fonts->add_new_font($i_punch_font);
				} else {
					//overwrite
					$fonts->edit_font_by_handle($i_punch_font);
				}
			} else {
				//create or overwrite
				if ($exist) {
					$fonts->edit_font_by_handle($i_punch_font);
				} else {
					$fonts->add_new_font($i_punch_font);
				}
			}
		}
	}

public function import_global_styles($import_global_styles, $check_append = true)
	{
		$d = apply_filters('essgrid_import_global_styles', array('import_global_styles' => $import_global_styles, 'import_handles' => true, 'check_append' => $check_append));
		$import_global_styles = $d['import_global_styles'];
		$check_append = $d['check_append'];

$base = new Essential_Grid_Base();
		$c_css = new Essential_Grid_Global_Css();

$append = true;
		if ($check_append) {
			//check in $_POST if append or overwrite
			$do = $base->getVar($this->overwrite_data, 'global-styles-overwrite', 'append');
			$append = ($do == 'append') ? true : false;
		}

$import_global_styles = str_replace(array('\n', '\t'), array(chr(13), chr(9)), $import_global_styles);
		//remove first and last "
		if (!empty($import_global_styles)) {
			if (substr($import_global_styles, 0, 1) == '"') $import_global_styles = substr($import_global_styles, 1);
			if (substr($import_global_styles, -1) == '"') $import_global_styles = substr($import_global_styles, 0, -1);
		}
		$import_global_styles = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', array('Essential_Grid_Import', 'mb_convert_string'), $import_global_styles);

if ($append) {
			//append
			$global_styles = $c_css->get_global_css_styles();
			$import_global_styles = $global_styles . "\r\n" . $import_global_styles;
		}

$c_css->set_global_css_styles($import_global_styles);
	}

}