<?php


defined('ADDON_LIBRARY_INC') or die('Restricted access');


	class UniteFunctionsWPUC_archive{

		public static $urlSite;
		public static $urlAdmin;
		
		const SORTBY_NONE = "none";
		const SORTBY_ID = "ID";
		const SORTBY_AUTHOR = "author";
		const SORTBY_TITLE = "title";
		const SORTBY_SLUC = "name";
		const SORTBY_DATE = "date";
		const SORTBY_LAST_MODIFIED = "modified";
		const SORTBY_RAND = "rand";
		const SORTBY_COMMENT_COUNT = "comment_count";
		const SORTBY_MENU_ORDER = "menu_order";
		
		const ORDER_DIRECTION_ASC = "ASC";
		const ORDER_DIRECTION_DESC = "DESC";
		
		const THUMB_SMALL = "thumbnail";
		const THUMB_MEDIUM = "medium";
		const THUMB_LARGE = "large";
		const THUMB_FULL = "full";
		
		const STATE_PUBLISHED = "publish";
		const STATE_DRAFT = "draft";
		
		
		/**
		 * 
		 * init the static variables
		 */
		public static function initStaticVars(){
			//UniteFunctionsUC::printDefinedConstants();
			
			self::$urlSite = site_url();
			
			if(substr(self::$urlSite, -1) != "/")
				self::$urlSite .= "/";
			
			self::$urlAdmin = admin_url();			
			if(substr(self::$urlAdmin, -1) != "/")
				self::$urlAdmin .= "/";
				
			
		}
		
		
		public static function a_____________POSTS_TYPES___________(){}
		
		/**
		 * 
		 * return post type title from the post type
		 */
		public static function getPostTypeTitle($postType){
			
			$objType = get_post_type_object($postType);
						
			if(empty($objType))
				return($postType);

			$title = $objType->labels->singular_name;
			
			return($title);
		}
		
		
		/**
		 * 
		 * get post type taxomonies
		 */
		public static function getPostTypeTaxomonies($postType){
			$arrTaxonomies = get_object_taxonomies(array( 'post_type' => $postType ), 'objects');
			
			$arrNames = array();
			foreach($arrTaxonomies as $key=>$objTax){			
				$arrNames[$objTax->name] = $objTax->labels->name;
			}
			
			return($arrNames);
		}
		
		/**
		 * 
		 * get post types taxonomies as string
		 */
		public static function getPostTypeTaxonomiesString($postType){
			$arrTax = self::getPostTypeTaxomonies($postType);
			$strTax = "";
			foreach($arrTax as $name=>$title){
				if(!empty($strTax))
					$strTax .= ",";
				$strTax .= $name;
			}
			
			return($strTax);
		}
		
		/**
		 *
		 * get post types array with taxomonies
		 */
		public static function getPostTypesWithTaxomonies(){
			$arrPostTypes = self::getPostTypesAssoc();
		
			foreach($arrPostTypes as $postType=>$title){
				$arrTaxomonies = self::getPostTypeTaxomonies($postType);
				$arrPostTypes[$postType] = $arrTaxomonies;
			}
		
			return($arrPostTypes);
		}
		
		
		/**
		 *
		 * get array of post types with categories (the taxonomies is between).
		 * get only those taxomonies that have some categories in it.
		 */
		public static function getPostTypesWithCats(){
			$arrPostTypes = self::getPostTypesWithTaxomonies();
		
			$arrPostTypesOutput = array();
			foreach($arrPostTypes as $name=>$arrTax){
		
				$arrTaxOutput = array();
				foreach($arrTax as $taxName=>$taxTitle){
					$cats = self::getCategoriesAssoc($taxName);
					if(!empty($cats))
						$arrTaxOutput[] = array(
								"name"=>$taxName,
								"title"=>$taxTitle,
								"cats"=>$cats);
				}
		
				$arrPostTypesOutput[$name] = $arrTaxOutput;
		
			}
		
			return($arrPostTypesOutput);
		}
		
		
		
		/**
		 * 
		 * get all the post types including custom ones
		 * the put to top items will be always in top (they must be in the list)
		 */
		public static function getPostTypesAssoc($arrPutToTop = array()){
			 $arrBuiltIn = array(
			 	"post"=>"post",
			 	"page"=>"page",
			 );
			 
			 $arrCustomTypes = get_post_types(array('_builtin' => false));
			 
			 //top items validation - add only items that in the customtypes list
			 $arrPutToTopUpdated = array();
			 foreach($arrPutToTop as $topItem){
			 	if(in_array($topItem, $arrCustomTypes) == true){
			 		$arrPutToTopUpdated[$topItem] = $topItem;
			 		unset($arrCustomTypes[$topItem]);
			 	}
			 }
			 
			 $arrPostTypes = array_merge($arrPutToTopUpdated,$arrBuiltIn,$arrCustomTypes);
			 
			 //update label
			 foreach($arrPostTypes as $key=>$type){
				$arrPostTypes[$key] = self::getPostTypeTitle($type);			 		
			 }
			 
			 return($arrPostTypes);
		}
		
		public static function a_____________TAXANOMIES___________(){}
		
		/**
		 *
		 * get assoc list of the taxonomies
		 */
		public static function getTaxonomiesAssoc(){
			$arr = get_taxonomies();
			unset($arr["post_tag"]);
			unset($arr["nav_menu"]);
			unset($arr["link_category"]);
			unset($arr["post_format"]);
		
			return($arr);
		}
		
		
		
		/**
		 *
		 * get array of all taxonomies with categories.
		 */
		public static function getTaxonomiesWithCats(){
		
			$arrTax = self::getTaxonomiesAssoc();
			$arrTaxNew = array();
			foreach($arrTax as $key=>$value){
				$arrItem = array();
				$arrItem["name"] = $key;
				$arrItem["title"] = $value;
				$arrItem["cats"] = self::getCategoriesAssoc($key);
				$arrTaxNew[$key] = $arrItem;
			}
		
			return($arrTaxNew);
		}
		
		
		public static function a__________CATEGORIES_AND_TAGS__________(){}
		
		
		/**
		 * 
		 * get the category data
		 */
		public static function getCategoryData($catID){
			$catData = get_category($catID);
			if(empty($catData))
				return($catData);
				
			$catData = (array)$catData;			
			return($catData);
		}
		
		
		
		/**
		 * 
		 * get post categories by postID and taxonomies
		 * the postID can be post object or array too
		 */
		public static function getPostCategories($postID,$arrTax){
			
			if(!is_numeric($postID)){
				$postID = (array)$postID;
				$postID = $postID["ID"];
			}
				
			$arrCats = wp_get_post_terms( $postID, $arrTax);
			$arrCats = UniteFunctionsUC::convertStdClassToArray($arrCats);
			return($arrCats);
		}

		
		/**
		 *
		 * get post categories list assoc - id / title
		 */
		public static function getCategoriesAssoc($taxonomy = "category"){
		
			if(strpos($taxonomy,",") !== false){
				$arrTax = explode(",", $taxonomy);
				$arrCats = array();
				foreach($arrTax as $tax){
					$cats = self::getCategoriesAssoc($tax);
					$arrCats = array_merge($arrCats,$cats);
				}
		
				return($arrCats);
			}
		
			//$cats = get_terms("category");
			$args = array("taxonomy"=>$taxonomy);
			$cats = get_categories($args);
		
			$arrCats = array();
			foreach($cats as $cat){
				$numItems = $cat->count;
				$itemsName = "items";
				if($numItems == 1)
					$itemsName = "item";
		
				$title = $cat->name . " ($numItems $itemsName)";
		
				$id = $cat->cat_ID;
				$arrCats[$id] = $title;
			}
			return($arrCats);
		}
		
		/**
		 *
		 * get categories by id's
		 */
		public static function getCategoriesByIDs($arrIDs,$strTax = null){
		
			if(empty($arrIDs))
				return(array());
		
			if(is_string($arrIDs))
				$strIDs = $arrIDs;
			else
				$strIDs = implode(",", $arrIDs);
		
			$args = array();
			$args["include"] = $strIDs;
		
			if(!empty($strTax)){
				if(is_string($strTax))
					$strTax = explode(",",$strTax);
		
				$args["taxonomy"] = $strTax;
			}
		
			$arrCats = get_categories( $args );
		
			if(!empty($arrCats))
				$arrCats = UniteFunctionsUC::convertStdClassToArray($arrCats);
		
			return($arrCats);
		}
		
		
		/**
		 *
		 * get categories short
		 */
		public static function getCategoriesByIDsShort($arrIDs,$strTax = null){
			$arrCats = self::getCategoriesByIDs($arrIDs,$strTax);
			$arrNew = array();
			foreach($arrCats as $cat){
				$catID = $cat["term_id"];
				$catName = $cat["name"];
				$arrNew[$catID] =  $catName;
			}
		
			return($arrNew);
		}
		
		
		/**
		 * get categories list, copy the code from default wp functions
		 */
		public static function getCategoriesHtmlList($catIDs,$strTax = null){
			global $wp_rewrite;
		
			//$catList = get_the_category_list( ",", "", $postID );
		
			$categories = self::getCategoriesByIDs($catIDs,$strTax);
		
			$arrErrors = UniteFunctionsUC::getVal($categories, "errors");
		
			if(!empty($arrErrors)){
				foreach($arrErrors as $key=>$arr){
					$strErrors = implode($arr,",");
				}
		
				UniteFunctionsUC::throwError("getCategoriesHtmlList error: ".$strErrors);
			}
		
			$rel = ( is_object( $wp_rewrite ) && $wp_rewrite->using_permalinks() ) ? 'rel="category tag"' : 'rel="category"';
		
			$separator = ',';
		
			$thelist = '';
		
			$i = 0;
			foreach ( $categories as $category ) {
		
				if(is_object($category))
					$category = (array)$category;
		
				if ( 0 < $i )
					$thelist .= $separator;
		
				$catID = $category["term_id"];
				$link = get_category_link($catID);
				$catName = $category["name"];
		
				if(!empty($link))
					$thelist .= '<a href="' . esc_url( $link ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s", ADDONLIBRARY_TEXTDOMAIN), $category["name"] ) ) . '" ' . $rel . '>' . $catName.'</a>';
				else
					$thelist .= $catName;
		
				++$i;
			}
		
		
			return $thelist;
		}
		
		/**
		 *
		 * get cats and taxanomies data from the category id's
		 */
		public static function getCatAndTaxData($catIDs){
		
			if(is_string($catIDs)){
				$catIDs = trim($catIDs);
				if(empty($catIDs))
					return(array("tax"=>"","cats"=>""));
		
				$catIDs = explode(",", $catIDs);
			}
		
			$strCats = "";
			$arrTax = array();
			foreach($catIDs as $cat){
				if(strpos($cat,"option_disabled") === 0)
					continue;
		
				$pos = strrpos($cat,"_");
				if($pos === false)
					UniteFunctionsUC::throwError("The category is in wrong format");
		
				$taxName = substr($cat,0,$pos);
				$catID = substr($cat,$pos+1,strlen($cat)-$pos-1);
		
				$arrTax[$taxName] = $taxName;
				if(!empty($strCats))
					$strCats .= ",";
		
				$strCats .= $catID;
			}
		
			$strTax = "";
			foreach($arrTax as $taxName){
				if(!empty($strTax))
					$strTax .= ",";
		
				$strTax .= $taxName;
			}
		
			$output = array("tax"=>$strTax,"cats"=>$strCats);
		
			return($output);
		}
		
		
		/**
		 *
		 * get post tags html list
		 */
		public static function getTagsHtmlList($postID){
			$tagList = get_the_tag_list("",",","",$postID);
			return($tagList);
		}
		
		
		public static function a_____________POSTS____________(){}
		
		
		
		/**
		 *
		 * get single post
		 */
		public static function getPost($postID, $addAttachmentImage = false, $getMeta = false){
			
			$post = get_post($postID);
			if(empty($post))
				UniteFunctionsUC::throwError("Post with id: $postID not found");
			
			$arrPost = $post->to_array();
			
			if($addAttachmentImage == true){
				$arrImage = self::getPostAttachmentImage($postID);
				if(!empty($arrImage))
					$arrPost["image"] = $arrImage;
			}
			
			if($getMeta == true)
				$arrPost["meta"] = self::getPostMeta($postID);
				
			return($arrPost);
		}
		
		
		
		/**
		 *
		 * get posts by coma saparated posts
		 */
		public static function getPostsByIDs($strIDs){
		
			if(is_string($strIDs)){
				$arr = explode(",",$strIDs);
			}
		
			$query = array(
					'post_type'=>"any",
					'post__in' => $arr
			);
		
			$objQuery = new WP_Query($query);
		
			$arrPosts = $objQuery->posts;
		
			//dmp($query);dmp("num posts: ".count($arrPosts));exit();
		
			foreach($arrPosts as $key=>$post){
		
				if(method_exists($post, "to_array"))
					$arrPosts[$key] = $post->to_array();
				else
					$arrPosts[$key] = (array)$post;
			}
		
			return($arrPosts);
		}
		
		
		/**
		 *
		 * get posts by some category
		 * could be multiple
		 */
		public static function getPostsByCategory($catID,$sortBy = self::SORTBY_ID,$direction = self::ORDER_DIRECTION_DESC,$numPosts=-1,$postTypes="any",$taxonomies="category",$arrAddition = array()){
		
			//get post types
			if(strpos($postTypes,",") !== false){
				$postTypes = explode(",", $postTypes);
				if(array_search("any", $postTypes) !== false)
					$postTypes = "any";
			}
		
			if(empty($postTypes))
				$postTypes = "any";
		
			if(strpos($catID,",") !== false)
				$catID = explode(",",$catID);
			else
				$catID = array($catID);
		
			$query = array(
					'order'=>$direction,
					'posts_per_page'=>$numPosts,
					'showposts'=>$numPosts,
					'post_type'=>$postTypes
			);
		
			//add sort by (could be by meta)
			if(strpos($sortBy, "meta_num_") === 0){
				$metaKey = str_replace("meta_num_", "", $sortBy);
				$query["orderby"] = "meta_value_num";
				$query["meta_key"] = $metaKey;
			}else
				if(strpos($sortBy, "meta_") === 0){
				$metaKey = str_replace("meta_", "", $sortBy);
				$query["orderby"] = "meta_value";
				$query["meta_key"] = $metaKey;
			}else
				$query["orderby"] = $sortBy;
		
			//get taxonomies array
			$arrTax = array();
			if(!empty($taxonomies)){
				$arrTax = explode(",", $taxonomies);
			}
		
			if(!empty($taxonomies)){
		
				$taxQuery = array();
		
				//add taxomonies to the query
				if(strpos($taxonomies,",") !== false){	//multiple taxomonies
					$taxonomies = explode(",",$taxonomies);
					foreach($taxonomies as $taxomony){
						$taxArray = array(
								'taxonomy' => $taxomony,
								'field' => 'id',
								'terms' => $catID
						);
						$taxQuery[] = $taxArray;
					}
				}else{		//single taxomony
					$taxArray = array(
							'taxonomy' => $taxonomies,
							'field' => 'id',
							'terms' => $catID
					);
					$taxQuery[] = $taxArray;
				}
		
				$taxQuery['relation'] = 'OR';
		
				$query['tax_query'] = $taxQuery;
			} //if exists taxanomies
		
		
			if(!empty($arrAddition))
				$query = array_merge($query, $arrAddition);
		
			//unset($query["meta_query"]);
			//dmp($query);exit();
		
			$objQuery = new WP_Query($query);
		
			$arrPosts = $objQuery->posts;
		
			//dmp($query);dmp("num posts: ".count($arrPosts));exit();
			//dmp($arrPost);
		
			foreach($arrPosts as $key=>$post){
		
				if(method_exists($post, "to_array"))
					$arrPost = $post->to_array();
				else
					$arrPost = (array)$post;
		
				$arrPostCats = self::getPostCategories($post, $arrTax);
				$arrPost["categories"] = $arrPostCats;
		
				$arrPosts[$key] = $arrPost;
			}
		
			return($arrPosts);
		}

		/**
		 *
		 * get excerpt from post id
		 */
		public static function getExcerptById($postID, $limit=55){
		
			$post = get_post($postID);
		
			$excerpt = $post->post_excerpt;
			$excerpt = trim($excerpt);
		
			$excerpt = trim($excerpt);
			if(empty($excerpt))
				$excerpt = $post->post_content;
		
			$excerpt = strip_tags($excerpt,"<b><br><br/><i><strong><small>");
		
			$excerpt = UniteFunctionsUC::getTextIntro($excerpt, $limit);
		
			return $excerpt;
		}
		
		
		/**
		 *
		 * convert date to the date format that the user chose.
		 */
		public static function convertPostDate($date){
			if(empty($date))
				return($date);
			$date = date_i18n(get_option('date_format'), strtotime($date));
			return($date);
		}
		
		
		/**
		 * get post meta data
		 */
		public static function getPostMeta($postID){
			
			$arrMeta = get_post_meta($postID);
			foreach($arrMeta as $key=>$item){
				if(is_array($item) && count($item) == 1)
					$arrMeta[$key] = $item[0];
			}
			
			
			return($arrMeta);
		}
		
		
		public static function a_____________ATTACHMENTS____________(){}
		
		
		/**
		 *
		 * get attachment image array by id and size
		 */
		public static function getAttachmentImage($thumbID,$size = self::THUMB_FULL){
		
			$arrImage = wp_get_attachment_image_src($thumbID,$size);
			if(empty($arrImage))
				return(false);
		
			$output = array();
			$output["url"] = UniteFunctionsUC::getVal($arrImage, 0);
			$output["width"] = UniteFunctionsUC::getVal($arrImage, 1);
			$output["height"] = UniteFunctionsUC::getVal($arrImage, 2);
		
			return($output);
		}
		
		/**
		 *
		 * get url of post thumbnail
		 */
		public static function getUrlPostImage($postID,$size = self::THUMB_FULL){
		
			$post_thumbnail_id = get_post_thumbnail_id( $postID );
			if(empty($post_thumbnail_id))
				return("");
		
			$arrImage = wp_get_attachment_image_src($post_thumbnail_id,$size);
			if(empty($arrImage))
				return("");
		
			$urlImage = $arrImage[0];
			return($urlImage);
		}
		
		/**
		 * get post thumb id from post id
		 */
		public static function getPostThumbID($postID){
			$thumbID = get_post_thumbnail_id( $postID );
			return($thumbID);
		}
		
		
		/**
		 * 
		 * get attachment image url
		 */
		public static function getUrlAttachmentImage($thumbID, $size = self::THUMB_FULL){
			
			$arrImage = wp_get_attachment_image_src($thumbID, $size);
			if(empty($arrImage))
				return(false);
			
			$url = UniteFunctionsUC::getVal($arrImage, 0);
			return($url);
		}

		
		/**
		 * parse attachment post data
		 */
		public static function parseAttachmentPost($post){

			$arrSizes = self::getArrThumbSizes(true);
			$altText = get_post_meta($post->ID, '_wp_attachment_image_alt', true);
			if(empty($altText))
				$altText = $post->post_title;
			
			$item = array();
			$item["id"] = $post->ID;
			$item["url"] = $post->guid;
			
			$item["title"] = $post->post_title;
			$item["description"] = $post->post_content;
			$item["alt"] = $altText;
			
			$item["description_title"] = !empty($post->post_content)?$post->post_content:$post->post_title;
			
			//put thumb url
			$arrThumb = self::getAttachmentImage($post->ID, self::THUMB_MEDIUM);
			$item["thumb"] = UniteFunctionsUC::getVal($arrThumb, "url");
			$item["thumb_width"] = UniteFunctionsUC::getVal($arrThumb, "width");
			$item["thumb_height"] = UniteFunctionsUC::getVal($arrThumb, "height");
			
			//put all other thumbs url
			foreach($arrSizes as $size => $sizeTitle){
			
				if($size == "medium" || $size == "full")
					continue;
			
				$arrThumb = self::getAttachmentImage($post->ID, $size);
				$item["thumb_{$size}"] = UniteFunctionsUC::getVal($arrThumb, "url");
				$item["thumb_{$size}_width"] = UniteFunctionsUC::getVal($arrThumb, "width");
				$item["thumb_{$size}_height"] = UniteFunctionsUC::getVal($arrThumb, "height");
			
			}
			
			return($item);
		}

		
		/**
		 * get attachment item from post
		 */
		public static function getPostAttachmentImage($postID){
			$item = null;
			$attachmentPostID = self::getPostThumbID($postID);
			if(empty($attachmentPostID))
				return($item);
			
			$post = get_post($attachmentPostID);
			if(empty($post))
				return($item);
			
			$item = self::parseAttachmentPost($post);
			
			return($item);
		}
		
		
		/**
		 * get unitecreator items array from attachment id's
		 */
		public static function getArrItemsFromAttachments($arrIDs){
		
			$arrPosts = get_posts( array('include' => $arrIDs, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'orderby'=>"none") );
		
			$arrItems = array();
		
			foreach($arrPosts as $post){
				$item = self::parseAttachmentPost($post);
				$arrItems[] = $item;
			}
		
			$arrItems = UniteFunctionsUC::arrayToAssoc($arrItems, "id");
		
			$arrItemsOrdered = array();
			foreach($arrIDs as $id){
				$arrItemsOrdered[] = $arrItems[$id];
			}
		
			return($arrItemsOrdered);
		}

		
		
		/**
		 * get thumbnail sizes array
		 */
		public static function getArrThumbSizes($includeSmall = false){
			global $_wp_additional_image_sizes;
		
			$arrWPSizes = get_intermediate_image_sizes();
		
			$arrSizes = array();
			if($includeSmall == true)
				$arrSizes[self::THUMB_SMALL] = "Small (50x50)";
		
			$arrSizes[self::THUMB_MEDIUM] = "Medium (max width 300)";
		
			foreach($arrWPSizes as $size){
		
				$title = ucfirst($size);
				switch($size){
					case self::THUMB_LARGE:
					case self::THUMB_MEDIUM:
					case self::THUMB_FULL:
					case self::THUMB_SMALL:
						continue(2);
						break;
					case "ug_big":
						$title = __("Big", ADDONLIBRARY_TEXTDOMAIN);
						break;
				}
		
				$arrSize = UniteFunctionsUC::getVal($_wp_additional_image_sizes, $size);
				$maxWidth = UniteFunctionsUC::getVal($arrSize, "width");
		
				if(!empty($maxWidth))
					$title .= " (max width $maxWidth)";
		
				$arrSizes[$size] = $title;
			}
		
			$arrSizes[self::THUMB_LARGE] = __("Large (max width 1024)", ADDONLIBRARY_TEXTDOMAIN);
			$arrSizes[self::THUMB_FULL] = __("Full", ADDONLIBRARY_TEXTDOMAIN);
		
			return($arrSizes);
		}
		
		
		
		public static function a_______________SETTERS____________(){}
		
		
		/**
		 *
		 * update post state
		 */
		public static function updatePostState($postID,$state){
			$arrUpdate = array();
			$arrUpdate["ID"] = $postID;
			$arrUpdate["post_status"] = $state;
		
			wp_update_post($arrUpdate);
		}
		
		/**
		 *
		 * update post menu order
		 */
		public static function updatePostOrder($postID,$order){
			$arrUpdate = array();
			$arrUpdate["ID"] = $postID;
			$arrUpdate["menu_order"] = $order;
		
			wp_update_post($arrUpdate);
		}
		
		/**
		 * 
		 * delete post
		 */
		public static function deletePost($postID){
			$success = wp_delete_post($postID,false);
			if($success == false)
				UniteFunctionsUC::throwError("Could not delete post: $postID");
		}
		
		/**
		 * 
		 * update post thumbnail
		 */
		public static function updatePostThumbnail($postID,$thumbID){
			set_post_thumbnail($postID, $thumbID);
		}
		
		
		public static function a_______________GENERAL_GETTERS____________(){}
		
		
		/**
		 * tells if the page is posts of pages page
		 */
		public static function isPostsPage(){
			$screen = get_current_screen();
			
		}
		
		
		/**
		 *
		 * get sort by with the names
		 */
		public static function getArrSortBy(){
			$arr = array();
			$arr[self::SORTBY_ID] = "Post ID";
			$arr[self::SORTBY_DATE] = "Date";
			$arr[self::SORTBY_TITLE] = "Title";
			$arr[self::SORTBY_SLUC] = "Slug";
			$arr[self::SORTBY_AUTHOR] = "Author";
			$arr[self::SORTBY_LAST_MODIFIED] = "Last Modified";
			$arr[self::SORTBY_COMMENT_COUNT] = "Number Of Comments";
			$arr[self::SORTBY_RAND] = "Random";
			$arr[self::SORTBY_NONE] = "Unsorted";
			$arr[self::SORTBY_MENU_ORDER] = "Custom Order";
			return($arr);
		}
		
		
		/**
		 *
		 * get array of sort direction
		 */
		public static function getArrSortDirection(){
			$arr = array();
			$arr[self::ORDER_DIRECTION_DESC] = "Descending";
			$arr[self::ORDER_DIRECTION_ASC] = "Ascending";
			return($arr);
		}
		
		
		/**
		 * get blog id
		 */
		public static function getBlogID(){
			global $blog_id;
			return($blog_id);
		}
		
		
		/**
		 *
		 * check if some db table exists
		 */
		public static function isDBTableExists($tableName){
			global $wpdb;
		
			if(empty($tableName))
				UniteFunctionsUC::throwError("Empty table name!!!");
		
			$sql = "show tables like '$tableName'";
		
			$table = $wpdb->get_var($sql);
		
			if($table == $tableName)
				return(true);
		
			return(false);
		}
		
		
		/**
		 *
		 * get wordpress base path
		 */
		public static function getPathBase(){
			return ABSPATH;
		}
		
		/**
		 *
		 * get wp-content path
		 */
		public static function getPathUploads(){
			if(self::isMultisite()){
				if(!defined("BLOGUPLOADDIR")){
					$pathBase = self::getPathBase();
					$pathContent = $pathBase."wp-content/uploads/";
				}else
					$pathContent = BLOGUPLOADDIR;
			}else{
				$pathContent = WP_CONTENT_DIR;
				if(!empty($pathContent)){
					$pathContent .= "/";
				}
				else{
					$pathBase = self::getPathBase();
					$pathContent = $pathBase."wp-content/uploads/";
				}
			}
		
			return($pathContent);
		}
		
		/**
		 *
		 * get content url
		 */
		public static function getUrlUploads(){
		
			if(self::isMultisite() == false){	//without multisite
				$baseUrl = content_url()."/";
			}
			else{	//for multisite
				$arrUploadData = wp_upload_dir();
				$baseUrl = $arrUploadData["baseurl"]."/";
			}
		
			return($baseUrl);
		
		}
		
		
		/**
		 *
		 * get link of edit slides by category id
		 */
		public static function getUrlSlidesEditByCatID($catID){
		
			$url = self::$urlAdmin;
			$url .= "edit.php?s&post_status=all&post_type=post&action=-1&m=0&cat=".$catID."&paged=1&mode=list&action2=-1";
		
			return($url);
		}
		
		
		/**
		 *
		 * get edit post url
		 */
		public static function getUrlEditPost($postID){
			$url = self::$urlAdmin;
			$url .= "post.php?post=".$postID."&action=edit";
		
			return($url);
		}
		
		
		/**
		 *
		 * get new post url
		 */
		public static function getUrlNewPost(){
			$url = self::$urlAdmin;
			$url .= "post-new.php";
			return($url);
		}
		
		/**
		 * 
		 * get intro from content
		 */
		public static function getIntroFromContent($text){
			$intro = "";
			if(!empty($text)){
				$arrExtended = get_extended($text);
				$intro = UniteFunctionsUC::getVal($arrExtended, "main");
				
				/*
				if(strlen($text) != strlen($intro))
					$intro .= "...";
				*/
			}
			
			return($intro);
		}

		
		/**
		 * 
		 * get user display name from user id
		 */
		public static function getUserDisplayName($userID){
			
			$displayName =  get_the_author_meta('display_name', $userID);
			
			return($displayName);
		}
		
		
		/**
		 * 
		 * get content url
		 */
		public static function getUrlContent(){
		
			if(self::isMultisite() == false){	//without multisite
				$baseUrl = content_url()."/";
			}
			else{	//for multisite
				$arrUploadData = wp_upload_dir();
				$baseUrl = $arrUploadData["baseurl"]."/";
			}
			
			if(is_ssl()){
				$baseUrl = str_replace("http://", "https://", $baseUrl);
			}
			
			return($baseUrl);
		}

		/**
		 * 
		 * get wp-content path
		 */
		public static function getPathContent(){		
			if(self::isMultisite()){
				if(!defined("BLOGUPLOADDIR")){
					$pathBase = self::getPathBase();
					$pathContent = $pathBase."wp-content/";
				}else
				  $pathContent = BLOGUPLOADDIR;
			}else{
				$pathContent = WP_CONTENT_DIR;
				if(!empty($pathContent)){
					$pathContent .= "/";
				}
				else{
					$pathBase = self::getPathBase();
					$pathContent = $pathBase."wp-content/";
				}
			}
			
			return($pathContent);
		}

		
		
		/**
		 * 
		 * get current language code
		 */
		public static function getCurrentLangCode(){
			$langTag = ICL_LANGUAGE_CODE;

			return($langTag);
		}
		
		
		/**
		 *
		 * get image url from image path.
		 */
		public static function getImageUrlFromPath($pathImage){
			//protect from absolute url
			$pathLower = strtolower($pathImage);
			if(strpos($pathLower, "http://") !== false || strpos($pathLower, "www.") === 0)
				return($pathImage);
		
			$urlImage = self::getUrlUploads().$pathImage;
			return($urlImage);
		}
		
		
		public static function a_______________OTHER_FUNCTIONS____________(){}
		
		
		/**
		 * 
		 * write settings language file for wp automatic scanning
		 */
		public static function writeSettingLanguageFile($filepath){
			$info = pathinfo($filepath);
			$path = UniteFunctionsUC::getVal($info, "dirname")."/";
			$filename = UniteFunctionsUC::getVal($info, "filename");
			$ext =  UniteFunctionsUC::getVal($info, "extension");
			$filenameOutput = "{$filename}_{$ext}_lang.php";
			$filepathOutput = $path.$filenameOutput;
			
			//load settings
			$settings = new UniteCreatorSettings();
			$settings->loadXMLFile($filepath);
			$arrText = $settings->getArrTextFromAllSettings();
			
			$str = "";
			$str .= "<?php \n";
			foreach($arrText as $text){
				$text = str_replace('"', '\\"', $text);
				$str .= "_e(\"$text\",\"".ADDONLIBRARY_TEXTDOMAIN."\"); \n";				
			}
			$str .= "?>";
			
			UniteFunctionsUC::writeFile($str, $filepathOutput);
		}

		
		/**
		 * 
		 * check the current post for the existence of a short code
		 */  
		public static function hasShortcode($shortcode = '') {  
		      
		    $post = get_post(get_the_ID());  
		      
		    if (empty($shortcode))   
		        return $found;
		        		        
		    $found = false; 
		        
		    if (stripos($post->post_content, '[' . $shortcode) !== false )    
		        $found = true;  
		       
		    return $found;  
		}  		

		
		/**
		 *
		 * simple enqueue script
		 */
		public static function addWPScript($scriptName){
			wp_enqueue_script($scriptName);
		}		
	
		/**
		 *
		 * simple enqueue style
		 */
		public static function addWPStyle($styleName){
			wp_enqueue_style($styleName);
		}		
		
		/**
		 *
		 * add all js and css needed for media upload
		 */
		public static function addMediaUploadIncludes(){
		
			self::addWPScript("thickbox");
			self::addWPStyle("thickbox");
			self::addWPScript("media-upload");
		
		}
	
		
		/**
		 *
		 * validate permission that the user is admin, and can manage options.
		 */
		public static function isAdminPermissions(){
		
			if( is_admin() &&  current_user_can("manage_options") )
				return(true);
		
			return(false);
		}
		
		
		/**
		 *
		 * register widget (must be class)
		 */
		public static function registerWidget($widgetName){
			add_action('widgets_init', create_function('', 'return register_widget("'.$widgetName.'");'));
		}
		
		
	}	//end of the class
	
	//init the static vars
	UniteFunctionsWPUC::initStaticVars();
	
?>