<?php
/**
 * @ Author Arslan Hassan, Fawaz Tahir
 * @ License : Attribution Assurance License -- http://www.opensource.org/licenses/attribution.php
 * @ Class : Photos Class
 * @ date : 06 November 2010
 * @ Version : v2.0.91
 * @ Description: Well guys time to work on one of the most wanted Module. Photo Module.
 * @ New Things Needed: 
 * 	 - Photo Sharing Email Template
 */
 
//define('MAX_PHOTO_UPLOAD',5);

class CBPhotos
{
	var $action = '';
	var $collection = '';
	var $p_tbl = "photos";
	var $i_tbl = "collection_items";
	var $exts = '';
	var $max_file_size; // image file size. Setting from Admin area;
	var $mid_width;
	var $mid_height;
	var $lar_width;
	var $thumb_width;
	var $thumb_height;
	var $position;
	var $cropping;
	var $padding = 10;
	var $max_watermark_width = 120;
	var $embed_types;
	var $share_email_vars;
	//var $max_uploads = MAX_PHOTO_UPLOAD;  Max number of uploads at once
	var $search;

    private $basic_fields = array();
    private $extra_fields = array();

	/**
	 * __Constructor of CBPhotos
	 */
	function __construct()
	{
        global $cb_columns;

		$this->exts = array('jpg','png','gif','jpeg'); // This should be added from Admin Area. may be some people also want to allow BMPs;
		$this->embed_types = array("html","forum","email","direct");

        $basic_fields = array(
            'photo_id', 'photo_key', 'userid', 'photo_title', 'photo_description', 'photo_tags', 'collection_id',
            'photo_details', 'date_added', 'filename', 'ext', 'active', 'broadcast', 'file_directory','views'
        );

        $cb_columns->object( 'photos' )->register_columns( $basic_fields );
	}

    /**
     * @return array
     */
    function get_basic_fields() {
        return $this->basic_fields;
    }

    function set_basic_fields( $fields = array() ) {
        return $this->basic_fields = $fields;
    }

    function basic_fields_setup() {

        # Set basic video fields
        $basic_fields = array(
            'photo_id', 'photo_key', 'userid', 'photo_title', 'photo_description', 'photo_tags', 'collection_id',
            'photo_details', 'date_added', 'filename', 'ext', 'active', 'broadcast', 'file_directory'
        );

        return $this->set_basic_fields( $basic_fields );
    }

    function get_extra_fields() {
        return $this->extra_fields;
    }

    function set_extra_fields( $fields = array() ) {
        return $this->extra_fields = $fields;
    }

    function get_photo_fields( $extra_fields = array() ) {
        $fields = $this->get_basic_fields();
        $extra = $this->get_extra_fields();

        if ( empty( $fields ) ) {
            $fields = $this->basic_fields_setup();
        }

        if ( !empty( $extra ) ) {
            $fields = array_merge( $fields, $extra );
        }

        if ( !empty( $extra_fields ) ) {
            if ( is_array( $extra_fields ) ) {
                $fields = array_merge( $fields, $extra_fields );
            } else {
                $fields[] = $extra_fields;
            }
        }

        # Do make array unqiue, otherwise we might get duplicate
        # fields
        $fields = array_unique( $fields );

        return $fields;
    }

    function get_fields( $extra_fields = array() ) {
        return $this->get_photo_fields();
    }

    function add_field( $field ) {
        $extra_fields = $this->get_extra_fields();

        if ( is_array( $field ) ) {
            $extra_fields = array_merge( $extra_fields, $field );
        } else {
            $extra_fields[] = $field;
        }


        return $this->set_extra_fields( $extra_fields );
    }

    function add_photo_field( $field ) {
        return $this->add_field( $field );
    }

	/**
	 * Setting up Photos Section
	 */
	function init_photos()
	{
		$this->init_actions();
		$this->init_collections();
		$this->photos_admin_menu();
		$this->setting_other_things();
		$this->set_photo_max_size();
	}
	
	/**
	 * Initiating Actions for Photos
	 */
	function init_actions()
	{
		$this->action = new cbactions();
		$this->action->init();	 // Setting up reporting excuses
		$this->action->type = 'p';
		$this->action->name = 'photo';
		$this->action->obj_class = 'cbphoto';
		$this->action->check_func = 'photo_exists';
		$this->action->type_tbl = "photos";
		$this->action->type_id_field = 'photo_id';
		
		
	}
	
	/**
	 * Setting Email Settings
	 */
	function set_share_email($data)
	{
		$this->share_email_vars = array(
			'{photo_title}' => $data['photo_title'],
			'{photo_description}' => $data['photo_description'],
			'{photo_link}' => $this->collection->collection_links($data,'view_item'),
			'{photo_thumb}' => $this->get_image_file($data['photo_id'],'m')
		);
		$this->action->share_template_name = 'photo_share_template';
		$this->action->val_array = $this->share_email_vars;
	}
	

	
	/**
	 * Initiating Collections for Photos
	 */
	function init_collections()
	{
		$this->collection = new Collections;
		$this->collection->objType = "p";
		$this->collection->objClass = "cbphoto";
		$this->collection->objTable = "photos";
		$this->collection->objName = "Photo";
		$this->collection->objFunction = "photo_exists";
		$this->collection->objFieldID = "photo_id";
		$this->photo_register_function('delete_collection_photos');	
	}
	
	/**
	 * Create Admin Area menu for photos
	 */
	function photos_admin_menu()
	{
		global $Cbucket,$cbcollection,$userquery;
		$am = $Cbucket->AdminMenu;
		$per = $userquery->get_user_level(userid());
		
		
		if($per['photos_moderation'] == "yes")
		$am['Photos'] = array(
							  'Photo Manager' => 'photo_manager.php',
							  'Inactive Photos' => 'photo_manager.php?search=search&active=no',
							  'Flagged Photos' => 'flagged_photos.php',
							  'Orphan Photos' => 'orphan_photos.php',					
							  'Photo Settings' => 'photo_settings.php',
							  'Watermark Settings' => 'photo_settings.php?mode=watermark_settings',
							  'Recreate Thumbs' => 'recreate_thumbs.php?mode=mass'
							  );
		$Cbucket->AdminMenu = $am;					  	
	}
	
	
	/**
	 * Setting other things
	 */
	function setting_other_things()
	{
		global $userquery,$Cbucket;
		// Search type
		if(isSectionEnabled('photos'))
		$Cbucket->search_types['photos'] = "cbphoto";
		
		// My account links
		$accountLinks = array();
		$accountLinks = array(
							lang('manage_photos') => "manage_photos.php",
							lang('manage_favorite_photos') => "manage_photos.php?mode=favorite",
							);
		if(isSectionEnabled('photos'))
		$userquery->user_account[lang('photos')] = $accountLinks;
											
		//Setting Cbucket links

		$Cbucket->links['photos'] = array('photos.php','photos/');
		$Cbucket->links['manage_photos'] = array('manage_photos.php','manage_photos.php');
		$Cbucket->links['edit_photo'] = array('edit_photo.php?photo=','edit_photo.php?photo=');
		$Cbucket->links['photo_upload'] = array('photo_upload.php','photo_upload');
		$Cbucket->links['manage_favorite_photos'] = array('manage_photos.php?mode=favorite','manage_photos.php?mode=favorite');
		$Cbucket->links['manage_orphan_photos'] = array('manage_photos.php?mode=orphan','manage_photos.php?mode=orphan');
		$Cbucket->links['user_photos'] = array('user_photos.php?mode=uploaded&amp;user=','user_photos.php?mode=uploaded&amp;user=');
		$Cbucket->links['user_fav_photos'] = array('user_photos.php?mode=favorite&amp;user=','user_photos.php?mode=favorite&amp;user=');
		
		// Setting Home Tab
			
	}
	
	/**
	 * Initiatting Search
	 */
	function init_search()
	{
		$this->search = new cbsearch;
		$this->search->db_tbl = "photos";
		$this->search->use_match_method = FALSE;
		
		$this->search->columns = array(
			array("field"=>"photo_title","type"=>"LIKE","var"=>"%{KEY}%"),
			array("field"=>"photo_tags","type"=>"LIKE","var"=>"%{KEY}%","op"=>"OR")	
		);
		$this->search->match_fields = array("photo_title","photo_tags");
		$this->search->cat_tbl = $this->cat_tbl;
		
		$this->search->display_template = LAYOUT.'/blocks/photo.html';
		$this->search->template_var = 'photo';
		$this->search->has_user_id = true;
		$this->search->results_per_page = config('photo_search_result');
		$this->search->search_type['photos'] = array('title'=>lang('photos'));
		$this->search->add_cond(tbl('photos.collection_id')." <> 0");
		
		$sorting	= 	array(
						'date_added'=> lang("date_added"),
						'views'		=> lang("views"),
						'total_comments'  => lang("comments"),
						'rating' 	=> lang("rating"),
						'total_favorites'	=> lang("favorites")
						);
						
		$this->search->sorting	= array(
						'date_added'=> " date_added DESC",
						'views'		=> " views DESC",
						'rating' 	=> " rating DESC, rated_by DESC",
						'total_comments'  => " total_comments DESC ",
						'total_favorites' 	=> " total_favorites DESC"
						);
						
		$array = $_GET;
		$uploaded = $array['datemargin'];
		$sort = $array['sort'];
		
		$forms = array(
			'query' => array(
							'title'=> lang('keywords'),
							'type'=> 'textfield',
							'name'=> 'query',
							'id'=> 'query',
							'value'=>cleanForm($array['query'])
							),
			'date_margin'	=>  array(
							'title'		=> lang('uploaded'),
							'type'		=> 'dropdown',
							'name'		=> 'datemargin',
							'id'		=> 'datemargin',
							'value'		=> $this->search->date_margins(),
							'checked'	=> $uploaded,
							),
			'sort'	=> array(
							'title'		=> lang('sort_by'),
							'type'		=> 'dropdown',
							'name'		=> 'sort',
							'value'		=> $sorting,
							'checked'	=> $sort
							)				
		);
		
		$this->search->search_type['photos']['fields'] = $forms;													
	}
	/**
	 * Set File Max Size
	 */
	function set_photo_max_size()
	{
		global $Cbucket;
		$adminSize = $Cbucket->configs['max_photo_size'];
		if(!$adminSize)
			$this->max_file_size = 2*1024*1024;
		else
			$this->max_file_size = $adminSize*1024*1024;		
	}
	
	/**
	 * Check if photo exists or not
	 */
	function photo_exists($id)
	{
		global $db;
		if(is_numeric($id))
		$result = $db->select(tbl($this->p_tbl),"photo_id"," photo_id = '$id'");
		else
		$result = $db->select(tbl($this->p_tbl),"photo_id"," photo_key = '$id'");
		
		if($result)
			return true;
		else
			return false;		
	}
	
	/**
	 * Register function
	 */
	function photo_register_function($func)
	{
		global $cbcollection;
		$cbcollection->collection_delete_functions[] = 'delete_collection_photos';	
	}
	
	/**
	 * Get Photo
	 */
	function get_photo( $pid )
	{
		global $db;


        $select_field = is_numeric( $pid ) ? 'photo_id' : 'photo_key';
        $fields = array(
            'photos' => array( '*' ),
            'users' => get_user_fields(),
            'collections' => array( 'collection_name', 'type', 'category', 'views as collection_views', 'date_added as collection_added' )
        );

        $string = tbl_fields( $fields );

        $query = "SELECT $string FROM ".table( 'photos' );
        $query .= " LEFT JOIN ".table( 'collections' )." ON photos.collection_id = collections.collection_id";
        $query .= " LEFT JOIN ".table( 'users' )." ON collections.collection_id = users.userid";
        $query .= " WHERE photos.$select_field = '$pid' ";


		if(is_numeric($pid))
			$result = $db->select(tbl($this->p_tbl),"*"," photo_id = '$pid'");
		else
			$result = $db->select(tbl($this->p_tbl),"*"," photo_key = '$pid'");
						
		if($db->num_rows > 0)
			return $result[0];
		else
			return false;	
	}
	
	/**
	 * Get Photos 
	 */
	function get_photos($p)
	{
		global $db, $cb_columns,$cbsearch;
		$tables = "photos,users";
		
		$order = $p['order'];
		$limit = $p['limit'];
		$cond = "";
		
		if(!has_access('admin_access',TRUE))
		{
			$cond = " ".('photos.broadcast')." = 'public' AND ".('photos.active')." = 'yes'";
		} else {
			if($p['active'])
				$cond .= " ".('photos.active')." = '".$p['active']."'";
				
			if($p['broadcast'])
			{
				if($cond != "")
					$cond .= " AND ";
				$cond .= " ".('photos.broadcast')." = '".$p['broadcast']."'";
			}
		}
		
		if($p['pid'])
		{
			if($cond != "")
				$cond .= " AND ";
			$cond .= $this->constructMultipleQuery(array("ids"=>$p['pid'],"sign"=>"=","operator"=>"OR"));		
		}
		
		if($p['key'])
		{
			if($cond != "")
				$cond .= " AND ";
			$cond .= " ".('photos.photo_key')." = '".$p['key']."'";
		}
		
		if($p['filename'])
		{
			if($cond != "")
				$cond .= " AND ";
			$cond .= " ".('photos.filename')." = '".$p['filename']."'";
		}
		
		if($p['extension'])
		{
			foreach($this->exts as $ext)
			{
				if(in_array($ext,$this->exts))
				{
					if($cond != "")
						$cond .= " AND ";
					$cond .= " ".('photos.ext')." = '".$p['extension']."'";
				}
			}
		}
		
		if($p['date_span'])
		{
			if($cond != "")
				$cond .= " AND ";
			$cond .= " ".cbsearch::date_margin("photos.date_added",$p['date_span']);
		}
		
		if($p['featured'])
		{
			if($cond != "")
				$cond .= " AND ";
			$cond .= " ".('photos.featured')." = '".$p['featured']."'";
		}
		
		if($p['user'])
		{
			if($cond != "")
				$cond .= " AND ";
			$cond .= $this->constructMultipleQuery(array("ids"=>$p['user'],"sign"=>"=","operator"=>"AND","column"=>"userid"));		
		}
		
		if($p['exclude'])
		{			
			if($cond != "")
				$cond .= " AND ";			
			$cond .= $this->constructMultipleQuery(array("ids"=>$p['exclude'],"sign"=>"<>"));
		}
		
		$title_tag = '';
		
		if($p['title'])
		{
			$title_tag = " ".('photos.photo_title')." LIKE '%".$p['title']."%'";
		}
		
		if($p['tags'])
		{
			$tags = explode(",",$p['tags']);
			if(count($tags)>0)
			{
				if($title_tag != '')
					$title_tag .= " OR ";
				$total = count($tags);
				$loop = 1;
				foreach($tags as $tag)
				{
					$title_tag .= " ".('photos.photo_tags')." LIKE '%$tag%'";
					if($loop<$total)
						$title_tag .= " OR ";
					$loop++;		
				}
			} else {
				if($title_tag != '')
					$title_tag .= " OR ";
				$title_tag .= " ".('photos.photo_tags')." LIKE '%".$p['tags']."%'";
			}
		}
		
		if($title_tag != "")
		{
			if($cond != '')
				$cond .= " AND ";
			$cond .= " ($title_tag) ";		
		}
		
		if($p['ex_user'])
		{
			if($cond != "")
				$cond .= " AND ";
			$cond .= $this->constructMultipleQuery(array("ids"=>$p['ex_user'],"sign"=>"<>","operator"=>"AND","column"=>"userid"));		
		}
		
		if($p['extra_cond'])
		{
			if($cond != "")
				$cond .= " AND ";
			$cond .= $p['extra_cond'];		
		}
		
		if($p['get_orphans'])
		{
			$p['collection'] = (string)"0";
		}
			
		if($p['collection'] || $p['get_orphans'])
		{
			if($cond != "")
				$cond .= " AND ";
			$cond .= $this->constructMultipleQuery(array("ids"=>$p['collection'],"sign"=>"=","operator"=>"OR","column"=>"collection_id"));		
		} else {
			if($cond != "")
				$cond .= " AND ";
			$cond .= " ".('photos.collection_id')." <> '0'";
		}


        $fields = array(
            'photos' => get_photo_fields(),
            'users' => get_user_fields(),
            'collections' => array( 'collection_name', 'type', 'category', 'views as collection_views', 'date_added as collection_added' )
        );

        $string = tbl_fields( $fields );

        $main_query = "SELECT $string FROM ".table( 'photos' );
        $main_query .= " LEFT JOIN ".table( 'collections' )." ON photos.collection_id = collections.collection_id";
        $main_query .= " LEFT JOIN ".table( 'users' )." ON collections.userid = users.userid";

        $order = $order ? " ORDER BY ".$order : false;
        $limit = $limit ? " LIMIT ".$limit : false;

		if(!$p['count_only'] && !$p['show_related'])
		{
            $query = $main_query;
            if ( $cond ) {
                $query .= " WHERE ".$cond;
            }

            $query .= $order;
            $query .= $limit;

            $result = select( $query );
		}
		
		if($p['show_related'])
		{
            $query = $main_query;

			$cond = "MATCH(".('photos.photo_title,photos.photo_tags').")";
			$cond .= " AGAINST ('".$cbsearch->set_the_key($p['title'])."' IN NATURAL LANGUAGE MODE)";
			if($p['exclude'])
			{
				if($cond != "")
					$cond .= " AND ";
				$cond .= $this->constructMultipleQuery(array("ids"=>$p['exclude'],"sign"=>"<>"));		
			}
			
			if($p['collection'])
			{
				if($cond != "")
					$cond .= " AND ";
				$cond .= $this->constructMultipleQuery(array("ids"=>$p['collection'],"sign"=>"<>","column"=>"collection_id"));		
			}
			
			if($p['extra_cond'])
			{
				if($cond != "")
					$cond .= " AND ";
				$cond .= $p['extra_cond'];		
			}

            $where = " WHERE ".$cond." AND photos.collection_id <> 0";

            $query .= $where;
            $query .= $order;
            $query .= $limit;

            $result = select( $query );
									  
			// We found nothing from TITLE of Photos, let's try TAGS
			if($db->num_rows == 0)
			{
                $query = $main_query;

				$tags = $cbsearch->set_the_key($p['tags']);
				$tags = str_replace('+','',$tags);

				$cond = "MATCH(".('photos.photo_title,photos.photo_tags').")";
				$cond .= " AGAINST ('".$tags."' IN NATURAL LANGUAGE MODE)";
				
				if($p['exclude'])
				{
					if($cond != "")
						$cond .= " AND ";
					$cond .= $this->constructMultipleQuery(array("ids"=>$p['exclude'],"sign"=>"<>"));		
				}
				
				if($p['collection'])
				{
					if($cond != "")
						$cond .= " AND ";
					$cond .= $this->constructMultipleQuery(array("ids"=>$p['collection'],"sign"=>"<>","column"=>"collection_id"));		
				}
				
				if($p['extra_cond'])
				{
					if($cond != "")
						$cond .= " AND ";
					$cond .= $p['extra_cond'];		
				}


                $where = " WHERE ".$cond." AND photos.collection_id <> 0";
                $query .= $where;
                $query .= $order;
                $query .= $limit;

                $result = select( $query );
			}
		}
		
		if($p['count_only'])
		{
			if($p['extra_cond'])
			{
				if($cond != "")
					$cond .= " AND ";
				$cond .= $p['extra_cond'];		
			}

			$result = $db->count(table("photos"),"photo_id",$cond);	
		}

        ##pr( $query, true );

		if($p['assign'])
			assign($p['assign'],$result);
		else
			return $result;	
	}

	/**
	 * Used to construct Multi Query
	 * Only IDs will be excepted
	 */
	function constructMultipleQuery($params)
	{
		$cond = "";
		$IDs = $params['ids'];
		if(is_array($IDs))
			$IDs = $IDs;
		else
			$IDs = explode(",",$IDs);
			
		$count = 0;
		$cond .= "( ";
		foreach($IDs as $id)
		{	
			$id = str_replace(" ","",$id);	
			if(is_numeric($id) || $params['column'] == 'collection_id')
			{
				if($count>0)
					$cond .= " ".($params['operator']?$params['operator']:'AND')." ";
				$cond .= "".('photos.'.($params['column']?$params['column']:'photo_id'))." ".($params['sign']?$params['sign']:'=')." '".$id."'";
				$count++;	
			}
		}
		$cond .= " )";
		
		return $cond;		
	}
	
	/***
	 * Used to construct Exclude Query 
	function exclude_query($array)
	{
		$cond = '';
		if(!is_array($array))
			$ids = explode(',',$array);
		else
			$ids = $array;
				
		$count = 0;
		
		$cond .= "( ";			
		foreach($ids as $id)
		{
		$count++;
		if($count > 1)
			$cond .= " AND ";
		$cond .= " ".tbl('photos.photo_id')." <> '".$id."'";		
		}
		$cond .= " )";
		
		return $cond;
	}*/
	
	/**
	 * Used to generate photo key
	 * Replica of video_keygen function
	 */
	function photo_key()
	{	
		global $db;
			
		$char_list = "ABDGHKMNORSUXWY";
		$char_list .= "123456789";
		while(1)
		{
			$photo_key = '';
			srand((double)microtime()*1000000);
			for($i = 0; $i < 12; $i++)
			{
				$photo_key .= substr($char_list,(rand()%(strlen($char_list))), 1);
			}
			
			if(!$this->pkey_exists($photo_key))
				break;
		}
		
		return $photo_key;		
	}
	
	/**
	 * Used to check if key exists
	 */
	function pkey_exists($key)
	{
		global $db;
		$db->select(tbl("photos"),"photo_key"," photo_key = '$key'");
		if($db->num_rows > 0)
			return true;
		else
			return false;		
	}
	
	/**
	 * Used to delete photo
	 */
	function delete_photo($id,$oprhan=FALSE)
	{
		global $db;
		if($this->photo_exists($id))
		{
			$photo = $this->get_photo($id);
			
			$del_photo_funcs = cb_get_functions('delete_photo');
			if(is_array($del_photo_funcs))
			{
				
				foreach($del_photo_funcs as $func)
				{
					if(function_exists($func['func']))
					{
						$func['func']($photo);
					}
				}
			}
			
			if($orphan == FALSE)//removing from collection
				$this->collection->remove_item($photo['photo_id'],$photo['collection_id']);
				
			//now removing photo files
			$this->delete_photo_files($photo);

			//finally removing from Database
			$this->delete_from_db($photo);	
			
			//Decrementing User Photos
			$db->update(tbl("users"),array("total_photos"),array("|f|total_photos-1")," userid='".$photo['userid']."'");
			
			//Removing Photo Comments
			$db->delete(tbl("comments"),array("type","type_id"),array("p",$photo['photo_id']));
			
			//Removing Photo From Favortes
			$db->delete(tbl("favorites"),array("type","id"),array("p",$photo['photo_id']));			
			
		} else 
			e(lang("photo_not_exists"));
	}
	
	/**
	 * Used to delete photo files
	 */
	function delete_photo_files($id)
	{
		if(!is_array($id))
			$photo = $this->get_photo($id);
		else
			$photo = $id;
			
		$pid = $photo['photo_id'];
        $files = get_image_file( array( 'details' => $photo, 'size' => 't', 'multi' => true, 'with_orig' => true, 'with_path' => false ) );
		#$files = $this->get_image_file($pid,'t',TRUE,NULL,FALSE,TRUE);
		if(!empty($files))
		{
			foreach($files as $file)
			{
				$file_dir = PHOTOS_DIR.'/'.$file;
				if(file_exists($file_dir))
					unlink($file_dir);	
			}
			
			e(sprintf(lang("success_delete_file"),$photo['photo_title']),"m");
		}
	}
	
	/**
	 * Used to delete photo from database
	 */
	function delete_from_db($id)
	{
		global $db;
		if(is_array($id))
			$delete_id = $id['photo_id'];
		else
			$delete_id = $id;
				
		$db->execute("DELETE FROM ".tbl('photos')." WHERE photo_id = $delete_id");
		e(lang("photo_success_deleted"),"m");	
	}
	  
	
	/**
	 * Used to get photo owner
	 */
	function get_photo_owner($id)
	{
		return $this->get_photo_field($id,'userid');		
	}
	
	/**
	 * Used to get photo any field
	 */
	function get_photo_field($id,$field)
	{
		global $db;
		if(!$field)
			return false;
		else
		{
			if(!is_numeric($id))
				$result = $db->select(tbl($this->p_tbl),$field,' photo_key = '.$id.'');
			else
				$result = $db->select(tbl($this->p_tbl),$field,' photo_id = '.$id.'');
			
			if($result)
				return $result[0][$field];
			else
				return false;	
		}
	}
	
	/**
	 * Used filter array
	 */
	function remove_empty_indexes($array)
	{
		$newArr = array();
		if(is_array($array))
		{
			foreach($array as $key=>$arr)
			{
				if(is_array($arr))
				{
					foreach($arr as $a)
					{
						if(!empty($a))
						{
							$newArr[$key][] = $a;
						}
					}
				}
			}
			
			return $newArr;
		} else {
			echo "No Array Provided";	
		}
	}

	/**
	 * Used to crop the image using imagemagic class
	 * Image will be crop to dead-center
	 */
	function image_magic($image,$file,$width,$height){
		
		if(!file_exists($image) || !$image)
			return;
		
		$thumb = new Imagick();
		$thumb->readImage($image);    
		$can = $thumb->resizeImage($width,$height,Imagick::FILTER_LANCZOS,1);
		$can = $thumb->writeImage($file);
	}

	/**
	 * Used to crop the image using imagemagic class
	 * Image will be crop to dead-center
	 */
	function image_magick_watermark($input,$watermark_file,$ww,$wh){
		$image = new Imagick();
		$image->readImage($input);
		$watermark = new Imagick();
		$watermark->readImage($watermark_file);
		$image->compositeImage($watermark, imagick::COMPOSITE_OVER, 0, 0);
		$image->resizeImage($ww,$wh,Imagick::FILTER_LANCZOS,1);
		$image->writeImage($input);
	 }

	/**
	 * Used to crop the image
	 * Image will be crop to dead-center
	 */

	function crop_image($input,$output,$ext,$width,$height)
	{
		$info = getimagesize($input);
		$Swidth = $info[0];
		$Sheight = $info[1];
		
		$canvas = imagecreatetruecolor($width, $height);
		$left_padding = $Swidth / 2 - $width / 2;
		$top_padding = $Sheight / 2 - $height / 2;
		
		switch($ext)
		{
			case "jpeg":
			case "jpg":
			case "JPG":
			case "JPEG":
			{
				$image = imagecreatefromjpeg($input);
				imagecopy($canvas, $image, 0, 0, $left_padding, $top_padding, $width, $height);
				imagejpeg($canvas,$output,90);
			}
			break;
			
			case "png":
			case "PNG":
			{
				$image = imagecreatefrompng($input);
				imagecopy($canvas, $image, 0, 0, $left_padding, $top_padding, $width, $height);
				imagepng($canvas,$output,9);

				
			}
			break;
			
			case "gif":
			case "GIF":
			{
				$image = imagecreatefromgif($input);
				imagecopy($canvas, $image, 0, 0, $left_padding, $top_padding, $width, $height);
				imagejpeg($canvas,$output,90);	
			}
			break;
			
			default:
			{
				return false;	
			}
			break;
		}
		imagedestroy($canvas);
	}
	
	/**
	 * Used to resize and watermark image
	 **/
	function generate_photos($array)
	{
		global $db;
		$path = PHOTOS_DIR."/";

		if(!is_array($array))
			$p = $this->get_photo($array);
		else
			$p = $array;


        $path .= get_photo_date_folder( $p ).'/';

		$filename = $p['filename'];
		$extension = $p['ext'];
		$this->createThumb($path.$filename.".".$extension,$path.$filename."_o.".$extension,$extension);	
		$this->createThumb($path.$filename.".".$extension,$path.$filename."_t.".$extension,$extension,$this->thumb_width,$this->thumb_height);
		$this->createThumb($path.$filename.".".$extension,$path.$filename."_m.".$extension,$extension,$this->mid_width,$this->mid_height);
		$this->createThumb($path.$filename.".".$extension,$path.$filename."_l.".$extension,$extension,$this->lar_width);
		
		$should_watermark = config('watermark_photo');
		
		if(!empty($should_watermark) && $should_watermark == 1)
		{
			$this->watermark_image($path.$filename."_l.".$extension,$path.$filename."_l.".$extension);
			$this->watermark_image($path.$filename."_o.".$extension,$path.$filename."_o.".$extension);
		}
		
		/* GETTING DETAILS OF IMAGES AND STORING THEM IN DB */
		$this->update_image_details($p);
	}
	
	/**
	 * This function is used to get photo files and extract
	 * dimensions and file size of each file, put them in array
	 * then encode in json and finally update photo details column
	 */ 
	function update_image_details($photo)
	{
		global $db, $json;
		if(is_array($photo) && !empty($photo['photo_id']))
			$p = $photo;
		else
			$p = $this->get_photo($photo);
			
		if(!empty($photo))
		{
			$images = get_image_file( array( 'details' => $photo, 'size' => 't', 'multi' => true, 'with_path' => false ) );

			if($images)
			{

				foreach($images as $image)
				{
					$imageFile = PHOTOS_DIR."/".$image;

					if(file_exists($imageFile))
					{
						$imageDetails = getimagesize($imageFile); $imageSize = filesize($imageFile);
						$data[$this->get_image_type($image)] = array(
							"width"	=>	$imageDetails[0],
							"height"	=>	$imageDetails[1],
							"attribute"	=>	mysql_clean($imageDetails[3]),
							"size"	=>	array(
								"bytes"	=>	round($imageSize),
								"kilobytes"	=>	round($imageSize / 1024),
								"megabytes"	=>	round($imageSize / 1024 / 1024, 2)
							)
						);	
					}						
				}

				if(is_array($data) && !empty($data))
				{
					if(phpversion() < "5.2.0")
						$encodedData = stripslashes($json->json_encode($data));
					else
						$encodedData = stripslashes(json_encode($data));
						
					$db->update(tbl('photos'),array("photo_details"),array("|no_mc|$encodedData")," photo_id = '".$p['photo_id']."' ");

				}
			}
		}
	}
	
	/**
	 * Creating resized photo
	 */
	function createThumb($from,$to,$ext,$d_width=NULL,$d_height=NULL,$force_copy=false)
	{


		if( class_exists("Imagick") )
		{
    		$file = $from;
			$info = getimagesize($file);
			$org_width = $info[0];
			$org_height = $info[1];
			if($width > $d_width && !empty($d_width))
			{
				$ratio = $org_width / $d_width; // We will resize it according to Width
				
				$width = $org_width / $ratio;
				$height = $org_height / $ratio;

				$image_r = imagecreatetruecolor($width, $height);
				if(!empty($d_height) && $height > $d_height && $this->cropping == 1)
				{
					$crop_image = TRUE;
				}
				$image = $file;
				switch($ext)
				{
					case "jpeg":
					case "jpg":
					case "JPG":
					case "JPEG":
					{
						// $image = imagecreatefromjpeg($file);
						// imagecopyresampled($image_r, $image, 0, 0, 0, 0, $width, $height, $org_width, $org_height);
						// imagejpeg($image_r, $to, 90);
							
						$this->image_magic($image,$file,$width,$height);

					}
					break;
					
					case "png":
					case "PNG":
					{
						$image = ($file);
						$this->image_magic($image,$file,$width,$height);
						
						 

					}
					break;
					
					case "gif":
					case "GIF":
					{
						$image = imagecreatefromgif($file);
						imagecopyresampled($image_r, $image, 0, 0, 0, 0, $width, $height, $org_width, $org_height);
						imagegif($image_r,$to,90);
						$this->image_magic($image,$file,$width,$height);
						
					}
					break;
				}
				imagedestroy($image_r);
			} else {
				if(!file_exists($to) || $force_copy === true)
					if(!is_dir($from)){
						copy($from,$to);
					}
			}



		}else{
			$file = $from;
			$info = getimagesize($file);
			$org_width = $info[0];
			$org_height = $info[1];
			
			if($org_width > $d_width && !empty($d_width))
			{
				$ratio = $org_width / $d_width; // We will resize it according to Width
				
				$width = $org_width / $ratio;
				$height = $org_height / $ratio;
				
				$image_r = imagecreatetruecolor($width, $height);
				if(!empty($d_height) && $height > $d_height && $this->cropping == 1)
				{
					$crop_image = TRUE;
				}
				
				switch($ext)
				{
					case "jpeg":
					case "jpg":
					case "JPG":
					case "JPEG":
					{
						$image = imagecreatefromjpeg($file);
						imagecopyresampled($image_r, $image, 0, 0, 0, 0, $width, $height, $org_width, $org_height);
						imagejpeg($image_r, $to, 90);
						
						if(!empty($crop_image))
							$this->crop_image($to,$to,$ext,$width,$d_height);	
					}
					break;
					
					case "png":
					case "PNG":
					{
						$image = imagecreatefrompng($file);
						imagecopyresampled($image_r, $image, 0, 0, 0, 0, $width, $height, $org_width, $org_height);
						imagepng($image_r,$to,9);
						if(!empty($crop_image))
							$this->crop_image($to,$to,$ext,$width,$d_height);	
					}
					break;
					
					case "gif":
					case "GIF":
					{
						$image = imagecreatefromgif($file);
						imagecopyresampled($image_r, $image, 0, 0, 0, 0, $width, $height, $org_width, $org_height);
						imagegif($image_r,$to,90);
						if(!empty($crop_image))
							$this->crop_image($to,$to,$ext,$width,$d_height);
					}
					break;
				}
				imagedestroy($image_r);
			} else {
				if(!file_exists($to) || $force_copy === true)
					if(!is_dir($from)){
						copy($from,$to);
					}
			}

		} //end of else 
		
	}
	
	/**
	 * Used to get watermark file
	 */
	function watermark_file()
	{
		if(file_exists(BASEDIR."/images/photo_watermark.png"))
			return BASEURL."/images/photo_watermark.png";
		else
			return false;		
	}

	/**
	* Fetches watermark default position from database
	* @return : { position of watermakr }
	*/

	function get_watermark_position() {
		global $Cbucket;
		return $Cbucket->configs['watermark_placement'];
	}
	
	/**
	 * Used to set watermark position
	 */
	function position_watermark($file,$watermark)
	{
		$watermark_pos = $this->get_watermark_position();
		if(empty($watermark_pos)) {
			$info = array('right','top'); 
		} else {
			$info = explode(":",$watermark_pos);
		}
		
		$x = $info[0];
		$y = $info[1];
		list($w,$h) = getimagesize($file);
		list($ww,$wh) = getimagesize($watermark);
		$padding = $this->padding;
		
		switch($x)
		{
			case "center":
			{
				$finalxPadding = $w / 2 - $ww / 2;	
			}
			break;
			
			case "left":
			default:
			{
				$finalxPadding = $padding;
			}
			break;
			
			case "right":
			{
				$finalxPadding = $w - $ww - $padding;
			}
			break;
		}
		
		switch($y)
		{
			case "top":
			default:
			{
				$finalyPadding = $padding;	
			}
			break;
			
			case "center":
			{
				$finalyPadding = $h / 2 - $wh / 2;	
			}
			break;
			
			case "bottom":
			{
				$finalyPadding = $h - $wh - $padding;
			}
			break;
		}
		
		$values = array($finalxPadding,$finalyPadding);
		return $values;			
	}
		
	/**
	 * Used to watermark image
	 */
	function watermark_image($input,$output)
	{
		 $watermark_file = $this->watermark_file();
		if(!$watermark_file)
			return false;
		else
		{
			list($Swidth, $Sheight, $Stype) = getimagesize($input);
			$wImage = imagecreatefrompng($watermark_file);
			$ww = imagesx($wImage);
			$wh = imagesy($wImage);
			$paddings = $this->position_watermark($input,$watermark_file);
			
			switch($Stype)
			{
				case 1: //GIF
				{
					$sImage = imagecreatefromgif($input);
					imagecopy($sImage,$wImage,$paddings[0],$paddings[1],0,0,$ww,$wh);
					imagejpeg($sImage,$output,90);
				}
				break;
				
				case 2: //JPEG
				{
					$sImage = imagecreatefromjpeg($input);
					imagecopy($sImage,$wImage,$paddings[0],$paddings[1],0,0,$ww,$wh);
					imagejpeg($sImage,$output,90);	
				}
				break;
				
				case 3: //PNG
				{
				  if( class_exists("Imagick") ){
				  	 $this->image_magick_watermark($input,$watermark_file,$wImage,$wImage);
				  	}else{
				  		$sImage = imagecreatefrompng($input);
						imagecopy($sImage,$wImage,$paddings[0],$paddings[1],0,0,$ww,$wh);
						imagepng($sImage,$input,9);
				  	}
					
							
				}
				break;
			}
		}
	}
	
	/**
	 * Load Upload Form
	 */
	function loadUploadForm($params)
	{
        $p = $params; $output = '';
        $should_include = $p['includeHeader'] ? $p['includeHeader'] : true;

        if( file_exists( LAYOUT."/blocks/upload_head.html" ) and $should_include == true ) {
            $output .= Fetch( "blocks/upload_head.html" );
        }

        $output .= Fetch( "blocks/upload/photo_upload.html" );

        return $output;

		$should_include = $p['includeHeader'] ? $p['includeHeader'] : TRUE;
		$output = '<form action="" method="post"';
		if($p['formName'])
			$output .= " name = '".$p['formName']."'";
		else
			$output .= " name = 'photo_form'";
		if($p['formID'])
			$output .= " id = '".$p['formID']."'";
		else
			$output .= " id = 'photo_form'";
		if($p['formClass'])
			$formClass = $p['formClass'];
		$output .= " class = 'clearfix ".$formClass."'";		
		$output .= ">";
			if($p['class'])
				$class = $p['class'];
			if($should_include == TRUE)	
				$output .= Fetch("/blocks/upload_head.html");
			$output .= "<div ";
			$output .= "class = 'PhotoUploaderWrapper ".$class."'";
			if($p['WrapperID'])
				$output .= "id = '".$p['WrapperID']."'";
			if($p['WrapperExtraAttr'])
				$output .= $p['WrapperExtraAttr'];		
			$output .= ">";						
				$output .= '<input type="file" name="photo_uploads" id="photo_uploads" />';
			$output .= "</div>";
			$output .= '<div style="clear:both;"></div>';
			$output .= '<div id="photoUploadQueue"></div>';
		$output .= "</form>";
		
		return $output;							
	}
	
	/**
	 * Load Required Form
	 */
	function load_required_forms($array=NULL)
	{
		
		if($array == NULL)
			$array = $_POST;
			
		$title = $array['photo_title'];
		$description = $array['photo_description'];
		$tags = $array['photo_tags'];
		
		if($array['user'])
			$p['user'] = $array['user'];
		else
			$p['user'] = userid();
			
		$p['type'] = "photos";	
		$collections = $this->collection->get_collections($p);
		$cl_array = $this->parse_array($collections);
		$collection = $array['collection_id'];
		$this->unique = rand(0,9999);
		$fields = 
		array
		(
			'name' => array(
							'title' => lang('photo_title'),
							'id' => 'photo_title',
							'name' => 'photo_title',
							'type' => 'textfield',
							'value' => cleanForm($title),
							'db_field' => 'photo_title',
							'required' => 'yes',
							'invalid_err' => lang('photo_title_err')
							),
							
			'desc' => array(
							'title' => lang('photo_caption'),
							'id' => 'photo_description',
							'name' => 'photo_description',
							'type' => 'textarea',
							'value' =>cleanForm( $description),
							'db_field' => 'photo_description',
							'anchor_before' => 'before_desc_compose_box',
							'required' => 'yes',
							'invalid_err' => lang('photo_caption_err')
							),
			'tags' => array(
							'title' => lang('photo_tags'),
							'id' => 'photo_tags',
							'name' => 'photo_tags',
							'type' => 'textfield',
							'value' => genTags($tags),
							'db_field' => 'photo_tags',
							'required' => 'yes',
							'invalid_err' => lang('photo_tags_err')
							),
			'collection' => array(
								  'title' => lang('collection'),
								  'id' => 'collection_id',
								  'name' => 'collection_id',
								  'type' => 'dropdown',
								  'value' => $cl_array,
								  'db_field' => 'collection_id',
								  'required' => '',
								  'checked' => $collection,
								  'invalid_err' => lang('photo_collection_err')
								  )												  
		);
		
		return $fields;	
	}
	
	function insert_photo($array=NULL)
	{
		global $db,$eh;
		if($array == NULL)
			$array = $_POST;
		
		if(is_array($_FILES))
			$array = array_merge($array,$_FILES);
			
		$this->validate_form_fields($array);
		if(!error())
		{	
			$forms = $this->load_required_forms($array);
			$oForms = $this->load_other_forms($array);
			$FullForms = array_merge($forms,$oForms);
			if(!isset($array['allow_comments'])){
			 $array['allow_comments'] = 'yes';
			}
			foreach($FullForms as $field)
			{
				
				
				$name = formObj::rmBrackets($field['name']);
				if($field['name']=='allow_comments'){
					
					if(!isset($array['allow_comments'])){
						 $array['allow_comments'] = 'yes';
					}	
				}
				$val = $array[$name];
				
				if($field['use_func_val'])
					$val = $field['validate_function']($val);
				
				if(!empty($field['db_field']))
					$query_field[] = $field['db_field'];
				
				if(is_array($val))
				{
					$new_val = '';
					foreach($val as $v)
					{
						$new_val .= "#".$v."# ";
					}
					$val = $new_val;
				}
				if(!$field['clean_func'] || (!function_exists($field['clean_func']) && !is_array($field['clean_func'])))
					$val = ($val);
				else
					$val = apply_func($field['clean_func'],sql_free('|no_mc|'.$val));
				
				if(!empty($field['db_field']))
					$query_val[] = $val;	
			}
			
			$query_field[] = "userid";
			if(!$array['userid'])
			{ $userid = userid(); $query_val[] = $userid;  }
			else	
			{	$query_val[] = $array['userid']; $userid = $array['userid']; }
			
			$query_field[] = "date_added";
			$query_val[] = NOW();

			#pr($query_val,true);

			$query_field[] = "owner_ip";
			$query_val[] = $_SERVER['REMOTE_ADDR'];
			
			$query_field[] = "ext";
			$query_val[] = $array['ext'];
			
			$query_field[] = "photo_key";
			//$query_val[] = $array['photo_key'];
			$query_val[] = $this->photo_key();
			
			$query_field[] = "filename";
			$query_val[] = $array['filename'];

			$query_field[] = "active";
			$query_val[] = $array['active'];

			if($array['server_url'] && $array['server_url'] != "undefined")
			{
				$query_field[] = "server_url";
				$query_val[] = $array['server_url'];
			}
			
			if($array['folder'] && $array['folder'] != "undefined")
			{
				$query_field[] = "file_directory";
				$query_val[] = $array['folder'];
			}
			$query_val['0'] = $array['title'];
			
			$insert_id = $db->insert(tbl($this->p_tbl),$query_field,$query_val);
			$photo = $this->get_photo($insert_id);
			$this->collection->add_collection_item($insert_id,$photo['collection_id']);
			
			if(!$array['server_url'] || $array['server_url']=='undefined')
				$this->generate_photos($photo);
				
				
			$eh->flush();
			e(sprintf(lang("photo_is_saved_now"),$photo['photo_title']),"m");
			$db->update(tbl("users"),array("total_photos"),array("|f|total_photos+1")," userid='".$userid."'");
			
			//Adding Photo Feed
			addFeed(array('action' => 'upload_photo','object_id' => $insert_id,'object'=>'photo'));

			//var_dump($insert_id);
			
			return $insert_id;
		}
	}
	
	/**
	 * Update watermark file
	 */
	function update_watermark($file)
	{
		if(empty($file))
			e(lang("no_watermark_found"));
		else
		{
			$oldW = BASEDIR."/images/photo_watermark.png";
			if(file_exists($oldW))
				unset($oldW);
				
			$info = getimagesize($file['tmp_name']);
			$width = $info[0];
			$type = $info[2];
			
			//pr($info,TRUE);
			
			if($type == 3)
			{
				if(move_uploaded_file($file['tmp_name'],BASEDIR."/images/photo_watermark.png"))
				{
					$wFile = BASEDIR."/images/photo_watermark.png";
					if($width > $this->max_watermark_width)	
						$this->createThumb($wFile,$wFile,'png',$this->max_watermark_width);
				}
				e(lang("watermark_updated"),"m");
			} else {
				e(lang("upload_png_watermark"));	
			}
				
				
		}
	}
	
	/**
	 * Load Other Form
	 */
	function load_other_forms($array=NULL)
	{
		if($array==NULL)
			$array = $_POST;
		
		$comments = $array['allow_comments'];
		$broadcast = $array['broadcast'];
		$tagging = $array['allow_tagging'];
		$embedding = $array['allow_embedding'];
		$rating = $array['allow_rating'];
		$rand = $array['photo_key'];
			
		$Otherfields = array
		(
			'comments' => array(
								'title' => lang('comments'),
								'name' => 'allow_comments',
								'id' => 'allow_comments',
								'db_field' => 'allow_comments',
								'type' => 'radiobutton',
								'value' => array('yes' => lang('vdo_allow_comm'),'no' => lang('vdo_dallow_comm')),
								'required' => 'no',
								'checked' => $comments,
								'validate_function'=>'yes_or_no',
								'display_function' => 'display_sharing_opt',
								'default_value'=>'yes'
								),
			/*'broadcast' => array(
								 'title' => lang("vdo_br_opt"),
								 'type' => 'radiobutton',
								 'name' => 'broadcast',
								 'id' => 'broadcast',
								 'value' => array("public"=>lang("collect_borad_pub"),"private"=>lang("collect_broad_pri")),
								 'checked' => $broadcast,
								 'db_field' => 'broadcast',
								 'required' => 'no',
								 'display_function' => 'display_sharing_opt',
								 'default_value'=>'public'
								 ),*/
			/*'tagging' => array(
							  'title' => lang('tagging'),
							  'type' => 'radiobutton',
							  'id' => 'allow_tagging',
							  'name' => 'allow_tagging',
							  'db_field' => 'allow_tagging',
							  'type' => 'radiobutton',
							  'value' => array('yes' => lang('pic_allow_tagging'),'no' => lang('pic_dallow_tagging')),
							  'checked' => $tagging,
							  'validate_function'=>'yes_or_no',
							  'display_function' => 'display_sharing_opt',
							  'default_value'=>'yes'
							  ),*/
			'embedding' => array(
								 'title' => lang('vdo_embedding'),
								 'type' => 'radiobutton',
								 'name' => 'allow_embedding',
								 'id' => 'allow_embedding',
								 'db_field' => 'allow_embedding',
								 'value' => array('yes' => lang('pic_allow_embed'),'no' => lang('pic_dallow_embed')),
								 'checked' => $embedding,
							  	 'validate_function'=>'yes_or_no',
							 	 'display_function' => 'display_sharing_opt',
							 	 'default_value'=>'yes'
								 ),
			'rating' => array(
							  'title' => lang('rating'),
							  'id' => 'allow_rating',
							  'name' => 'allow_rating',
							  'type' => 'radiobutton',
							  'db_field' => 'allow_rating',
							  'value' => array('yes' => lang('pic_allow_rating'),'no' => lang('pic_dallow_rating')),
							  'checked' => $rating,
							  'validate_function'=>'yes_or_no',
							  'display_function' => 'display_sharing_opt',
							  'default_value'=>'yes'
							  )								 				  							  					 					
		);

		//pr($Otherfields,TRUE);
		return $Otherfields;	
	}
	
	
	/**
	 * This will return a formatted array
	 * return @Array
	 * Array Format: Multidemsional
	 * Array ( [photo_id] => array( ['field_name'] => 'value' ) )
	 */
	function return_formatted_post($arr)
	{
		$photoID = '';
		foreach($_POST as $key => $value)
		{	
			$parts =  explode('_',$key);
			$total = count($parts);
			$id = $parts[$total-1];
			$name = array_splice($parts,0,$total-1);
			$name = implode("_",$name);
							
			if($photoID != $id){
				$values = array();
				$photoID = $id;
			}
			
			if(is_numeric($id))
			{
				if (strpos($key, $id) !== FALSE)
				{				
					$values[$name] = $value;
					$PhotosArray[$id] = $values;
				}
			}
		}
		
		return $PhotosArray;	
	}
	
	/**
	 * This will be used to mutliple photos
	 * at once.
	 * Single update will be different.
	 */	
	function update_multiple_photos($arr)
	{
		global $db,$cbcollection,$eh;
		
		foreach($arr as $id => $details)
		{
			if(is_array($details))
			{
				$i = 0;
				$query = "UPDATE ".tbl('photos')." SET ";
				foreach($details as $key => $value)
				{
					$i++;
					$query .= "$key = '$value'";
					if($i<count($details))
						$query .= " , ";
										
				}
				
				$query .= " WHERE ".tbl('photos.photo_id')." = '$id'";

				$db->Execute($query);
				$cbcollection->add_collection_item($id,$details['collection_id']);
				
			}			
		}		
		$eh->flush();
	}
	
	/**
	 * Used to parse collections dropdown
	 */
	function parse_array($array)
	{
		if(is_array($array))
		{
			foreach($array as $key=>$v)
			{
				$cl_arr[$v['collection_id']] = $v['collection_name'];
			}			
			return $cl_arr;
		} else {
			return false;	
		}
	}
	
	/**
	 * Used to create filename of photo
	 */
	function create_filename()
	{
		$filename = time().RandomString(6);
		return $filename;	
	}	 
	
	/**
	 * Construct extensions for SWF
	 */
	function extensions()
	{
		$exts = $this->exts;
		$list = '';
		foreach($exts as $ext)
		{
			$list .= "*.".$ext.";";	
		}
		return $list;
			
	}
	
	/**
	 * Function used to validate form fields
	 */
	function validate_form_fields($array=NULL)
	{
		$reqFileds = $this->load_required_forms($array);
		
		if($array==NULL)
			$array = $_POST;
			
		if(is_array($_FILES))
			$array = array_merge($array,$_FILES);
				
		
		$otherFields = $this->load_other_forms($array);
		
		$photo_fields = array_merge($reqFileds,$otherFields);

		validate_cb_form($photo_fields,$array);	
	}
	
	/**
	 * Update Photo
	 */
	function update_photo($array=NULL)
	{
		global $db;
		
		if($array == NULL)
			$array = $_POST;
		$this->validate_form_fields($array);
		$pid = $array['photo_id'];
		$cid = $this->get_photo_field($pid,'collection_id');

		if(!error())
		{	
			$reqFields = $this->load_required_forms($array);
			$otherFields = $this->load_other_forms($array);
			
			$fields = array_merge($reqFields,$otherFields);
			
			foreach($fields as $field)
			{
				$name = formObj::rmBrackets($field['name']);
				$val = $array[$name];
				
				if($field['use_func_val'])
					$val = $field['validate_function']($val);
				
				
				if(!empty($field['db_field']))
				$query_field[] = $field['db_field'];
				
				if(is_array($val))
				{
					$new_val = '';
					foreach($val as $v)
					{
						$new_val .= "#".$v."# ";
					}
					$val = $new_val;
				}
				if(!$field['clean_func'] || (!function_exists($field['clean_func']) && !is_array($field['clean_func'])))
					$val = ($val);
				else
					$val = apply_func($field['clean_func'],sql_free('|no_mc|'.$val));
				
				if(!empty($field['db_field']))
				$query_val[] = $val;	
			}
			
			if(has_access('admin_access',TRUE))
			{
				if(isset($array['views']))
				{
					$query_field[] = 'views';
					$query_val[] = $array['views'];	
				}
				
				if(isset($array['total_comments']))
				{
					$query_field[] = "total_comments";
					$query_val[] = $array['total_comments'];	
				}
				
				if(isset($array['total_favorites']))
				{
					$query_field[] = "total_favorites";
					$query_val[] = $array['total_favorites'];	
				}
				
				if(isset($array['downloaded']))
				{
					$query_field[] = "downloaded";
					$query_val[] = $array['downloaded'];	
				}
				
				if(isset($array['voters']))
				{
					$query_field[] = "voters";
					$query_val[] = $array['voters'];	
				}
			}

			if(!error())
			{
				if(!userid())
					e(lang("you_not_logged_in"));
				elseif(!$this->photo_exists($pid))
					e(lang("photo_not_exists"));
				elseif($this->get_photo_owner($pid) != userid() && !has_access('admin_access',TRUE))
					e(lang("cant_edit_photo"));
				else
				{
					if($cid != $array['collection_id'])
					{
						$this->collection->change_collection($array['collection_id'],$pid,$cid);
					}
					
					$db->update(tbl('photos'),$query_field,$query_val," photo_id='$pid'");
					e(lang("photo_updated_successfully"),"m");
				}
			}
		}
		
			
	}
	
	/**
	 * Used to get image type
	 * t = Thumb 
	 * m = Medium 
	 * l = Large 
	 */
	function get_image_type($name)
	{
		if(empty($name))
			return false;
		else
		{
			$parts = explode("_",$name);
			if(is_array($parts))
			{
				if(!empty($parts[1]))
					return substr($parts[1],0,1);	
			}
		}
	}
		
	/**
	 * Used to get image file
	 */
	function get_image_file($pid,$size='t',$multi=false,$assign=NULL,$with_path=true,$with_orig=false)
	{

		$params = array("details"=>$pid,"size"=>$size,"multi"=>$multi,"assign"=>$assign,"with_path"=>$with_path,"with_orig"=>$with_orig);
		return get_image_file($params);
	}
	
	/**
	 * This will become a Smarty function.
	 * I am writting this to eliminate the possiblitles
	 * of distort pictures
	 */
	function getFileSmarty($p)
	{
		global $Cbucket;
		$details = $p['details'];
		$output = $p['output'];
		if(empty($details))
		{
			return $this->default_thumb($size,$output);	
		} else {		
			//Calling Custom Functions
			if(count($Cbucket->custom_get_photo_funcs) > 0)
			{
				
				foreach($Cbucket->custom_get_photo_funcs as $funcs)
				{
					if(function_exists($funcs))
					{
						$func_returned = $funcs($p);
						if($func_returned)
						return $func_returned;
					}
				}
			}
		
			if(($p['size'] != 't' && $p['size'] != 'm' && $p['size'] != 'l' && $p['size'] != 'o') || empty($p['size']))
				$p['size'] = 't';   
			
			if($p['with_path'] === FALSE) $p['with_path'] = FALSE; else $p['with_path'] = TRUE;
			$with_path = $p['with_path'];
			$with_orig = $p['with_orig'] ? $p['with_orig'] : FALSE;
			
			if(!is_array($details))
				$photo = $this->get_photo($details);
			else
				$photo = $details;
				
			if(empty($photo['photo_id']) || empty($photo['photo_key']))		
				return $this->default_thumb($size,$output);
			else
			{
				if(!empty($photo['filename']) && !empty($photo['ext']))
				{
					$files = glob(PHOTOS_DIR."/".$photo['filename']."*.".$photo['ext']);
					if(!empty($files) && is_array($files))
					{
						
						foreach($files as $file)
						{
							$file_parts = explode("/",$file);
							$thumb_name = $file_parts[count($file_parts)-1];
							
							$type = $this->get_image_type($thumb_name);
							if($with_orig)
							{
								if($with_path)
									$thumbs[] = PHOTOS_URL."/".$thumb_name;
								else
									$thumbs[] = $thumb_name;
							}
							elseif(!empty($type))
							{
								if($with_path)
									$thumbs[] = PHOTOS_URL."/".$thumb_name;
								else
									$thumbs[] = $thumb_name;	
							}
						}
						
						if(empty($p['output']) || $p['output'] == 'non_html')
						{
							if($p['assign'] && $p['multi'])
							{
								assign($p['assign'],$thumbs);
							} elseif(!$p['assign'] && $p['multi']) {
								return $thumbs;	
							} else {
								
								$size = "_".$p['size'];
								
								$return_thumb = array_find($photo['filename'].$size,$thumbs);
								
								if(empty($return_thumb))
								{
									$this->default_thumb($size,$output);
								} else {
									if($p['assign'] != NULL)
										assign($p['assign'],$return_thumb);
									else
										return $return_thumb;
								}
							}
						}
						
						if($p['output'] == 'html')
						{
							
							$size = "_".$p['size'];
								
							$src = array_find($photo['filename'].$size,$thumbs);
							if(empty($src))
								$src = $this->default_thumb($size);
							else
								$src = $src;
								
							if(phpversion < '5.2.0')
								global $json; $js = $json;
							
							if(!empty($js))
								$imgDetails = $js->json_decode($photo['photo_details'],true);
							else
								$imgDetails = json_decode($photo['photo_details'],true);
								
							if(empty($imgDetails) || empty($imgDetails[$p['size']]))	
							{
								$dem = getimagesize(str_replace(PHOTOS_URL,PHOTOS_DIR,$src));
								$width = $dem[0];
								$height = $dem[1];
								/* UPDATEING IMAGE DETAILS */
								$this->update_image_details($details);	
							} else {
								$width = $imgDetails[$p['size']]['width'];
								$height = $imgDetails[$p['size']]['height'];	
							}
							
							$img = "<img ";
							$img .= "src = '".$src."'";
							
							if($p['id'])
								$img .= " id = '".mysql_clean($p['id'])."_".$photo['photo_id']."'";
								
							if($p['class'])
								$img .= " class = '".mysql_clean($p['class'])."'";
								
							if($p['align'])
								$img .= " align = '".$p['align']."'";
							if(($p['width'] && is_numeric($p['width'])) && ($p['height'] && is_numeric($p['height'])))
							{
								$height = $p['height'];
								$width  = $p['width'];	
							}
							elseif($p['width'] && is_numeric($p['width']))
							{
								$height = round($p['width'] / $width * $height);
								$width = $p['width'];
							}
							elseif($p['height'] && is_numeric($p['height']))
							{
								$width = round($p['height'] * $width  /  $height);
								$height = $p['height']; 	
							}
							
							$img .= " width = '".$width."'";
							$img .= " height = '".$height."'";
							
							if($p['title'])
								$img .= " title = '".mysql_clean($p['title'])."'";
							else
								$img .= " title = '".$photo['photo_title']."'";
									
							if($p['alt'])
								$img .= " alt = '".mysql_clean($p['alt'])."'";
							else
								$img .= " alt = '".$photo['photo_title']."'";
									
							if($p['anchor'])
							{
								$anchor_p = array("place"=>$p['anchor'],"data"=>$photo);
								ANCHOR($anchor_p);	
							}
							
							if($p['style'])
								$img .= " style = '".$p['style']."'";
							
							if($p['extra'])
								$img .= ($p['extra']);
								
							$img .= " />";
							
							if($p['assign'])
								assign($p['assign'],$img);
							else	
								return $img;
						}
					} else {
						return $this->default_thumb($size,$output);	
					}
				}
			}
		}
	}
	
	/**
	 * Will be called when collection is being deleted
	 * This will make photos in the collection orphan
	 * User will be able to access them in orphan photos
	 */
	function make_photo_orphan($details,$pid=NULL)
	{
		global $db;
		if(!is_array($details) && is_numeric($details))
		{
			$c = $this->collection->get_collection($details);
			$cid = $c['collection_id'];
		}
		else	
			$cid = $details['collection_id'];
		if(!empty($pid))
			$cond = " AND photo_id = $pid";
			
		$db->update(tbl('photos'),array('collection_id'),array('0')," collection_id = $cid $cond");
	}
	
	/**
	 * This will create download button for
	 * photo
	 */
	function download_button($params)
	{
		$output = '';
		if(!is_array($params['details']))
			$p = $this->get_photo($params['details']);
		else
			$p = $params['details'];
			
		$text = lang('download_photo');
		if(config('photo_download') == 1 && !empty($p))
		{	
			if($params['return_url'])
			{
				$output = $this->photo_links($p,'download_photo');
				if($params['assign'])
				{
					assign($params['assign'],$output);
					return;
				}
				else
					return $output;		
			}
			
			if($params['output'] == '' || $params['output'] == 'link')
			{
				$output .= "<a href='".$this->photo_links($p,'download_photo')."'";
				if($params['id'])
					$output .= " id = '".$params['id']."'";
				if($params['class'])
					$output .= " class = '".$params['class']."'";
				if($params['target'])
					$output .= " target = '".$params['target']."'";
				if($params['style'])
					$output .= " style = '".$params['style']."'";
				if($params['title'])
					$output .= " title = '".$params['title']."'";
				if($params['relation'])
					$output .= " rel = '".$params['relation']."'";									
				$output .= ">".$text."</a>";	
			}
			
			if($params['output'] == "div")
			{
				$link = "'".$this->photo_links($p,'download')."'";
				$new_window = $params['new_window'] ? "'new'" : "'same'";
				$output .= '<div onClick = "openURL('.$link.','.$new_window.')"';
				if($params['id'])
					$output .= " id = '".$params['id']."'";
				if($params['class'])
					$output .= " class = '".$params['class']."'";
				if($params['style'])
					$output .= " style = '".$params['style']."'";
				if($params['align'])
					$output .= " align = '".$params['align']."'";	
				$output .= '>'.$text.'</div>';	
			}
			
			if($params['assign'])
				assign($params['assign'],$output);
			else
				return $output;
		}
	}
	
	/**
	 * Used to load upload more photos
	 * This button will only appear if collection type is photos
	 * and user logged-in is Collection Owner
	 */
	function upload_photo_button($arr)
	{
		$cid = $arr['details'];
		//pr($arr,TRUE);
		$text = lang("add_more");
		$result = '';			
		if(!is_array($cid))
			$details = $this->collection->get_collection($cid);
		else
			$details = $cid;
			
		if($details['type'] == 'photos' && $details['userid'] == user_id())
		{
			$output = $arr['output'];
			if($arr['return_url'])
			{
				$result = $this->photo_links($details,'upload_more');
				if($arr['assign'])
				{
					assign($arr['assign'],$result);
					return;
				}
				else
						return $result;
			}
			
			if(empty($output) || $output == "button")
			{
				$result .= '<button type="button"';
				$link = "'".$this->photo_links($details,'upload_more')."'";
				if($arr['new_window'] || $arr['target'] == "_blank")
					$new_window = "'new'";
				else
					$new_window = "'same'";
						
				$result .= 'onClick = "openURL('.$link.','.$new_window.')"';
				if($arr['id'])
					$result .= ' id = "'.$arr['id'].'"';
				if($arr['class'])
					$result .= ' class = "'.$arr['class'].'"';
				if($arr['title'])
					$result .= ' title = "'.$arr['title'].'"';
				if($arr['style'])
					$result .= ' style = "'.$arr['style'].'"';
				if($arr['extra'])
					$result .=	mysql_clean($arr['extra']);
					 	
				$result .= ">".$text."</button>";	
						 
			}
			
			if($output == "div")
			{
				$result .= '<div ';
				$link = "'".$this->photo_links($details,'upload_more')."'";
				if($arr['new_window'] || $arr['target'] == "_blank")
					$new_window = "'new'";
				else
					$new_window = "'same'";
				$result .= 'onClick = "openURL('.$link.','.$new_window.')"';
				if($arr['id'])
					$result .= ' id = "'.$arr['id'].'"';
				if($arr['align'])
					$result .= ' align = "'.$arr['align'].'"';	
				if($arr['class'])
					$result .= ' class = "'.$arr['class'].'"';
				if($arr['title'])
					$result .= ' title = "'.$arr['title'].'"';
				if($arr['style'])
					$result .= ' style = "'.$arr['style'].'"';
				if($arr['extra'])
					$result .=	mysql_clean($arr['extra']);
					 	
				$result .= ">".$text."</div>";
			}
			
			if($output == "link")
			{
				$result .= '<a href="'.$this->photo_links($details,'upload_more').'"';
				
				if($arr['new_window'])
					$result .= ' target = "_blank"';
				elseif($arr['target'])
					$result .= ' target = "'.$arr['target'].'"';
					
				if($arr['id'])
					$result .= ' id = "'.$arr['id'].'"';
				if($arr['align'])
					$result .= ' align = "'.$arr['align'].'"';	
				if($arr['class'])
					$result .= ' class = "'.$arr['class'].'"';
				if($arr['title'])
					$result .= ' title = "'.$arr['title'].'"';
				if($arr['style'])
					$result .= ' style = "'.$arr['style'].'"';
				if($arr['extra'])
					$result .=	mysql_clean($arr['extra']);
					 	
				$result .= ">".$text."</a>";
			}
			
			if($arr['assign'])
				assign($arr['assign'],$result);
			else
				return $result;	
		} else {
			return FALSE;	
		}
	}
	
	/**
	 * used to create links
	 */
	function photo_links($details,$type)
	{
		if(empty($type))
			return BASEURL;
		else
		{
			switch($type)
			{
				case "upload":
				{
					if(SEO == "yes")
						$link = BASEURL."/photo_upload";
					else
						$link = BASEURL."/photo_upload.php";		
				}
				break;
				
				case "upload_more":
				{
					if(SEO == "yes")
						$link = BASEURL."/photo_upload/".$this->encode_key($details['collection_id']);
					else
						$link = BASEURL."/photo_upload.php?collection=".$this->encode_key($details['collection_id']);		
				}
				break;
				
				case "download_photo":
				case "download":
				{
					return BASEURL."/download_photo.php?download=".$this->encode_key($details['photo_key']);	
				}
				
				case "view_item":
				case "view_photo":
				{
					return $this->collection->collection_links($details,'view_item');
				}
				break;
			}
			return $link;
		}
	}
	
	/**
	 * Used to return default thumb
	 */
	function default_thumb($size=NULL,$output=NULL)
	{
		if($size != "_t" && $size != "_m")
			$size = "_m";
			
		if(file_exists(TEMPLATEDIR."/images/thumbs/no-photo".$size.".png"))
			$path = TEMPLATEURL."/images/thumbs/no-photo".$size.".png";
		else
			$path = PHOTOS_URL."/no-photo".$size.".png";
			
		if(!empty($output) && $output == "html")
			echo "<img src='".$path."' />";
		else
			return $path;					
	}
	
	/**
	 * Used to add comment
	 */
	function add_comment($comment,$obj_id,$reply_to=NULL,$force_name_email=false)
	{
		global $myquery;
		$photo = $this->get_photo($obj_id);
		if(empty($photo))
			e("photo_not_exist");
		else
		{
			$ownerID = $photo['userid'];
			$photoLink = $this->photo_links($photo,'view_item');
			$comment = $myquery->add_comment($comment,$obj_id,$reply_to,'p',$ownerID,$photoLink,$force_name_email);
			if($comment)
			{
				//Updating Number of comments of photo if comment is not a reply
				if ($reply_to < 1)
				$this->update_total_comments($obj_id);	
			}
			return $comment;	
		}
	}
	
	/**
	 * Function used to update total comments of collection 
	 */
	function update_total_comments($pid)
	{
		global $db;
		$count = $db->count(tbl("comments"),"comment_id"," type = 'p' AND type_id = '$pid' AND parent_id='0'");
		$db->update(tbl('photos'),array("total_comments","last_commented"),array($count,now())," photo_id = '$pid'");	
	}	
	
	/**
	 * Used to check if collection can add
	 * photos or not
	 */
	function is_addable($cid)
	{
		if(!is_array($cid))
			$details = $this->collection->get_collection($cid);
		else
			$details = $cid;
				
		if(empty($details))
		{
			return false;	
		} else {
			if(($details['active'] == 'yes' || $details['broadcast'] == 'public') && $details['userid'] == userid())
				return true;
			elseif($details['userid'] == userid())
				return true;
			else
				return false;		
		}
	}
	
	/**
	 * Used to display photo voterts details.
	 * User who rated, how many stars and when user rated
	 */
	function photo_voters($id,$return_array=FALSE,$show_all=FALSE)
	{
		global $json;
		$p = $this->get_photo($id);
		if((!empty($p) && $p['userid'] == userid()) || $show_all === TRUE)
		{
			global $userquery;
			$voters = $p['voters'];
			if(phpversion() < "5.2.0")
				$voters = $json->json_decode($voters,TRUE);
			else
				$voters = json_decode($voters,TRUE);
				
			if(!empty($voters))	
			{
				if($return_array)
					return $voters;
				else
				{
					foreach($voters as $id=>$details)
					{
						$username = get_username($id);
						$output = "<li id='user".$id.$p['photo_id']."' class='PhotoRatingStats'>";
						$output .= "<a href='".$userquery->profile_link($id)."'>$username</a>";
						$output .= " rated <strong>". $details['rate']/2 ."</strong> stars <small>(";
						$output  .= niceTime($details['time']).")</small>";
						$output .= "</li>";
						echo $output;		
					}	
				}
			}
		} else
			return false;
	}
	
	/**
	 * Used to get current rating
	 */
	function current_rating($id)
	{
		global $db;
		
		if(!is_numeric($id))
			$result = $db->select(tbl('photos'),'userid,allow_rating,rating,rated_by,voters'," photo_key = ".$id."");
		else
			$result = $db->select(tbl('photos'),'userid,allow_rating,rating,rated_by,voters'," photo_id = ".$id."");
			
		if($result)
			return $result[0];
		else
			return false;				
	}
	
	/**
	 * Used to rate photo
	 */
	function rate_photo($id,$rating)
	{
		global $db,$json;
		
		if(!is_numeric($rating) || $rating <= 9)
			$rating = 0;
		if($rating >= 10)
			$rating = 10;
			
		$c_rating = $this->current_rating($id);
		$voters   = $c_rating['voters'];
		
		$new_rate = $c_rating['rating'];
		$rated_by = $c_rating['rated_by'];
		
		if(phpversion < '5.2.0')
			$voters = $json->json_decode($voters,TRUE);
		else
			$voters = json_decode($voters,TRUE);

		if(!empty($voters))
			$already_voted = array_key_exists(userid(),$voters);
			
		if(!userid())
			e(lang("please_login_to_rate"));
		elseif(userid()==$c_rating['userid'] && !config('own_photo_rating'))
			e(lang("you_cannot_rate_own_photo"));
		elseif(!empty($already_voted))
			e(lang("you_hv_already_rated_photo"));
		elseif($c_rating['allow_rating'] == 'no' || !config('photo_rating'))
			e(lang("photo_rate_disabled"));
		else
		{
			$voters[userid()] = array('rate'=>$rating,'time'=>NOW());
			if(phpversion < '5.2.0')
				$voters = $json->json_encode($voters);
			else
				$voters = json_encode($voters);
					
			$t = $c_rating['rated_by'] * $c_rating['rating'];
			$rated_by = $c_rating['rated_by'] + 1;
			$new_rate = ($t + $rating) / $rated_by;
			$db->update(tbl('photos'),array('rating','rated_by','voters'),array("$new_rate","$rated_by","|no_mc|$voters")," photo_id = ".$id."");
			$userDetails = array(
				"object_id"	=>	$id,
				"type"	=>	"photo",
				"time"	=>	now(),
				"rating"	=>	$rating,
				"userid"	=>	userid(),
				"username"	=>	username()
			);	
			/* Updating user details */		
			update_user_voted($userDetails);			
			e(lang("thnx_for_voting"),"m");			
		}
		
		$return = array("rating"=>$new_rate,"rated_by"=>$rated_by,'total'=>10,"id"=>$id,"type"=>"photo","disable"=>"disabled");
		return $return;	
	}
	
	/**
	 * Used to generate different
	 * embed codes
	 */
	function generate_embed_codes($p)
	{
		$details	= $p['details'];
		$type		= $p['type'];
		$size		= $p['size'] ? $p['size'] : 'm';
		
		if(is_array($details))
			$photo = $details;
		else
			$photo = $this->get_photo($detials);
							
		switch($type)
		{
			case "html":
			{
				if($p['with_url'])
					$code .= "&lt;a href='".$this->collection->collection_links($photo,'view_item')."' target='_blank'&gt;";
				$code .= "&lt;img src='".$this->get_image_file($photo,$size)."' title='".$photo['photo_title']."' alt='".$photo['photo_title']."&nbsp;".TITLE."' /&gt;";
				if($p['with_url'])
					$code .= "&lt;/a&gt;";	
			}
			break;
			
			case "forum":
			{
				if($p['with_url'])
					$code .= "&#91;URL=".$this->collection->collection_links($photo,'view_item')."&#93;";
				$code .= "&#91;IMG&#93;".$this->get_image_file($photo,$size)."&#91;/IMG&#93;";
				if($p['with_url'])
					$code .= "&#91;/URL&#93;";	
			}
			break;
			
			case "email":
			{
				$code .= $this->collection->collection_links($photo,'view_item');
			}
			break;
			
			case "direct":
			{
				$code .= $this->get_image_file($photo,"o");
			}
			break;
			
			default:
			return false;	
		}
		
		return $code;
	}
	
	/**
	 * Embed Codes
	 */
	function photo_embed_codes($newArr)
	{
		#pr($newArr,true);

		if(empty($newArr['details']))
		{
			echo "<div class='error'>".e(lang("need_photo_details"))."</div>";
		}
		elseif($newArr['details']['allow_embedding'] == 'no')
		{
			echo "<div class='error'>".e(lang("embedding_is_disabled"))."</div>";
		}
		else
		{		
			$t = $newArr['type'];
			if(is_array($t))
				$types = $t;
			elseif($t == 'all')
				$types = $this->embed_types;
			else	
				$types = explode(',',$t);
				
			foreach($types as $type)
			{
				$type = strtolower($type);
				if(in_array($type,$this->embed_types)) {
					$type = str_replace(' ','',$type);
					$newArr['type'] = $type;
					$codes[] = array("name"=>ucwords($type),"type"=>$type,"code"=>$this->generate_embed_codes($newArr));
				}
			}
			#pr($codes,true);
			if($newArr['assign'])
				assign(mysql_clean($newArr['assign']),$codes);
			else
				return $codes;
		}
	}
	
	/**
	 * Used encode photo key
	 */
	function encode_key($key)
	{
		return base64_encode(serialize($key));
	}
	
	/**
	 * Used encode photo key
	 */
	function decode_key($key)
	{
		return unserialize(base64_decode($key));
	}
	
	function incrementDownload($Array)
	{
		global $db;
		if(!isset($_COOKIE[$Array['photo_id']."_downloaded"]))
		{
			$db->update(tbl('photos'),array('downloaded'),array('|f|downloaded+1'),' photo_id = "'.$Array['photo_id'].'"');
			setcookie($Array['photo_id']."_downloaded",NOW(),time()+1800);	
		}
	}
	
	function download_photo($key)
	{
		
		$file = $this->ready_photo_file($key);
		
		if($file)
		{
			
			if($file['details']['server_url'])
			{
				$url = dirname(dirname($file['details']['server_url']));
				header('location:'.$url.'/download_photo.php?file='.$file['details']['filename']
				.'.'.$file['details']['ext'].'&folder='.$file['details']['file_directory']
				.'&title='.urlencode($file['details']['photo_title']));
				
				$this->incrementDownload($p);
				return true;
			}
			$p = $file['details'];
			$mime_types=array();
			$mime_types['gif']   = 'image/gif';
			$mime_types['jpe']   = 'image/jpeg';
			$mime_types['jpeg']  = 'image/jpeg';
			$mime_types['jpg']   = 'image/jpeg';
			$mime_types['png']	 = 'image/png';
			
			if(array_key_exists($p['ext'],$mime_types)){
				$mime = $mime_types[$p['ext']];
				if(file_exists($file['file_dir']))
				{
					if(is_readable($file['file_dir']))
					{
						$size = filesize($file['file_dir']);
						if($fp=@fopen($file['file_url'],'r')) {
							$this->incrementDownload($p);
							// sending the headers
							header("Content-type: $mime");
							header("Content-Length: $size");
							header("Content-Disposition: attachment; filename=\"".$p['photo_title'].".".$p['ext']."\"");
							// send the file content
							fpassthru($fp);
							// close the file
							fclose($fp);
							// and quit
							exit;	
						}
					} else {
						e(lang("photo_not_readable"));	
					}
				} else {
					e(lang("photo_not_exist"));	
				}
			} else {
				e(lang("wrong_mime_type"));	
			}
		} else
			return false;
	}	
		
	/**
	 * Ready photo for downloading
	 */
	function ready_photo_file($pid)
	{
		$photo = $this->get_photo($pid);
		if(empty($photo))
			e(lang("photo_not_exist"));
		else
		{
			if(!$this->collection->is_viewable($photo['collection_id']))
				return false;
			else
			{
				$filename = $this->get_image_file($photo['photo_id'],'o',FALSE,FALSE,FALSE);
				$returnArray = array(
									 "file_dir" => PHOTOS_DIR."/".$filename,
									 "file_url" => PHOTOS_URL."/".$filename,
									 "filename" => $filename,
									 "details" => $photo
									 );
				return $returnArray;									 
			}
		}
	}
	
	/**
	 * Used to perform photo actions
	 */
	function photo_actions($action,$id)
	{
		global $db;
		
		switch($action)
		{
			case "activate":
			case "activation":
			case "ap":
			{
				$db->update(tbl($this->p_tbl),array("active"),array("yes")," photo_id = $id");
				e(lang("photo_activated"),"m");
			}
			break;
			
			case "deactivate":
			case "deactivation":
			case "dap":
			{
				$db->update(tbl($this->p_tbl),array("active"),array("no")," photo_id = $id");
				e(lang("photo_deactivated"),"m");	
			}
			break;
			
			case "make_featured":
			case "feature_photo":
			case "fp":
			{
				$db->update(tbl($this->p_tbl),array("featured"),array("yes")," photo_id = $id");
				e(lang("photo_featured"),"m");	
			}
			break;
			
			case "make_unfeatured":
			case "unfeature_photo":
			case "ufp":
			{
				$db->update(tbl($this->p_tbl),array("featured"),array("no")," photo_id = $id");
				e(lang("photo_unfeatured"),"m");	
			}
			break;
		}
	}

}
 
?>