<?php defined('C5_EXECUTE') or die("Access Denied.");


	class Concrete5_Model_FileSetList extends DatabaseItemList {
	
		protected $itemsPerPage = 10;
		
		public function filterByKeywords($kw) {
			$db = Loader::db();
			$this->filter(false, "(FileSets.fsName like " . $db->qstr('%' . $kw . '%') . ")");
		}
		
		function __construct() {
			$this->setQuery("select FileSets.fsID from FileSets");
			$this->sortBy('fsName', 'asc');
		}
		
		public function filterByType($fsType) {
			switch($fsType) {
				case FileSet::TYPE_PRIVATE:
					$u = new User();
					$this->filter('FileSets.uID', $u->getUserID());
					break;
			}
			$this->filter('FileSets.fsType', $fsType);
		}
		
		public function get($itemsToGet = 0, $offset = 0) {
			$sets = array();
			$r = parent::get($itemsToGet, $offset);
			foreach($r as $row) {
				$fs = FileSet::getByID($row['fsID']);
				if (is_object($fs)) {
					$sets[] = $fs;
				}
			}
			return $sets;
		}

	}
	
	class Concrete5_Model_FileSet extends Model {
		const TYPE_PRIVATE 	= 0;
		const TYPE_PUBLIC 	= 1;
		const TYPE_STARRED 	= 2;
		const TYPE_SAVED_SEARCH = 3;
		protected $fileSetFiles;
	
		/** 
		 * Returns an object mapping to the global file set, fsID = 0.
		 * This is really only used for permissions mapping
		 */
		 
		public function getGlobal() {
			$fs = new FileSet;
			$fs->fsID = 0;
			return $fs;
		}
		
		public function getFileSetUserID() {return $this->uID;}
		public function getFileSetType() {return $this->fsType;}
		
		public function getSavedSearches() {
			$db = Loader::db();
			$sets = array();
			$u = new User();
			$r = $db->Execute('select * from FileSets where fsType = ? and uID = ? order by fsName asc', array(FileSet::TYPE_SAVED_SEARCH, $u->getUserID()));
			while ($row = $r->FetchRow()) {
				$fs = new FileSet();
				$fs->Set($row);
				$sets[] = $fs;
			}
			return $sets;
		}

		public function getPermissionObjectIdentifier() {
			return $this->getFileSetID();
		}
		
		public function getMySets($u = false) {
			if ($u == false) {
				$u = new User();
			}
			$db = Loader::db();
			$sets = array();
			$r = $db->Execute('select * from FileSets where fsType = ? or (fsType in (?, ?) and uID = ?) order by fsName asc', array(FileSet::TYPE_PUBLIC, FileSet::TYPE_STARRED, FileSet::TYPE_PRIVATE, $u->getUserID()));
			while ($row = $r->FetchRow()) {
				$fs = new FileSet();
				$fs->Set($row);
				$fsp = new Permissions($fs);
				if ($fsp->canSearchFiles()) {
					$sets[] = $fs;
				}
			}
			return $sets;
		}
		
		public function updateFileSetDisplayOrder($files) {
			$db = Loader::db();
			$db->Execute('update FileSetFiles set fsDisplayOrder = 0 where fsID = ?', $this->getFileSetID());
			$i = 0;
			if (is_array($files)) { 
				foreach($files as $fID) {
					$db->Execute('update FileSetFiles set fsDisplayOrder = ? where fsID = ? and fID = ?', array($i, $this->getFileSetID(), $fID));
					$i++;
				}
			}
		}
		
		/**
		 * Get a file set object by a file set's id
		 * @param int $fsID
		 * @return FileSet
		 */
		public static function getByID($fsID) {
			$db = Loader::db();
			$row = $db->GetRow('select * from FileSets where fsID = ?', array($fsID));
			if (is_array($row)) {
				$fs = new FileSet();
				$fs->Set($row);
				if ($row['fsType'] == FileSet::TYPE_SAVED_SEARCH) {
					$row2 = $db->GetRow('select fsSearchRequest, fsResultColumns from FileSetSavedSearches where fsID = ?', array($fsID));
					$fs->fsSearchRequest = @unserialize($row2['fsSearchRequest']);
					$fs->fsResultColumns = @unserialize($row2['fsResultColumns']);
				}
				return $fs;
			}
		}
		
		/**
		 * Get a file set object by a file name
		 * @param string $fsName
		 * @return FileSet
		 */
		public static function getByName($fsName) {
			$db = Loader::db();
			$row = $db->GetRow('select * from FileSets where fsName = ?', array($fsName));
			if (is_array($row) && count($row)) {
				$fs = new FileSet();
				$fs->Set($row);
				return $fs;
			}
		}			
		
		public function getFileSetID() {
			if ($this->fsID) {
				return $this->fsID;
			}
			return 0;
		}
		public function overrideGlobalPermissions() {return $this->fsOverrideGlobalPermissions;}
		
		public function getFileSetName() {return $this->fsName;}	
		
		/**
		 * Creats a new fileset if set doesn't exists
		 *
		 * If we find a multiple groups with the same properties,
		 * we return an array containing each group
		 * @param string $fs_name
		 * @param int $fs_type
		 * @param int $fs_uid
		 * @return Mixed 
		 *
		 * Dev Note: This will create duplicate sets with the same name if a set exists owned by another user!!! 
		 */		
		public static function createAndGetSet($fs_name, $fs_type, $fs_uid=false) {
			if (!$fs_uid) {
				$u = new User();
				$fs_uid = $u->uID;
			}
			
			$file_set = new FileSet();
			$criteria = array($fs_name,$fs_type,$fs_uid);
			$matched_sets = $file_set->Find('fsName=? AND fsType=? and uID=?',$criteria);
			
			if (1 === count($matched_sets) ) {
				return $matched_sets[0];
			}
			else if (1 < count($matched_sets)) {
				return $matched_sets;
			}
			else{
				//AS: Adodb Active record is complaining a ?/value array mismatch unless
				//we explicatly set the primary key ID field to null					
				$file_set->fsID		= null;
				$file_set->fsName 	= $fs_name;
				$file_set->fsOverrideGlobalPermissions = 0;
				$file_set->fsType 	= $fs_type;
				$file_set->uID		= $fs_uid;
				$file_set->save();

				$db = Loader::db();
				$fsID = $db->Insert_Id();
				$fs = FileSet::getByID($fsID);
				Events::fire('on_file_set_add', $fs);
				return $fs;
			}			
		}
		
		/**
		* Adds the file to the set
		* @param type $fID  //accepts an ID or a File object
		* @return object
		*/		
		public function addFileToSet($f_id) {
			if (is_object($f_id)) {
				$f_id = $f_id->getFileID();
			}			
			$file_set_file = FileSetFile::createAndGetFile($f_id,$this->fsID);
			Events::fire('on_file_added_to_set', $f_id, $this->getFileSetID());
			return $file_set_file;
		}
		
		public function getSavedSearchRequest() {
			return $this->fsSearchRequest;
		}
		
		public function getSavedSearchColumns() {
			return $this->fsResultColumns;
		}
		public function removeFileFromSet($f_id){
			if (is_object($f_id)) {
				$f_id = $f_id->fID;
			}
			$db = Loader::db();
			$db->Execute('DELETE FROM FileSetFiles 
			WHERE fID = ? 
			AND   fsID = ?', array($f_id, $this->getFileSetID()));
			Events::fire('on_file_removed_from_set', $f_id, $this->getFileSetID());
		}

		/**
		* Get a list of files asociated with this set
		*
		* Can obsolete this when we get version of ADOdB with one/many support
		* @return type $var_name
		*/		
		private function populateFiles(){			
			$utility 			= new FileSetFile();
			$this->fileSetFiles = $utility->Find('fsID = ? ORDER BY fsDisplayOrder', array($this->fsID));
		}
		
		public function hasFileID($f_id){
			if (!is_array($this->fileSetFiles)) {
				$this->populateFiles();
			}			
			foreach ($this->fileSetFiles as $file) {
				if($file->fID == $f_id){
					return true;
				}
			}
		}

		/**
		 * Returns an array of File objects from the current set
		 * @return array
		 */
		public function getFiles() {
			if (!$this->fileSetFiles) { $this->populateFiles();	}
			$files = array();
			foreach ($this->fileSetFiles as $file) {
				$files[] = File::getByID($file->fID);
			}
			return $files;
		}

		/**
		 * Static method to return an array of File objects by the set id
		 * @param  int $fsID
		 * @return array
		 */
		public static function getFilesBySetID($fsID) {
			if (intval($fsID) > 0) {
				$fileset = self::getByID($fsID);
				if ($fileset instanceof FileSet) {
					return $fileset->getFiles();
				}
			}
		}

		/**
		 * Static method to return an array of File objects by the set name
		 * @param  string $fsName
		 * @return array
		 */
		public static function getFilesBySetName($fsName) {
			if (!empty($fsName)) {
				$fileset = self::getByName($fsName);
				if ($fileset instanceof FileSet) {
					return $fileset->getFiles();
				}
			}
		}
		
		public function delete() {
			parent::delete();
			$db = Loader::db();
			$db->Execute('delete from FileSetSavedSearches where fsID = ?', array($this->fsID));
		}
		
		public function resetPermissions() {
			$db = Loader::db();
			$db->Execute('delete from FileSetPermissionAssignments where fsID = ?', array($this->fsID));
		}
		
		public function acquireBaseFileSetPermissions() {
			$this->resetPermissions();

			$db = Loader::db();

			$q = "select fsID, paID, pkID from FileSetPermissionAssignments where fsID = 0";
			$r = $db->query($q);
			while($row = $r->fetchRow()) {
				$v = array($this->fsID, $row['paID'], $row['pkID']);
				$q = "insert into FileSetPermissionAssignments (fsID, paID, pkID) values (?, ?, ?)";
				$db->query($q, $v);
			}
	
		}
		
		public function assignPermissions($userOrGroup, $permissions = array(), $accessType = FileSetPermissionKey::ACCESS_TYPE_INCLUDE) {
			$db = Loader::db();
			if ($this->fsID > 0) { 
				$db->Execute("update FileSets set fsOverrideGlobalPermissions = 1 where fsID = ?", array($this->fsID));
				$this->fsOverrideGlobalPermissions = true;
			}
			
			if (is_array($userOrGroup)) { 
				$pe = GroupCombinationPermissionAccessEntity::getOrCreate($userOrGroup);
				// group combination
			} else if ($userOrGroup instanceof User || $userOrGroup instanceof UserInfo) { 
				$pe = UserPermissionAccessEntity::getOrCreate($userOrGroup);
			} else { 
				// group;
				$pe = GroupPermissionAccessEntity::getOrCreate($userOrGroup);
			}
			
			foreach($permissions as $pkHandle) { 
				$pk = PermissionKey::getByHandle($pkHandle);
				$pk->setPermissionObject($this);
				$pa = $pk->getPermissionAccessObject();
				if (!is_object($pa)) {
					$pa = PermissionAccess::create($pk);
				} else if ($pa->isPermissionAccessInUse()) {
					$pa = $pa->duplicate();
				}
				$pa->addListItem($pe, false, $accessType);
				$pt = $pk->getPermissionAssignmentObject();
				$pt->assignPermissionAccess($pa);
			}
		}


	}
	
	class Concrete5_Model_FileSetFile extends Model {
		public static function createAndGetFile($f_id, $fs_id){	
			$file_set_file = new FileSetFile();
			$criteria = array($f_id,$fs_id);		
			
			$matched_sets = $file_set_file->Find('fID=? AND fsID=?',$criteria);
			
			if (1 === count($matched_sets) ) {
				return $matched_sets[0];
			}
			else if (1 < count($matched_sets)) {
				return $matched_sets;
			}
			else{
				//AS: Adodb Active record is complaining a ?/value array mismatch unless
				//we explicatly set the primary key ID field to null
				$db = Loader::db();
				$fsDisplayOrder = $db->GetOne('select count(fID) from FileSetFiles where fsID = ?', $fs_id);
				$file_set_file->fsfID = null;
				$file_set_file->fID =  $f_id;			
				$file_set_file->fsID = $fs_id;
				$file_set_file->timestamp = null;
				$file_set_file->fsDisplayOrder = $fsDisplayOrder;
				$file_set_file->Save();
				return $file_set_file;
			}			
		}
	}
	
	class Concrete5_Model_FileSetSavedSearch extends Concrete5_Model_FileSet {
		
		public static function add($name, $searchRequest, $searchColumnsObject) {
			$fs = parent::createAndGetSet($name, FileSet::TYPE_SAVED_SEARCH);
			$db = Loader::db();
			$v = array($fs->getFileSetID(), serialize($searchRequest), serialize($searchColumnsObject));
			$db->Execute('insert into FileSetSavedSearches (fsID, fsSearchRequest, fsResultColumns) values (?, ?, ?)', $v);
			return $fs;
		}
	
	}