<?php
/*
* Column Optionen
*/
define("COLUMN_OPTION_ONLINE",          1 << 0);
define("COLUMN_OPTION_LOCAL_PERMS",     1 << 1);

define("COLUMN_PERM_EDIT_COLUMN",       1 << 0);
define("COLUMN_PERM_EDIT_OWN_ARTICLES", 1 << 1);
define("COLUMN_PERM_EDIT_ALL_ARTICLES", 1 << 2);
define("COLUMN_PERM_PUBLISH_ARTICLES",  1 << 3);
define("COLUMN_PERM_MEDIA_UPLOAD",      1 << 4);

class CB_permission_article extends CB_permission {
	var $cbPerms = 0;
	var $allUserPerms = 0;
	
	/**
	 * CB_permission_column::CB_permission_column()
	 * 
	 * @param boolean $optionArr
	 * @return 
	 **/
	function CB_permission_article($optionArr = false) {
		parent::CB_permission($optionArr);
		
		$this->setType("columnPerms");
		$this->getPermissionList();
		
		$this->cbPerms      = $optionArr['cbPerms'];
		$this->allUserPerms = $this->getAllPermissionSet(true);
		$this->allUserPerms = $this->checkAdmin($this->allUserPerms, $this->cbPerms);
	}
	
	/**
	 * CB_permission_column::hasEditPermission()
	 * 
	 * @param boolean $id
	 * @param boolean $optionArr
	 * @return 
	 **/
	function hasEditPermission($id = false, $optionArr = false) {
		if($optionArr[type] == "column") {
			$result = $this->hasColumnEditPermission($id);
		} else {
			$result = $this->hasArticleEditPermission($id);
		}
		return $result;
	}
	
	/**
	 * CB_permission_article::hasEditArticlePermission()
	 * 
	 * @param boolean $id
	 * @return 
	 **/
	function hasArticleEditPermission($id = false) {
		$result = 0;
		if($id) {
			$article = mysql_fetch_assoc(mysql_query("SELECT * FROM ".TABLE."_art_general WHERE ide = '$id'"));
			
			if($article['userID'] == $this->userID) {
				$result = 1;
			}
			
			if(!$result) {
				$result = $this->hasColumnEditAllPermission($article['folderID']);
			}
		}
		return $result;
	}
	
	/**
	 * CB_permission_article::hasColumnEditPermission()
	 * 
	 * @param boolean $id
	 * @return 
	 **/
	function hasColumnEditPermission($id = false) {
		$generalSet = $this->getSpecificPermissionSet('general');
		if($id == false) {
			if( (COLUMN_PERM_EDIT_OWN_ARTICLES & $generalSet) || 
				(COLUMN_PERM_EDIT_ALL_ARTICLES & $generalSet)) {
				$result = 1;
			} else {
				$result = 0;
			}
		} else {
			$editAllowed = 0;
			$node = $this->nestedSet->getNode($id, true);
			if($node != false) {
				$nodePermissionSet = $this->checkAdmin($this->getMultiplePermissionSet($id, true), $this->cbPerms);
				if(COLUMN_OPTION_LOCAL_PERMS & $node[options]) {
					if( (COLUMN_PERM_EDIT_OWN_ARTICLES & $nodePermissionSet) || 
						(COLUMN_PERM_EDIT_ALL_ARTICLES & $nodePermissionSet)) {
						$editAllowed = 1;
					}
				} else {
					if( (COLUMN_PERM_EDIT_OWN_ARTICLES & $generalSet) || 
						(COLUMN_PERM_EDIT_ALL_ARTICLES & $generalSet) || 
						(COLUMN_PERM_EDIT_OWN_ARTICLES & $nodePermissionSet) || 
						(COLUMN_PERM_EDIT_ALL_ARTICLES & $nodePermissionSet)) {
						$editAllowed = 1;
					}
				}
			}
			$result = $editAllowed;
		}
		return $result;
	}
	
	/**
	 * CB_permission_article::hasColumnEditAllPermission()
	 * 
	 * @param boolean $id
	 * @return 
	 **/
	function hasColumnEditAllPermission($id = false) {
		$generalSet = $this->getSpecificPermissionSet('general');
		if($id == false) {
			if(COLUMN_PERM_EDIT_ALL_ARTICLES & $generalSet) {
				$result = 1;
			} else {
				$result = 0;
			}
		} else {
			$editAllowed = 0;
			$node = $this->nestedSet->getNode($id, true);
			if($node != false) {
				$nodePermissionSet = $this->checkAdmin($this->getMultiplePermissionSet($id, true), $this->cbPerms);
				if(COLUMN_OPTION_LOCAL_PERMS & $node[options]) {
					if( (COLUMN_PERM_EDIT_ALL_ARTICLES & $nodePermissionSet)) {
						$editAllowed = 1;
					}
				} else {
					if( (COLUMN_PERM_EDIT_ALL_ARTICLES & $generalSet) || 
						(COLUMN_PERM_EDIT_ALL_ARTICLES & $nodePermissionSet)) {
						$editAllowed = 1;
					}
				}
			}
			$result = $editAllowed;
		}
		return $result;
	}
	
	/**
	 * CB_permission_article::hasUploadPermission()
	 * 
	 * @param boolean $id
	 * @param boolean $optionArr
	 * @return 
	 **/
	function hasUploadPermission($id = false, $optionArr = false) {
		if($optionArr[type] == "column") {
			$result = $this->hasColumnUploadPermission($id);
		} else {
			$result = $this->hasArticleUploadPermission($id);
		}
		return $result;
	}
	
	/**
	 * CB_permission_article::hasArticleUploadPermission()
	 * 
	 * @param boolean $id
	 * @return 
	 **/
	function hasArticleUploadPermission($id = false) {
		$result = 0;
		if($id) {
			$article = mysql_fetch_assoc(mysql_query("SELECT * FROM ".TABLE."_art_general WHERE ide = '$id'"));
			$result = $this->hasColumnUploadPermission($article['folderID']);
		}
		return $result;
	}
	
	/**
	 * CB_permission_article::hasColumnUploadPermission()
	 * 
	 * @param boolean $id
	 * @return 
	 **/
	function hasColumnUploadPermission($id = false) {
		$generalSet = $this->getSpecificPermissionSet('general');
		if($id == false) {
			if(COLUMN_PERM_MEDIA_UPLOAD & $generalSet) {
				$result = 1;
			} else {
				$result = 0;
			}
		} else {
			$editAllowed = 0;
			$node = $this->nestedSet->getNode($id, true);
			if($node != false) {
				$nodePermissionSet = $this->checkAdmin($this->getMultiplePermissionSet($id, true), $this->cbPerms);
				if(COLUMN_OPTION_LOCAL_PERMS & $node[options]) {
					if(COLUMN_PERM_MEDIA_UPLOAD & $nodePermissionSet) {
						$editAllowed = 1;
					}
				} else {
					if( (COLUMN_PERM_MEDIA_UPLOAD & $generalSet) || 
						(COLUMN_PERM_MEDIA_UPLOAD & $nodePermissionSet)) {
						$editAllowed = 1;
					}
				}
			}
			$result = $editAllowed;
		}
		return $result;
	}
	
	function hasPublishPermission($id = false, $optionArr = false) {
		if($optionArr[type] != "column") { 
			$result = 0;
			$article = mysql_fetch_assoc(mysql_query("SELECT * FROM ".TABLE."_art_general WHERE ide = '$id'"));
			$fid = $article['folderID'];
		} else {
			$fid = $id;
		}
			
		$generalSet = $this->getSpecificPermissionSet('general');
		if($fid == false) {
			$result = 0;
			if(COLUMN_PERM_PUBLISH_ARTICLES & $generalSet) {
				$result = 1;
			}
		} else {
			$editAllowed = 0;
			$node = $this->nestedSet->getNode($fid, true);
			if($node != false) {
				$nodePermissionSet = $this->checkAdmin($this->getMultiplePermissionSet($fid, true), $this->cbPerms);
				if(COLUMN_OPTION_LOCAL_PERMS & $node[options]) {
					if( COLUMN_PERM_PUBLISH_ARTICLES & $nodePermissionSet) {
						$editAllowed = 1;
					}
				} else {
					if( (COLUMN_PERM_PUBLISH_ARTICLES & $generalSet) || 
						(COLUMN_PERM_PUBLISH_ARTICLES & $nodePermissionSet)) {
						$editAllowed = 1;
					}
				}
			}
			$result = $editAllowed;
		}
		return $result;
	}
	
	/**
	 * CB_permission_column::setNestedSetObject()
	 * 
	 * @param $nestedSet
	 * @return 
	 **/
	function setNestedSetObject(&$nestedSet) {
		$this->nestedSet = $nestedSet;
	}
	
	/**
	 * CB_permission_column::getSpecificPermissionSet()
	 * 
	 * @param $id
	 * @return 
	 **/
	function getSpecificPermissionSet($id) {
		$rights = $this->getMultiplePermissionSet($id, true);
		$rights = $this->checkAdmin($rights, $this->cbPerms);
		return $rights;
	}
	
	/**
	 * CB_permission_column::hasAccess()
	 * 
	 * @return 
	 **/
	function hasAccess() {
		$result = false;
		if( (COLUMN_PERM_EDIT_OWN_ARTICLES & $this->allUserPerms) || 
			(COLUMN_PERM_EDIT_ALL_ARTICLES & $this->allUserPerms)) {
			$result = 1;
		} else {
			$result = 0;
		}
		return $result;
	}
	
	/**
	 * CB_permission_column::checkAdmin()
	 * 
	 * @param $rights
	 * @param $_perms
	 * @return 
	 **/
	function checkAdmin($rights, $perms) {
		if((ADMIN & $perms) || (COL_MNG & $perms)) {
			/*
			* ersten 16 Bits auf 1 setzen, Admin darf immer alles
			*/
			$rights = 65535;
		}
		return $rights;
	}
}
?>