<?php
/* $Id$ */
namespace MCMS\_\Modx\MCMS\News;

(defined('MCMS') && (basename(__FILE__) != basename($_SERVER['PHP_SELF']))) or die('ACCESS DENIED');

use \Mammut\IO\FileNotFoundException;
use \Mammut\Template\CTemplateCallback;

use \MCMS\Request;
use \MCMS\Response;
use \MCMS\System;
use \MCMS\Interfaces\iSystem;
use \MCMS\Exception\AccessDeniedException;
use \MCMS\_\Com\MCMS\HTML\Lists\SimplePageList;

use \MCMS\_\Modx\MCMS\News\_\Model\Entry;
use \MCMS\_\Modx\MCMS\News\_\Model\Comment;
use \MCMS\_\Modx\MCMS\News\_\Service\ReposSvc;

/**
 * News module
 * @author Stefan Daurer <s.daurer@qdevzone.net>
 * @since 1.0
 * @package MammutCMS
 * @subpackage Module
 */
class News extends NewsBase {
	
	protected function getMyId() {
		return 'mcms.news';
	}
	
	public function runIndex(Request $request, Response $response, $activeInstance) {
		
		$system = System::getInstance();
		$param = $system->getRequest()->getParam();
		
		$pagesize = $system->getSiteParam($system->getSiteId(),$activeInstance,'maxcount');
		if ($pagesize <= 0)
			$pagesize = 5;
		
		$page = isset($param['page']) ? (int) $param['page'] : 0;
		if ($page < 0)
			$page = 0;
			
		$pagelist = new SimplePageList();
		$pagelist->setCurrentPage($page);
		$pagelist->setWithRange(0,ReposSvc::getPageCount(1,$activeInstance,$pagesize),_SELF_.'?mod='.$activeInstance.'&amp;page=##');
		
		$usr = $system->getUserSvc()->getUser();

		try {
			$entries = ReposSvc::getPageEntries(1,$activeInstance,$page,$pagesize);

			$layout = $this->findLayout($system->getSiteId(),$activeInstance);
			$template = $this->loadTemplate($this->getMyId(),$system->getTarget('action'),$layout,true);

			$template->setParam('title','News');
			$template->setParam('entries',$entries);
			$template->setParam('self',_SELF_);
			$template->setParam('instance',$activeInstance);
			$template->setParam('addlink',_SELF_.'?mod='.$activeInstance.'&amp;view=newEntry');
			$template->setParam('pagelist',$pagelist->generate());

			$template->setParam('isEditable', new CTemplateCallback(array($this,'checkEntryEdit'),array($entries,$activeInstance)));
			
			$usr = $system->getUserSvc()->getUser();
			$template->setParam('isUser',!is_null($usr));
			if (is_null($usr))
				$template->setParam('isAdmin',false);
			else
				$template->setParam('isAdmin',$this->userHasPriv($usr,$system->getSiteId(),$activeInstance,'edit'));
				
			$response->setFragment('CONTENT',$template->getDocument());
		}
		catch (FileNotFoundException $ex) {
			$response->setFragment('CONTENT',"file is missing: ".$tplfile);
		}
		
	}
	
	public function runHistory(Request $request, Response $response, $activeInstance) {
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();
		
		if (is_null($usr) || (!$usrSvc->userHasPriv($usr,$system->getSiteId(),$activeInstance,'edit')))
			throw new MMAccessDeniedException('not privileged');	// if not, throw an exception
			
		$form = $system->createFormBuilder('\\MCMS\\_\\Modx\\MCMS\\News\\_\\Model\\Entry');
		$form->setTargetLink(_SELF_);
		$form->setTargetParams(array('mod' => $activeInstance, 'view' => 'create'));
		
		try {
			$layout = $this->findLayout($system->getSiteId(),$activeInstance);
			$template = $this->loadTemplate($this->getMyId(),'edit',$layout,true);
		
			$template->setParam('title','Create news entry');
			$template->setParam('edit',false);
		
			$template->setParam('formStart', (string) $form->genStart());
			$template->setParam('editTitle', (string) $form->genElement('title'));
			$template->setParam('editContent', (string) $form->genElement('content'));
			$template->setParam('formSubmit', (string) $form->genSubmit('Create entry'));
			$template->setParam('formEnd',$form->genEnd());
		
			$response->setFragment('CONTENT',$template->getDocument());
		}
		catch (FileNotFoundException $ex) {
			$response->setFragment('CONTENT',"file is missing: ".$tplfile);
		}
	}
	
	public function runDetails(Request $request, Response $response, $activeInstance) {
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();
		
		if (is_null($usr) || (!$usrSvc->userHasPriv($usr,$system->getSiteId(),$activeInstance,'edit')))
			throw new MMAccessDeniedException('not privileged');	// if not, throw an exception
			
		$form = $system->createFormBuilder('\\MCMS\\_\\Modx\\MCMS\\News\\_\\Model\\Entry');
		$form->setTargetLink(_SELF_);
		$form->setTargetParams(array('mod' => $activeInstance, 'view' => 'create'));
		
		try {
			$layout = $this->findLayout($system->getSiteId(),$activeInstance);
			$template = $this->loadTemplate($this->getMyId(),'edit',$layout,true);
		
			$template->setParam('title','Create news entry');
			$template->setParam('edit',false);
		
			$template->setParam('formStart', (string) $form->genStart());
			$template->setParam('editTitle', (string) $form->genElement('title'));
			$template->setParam('editContent', (string) $form->genElement('content'));
			$template->setParam('formSubmit', (string) $form->genSubmit('Create entry'));
			$template->setParam('formEnd',$form->genEnd());
		
			$response->setFragment('CONTENT',$template->getDocument());
		}
		catch (FileNotFoundException $ex) {
			$response->setFragment('CONTENT',"file is missing: ".$tplfile);
		}
	}
	
	public function runAddComment(Request $request, Response $response, $activeInstance) {
		
	}
	
	/**
	 * Displayes a form to edit the text
	 */
	public function runNewEntry(Request $request, Response $response, $activeInstance) {
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();

		if (is_null($usr) || (!$usrSvc->userHasPriv($usr,$system->getSiteId(),$activeInstance,'edit')))
			throw new MMAccessDeniedException('not privileged');	// if not, throw an exception
		
		$form = $system->createFormBuilder('\\MCMS\\_\\Modx\\MCMS\\News\\_\\Model\\Entry');
		$form->setTargetLink(_SELF_);
		$form->setTargetParams(array('mod' => $activeInstance, 'view' => 'createEntry'));

		try {
			$layout = $this->findLayout($system->getSiteId(),$activeInstance);
			$template = $this->loadTemplate($this->getMyId(),'edit',$layout,true);

			$template->setParam('title','Create news entry');
			$template->setParam('edit',false);
			
			$template->setParam('formStart', (string) $form->genStart());
			$template->setParam('editTitle', (string) $form->genElement('title'));
			$template->setParam('editContent', (string) $form->genElement('content'));
			$template->setParam('formSubmit', (string) $form->genSubmit('Create entry'));
			$template->setParam('formEnd',$form->genEnd());
			
			$template->setParam('backlink','<a href="'._SELF_.'?mod='.$activeInstance.'&view=index">zur&uuml;ck</a>');
			
			$response->setFragment('CONTENT',$template->getDocument());
		}
		catch (FileNotFoundException $ex) {
			$response->setFragment('CONTENT',"file is missing: ".$tplfile);
		}
	}
	
	/**
	 * Updates the text and redirects to the index page
	 */
	public function runCreateEntry(Request $request, Response $response, $activeInstance) {
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();
		$param = $system->getRequest()->getParam();

		if (is_null($usr) || (!$usrSvc->userHasPriv($usr,$system->getSiteId(),$activeInstance,'edit')))
			throw new AccessDeniedException('not privileged');	// if not, throw an exception
		
		$form = $system->createFormFetcher('\\MCMS\\_\\Modx\\MCMS\\News\\_\\Model\\Entry');
		$entry = $form->fetch($request);
		$entry->id = NULL;
		$entry->site_id = 1;
		$entry->instance = $activeInstance;

		$entry->created_at = new DateTime();
		$entry->created_by_id = $usr->id;
		//$entry->langu = '';
		$entry->state = 0;
		//$entry->category = 0;
		$entry->details = '';
		ReposSvc::storeEntry($entry);
		
		$response->setRedirect($activeInstance,'index');	// redirect the request
	}
	
	/**
	 * Displayes a form to edit the text
	 */
	public function runEditEntry(Request $request, Response $response, $activeInstance) {
		
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();
		$param = $system->getRequest()->getParam();
			
		if (is_null($usr) || (!$usrSvc->userHasPriv($usr,$system->getSiteId(),$activeInstance,'edit')))
			throw new AccessDeniedException('not privileged');	// if not, throw an exception
		
		$entry = ReposSvc::getEntry((int) $param['id']);
		
		$form = $system->createFormBuilder($entry);
		$form->setTargetLink(_SELF_);
		$form->setTargetParams(array('mod' => $activeInstance, 'view' => 'updateEntry', 'id' => $entry->id));

		try {
			$layout = $this->findLayout($system->getSiteId(),$activeInstance);
			$template = $this->loadTemplate($this->getMyId(),'edit',$layout,true);

			$template->setParam('title','Edit news entry');
			$template->setParam('edit',false);
			
			$template->setParam('formStart', (string) $form->genStart());
			$template->setParam('editTitle', (string) $form->genElement('title'));
			$template->setParam('editContent', (string) $form->genElement('content'));
			$template->setParam('formSubmit', (string) $form->genSubmit('Create entry'));
			$template->setParam('formEnd',$form->genEnd());

			$template->setParam('backlink','<a href="'._SELF_.'?mod='.$activeInstance.'&view=index">zur&uuml;ck</a>');
			
			$response->setFragment('CONTENT',$template->getDocument());
		}
		catch (FileNotFoundException $ex) {
			$response->setFragment('CONTENT',"file is missing: ".$tplfile);
		}
	}
	
	/**
	 * Updates the text and redirects to the index page
	 */
	public function runUpdateEntry(Request $request, Response $response, $activeInstance) {
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();
		$param = $system->getRequest()->getParam();

		if (is_null($usr) || (!$usrSvc->userHasPriv($usr,$system->getSiteId(),$activeInstance,'edit')))
			throw new AccessDeniedException('not privileged');	// if not, throw an exception
		
		$form = $system->createFormFetcher('\\MCMS\\_\\Modx\\MCMS\\News\\_\\Model\\Entry');
		$entry = $form->fetch($request);

		$dbentry = ReposSvc::getEntry($entry->id);
		foreach(array('title','content') as $field)
			$dbentry->$field = $entry->$field;
		ReposSvc::storeEntry($dbentry);
		
		$response->setRedirect($activeInstance,'index');	// redirect the request
	}
	
	/**
	 * Ask if an entry should be deleted
	 */
	public function runDelaskEntry(Request $request, Response $response, $activeInstance) {
		
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();
		$param = $system->getRequest()->getParam();
			
		if (is_null($usr) || (!$usrSvc->userHasPriv($usr,$system->getSiteId(),$activeInstance,'edit')))
			throw new AccessDeniedException('not privileged');	// if not, throw an exception
		
		$entry = ReposSvc::getEntry((int) $param['id']);
		
		try {
			$layout = $this->findLayout($system->getSiteId(),$activeInstance);
			$template = $this->loadTemplate($this->getMyId(),'delask',$layout,true);

			$template->setParam('title','Delete news entry');

			$template->setParam('entry_title',$entry->title);
			
			$template->setParam('backlink', _SELF_.'?mod='.$activeInstance.'&amp;view=index');
			$template->setParam('dellink', _SELF_.'?mod='.$activeInstance.'&amp;view=deleteEntry&amp;id='.$entry->id);
			
			$response->setFragment('CONTENT',$template->getDocument());
		}
		catch (FileNotFoundException $ex) {
			$response->setFragment('CONTENT',"file is missing: ".$tplfile);
		}
	}
	/**
	 * Delete the entry and redirects to the index page
	 */
	public function runDeleteEntry(Request $request, Response $response, $activeInstance) {
		$system = System::getInstance();
		$db = $system->getDB();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();
		$param = $system->getRequest()->getParam();

		if (is_null($usr) || (!$usrSvc->userHasPriv($usr,$system->getSiteId(),$activeInstance,'edit')))
			throw new AccessDeniedException('not privileged');	// if not, throw an exception
		
		$dbentry = ReposSvc::getEntry($param['id']);
		ReposSvc::deleteEntry($dbentry);
		
		$response->setRedirect($activeInstance,'index');	// redirect the request
	}
	
	// views
	public function runDelaskComment(Request $request, Response $response, $activeInstance) {
		
	}
	public function runDeleteComment(Request $request, Response $response, $activeInstance) {
		
	}
	
	// Security checks
	public function checkEntryEdit($context,$param) {
		$system = System::getInstance();
		$usrSvc = $system->getUserSvc();
		$usr = $usrSvc->getUser();
		$activeInstance = $param[1];
		if (!is_null($usr)) {
			if ($usrSvc->userHasPriv($usr,$system->getSiteId(),$activeInstance,'admin'))
				return true;
			if ($context->e->created_by_id == $usr->id && $usrSvc->userHasPriv($usr,$system->getSiteId(),$activeInstance,'editor'))
				return true;
		}
		return false;
	}
	
	public function checkCommentEdit($context,$activeInstance) {
		
	}
	
}