<?php
/**
 * The model file of case module of ZenTaoPMS.
 *
 * @copyright   Copyright 2009-2011 青岛易软天创网络科技有限公司 (QingDao Nature Easy Soft Network Technology Co,LTD www.cnezsoft.com)
 * @license     LGPL (http://www.gnu.org/licenses/lgpl.html)
 * @author      Chunsheng Wang <chunsheng@cnezsoft.com>
 * @package     case
 * @version     $Id$
 * @link        http://www.zentao.net
 */
?>
<?php
class testcaseModel extends model
{
    /**
     * Set menu.
     * 
     * @param  array $products 
     * @param  int   $productID 
     * @access public
     * @return void
     */
    public function setMenu($products, $productID)
    {
        $this->loadModel('product')->setMenu($products, $productID);
        $selectHtml = html::select('productID', $products, $productID, "onchange=\"switchProduct(this.value, 'testcase', 'browse');\"");
        foreach($this->lang->testcase->menu as $key => $menu)
        {
            $replace = ($key == 'product') ? $selectHtml . $this->lang->arrow : $productID;
            common::setMenuVars($this->lang->testcase->menu, $key, $replace);
        }
    }

    /**
     * Create a case.
     * 
     * @access public
     * @return void
     */
    function create()
    {
        $now  = helper::now();
        $case = fixer::input('post')
            ->add('openedBy', $this->app->user->account)
            ->add('openedDate', $now)
            ->add('status', 'normal')
            ->add('version', 1)
            ->setIF($this->post->story != false, 'storyVersion', $this->loadModel('story')->getVersion($this->post->story))
            ->remove('steps,expects,files,labels')
            ->setDefault('story', 0)
            ->specialChars('title')
            ->join('stage', ',')
            ->get();
        $this->dao->insert(TABLE_CASE)->data($case)->autoCheck()->batchCheck($this->config->testcase->create->requiredFields, 'notempty')->exec();
        if(!$this->dao->isError())
        {
            $caseID = $this->dao->lastInsertID();
            $this->loadModel('file')->saveUpload('testcase', $caseID);
            foreach($this->post->steps as $stepID => $stepDesc)
            {
                if(empty($stepDesc)) continue;
                $step->case    = $caseID;
                $step->version = 1;
                $step->desc    = htmlspecialchars($stepDesc);
                $step->expect  = htmlspecialchars($this->post->expects[$stepID]);
                $this->dao->insert(TABLE_CASESTEP)->data($step)->autoCheck()->exec();
            }
            return $caseID;
        }
    }

    /**
     * Get cases of a module.
     * 
     * @param  int    $productID 
     * @param  int    $moduleIds 
     * @param  string $orderBy 
     * @param  object $pager 
     * @access public
     * @return array
     */
    public function getModuleCases($productID, $moduleIds = 0, $orderBy = 'id_desc', $pager = null)
    {
        return $this->dao->select('*')->from(TABLE_CASE)
            ->where('product')->eq((int)$productID)
            ->beginIF($moduleIds)->andWhere('module')->in($moduleIds)->fi()
            ->andWhere('deleted')->eq('0')
            ->orderBy($orderBy)->page($pager)->fetchAll();
    }

    /**
     * Get case info by ID.
     * 
     * @param  int    $caseID 
     * @param  int    $version 
     * @access public
     * @return object|bool
     */
    public function getById($caseID, $version = 0)
    {
        $case = $this->dao->findById($caseID)->from(TABLE_CASE)->fetch();
        if(!$case) return false;
        foreach($case as $key => $value) if(strpos($key, 'Date') !== false and !(int)substr($value, 0, 4)) $case->$key = '';
        if($case->story)
        {
            $story = $this->dao->findById($case->story)->from(TABLE_STORY)->fields('title, status, version')->fetch();
            $case->storyTitle         = $story->title;
            $case->storyStatus        = $story->status;
            $case->latestStoryVersion = $story->version;
        }
        if($case->linkCase) $case->linkCaseTitles = $this->dao->select('id,title')->from(TABLE_CASE)->where('id')->in($case->linkCase)->fetchPairs();
        if($version == 0) $version = $case->version;
        $case->steps = $this->dao->select('*')->from(TABLE_CASESTEP)->where('`case`')->eq($caseID)->andWhere('version')->eq($version)->fetchAll();
        $case->files = $this->loadModel('file')->getByObject('testcase', $caseID);
        return $case;
    }

    /**
     * Update a case.
     * 
     * @param  int    $caseID 
     * @access public
     * @return void
     */
    public function update($caseID)
    {
        $oldCase     = $this->getById($caseID);
        $now         = helper::now();
        $stepChanged = false;
        $steps       = array();

        //---------------- Judge steps changed or not.-------------------- */
        
        /* Remove the empty setps in post. */
        foreach($this->post->steps as $key => $desc)
        {
            $desc = trim($desc);
            if(!empty($desc)) $steps[] = array('desc' => $desc, 'expect' => trim($this->post->expects[$key]));
        }

        /* If step count changed, case changed. */
        if(count($oldCase->steps) != count($steps))
        {
            $stepChanged = true;
        }
        else
        {
            /* Compare every step. */
            foreach($oldCase->steps as $key => $oldStep)
            {
                if(trim($oldStep->desc) != trim($steps[$key]['desc']) or trim($oldStep->expect) != $steps[$key]['expect']) 
                {
                    $stepChanged = true;
                    break;
                }
            }
        }
        $version = $stepChanged ? $oldCase->version + 1 : $oldCase->version;

        $case = fixer::input('post')
            ->add('lastEditedBy', $this->app->user->account)
            ->add('lastEditedDate', $now)
            ->add('version', $version)
            ->setIF($this->post->story != false and $this->post->story != $oldCase->story, 'storyVersion', $this->loadModel('story')->getVersion($this->post->story))
            ->setDefault('story', 0)
            ->specialChars('title')
            ->join('stage', ',')
            ->remove('comment,steps,expects,files,labels')
            ->get();
        $this->dao->update(TABLE_CASE)->data($case)->autoCheck()->batchCheck($this->config->testcase->edit->requiredFields, 'notempty')->where('id')->eq((int)$caseID)->exec();
        if(!$this->dao->isError())
        {
            if($stepChanged)
            {
                foreach($this->post->steps as $stepID => $stepDesc)
                {
                    if(empty($stepDesc)) continue;
                    $step->case    = $caseID;
                    $step->version = $version;
                    $step->desc    = htmlspecialchars($stepDesc);
                    $step->expect  = htmlspecialchars($this->post->expects[$stepID]);
                    $this->dao->insert(TABLE_CASESTEP)->data($step)->autoCheck()->exec();
                }
            }

            /* Join the steps to diff. */
            if($stepChanged)
            {
                $oldCase->steps = $this->joinStep($oldCase->steps);
                $case->steps    = $this->joinStep($this->getById($caseID, $version)->steps);
            }
            else
            {
                unset($oldCase->steps);
            }
            return common::createChanges($oldCase, $case);
        }
    }

    /**
     * Join steps to a string, thus can diff them.
     * 
     * @param  array   $steps 
     * @access private
     * @return string
     */
    private function joinStep($steps)
    {
        $retrun = '';
        foreach($steps as $step) $return .= $step->desc . ' EXPECT:' . $step->expect . "\n";
        return $return;
    }
}