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<?php

/**
 * Content side-report listing pages with broken links
 * @package cms
 * @subpackage content
 */

class BrokenLinksReport extends SS_Report {

    public function title() {
        return _t('BrokenLinksReport.BROKENLINKS',"Broken links report");
    }
    
    public function sourceRecords($params, $sort, $limit) {
        $join = '';
        $sortBrokenReason = false;
        if($sort) {
            $parts = explode(' ', $sort);
            $field = $parts[0];
            $direction = $parts[1];
            
            if($field == 'AbsoluteLink') {
                $sort = 'URLSegment ' . $direction;
            } elseif($field == 'Subsite.Title') {
                $join = 'LEFT JOIN "Subsite" ON "Subsite"."ID" = "SiteTree"."SubsiteID"';
            } elseif($field == 'BrokenReason') {
                $sortBrokenReason = true;
                $sort = '';
            }
        }
        $brokenFilter = array(
            '"SiteTree"."HasBrokenLink" = ? OR "SiteTree"."HasBrokenFile" = ?' => array(true, true)
        );
        $isLive = !isset($params['CheckSite']) || $params['CheckSite'] == 'Published';
        if ($isLive) {
            $ret = Versioned::get_by_stage('SiteTree', 'Live', $brokenFilter, $sort, $join, $limit);
        } else {
            $ret = DataObject::get('SiteTree', $brokenFilter, $sort, $join, $limit);
        }
        
        $returnSet = new ArrayList();
        if ($ret) foreach($ret as $record) {
            $reason = false;
            $isRedirectorPage = in_array($record->ClassName, ClassInfo::subclassesFor('RedirectorPage'));
            $isVirtualPage = in_array($record->ClassName, ClassInfo::subclassesFor('VirtualPage'));
            
            if ($isVirtualPage) {
                if ($record->HasBrokenLink) {
                    $reason = _t('BrokenLinksReport.VirtualPageNonExistent', "virtual page pointing to non-existent page");
                    $reasonCodes = array("VPBROKENLINK");
                }
            } else if ($isRedirectorPage) {
                if ($record->HasBrokenLink) {
                    $reason = _t('BrokenLinksReport.RedirectorNonExistent', "redirector page pointing to non-existent page");
                    $reasonCodes = array("RPBROKENLINK");
                }
            } else {
                if ($record->HasBrokenLink && $record->HasBrokenFile) {
                    $reason = _t('BrokenLinksReport.HasBrokenLinkAndFile', "has broken link and file");
                    $reasonCodes = array("BROKENFILE", "BROKENLINK");
                } else if ($record->HasBrokenLink && !$record->HasBrokenFile) {
                    $reason = _t('BrokenLinksReport.HasBrokenLink', "has broken link");
                    $reasonCodes = array("BROKENLINK");
                } else if (!$record->HasBrokenLink && $record->HasBrokenFile) {
                    $reason = _t('BrokenLinksReport.HasBrokenFile', "has broken file");
                    $reasonCodes = array("BROKENFILE");
                }
            }
            
            if ($reason) {
                if (isset($params['Reason']) && $params['Reason'] && !in_array($params['Reason'], $reasonCodes)) continue;
                $record->BrokenReason = $reason;
                $returnSet->push($record);
            }
        }
        
        if($sortBrokenReason) $returnSet = $returnSet->sort('BrokenReason', $direction);
        
        return $returnSet;
    }
    public function columns() {
        if(isset($_REQUEST['filters']['CheckSite']) && $_REQUEST['filters']['CheckSite'] == 'Draft') {
            $dateTitle = _t('BrokenLinksReport.ColumnDateLastModified', 'Date last modified');
        } else {
            $dateTitle = _t('BrokenLinksReport.ColumnDateLastPublished', 'Date last published');
        }
        
        $linkBase = singleton('CMSPageEditController')->Link('show');
        $fields = array(
            "Title" => array(
                "title" => _t('BrokenLinksReport.PageName', 'Page name'),
                'formatting' => function($value, $item) use ($linkBase) {
                    return sprintf('<a href="%s" title="%s">%s</a>',
                        Controller::join_links($linkBase, $item->ID),
                        _t('BrokenLinksReport.HoverTitleEditPage', 'Edit page'),
                        $value
                    );
                }
            ),
            "LastEdited" => array(
                "title" => $dateTitle,
                'casting' => 'SS_Datetime->Full'
            ),
            "BrokenReason" => array(
                "title" => _t('BrokenLinksReport.ColumnProblemType', "Problem type")
            ),
            'AbsoluteLink' => array(
                'title' => _t('BrokenLinksReport.ColumnURL', 'URL'),
                'formatting' => function($value, $item) {
                    $liveLink = $item->AbsoluteLiveLink;
                    $stageLink = $item->AbsoluteLink();
                    return sprintf('%s <a href="%s">%s</a>',
                        $stageLink,
                        $liveLink ? $liveLink : $stageLink . '?stage=Stage',
                        $liveLink ? '(live)' : '(draft)'
                    );
                }
            )
        );
        
        return $fields;
    }
    public function parameterFields() {
        return new FieldList(
            new DropdownField('CheckSite', _t('BrokenLinksReport.CheckSite','Check site'), array(
                'Published' => _t('BrokenLinksReport.CheckSiteDropdownPublished', 'Published Site'),
                'Draft' => _t('BrokenLinksReport.CheckSiteDropdownDraft', 'Draft Site')
            )),
            new DropdownField(
                'Reason', 
                _t('BrokenLinksReport.ReasonDropdown', 'Problem to check'), 
                array(
                    '' => _t('BrokenLinksReport.Any', 'Any'),
                    'BROKENFILE' => _t('BrokenLinksReport.ReasonDropdownBROKENFILE', 'Broken file'),
                    'BROKENLINK' => _t('BrokenLinksReport.ReasonDropdownBROKENLINK', 'Broken link'),
                    'VPBROKENLINK' => _t('BrokenLinksReport.ReasonDropdownVPBROKENLINK', 'Virtual page pointing to non-existent page'),
                    'RPBROKENLINK' => _t('BrokenLinksReport.ReasonDropdownRPBROKENLINK', 'Redirector page pointing to non-existent page'),
                )
            )
        );
    }
}


/**
 * @deprecated 3.2..4.0
 */
class SideReport_BrokenLinks extends BrokenLinksReport {
    public function __construct() {
        Deprecation::notice('4.0', 'Use BrokenLinksReport instead');
        parent::__construct();
    }
}