silverstripe-subsites/code/extensions/SiteTreeSubsites.php

327 lines
11 KiB
PHP

<?php
/**
* Extension for the SiteTree object to add subsites support
*/
class SiteTreeSubsites extends DataExtension {
static $template_variables = array(
'((Company Name))' => 'Title'
);
static $template_fields = array(
"URLSegment",
"Title",
"MenuTitle",
"Content",
"MetaTitle",
"MetaDescription",
"MetaKeywords",
);
/**
* Set the fields that will be copied from the template.
* Note that ParentID and Sort are implied.
*/
static function set_template_fields($fieldList) {
self::$template_fields = $fieldList;
}
public static $has_one=array(
'Subsite' => 'Subsite', // The subsite that this page belongs to
'MasterPage' => 'SiteTree',// Optional; the page that is the content master
);
public static $has_many=array(
'RelatedPages' => 'RelatedPageLink'
);
public static $many_many=array(
'CrossSubsiteLinkTracking' => 'SiteTree' // Stored separately, as the logic for URL rewriting is different
);
public static $belongs_many_many=array(
'BackCrossSubsiteLinkTracking' => 'SiteTree'
);
public static $many_many_extraFields=array(
"CrossSubsiteLinkTracking" => array("FieldName" => "Varchar")
);
function isMainSite() {
if($this->owner->SubsiteID == 0) return true;
return false;
}
/**
* Update any requests to limit the results to the current site
*/
function augmentSQL(SQLQuery &$query) {
if(Subsite::$disable_subsite_filter) return;
// Don't run on delete queries, since they are always tied to
// a specific ID.
if ($query->delete) return;
// If you're querying by ID, ignore the sub-site - this is a bit ugly...
// if(!$query->where || (strpos($query->where[0], ".\"ID\" = ") === false && strpos($query->where[0], ".`ID` = ") === false && strpos($query->where[0], ".ID = ") === false && strpos($query->where[0], "ID = ") !== 0)) {
if (!$query->where || (!preg_match('/\.(\'|"|`|)ID(\'|"|`|)( ?)=/', $query->where[0]))) {
if (Subsite::$force_subsite) $subsiteID = Subsite::$force_subsite;
else {
/*if($context = DataObject::context_obj()) $subsiteID = (int)$context->SubsiteID;
else */$subsiteID = (int)Subsite::currentSubsiteID();
}
// The foreach is an ugly way of getting the first key :-)
foreach($query->from as $tableName => $info) {
// The tableName should be SiteTree or SiteTree_Live...
if(strpos($tableName,'SiteTree') === false) break;
$query->where[] = "\"$tableName\".\"SubsiteID\" IN ($subsiteID)";
break;
}
}
}
function onBeforeWrite() {
if(!$this->owner->ID && !$this->owner->SubsiteID) $this->owner->SubsiteID = Subsite::currentSubsiteID();
parent::onBeforeWrite();
}
function updateCMSFields(&$fields) {
if($this->owner->MasterPageID) $fields->insertFirst(new HeaderField('This page\'s content is copied from a master page: ' . $this->owner->MasterPage()->Title, 2));
// replace readonly link prefix
$subsite = $this->owner->Subsite();
if($subsite && $subsite->ID) {
$baseUrl = 'http://' . $subsite->domain() . '/';
$fields->removeByName('URLSegment');
$baseLink = Controller::join_links (
$baseUrl,
(SiteTree::nested_urls() && $this->ParentID ? $this->owner->Parent()->RelativeLink(true) : null)
);
$url = (strlen($baseLink) > 36) ? "..." .substr($baseLink, -32) : $baseLink;
$urlsegment = new SiteTreeURLSegmentField("URLSegment", $this->owner->fieldLabel('URLSegment'));
$urlsegment->setURLPrefix($url);
$urlsegment->setHelpText(SiteTree::nested_urls() && count($this->owner->Children()) ? $this->owner->fieldLabel('LinkChangeNote'): false);
$fields->addFieldToTab('Root.Metadata', $urlsegment, 'MetaTitle');
}
$relatedCount = 0;
$reverse = $this->ReverseRelated();
if($reverse) $relatedCount += $reverse->Count();
$normalRelated = $this->NormalRelated();
if($normalRelated) $relatedCount += $normalRelated->Count();
$tabName = $relatedCount ? 'Related (' . $relatedCount . ')' : 'Related';
$tab = $fields->findOrMakeTab('Root.Related', $tabName);
// Related pages
$tab->push(new LiteralField('RelatedNote', '<p>You can list pages here that are related to this page.<br />When this page is updated, you will get a reminder to check whether these related pages need to be updated as well.</p>'));
$tab->push(
$related=new GridField('RelatedPages', 'Related Pages', $this->owner->RelatedPages(), GridFieldConfig_Base::create())
);
$related->setModelClass('RelatedPageLink');
// The 'show' link doesn't provide any useful info
//$related->setPermissions(array('add', 'edit', 'delete'));
if($reverse) {
$text = '<p>In addition, this page is marked as related by the following pages: </p><p>';
foreach($reverse as $rpage) {
$text .= $rpage->RelatedPageAdminLink(true) . " - " . $rpage->AbsoluteLink(true) . "<br />\n";
}
$text .= '</p>';
$tab->push(new LiteralField('ReverseRelated', $text));
}
}
/**
* Returns the RelatedPageLink objects that are reverse-associated with this page.
*/
function ReverseRelated() {
return DataObject::get('RelatedPageLink', "\"RelatedPageLink\".\"RelatedPageID\" = {$this->owner->ID}
AND R2.\"ID\" IS NULL", '')
->innerJoin('SiteTree', "\"SiteTree\".\"ID\" = \"RelatedPageLink\".\"MasterPageID\"")
->leftJoin('RelatedPageLink', "R2.\"MasterPageID\" = {$this->owner->ID} AND R2.\"RelatedPageID\" = \"RelatedPageLink\".\"MasterPageID\"", 'R2');
}
function NormalRelated() {
$return = new ArrayList();
$links = DataObject::get('RelatedPageLink', '"MasterPageID" = ' . $this->owner->ID);
if($links) foreach($links as $link) {
if($link->RelatedPage()->exists()) {
$return->push($link->RelatedPage());
}
}
return $return->Count() > 0 ? $return : false;
}
function alternateSiteConfig() {
if(!$this->owner->SubsiteID) return false;
$sc = DataObject::get_one('SiteConfig', '"SubsiteID" = ' . $this->owner->SubsiteID);
if(!$sc) {
$sc = new SiteConfig();
$sc->SubsiteID = $this->owner->SubsiteID;
$sc->Title = 'Your Site Name';
$sc->Tagline = 'your tagline here';
$sc->write();
}
return $sc;
}
/**
* Only allow editing of a page if the member satisfies one of the following conditions:
* - Is in a group which has access to the subsite this page belongs to
* - Is in a group with edit permissions on the "main site"
*
* @return boolean
*/
function canEdit($member = null) {
if(!$member) $member = Member::currentUser();
// Find the sites that this user has access to
$goodSites = Subsite::accessible_sites('CMS_ACCESS_CMSMain',true,'all',$member)->column('ID');
// Return true if they have access to this object's site
if(!(in_array(0, $goodSites) || in_array($this->owner->SubsiteID, $goodSites))) return false;
}
/**
* @return boolean
*/
function canDelete($member = null) {
if(!$member && $member !== FALSE) $member = Member::currentUser();
return $this->canEdit($member);
}
/**
* @return boolean
*/
function canAddChildren($member = null) {
if(!$member && $member !== FALSE) $member = Member::currentUser();
return $this->canEdit($member);
}
/**
* @return boolean
*/
function canPublish($member = null) {
if(!$member && $member !== FALSE) $member = Member::currentUser();
return $this->canEdit($member);
}
/**
* Create a duplicate of this page and save it to another subsite
* @param $subsiteID int|Subsite The Subsite to copy to, or its ID
* @param $isTemplate boolean If this is true, then the current page will be treated as the template, and MasterPageID will be set
*/
public function duplicateToSubsite($subsiteID = null, $isTemplate = true) {
if(is_object($subsiteID)) {
$subsite = $subsiteID;
$subsiteID = $subsite->ID;
} else $subsite = DataObject::get_by_id('Subsite', $subsiteID);
$page = $this->owner->duplicate(false);
$page->CheckedPublicationDifferences = $page->AddedToStage = true;
$subsiteID = ($subsiteID ? $subsiteID : Subsite::currentSubsiteID());
$page->SubsiteID = $subsiteID;
if($isTemplate) $page->MasterPageID = $this->owner->ID;
$page->write();
return $page;
}
/**
* Called by ContentController::init();
*/
static function contentcontrollerInit($controller) {
// Need to set the SubsiteID to null incase we've been in the CMS
Session::set('SubsiteID', null);
$subsite = Subsite::currentSubsite();
if($subsite && $subsite->Theme) SSViewer::set_theme(Subsite::currentSubsite()->Theme);
}
/**
* Called by ModelAsController::init();
*/
static function modelascontrollerInit($controller) {
// Need to set the SubsiteID to null incase we've been in the CMS
Session::set('SubsiteID', null);
}
function alternateAbsoluteLink() {
// Generate the existing absolute URL and replace the domain with the subsite domain.
// This helps deal with Link() returning an absolute URL.
$url = Director::absoluteURL($this->owner->Link());
if($this->owner->SubsiteID) {
$url = preg_replace('/\/\/[^\/]+\//', '//' . $this->owner->Subsite()->domain() . '/', $url);
}
return $url;
}
function augmentSyncLinkTracking() {
// Set LinkTracking appropriately
$links = HTTP::getLinksIn($this->owner->Content);
$linkedPages = array();
if($links) foreach($links as $link) {
if(substr($link, 0, strlen('http://')) == 'http://') {
$withoutHttp = substr($link, strlen('http://'));
if(strpos($withoutHttp, '/') && strpos($withoutHttp, '/') < strlen($withoutHttp)) {
$domain = substr($withoutHttp, 0, strpos($withoutHttp, '/'));
$rest = substr($withoutHttp, strpos($withoutHttp, '/') + 1);
$subsiteID = Subsite::getSubsiteIDForDomain($domain);
if($subsiteID == 0) continue; // We have no idea what the domain for the main site is, so cant track links to it
$origDisableSubsiteFilter = Subsite::$disable_subsite_filter;
Subsite::disable_subsite_filter(true);
$candidatePage = DataObject::get_one("SiteTree", "\"URLSegment\" = '" . urldecode( $rest). "' AND \"SubsiteID\" = " . $subsiteID, false);
Subsite::disable_subsite_filter($origDisableSubsiteFilter);
if($candidatePage) {
$linkedPages[] = $candidatePage->ID;
} else {
$this->owner->HasBrokenLink = true;
}
}
}
}
$this->owner->CrossSubsiteLinkTracking()->setByIDList($linkedPages);
}
/**
* Return a piece of text to keep DataObject cache keys appropriately specific
*/
function cacheKeyComponent() {
return 'subsite-'.Subsite::currentSubsiteID();
}
/**
* @param Member
* @return boolean|null
*/
function canCreate($member = null) {
// Typically called on a singleton, so we're not using the Subsite() relation
$subsite = Subsite::currentSubsite();
if($subsite && $subsite->exists() && $subsite->PageTypeBlacklist) {
$blacklisted = explode(',', $subsite->PageTypeBlacklist);
// All subclasses need to be listed explicitly
if(in_array($this->owner->class, $blacklisted)) return false;
}
}
}