silverstripe-blog/code/model/BlogPost.php
2015-02-02 10:32:40 +00:00

236 lines
5.7 KiB
PHP

<?php
/**
* An indivisual blog post.
*
* @package silverstripe
* @subpackage blog
*
* @author Michael Strong <github@michaelstrong.co.uk>
**/
class BlogPost extends Page {
private static $db = array(
"PublishDate" => "SS_Datetime",
);
private static $has_one = array(
"FeaturedImage" => "Image",
);
private static $many_many = array(
"Categories" => "BlogCategory",
"Tags" => "BlogTag",
);
private static $defaults = array(
"ShowInMenus" => false,
"InheritSideBar" => true, // Support for widgets
"ProvideComments" => true, // Support for comments
);
private static $extensions = array(
"BlogPostFilter",
);
private static $searchable_fields = array(
"Title"
);
private static $summary_fields = array(
"Title",
);
private static $allowed_children = array();
private static $default_sort = "PublishDate DESC";
private static $can_be_root = false;
/**
* This will display or hide the current class from the SiteTree. This
* variable can be configured using YAML.
*
* @var boolean
**/
private static $show_in_sitetree = false;
public function getCMSFields() {
Requirements::css(BLOGGER_DIR . '/css/cms.css');
$self =& $this;
$this->beforeUpdateCMSFields(function($fields) use ($self) {
// Add featured image
$fields->insertAfter(
$uploadField = UploadField::create("FeaturedImage", _t("BlogPost.FeaturedImage", "Featured Image")),
"Content"
);
$uploadField->getValidator()->setAllowedExtensions(array('jpg', 'jpeg', 'png', 'gif'));
// We're going to hide MenuTitle - Its not needed in blog posts.
$fields->push(HiddenField::create('MenuTitle'));
// We're going to add the url segment to sidebar so we're making it a little lighter
$urlSegment = $fields->dataFieldByName('URLSegment');
$urlSegment->setURLPrefix('/' . Director::makeRelative($this->Parent()->Link()));
// Remove the MenuTitle and URLSegment from the main tab
$fields->removeFieldsFromTab('Root.Main', array(
'MenuTitle',
'URLSegment',
));
// Build up our sidebar
$options = BlogAdminSidebar::create(
$publishDate = DatetimeField::create("PublishDate", _t("BlogPost.PublishDate", "Publish Date")),
$urlSegment,
ListboxField::create(
"Categories",
_t("BlogPost.Categories", "Categories"),
$self->Parent()->Categories()->map()->toArray()
)->setMultiple(true),
ListboxField::create(
"Tags",
_t("BlogPost.Tags", "Tags"),
$self->Parent()->Tags()->map()->toArray()
)->setMultiple(true)
)->setTitle('Post Options');
$publishDate->getDateField()->setConfig("showcalendar", true);
// Insert it before the TabSet
$fields->insertBefore($options, 'Root');
});
$fields = parent::getCMSFields();
// We need to render an outer template to deal with our custom layout
$fields->fieldByName('Root')->setTemplate('TabSet_holder');
return $fields;
}
/**
* If no publish date is set, set the date to now.
**/
public function onBeforeWrite() {
parent::onBeforeWrite();
if(!$this->PublishDate) $this->setCastedField("PublishDate", time());
}
/**
* Update the PublishDate to now, if being published for the first time, and the date hasn't been set to the future.
**/
public function onBeforePublish() {
if ($this->dbObject('PublishDate')->InPast() && !$this->isPublished()) {
$this->setCastedField("PublishDate", time());
$this->write();
}
}
/**
* Checks the publish date to see if the blog post has actually been published.
*
* @param $member Member|null
*
* @return boolean
**/
public function canView($member = null) {
if(!parent::canView($member)) return false;
if($this->PublishDate) {
$publishDate = $this->dbObject("PublishDate");
if($publishDate->InFuture() && !Permission::checkMember($member, "VIEW_DRAFT_CONTENT")) {
return false;
}
}
return true;
}
/**
* Returns the post excerpt.
*
* @param $wordCount int - number of words to display
*
* @return string
**/
public function Excerpt($wordCount = 30) {
return $this->dbObject("Content")->LimitWordCount($wordCount);
}
/**
* Returns a monthly archive link for the current blog post.
*
* @param $type string day|month|year
*
* @return string URL
**/
public function getMonthlyArchiveLink($type = "day") {
$date = $this->dbObject("PublishDate");
$year = $date->format("Y");
if($type != "year") {
if($type == "day") {
return Controller::join_links(
$this->Parent()->Link("archive"),
$date->format("Y"),
$date->format("m"),
$date->format("d")
);
}
return Controller::join_links($this->Parent()->Link("archive"), $date->format("Y"), $date->format("m"));
}
return Controller::join_links($this->Parent()->Link("archive"), $date->format("Y"));
}
/**
* Returns a yearly archive link for the current blog post.
*
* @return string URL
**/
public function getYearlyArchiveLink() {
$date = $this->dbObject("PublishDate");
return Controller::join_links($this->Parent()->Link("archive"), $date->format("Y"));
}
/**
* Sets the label for BlogPost.Title to 'Post Title' (Rather than 'Page name')
*
* @return array
**/
public function fieldLabels($includerelations = true) {
$labels = parent::fieldLabels($includerelations);
$labels['Title'] = _t('BlogPost.PageTitleLabel', "Post Title");
return $labels;
}
}
/**
* Blog Post controller
*
* @package silverstripe
* @subpackage blog
*
* @author Michael Strong <github@michaelstrong.co.uk>
**/
class BlogPost_Controller extends Page_Controller {
}