silverstripe-blog/model/BlogPost.php

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<?php
/**
* An indivisual blog post.
*
* @package silverstripe
* @subpackage blog
*
* @author Michael Strong <github@michaelstrong.co.uk>
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**/
class BlogPost extends Page {
private static $db = array(
"PublishDate" => "SS_Datetime",
);
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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
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);
private static $extensions = array(
"BlogPostFilter",
);
private static $searchable_fields = array(
"Title"
);
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private static $summary_fields = array(
"Title",
);
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private static $allowed_children = array();
private static $default_sort = "PublishDate DESC";
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private static $can_be_root = false;
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/**
* This will display or hide the current class from the SiteTree. This
* variable can be configured using YAML.
*
* @var boolean
**/
private static $show_in_sitetree = false;
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public function getCMSFields() {
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// Assign to variable & pass for PHP <= 5.4 closure compatibility
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$data = array(
"TagsMap" => $this->Parent()->Tags()->map()->toArray(),
"CategoryMap" => $this->Parent()->Categories()->map()->toArray()
);
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$this->beforeUpdateCMSFields(function($fields) use ($data) {
// Add Publish date fields
$fields->insertAfter(
$publishDate = DatetimeField::create("PublishDate", _t("BlogPost.PublishDate", "Publish Date")),
"Content"
);
$publishDate->getDateField()->setConfig("showcalendar", true);
// Add Categories & Tags fields
$categoriesField = ListboxField::create("Categories",
_t("BlogPost.Categories", "Categories"), $data['CategoryMap'])->setMultiple(true);
$fields->insertAfter($categoriesField, "PublishDate");
$tagsField = ListboxField::create("Tags", _t("BlogPost.Tags", "Tags"), $data['TagsMap'])
->setMultiple(true);
$fields->insertAfter($tagsField, "Categories");
// Add featured image
$fields->insertBefore(
$uploadField = UploadField::create("FeaturedImage", _t("BlogPost.FeaturedImage", "Featured Image")),
"Content"
);
$uploadField->getValidator()->setAllowedExtensions(array('jpg', 'jpeg', 'png', 'gif'));
});
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$fields = parent::getCMSFields();
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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());
}
/**
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* Checks the publish date to see if the blog post has actually been published.
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*
* @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;
}
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/**
* Returns the post excerpt.
*
* @param $wordCount int - number of words to display
*
* @return string
**/
public function Excerpt($wordCount = 30) {
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return $this->dbObject("Content")->LimitWordCount($wordCount);
}
/**
* Returns a monthly archive link for the current blog post.
*
* @param $type string day|month|year
*
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* @return string URL
**/
public function getMonthlyArchiveLink($type = "day") {
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$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"));
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}
/**
* 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;
}
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}
/**
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* Blog Post controller
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*
* @package silverstripe
* @subpackage blog
*
* @author Michael Strong <github@michaelstrong.co.uk>
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**/
class BlogPost_Controller extends Page_Controller {
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}