519 lines
14 KiB
PHP
519 lines
14 KiB
PHP
<?php
|
|
|
|
/**
|
|
* An indivisual blog post.
|
|
*
|
|
* @package silverstripe
|
|
* @subpackage blog
|
|
*
|
|
* @method ManyManyList Categories()
|
|
* @method ManyManyList Tags()
|
|
* @method ManyManyList Authors()
|
|
*
|
|
* @author Michael Strong <github@michaelstrong.co.uk>
|
|
**/
|
|
class BlogPost extends Page {
|
|
|
|
private static $db = array(
|
|
"PublishDate" => "SS_Datetime",
|
|
"AuthorNames" => "Varchar(1024)",
|
|
"Summary" => "HTMLText",
|
|
);
|
|
|
|
private static $has_one = array(
|
|
"FeaturedImage" => "Image",
|
|
);
|
|
|
|
private static $many_many = array(
|
|
"Categories" => "BlogCategory",
|
|
"Tags" => "BlogTag",
|
|
"Authors" => "Member",
|
|
);
|
|
|
|
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 $casting = array(
|
|
'Excerpt' => 'Text'
|
|
);
|
|
|
|
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;
|
|
|
|
|
|
/**
|
|
* Determine if the given member is an author of this post
|
|
*
|
|
* @param Member $member
|
|
* @return boolean
|
|
*/
|
|
public function isAuthor($member) {
|
|
if(!$member || !$member->exists()) return false;
|
|
|
|
$list = $this->Authors();
|
|
if($list instanceof UnsavedRelationList) {
|
|
return in_array($member->ID, $list->getIDList());
|
|
}
|
|
|
|
return $list->byID($member->ID) !== null;
|
|
}
|
|
|
|
/**
|
|
* Determine the role of the given member
|
|
* Call be called via template to determine the current user
|
|
*
|
|
* E.g. `Hello $RoleOf($CurrentMember.ID)`
|
|
*
|
|
* @param Member|integer $member
|
|
* @return string|null Author, Editor, Writer, Contributor, or null if no role
|
|
*/
|
|
public function RoleOf($member) {
|
|
if(is_numeric($member)) $member = DataObject::get_by_id('Member', $member);
|
|
if(!$member) return null;
|
|
|
|
// Check if this member is an author
|
|
if($this->isAuthor($member)) return _t("BlogPost.AUTHOR", "Author");
|
|
|
|
// Check parent role
|
|
$parent = $this->Parent();
|
|
if($parent instanceof Blog) return $parent->RoleOf($member);
|
|
}
|
|
|
|
|
|
public function getCMSFields() {
|
|
Requirements::css(BLOGGER_DIR . '/css/cms.css');
|
|
Requirements::javascript(BLOGGER_DIR . '/js/cms.js');
|
|
|
|
$self =& $this;
|
|
$this->beforeUpdateCMSFields(function($fields) use ($self) {
|
|
|
|
// Add blog summary
|
|
$summaryHolder = ToggleCompositeField::create(
|
|
'CustomSummary',
|
|
_t('BlogPost.CUSTOMSUMMARY', 'Add A Custom Summary'),
|
|
array(
|
|
$summary = HtmlEditorField::create("Summary", false)
|
|
)
|
|
)
|
|
->setHeadingLevel(4)
|
|
->addExtraClass('custom-summary');
|
|
$summary->setRows(5);
|
|
$summary->setDescription(_t(
|
|
'BlogPost.SUMMARY_DESCRIPTION',
|
|
"If no summary is specified the first 30 words will be used."
|
|
));
|
|
$fields->insertBefore($summaryHolder, 'Content');
|
|
|
|
// 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');
|
|
$urlSegment->setURLPrefix($self->Parent()->RelativeLink());
|
|
|
|
// Remove the MenuTitle and URLSegment from the main tab
|
|
$fields->removeFieldsFromTab('Root.Main', array(
|
|
'MenuTitle',
|
|
'URLSegment',
|
|
));
|
|
|
|
// Author field
|
|
$authorField = ListboxField::create(
|
|
"Authors",
|
|
_t("BlogPost.Authors", "Authors"),
|
|
Member::get()->map()->toArray()
|
|
)->setMultiple(true);
|
|
|
|
$authorNames = TextField::create(
|
|
"AuthorNames",
|
|
_t("BlogPost.AdditionalCredits", "Additional Credits"),
|
|
null,
|
|
1024
|
|
)->setDescription('If some authors of this post don\'t have CMS access, enter their name(s) here. You can separate multiple names with a comma.');
|
|
if(!$self->canEditAuthors()) {
|
|
$authorField = $authorField->performDisabledTransformation();
|
|
$authorNames = $authorNames->performDisabledTransformation();
|
|
}
|
|
|
|
// Build up our sidebar
|
|
$options = BlogAdminSidebar::create(
|
|
$publishDate = DatetimeField::create("PublishDate", _t("BlogPost.PublishDate", "Publish Date")),
|
|
$urlSegment,
|
|
TagField::create(
|
|
'Categories',
|
|
_t('BlogPost.Categories', 'Categories'),
|
|
$self->Parent()->Categories()->map(),
|
|
$self->Categories()->map(),
|
|
!$self->canCreateCategories()
|
|
),
|
|
TagField::create(
|
|
'Tags',
|
|
_t('BlogPost.Tags', 'Tags'),
|
|
$self->Parent()->Tags()->map(),
|
|
$self->Tags()->map(),
|
|
!$self->canCreateTags()
|
|
),
|
|
$authorField,
|
|
$authorNames
|
|
)->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;
|
|
}
|
|
|
|
/**
|
|
* Determine whether user can create new categories.
|
|
*
|
|
* @param int|Member|null $member
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function canCreateCategories($member = null) {
|
|
$member = $member ?: Member::currentUser();
|
|
if(is_numeric($member)) $member = Member::get()->byID($member);
|
|
|
|
$parent = $this->Parent();
|
|
|
|
if(!$parent || !$parent->exists() || !($parent instanceof Blog)) return false;
|
|
|
|
if($parent->isEditor($member)) return true;
|
|
|
|
return Permission::checkMember($member, 'ADMIN');
|
|
}
|
|
|
|
/**
|
|
* Determine whether user can create new tags.
|
|
*
|
|
* @param int|Member|null $member
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function canCreateTags($member = null) {
|
|
$member = $member ?: Member::currentUser();
|
|
if(is_numeric($member)) $member = Member::get()->byID($member);
|
|
|
|
$parent = $this->Parent();
|
|
|
|
if(!$parent || !$parent->exists() || !($parent instanceof Blog)) return false;
|
|
|
|
if($parent->isEditor($member)) return true;
|
|
|
|
if($parent->isWriter($member)) return true;
|
|
|
|
return Permission::checkMember($member, 'ADMIN');
|
|
}
|
|
|
|
protected function onBeforeWrite() {
|
|
parent::onBeforeWrite();
|
|
|
|
// If no publish date is set, set the date to now.
|
|
if(!$this->PublishDate) $this->PublishDate = SS_Datetime::now()->getValue();
|
|
|
|
// If creating a new entry, assign the current member as an author
|
|
// This allows writers and contributors to then edit their new post
|
|
if(!$this->exists() && ($member = Member::currentUser())) {
|
|
$this->Authors()->add($member);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* 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->PublishDate = SS_Datetime::now()->getValue();
|
|
$this->write();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets blog relationship on all categories and tags assigned to this post.
|
|
*
|
|
* @throws ValidationException
|
|
*/
|
|
public function onAfterWrite()
|
|
{
|
|
parent::onAfterWrite();
|
|
|
|
foreach ($this->Categories() as $category) {
|
|
$category->BlogID = $this->ParentID;
|
|
$category->write();
|
|
}
|
|
|
|
foreach ($this->Tags() as $tag) {
|
|
$tag->BlogID = $this->ParentID;
|
|
$tag->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($member, "VIEW_DRAFT_CONTENT")) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
public function canEdit($member = null) {
|
|
$member = $member ?: Member::currentUser();
|
|
if(is_numeric($member)) $member = Member::get()->byID($member);
|
|
|
|
// Inherit permission
|
|
if(parent::canEdit($member)) return true;
|
|
|
|
// Check if assigned to a blog
|
|
$parent = $this->Parent();
|
|
if(!$parent || !$parent->exists() || !($parent instanceof Blog)) return false;
|
|
|
|
// Editors have full control
|
|
if($parent->isEditor($member)) return true;
|
|
|
|
// Only writers or contributors can edit
|
|
if(!$parent->isWriter($member) && !$parent->isContributor($member)) return false;
|
|
|
|
// And only if they are also authors
|
|
return $this->isAuthor($member);
|
|
}
|
|
|
|
/**
|
|
* Determine if this user can edit the authors list
|
|
*
|
|
* @param Member $member
|
|
* @return boolean
|
|
*/
|
|
public function canEditAuthors($member = null) {
|
|
$member = $member ?: Member::currentUser();
|
|
if(is_numeric($member)) $member = Member::get()->byID($member);
|
|
|
|
$extended = $this->extendedCan('canEditAuthors', $member);
|
|
if($extended !== null) return $extended;
|
|
|
|
// Check blog roles
|
|
$parent = $this->Parent();
|
|
if($parent instanceof Blog && $parent->exists()) {
|
|
// Editors can do anything
|
|
if($parent->isEditor($member)) return true;
|
|
|
|
// Writers who are also authors can edit authors
|
|
if($parent->isWriter($member) && $this->isAuthor($member)) return true;
|
|
}
|
|
|
|
// Check permission
|
|
return Permission::checkMember($member, Blog::MANAGE_USERS);
|
|
}
|
|
|
|
public function canPublish($member = null) {
|
|
$member = $member ?: Member::currentUser();
|
|
if(is_numeric($member)) $member = Member::get()->byID($member);
|
|
|
|
if(Permission::checkMember($member, "ADMIN")) return true;
|
|
|
|
// Standard mechanism for accepting permission changes from extensions
|
|
$extended = $this->extendedCan('canPublish', $member);
|
|
if($extended !== null) return $extended;
|
|
|
|
// Check blog roles
|
|
$parent = $this->Parent();
|
|
if($parent instanceof Blog && $parent->exists()) {
|
|
// Editors can do anything
|
|
if($parent->isEditor($member)) return true;
|
|
|
|
// Writers who are also authors can edit authors
|
|
if($parent->isWriter($member) && $this->isAuthor($member)) return true;
|
|
|
|
// Contributors can ONLY publish this page if they somehow have global publish permissions
|
|
// In this case defer to old canEdit implementation
|
|
if($parent->isContributor($member)) return parent::canEdit($member);
|
|
}
|
|
|
|
// Normal case - fail over to canEdit()
|
|
return $this->canEdit($member);
|
|
}
|
|
|
|
|
|
/**
|
|
* 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 = $this->dbObject("PublishDate");
|
|
if($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"));
|
|
}
|
|
|
|
/**
|
|
* Resolves static and dynamic authors linked to this post.
|
|
*
|
|
* @return ArrayList
|
|
*/
|
|
public function getCredits()
|
|
{
|
|
$list = new ArrayList();
|
|
|
|
$list->merge($this->getDynamicCredits());
|
|
$list->merge($this->getStaticCredits());
|
|
|
|
return $list->sort('Name');
|
|
}
|
|
|
|
/**
|
|
* Resolves dynamic authors linked to this post.
|
|
*
|
|
* @return ArrayList
|
|
*/
|
|
protected function getDynamicCredits()
|
|
{
|
|
$items = new ArrayList();
|
|
|
|
foreach($this->Authors() as $author) {
|
|
$items->push(
|
|
$author->customise(array(
|
|
'URL' => $this->Parent->ProfileLink($author->URLSegment),
|
|
))
|
|
);
|
|
}
|
|
|
|
return $items;
|
|
}
|
|
|
|
/**
|
|
* Resolves static authors linked to this post.
|
|
*
|
|
* @return ArrayList
|
|
*/
|
|
protected function getStaticCredits()
|
|
{
|
|
$items = new ArrayList();
|
|
|
|
$authors = array_filter(preg_split('/\s*,\s*/', $this->AuthorNames));
|
|
|
|
foreach ($authors as $author) {
|
|
$item = new ArrayData(array(
|
|
'Name' => $author,
|
|
));
|
|
|
|
$items->push($item);
|
|
}
|
|
|
|
return $items;
|
|
}
|
|
|
|
/**
|
|
* Sets the label for BlogPost.Title to 'Post Title' (Rather than 'Page name')
|
|
*
|
|
* @return array
|
|
**/
|
|
public function fieldLabels($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 {
|
|
|
|
}
|