mirror of
https://github.com/silverstripe/silverstripe-blog
synced 2024-10-22 11:05:58 +02:00
685 lines
15 KiB
PHP
685 lines
15 KiB
PHP
<?php
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/**
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* An individual blog post.
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*
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* @package silverstripe
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* @subpackage blog
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*
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* @method ManyManyList Categories()
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* @method ManyManyList Tags()
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* @method ManyManyList Authors()
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* @method Blog Parent()
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*
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* @property string $PublishDate
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* @property string $AuthorNames
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* @property int $ParentID
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*/
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class BlogPost extends Page {
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/**
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* Same as above, but for list of users that can be
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* given credit in the author field for blog posts
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* @var string|bool false or group code
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*/
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private static $restrict_authors_to_group = false;
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/**
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* @var array
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*/
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private static $db = array(
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'PublishDate' => 'SS_Datetime',
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'AuthorNames' => 'Varchar(1024)',
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'Summary' => 'HTMLText',
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);
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/**
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* @var array
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*/
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private static $has_one = array(
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'FeaturedImage' => 'Image',
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);
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/**
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* @var array
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*/
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private static $many_many = array(
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'Categories' => 'BlogCategory',
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'Tags' => 'BlogTag',
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'Authors' => 'Member',
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);
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/**
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* @var array
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*/
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private static $defaults = array(
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'ShowInMenus' => false,
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'InheritSideBar' => true,
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'ProvideComments' => true,
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);
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/**
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* @var array
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*/
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private static $extensions = array(
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'BlogPostFilter',
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);
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/**
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* @var array
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*/
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private static $searchable_fields = array(
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'Title',
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);
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/**
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* @var array
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*/
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private static $summary_fields = array(
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'Title',
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);
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/**
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* @var array
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*/
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private static $casting = array(
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'Excerpt' => 'Text',
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);
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/**
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* @var array
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*/
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private static $allowed_children = array();
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/**
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* The default sorting lists BlogPosts with an empty PublishDate at the top.
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*
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* @var string
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*/
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private static $default_sort = '"PublishDate" IS NULL DESC, "PublishDate" DESC';
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/**
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* @var bool
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*/
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private static $can_be_root = false;
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/**
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* This will display or hide the current class from the SiteTree. This variable can be
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* configured using YAML.
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*
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* @var bool
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*/
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private static $show_in_sitetree = false;
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/**
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* Determine the role of the given member.
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*
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* Call be called via template to determine the current user.
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*
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* @example "Hello $RoleOf($CurrentMember.ID)"
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*
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* @param null|int|Member $member
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*
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* @return null|string
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*/
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public function RoleOf($member = null) {
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$member = $this->getMember($member);
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if(!$member) {
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return null;
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}
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if($this->isAuthor($member)) {
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return _t('BlogPost.AUTHOR', 'Author');
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}
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$parent = $this->Parent();
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if($parent instanceof Blog) {
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return $parent->RoleOf($member);
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}
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return null;
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}
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/**
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* Determine if the given member is an author of this post.
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*
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* @param null|Member $member
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*
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* @return bool
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*/
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public function isAuthor($member = null) {
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if(!$member || !$member->exists()) {
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return false;
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}
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$list = $this->Authors();
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if($list instanceof UnsavedRelationList) {
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return in_array($member->ID, $list->getIDList());
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}
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return $list->byID($member->ID) !== null;
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}
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/**
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* {@inheritdoc}
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*/
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public function getCMSFields() {
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Requirements::css(BLOGGER_DIR . '/css/cms.css');
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Requirements::javascript(BLOGGER_DIR . '/js/cms.js');
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$self =& $this;
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$this->beforeUpdateCMSFields(function ($fields) use ($self) {
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$uploadField = UploadField::create('FeaturedImage', _t('BlogPost.FeaturedImage', 'Featured Image'));
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$uploadField->getValidator()->setAllowedExtensions(array('jpg', 'jpeg', 'png', 'gif'));
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/**
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* @var FieldList $fields
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*/
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$fields->insertAfter($uploadField, 'Content');
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$summary = HtmlEditorField::create('Summary', false);
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$summary->setRows(5);
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$summary->setDescription(_t(
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'BlogPost.SUMMARY_DESCRIPTION',
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'If no summary is specified the first 30 words will be used.'
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));
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$summaryHolder = ToggleCompositeField::create(
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'CustomSummary',
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_t('BlogPost.CUSTOMSUMMARY', 'Add A Custom Summary'),
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array(
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$summary,
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)
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);
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$summaryHolder->setHeadingLevel(4);
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$summaryHolder->addExtraClass('custom-summary');
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$fields->insertAfter($summaryHolder, 'FeaturedImage');
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$fields->push(HiddenField::create('MenuTitle'));
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$urlSegment = $fields->dataFieldByName('URLSegment');
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$urlSegment->setURLPrefix($self->Parent()->RelativeLink());
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$fields->removeFieldsFromTab('Root.Main', array(
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'MenuTitle',
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'URLSegment',
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));
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$authorField = ListboxField::create(
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'Authors',
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_t('BlogPost.Authors', 'Authors'),
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$this->getCandidateAuthors()->map()->toArray()
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)->setMultiple(true);
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$authorNames = TextField::create(
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'AuthorNames',
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_t('BlogPost.AdditionalCredits', 'Additional Credits'),
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null,
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1024
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)->setDescription(_t(
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'BlogPost.PublishDate_Description',
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'If some authors of this post don\'t have CMS access, enter their name(s) here. You can separate multiple names with a comma.')
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);
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if(!$self->canEditAuthors()) {
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$authorField = $authorField->performDisabledTransformation();
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$authorNames = $authorNames->performDisabledTransformation();
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}
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$publishDate = DatetimeField::create('PublishDate', _t('BlogPost.PublishDate', 'Publish Date'));
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$publishDate->getDateField()->setConfig('showcalendar', true);
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if(!$self->PublishDate) {
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$publishDate->setDescription(_t(
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'BlogPost.PublishDate_Description',
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'Will be set to "now" if published without a value.')
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);
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}
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// Get categories and tags
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$parent = $self->Parent();
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$categories = $parent instanceof Blog
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? $parent->Categories()
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: BlogCategory::get();
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$tags = $parent instanceof Blog
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? $parent->Tags()
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: BlogTag::get();
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$options = BlogAdminSidebar::create(
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$publishDate,
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$urlSegment,
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TagField::create(
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'Categories',
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_t('BlogPost.Categories', 'Categories'),
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$categories,
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$self->Categories()
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)
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->setCanCreate($self->canCreateCategories())
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->setShouldLazyLoad(true),
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TagField::create(
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'Tags',
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_t('BlogPost.Tags', 'Tags'),
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$tags,
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$self->Tags()
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)
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->setCanCreate($self->canCreateTags())
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->setShouldLazyLoad(true),
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$authorField,
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$authorNames
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)->setTitle('Post Options');
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$fields->insertBefore($options, 'Root');
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});
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$fields = parent::getCMSFields();
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$fields->fieldByName('Root')->setTemplate('TabSet_holder');
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return $fields;
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}
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/**
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* Gets the list of author candidates to be assigned as authors of this blog post.
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*
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* @return SS_List
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*/
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public function getCandidateAuthors() {
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if($this->config()->restrict_authors_to_group) {
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return Group::get()->filter('Code', $this->config()->restrict_authors_to_group)->first()->Members();
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} else {
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$list = Member::get();
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$this->extend('updateCandidateAuthors', $list);
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return $list;
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}
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}
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/**
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* Determine if this user can edit the authors list.
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*
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* @param null|int|Member $member
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*
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* @return bool
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*/
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public function canEditAuthors($member = null) {
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$member = $this->getMember($member);
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$extended = $this->extendedCan('canEditAuthors', $member);
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if($extended !== null) {
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return $extended;
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}
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$parent = $this->Parent();
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if($parent instanceof Blog && $parent->exists()) {
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if($parent->isEditor($member)) {
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return true;
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}
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if($parent->isWriter($member) && $this->isAuthor($member)) {
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return true;
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}
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}
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return Permission::checkMember($member, Blog::MANAGE_USERS);
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}
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/**
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* @param null|int|Member $member
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*
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* @return null|Member
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*/
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protected function getMember($member = null) {
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if(!$member) {
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$member = Member::currentUser();
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}
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if(is_numeric($member)) {
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$member = Member::get()->byID($member);
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}
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return $member;
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}
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/**
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* Determine whether user can create new categories.
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*
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* @param null|int|Member $member
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*
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* @return bool
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*/
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public function canCreateCategories($member = null) {
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$member = $this->getMember($member);
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$parent = $this->Parent();
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if(!$parent || !$parent->exists() || !($parent instanceof Blog)) {
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return false;
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}
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if($parent->isEditor($member)) {
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return true;
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}
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return Permission::checkMember($member, 'ADMIN');
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}
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/**
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* Determine whether user can create new tags.
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*
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* @param null|int|Member $member
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*
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* @return bool
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*/
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public function canCreateTags($member = null) {
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$member = $this->getMember($member);
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$parent = $this->Parent();
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if(!$parent || !$parent->exists() || !($parent instanceof Blog)) {
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return false;
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}
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if($parent->isEditor($member)) {
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return true;
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}
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if($parent->isWriter($member)) {
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return true;
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}
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return Permission::checkMember($member, 'ADMIN');
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}
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/**
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* {@inheritdoc}
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*
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* Update the PublishDate to now if the BlogPost would otherwise be published without a date.
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*/
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public function onBeforePublish() {
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/**
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* @var SS_Datetime $publishDate
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*/
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$publishDate = $this->dbObject('PublishDate');
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if(!$publishDate->getValue()) {
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$this->PublishDate = SS_Datetime::now()->getValue();
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$this->write();
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}
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}
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/**
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* {@inheritdoc}
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*
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* Sets blog relationship on all categories and tags assigned to this post.
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*/
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public function onAfterWrite() {
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parent::onAfterWrite();
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foreach($this->Categories() as $category) {
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/**
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* @var BlogCategory $category
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*/
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$category->BlogID = $this->ParentID;
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$category->write();
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}
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foreach($this->Tags() as $tag) {
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/**
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* @var BlogTag $tag
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*/
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$tag->BlogID = $this->ParentID;
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$tag->write();
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function canView($member = null) {
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$member = $this->getMember($member);
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if(!parent::canView($member)) {
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return false;
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}
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/**
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* @var SS_Datetime $publishDate
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*/
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$publishDate = $this->dbObject('PublishDate');
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// Show past posts
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if(!$publishDate->exists() || !$publishDate->InFuture()) {
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return true;
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}
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// Anyone that can edit this page can view it
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return $this->canEdit($member);
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}
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/**
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* {@inheritdoc}
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*/
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public function canPublish($member = null) {
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$member = $this->getMember($member);
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if(Permission::checkMember($member, 'ADMIN')) {
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return true;
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}
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$extended = $this->extendedCan('canPublish', $member);
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if($extended !== null) {
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return $extended;
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}
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$parent = $this->Parent();
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if($parent instanceof Blog && $parent->exists()) {
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if($parent->isEditor($member)) {
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return true;
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}
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if($parent->isWriter($member) && $this->isAuthor($member)) {
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return true;
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}
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if($parent->isContributor($member)) {
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return parent::canEdit($member);
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}
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}
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return $this->canEdit($member);
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}
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/**
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* {@inheritdoc}
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*/
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public function canEdit($member = null) {
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$member = $this->getMember($member);
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if(parent::canEdit($member)) {
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return true;
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}
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$parent = $this->Parent();
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if(!$parent || !$parent->exists() || !($parent instanceof Blog)) {
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return false;
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}
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if($parent->isEditor($member)) {
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return true;
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}
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if(!$parent->isWriter($member) && !$parent->isContributor($member)) {
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return false;
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}
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return $this->isAuthor($member);
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}
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/**
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* Returns the post excerpt.
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*
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* @param int $wordsToDisplay
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*
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* @return string
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*/
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public function Excerpt($wordsToDisplay = 30) {
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/**
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* @var Text $content
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*/
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$content = $this->dbObject('Content');
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return $content->Summary($wordsToDisplay);
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}
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/**
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* Returns a monthly archive link for the current blog post.
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*
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* @param string $type
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*
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* @return string
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*/
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public function getMonthlyArchiveLink($type = 'day') {
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/**
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* @var SS_Datetime $date
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*/
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$date = $this->dbObject('PublishDate');
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if($type != 'year') {
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if($type == 'day') {
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return Controller::join_links(
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$this->Parent()->Link('archive'),
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$date->format('Y'),
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$date->format('m'),
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$date->format('d')
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);
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}
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return Controller::join_links($this->Parent()->Link('archive'), $date->format('Y'), $date->format('m'));
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}
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return Controller::join_links($this->Parent()->Link('archive'), $date->format('Y'));
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}
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/**
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* Returns a yearly archive link for the current blog post.
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*
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* @return string
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*/
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public function getYearlyArchiveLink() {
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/**
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* @var SS_Datetime $date
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*/
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$date = $this->dbObject('PublishDate');
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return Controller::join_links($this->Parent()->Link('archive'), $date->format('Y'));
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}
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/**
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* Resolves static and dynamic authors linked to this post.
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*
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* @return ArrayList
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*/
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public function getCredits() {
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$list = new ArrayList();
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$list->merge($this->getDynamicCredits());
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$list->merge($this->getStaticCredits());
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return $list->sort('Name');
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}
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/**
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* Resolves dynamic authors linked to this post.
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*
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* @return ArrayList
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*/
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protected function getDynamicCredits() {
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// Find best page to host user profiles
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$parent = $this->Parent();
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if(! ($parent instanceof Blog) ) {
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$parent = Blog::get()->first();
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}
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// If there is no parent blog, return list undecorated
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if(!$parent) {
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$items = $this->Authors()->toArray();
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return new ArrayList($items);
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}
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// Update all authors
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$items = new ArrayList();
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foreach($this->Authors() as $author) {
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// Add link for each author
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$author = $author->customise(array(
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'URL' => $parent->ProfileLink($author->URLSegment),
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));
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$items->push($author);
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}
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return $items;
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}
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/**
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* Resolves static authors linked to this post.
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*
|
|
* @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').
|
|
*
|
|
* @param bool $includeRelations
|
|
*
|
|
* @return array
|
|
*/
|
|
public function fieldLabels($includeRelations = true) {
|
|
$labels = parent::fieldLabels($includeRelations);
|
|
|
|
$labels['Title'] = _t('BlogPost.PageTitleLabel', "Post Title");
|
|
|
|
return $labels;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function onBeforeWrite() {
|
|
parent::onBeforeWrite();
|
|
|
|
if(!$this->exists() && ($member = Member::currentUser())) {
|
|
$this->Authors()->add($member);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @package silverstripe
|
|
* @subpackage blog
|
|
*/
|
|
class BlogPost_Controller extends Page_Controller {
|
|
|
|
}
|