ref: master
app/models/article.rb
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class Article < ApplicationRecord module Editor TEXTILE = 'textile' TINY_MCE = 'tiny_mce' RAW_HTML = 'raw_html' end include SanitizeHelper include SanitizeTags attr_accessible :name, :body, :abstract, :profile, :tag_list, :parent, :allow_members_to_edit, :translation_of_id, :language, :license_id, :parent_id, :display_posts_in_current_language, :category_ids, :posts_per_page, :moderate_comments, :accept_comments, :feed, :published, :source, :source_name, :highlighted, :notify_comments, :display_hits, :slug, :external_feed_builder, :display_versions, :external_link, :image_builder, :show_to_followers, :archived, :author, :display_preview, :published_at, :person_followers, :editor, :created_by, :last_changed_by extend ActsAsHavingImage::ClassMethods acts_as_having_image include Noosfero::Plugin::HotSpot SEARCHABLE_FIELDS = { :name => {:label => _('Name'), :weight => 10}, :abstract => {:label => _('Abstract'), :weight => 3}, :body => {:label => _('Content'), :weight => 2}, :slug => {:label => _('Slug'), :weight => 1}, :filename => {:label => _('Filename'), :weight => 1}, } SEARCH_FILTERS = { :order => %w[more_recent more_popular more_comments more_relevant], :display => %w[full] } N_('article') def initialize(*params) super if params.present? && params.first.present? if params.first.symbolize_keys.has_key?(:published) self.published = params.first.symbolize_keys[:published] elsif params.first[:profile].present? && !params.first[:profile].public_profile self.published = false end end end def self.default_search_display 'full' end #FIXME This is necessary because html is being generated on the model... include ActionView::Helpers::TagHelper # use for internationalizable human type names in search facets # reimplement on subclasses def self.type_name _('Content') end track_actions :create_article, :after_create, :keep_params => [:name, :url, :lead, :first_image], :if => Proc.new { |a| a.notifiable? } before_create do |article| if article.author article.author_name = article.author.name end end belongs_to :profile validates_presence_of :profile_id, :name validates_presence_of :slug, :path, :if => lambda { |article| !article.name.blank? } validates_length_of :name, :maximum => 150 validates_uniqueness_of :slug, :scope => ['profile_id', 'parent_id'], :message => N_('The title (article name) is already being used by another article, please use another title.'), :if => lambda { |article| !article.slug.blank? } belongs_to :author, :class_name => 'Person' belongs_to :last_changed_by, :class_name => 'Person', :foreign_key => 'last_changed_by_id' belongs_to :created_by, :class_name => 'Person', :foreign_key => 'created_by_id' has_many :comments, -> { order 'created_at asc' }, class_name: 'Comment', as: 'source', dependent: :destroy has_many :article_followers, :dependent => :destroy has_many :person_followers, :class_name => 'Person', :through => :article_followers, :source => :person has_many :person_followers_emails, -> { select :email }, class_name: 'User', through: :person_followers, source: :user has_many :article_categorizations, -> { where 'articles_categories.virtual = ?', false } has_many :categories, -> { where 'categories.visible_for_articles = ?', true }, through: :article_categorizations has_many :article_categorizations_including_virtual, :class_name => 'ArticleCategorization' has_many :categories_including_virtual, :through => :article_categorizations_including_virtual, :source => :category extend ActsAsHavingSettings::ClassMethods acts_as_having_settings field: :setting store_accessor :metadata include MetadataScopes settings_items :display_hits, :type => :boolean, :default => true settings_items :author_name, :type => :string, :default => "" settings_items :allow_members_to_edit, :type => :boolean, :default => false settings_items :moderate_comments, :type => :boolean, :default => false has_and_belongs_to_many :article_privacy_exceptions, :class_name => 'Person', :join_table => 'article_privacy_exceptions' belongs_to :reference_article, :class_name => "Article", :foreign_key => 'reference_article_id' belongs_to :license has_many :translations, :class_name => 'Article', :foreign_key => :translation_of_id belongs_to :translation_of, :class_name => 'Article', :foreign_key => :translation_of_id before_destroy :rotate_translations acts_as_voteable after_save :invalidate_parent_cache before_create do |article| article.published_at ||= Time.now if article.reference_article && !article.parent parent = article.reference_article.parent if parent && parent.blog? && article.profile.has_blog? article.parent = article.profile.blog end end if article.created_by article.author_name = article.created_by.name end end after_destroy :destroy_activity def destroy_activity self.activity.destroy if self.activity end after_destroy :destroy_link_article def destroy_link_article Article.where(:reference_article_id => self.id, :type => LinkArticle).destroy_all end xss_terminate :only => [ :name ], :on => 'validation', :with => 'white_list' scope :in_category, -> category { includes('categories_including_virtual').where('categories.id' => category.id) } include TimeScopes scope :by_range, -> range { where 'articles.published_at BETWEEN :start_date AND :end_date', { start_date: range.first, end_date: range.last } } URL_FORMAT = /\A(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?\Z/ix validates_format_of :external_link, :with => URL_FORMAT, :if => lambda { |article| !article.external_link.blank? } validate :known_language validate :used_translation validate :native_translation_must_have_language validate :translation_must_have_language validate :no_self_reference validate :no_cyclical_reference, :if => 'parent_id.present?' validate :parent_archived? validate :valid_slug RESERVED_SLUGS = %w[ about activities ] def valid_slug errors.add(:title, _('is not available as article name.')) unless Article.is_slug_available?(slug) end def self.is_slug_available?(slug) !RESERVED_SLUGS.include?(slug) end def no_self_reference errors.add(:parent_id, _('self-reference is not allowed.')) if id && parent_id == id end def no_cyclical_reference current_parent = Article.find(parent_id) while current_parent if current_parent == self errors.add(:parent_id, _('cyclical reference is not allowed.')) break end current_parent = current_parent.parent end end def external_link=(link) if !link.blank? && link !~ /^[a-z]+:\/\//i link = 'http://' + link end self[:external_link] = link end def action_tracker_target self.profile end def self.human_attribute_name_with_customization(attrib, options={}) case attrib.to_sym when :name _('Title') else _(self.human_attribute_name_without_customization(attrib)) end end class << self alias_method_chain :human_attribute_name, :customization end def css_class_list [self.class.name.to_css_class] end def css_class_name [css_class_list].flatten.compact.join(' ') end def pending_categorizations @pending_categorizations ||= [] end def add_category(c, reload=false) if new_record? pending_categorizations << c else ArticleCategorization.add_category_to_article(c, self) self.categories(reload) end end def category_ids=(ids) ArticleCategorization.remove_all_for(self) ids.uniq.each do |item| add_category(Category.find(item)) unless item.to_i.zero? end self.categories(true) end after_create :create_pending_categorizations def create_pending_categorizations pending_categorizations.each do |item| ArticleCategorization.add_category_to_article(item, self) end self.categories(true) pending_categorizations.clear end acts_as_taggable N_('Tag list') extend ActsAsFilesystem::ActsMethods acts_as_filesystem acts_as_versioned self.non_versioned_columns << 'setting' def version_condition_met? (['name', 'body', 'abstract', 'filename', 'start_date', 'end_date', 'image_id', 'license_id'] & changed).length > 0 end def comment_data comments.map {|item| [item.title, item.body].join(' ') }.join(' ') end before_update do |article| article.advertise = true end before_save do |article| article.parent = article.parent_id ? Article.find(article.parent_id) : nil parent_path = article.parent ? article.parent.path : nil article.path = [parent_path, article.slug].compact.join('/') end # retrieves all articles belonging to the given +profile+ that are not # sub-articles of any other article. scope :top_level_for, -> profile { where 'parent_id is null and profile_id = ?', profile.id } scope :is_public, -> { joins(:profile). where("articles.advertise = ? AND articles.published = ? AND profiles.visible = ? AND profiles.public_profile = ?", true, true, true, true) } scope :more_recent, -> { order('articles.published_at desc, articles.id desc') .where("articles.advertise = ? AND articles.published = ? AND profiles.visible = ? AND profiles.public_profile = ? AND ((articles.type != ?) OR articles.type is NULL)", true, true, true, true, 'RssFeed') } # retrives the most commented articles, sorted by the comment count (largest # first) def self.most_commented(limit) order('comments_count DESC').paginate(page: 1, per_page: limit) end scope :more_popular, -> { order 'hits DESC' } scope :relevant_as_recent, -> { where "(articles.type != 'UploadedFile' and articles.type != 'RssFeed' and articles.type != 'Blog') OR articles.type is NULL" } def self.recent(limit = nil, extra_conditions = {}, pagination = true) result = where(extra_conditions). is_public. relevant_as_recent. limit(limit). order(['articles.published_at desc', 'articles.id desc']) pagination ? result.paginate({:page => 1, :per_page => limit}) : result end # produces the HTML code that is to be displayed as this article's contents. # # The implementation in this class just provides the +body+ attribute as the # HTML. Other article types can override this method to provide customized # views of themselves. # (To override short format representation, override the lead method) def to_html(options = {}) if options[:format] == 'short' article = self proc do display_short_format(article) end else body || '' end end # returns the data of the article. Must be overriden in each subclass to # provide the correct content for the article. def data body end # provides the icon name to be used for this article. In this class this # method just returns 'text-html', but subclasses may (and should) override # to return their specific icons. # # FIXME use mime_type and generate this name dinamically def self.icon_name(article = nil) 'text-html' end # TODO Migrate the class method icon_name to instance methods. def icon_name self.class.icon_name(self) end def mime_type 'text/html' end def mime_type_description _('HTML Text document') end def self.description raise NotImplementedError, "#{self} does not implement #description" end def self.short_description raise NotImplementedError, "#{self} does not implement #short_description" end def title name end include ActionView::Helpers::TextHelper def short_title truncate self.title, :length => 15, :omission => '...' end def belongs_to_blog? self.parent and self.parent.blog? end def belongs_to_forum? self.parent and self.parent.forum? end def person_followers_email_list person_followers_emails.map{|p|p.email} end def info_from_last_update last_comment = comments.last if last_comment {:date => last_comment.created_at, :author_name => last_comment.author_name, :author_url => last_comment.author_url} else {:date => updated_at, :author_name => author_name, :author_url => author_url} end end def full_path profile.hostname.blank? ? "/#{profile.identifier}/#{path}" : "/#{path}" end def url @url ||= self.profile.url.merge(:page => path.split('/')) end def view_url @view_url ||= is_a?(UploadedFile) ? url.merge(:view => true) : url end def comment_url_structure(comment, action = :edit) if comment.new_record? profile.url.merge(:page => path.split("/"), :controller => :comment, :action => :create) else profile.url.merge(:page => path.split("/"), :controller => :comment, :action => action || :edit, :id => comment.id) end end def allow_children? true end def has_posts? false end def download? view = nil false end def is_followed_by?(user) self.person_followers.include? user end def download_disposition 'inline' end def download_headers { :filename => filename, :type => mime_type, :disposition => download_disposition} end def alternate_languages self.translations.map(&:language) end scope :native_translations, -> { where :translation_of_id => nil } def translatable? false end def native_translation self.translation_of.nil? ? self : self.translation_of end def possible_translations possibilities = environment.locales.keys - self.native_translation.translations(:select => :language).map(&:language) - [self.native_translation.language] possibilities << self.language unless self.language_changed? possibilities end def known_language unless self.language.blank? errors.add(:language, N_('Language not supported by the environment.')) unless environment.locales.key?(self.language) end end def used_translation unless self.language.blank? or self.translation_of.nil? errors.add(:language, N_('Language is already used')) unless self.possible_translations.include?(self.language) end end def translation_must_have_language unless self.translation_of.nil? errors.add(:language, N_('Language must be choosen')) if self.language.blank? end end def native_translation_must_have_language unless self.translation_of.nil? errors.add(:base, N_('A language must be choosen for the native article')) if self.translation_of.language.blank? end end def rotate_translations unless self.translations.empty? rotate = self.translations.to_a root = rotate.shift root.update_attribute(:translation_of_id, nil) root.translations = rotate end end def get_translation_to(locale) if self.language.nil? || self.language.blank? || self.language == locale self elsif self.native_translation.language == locale self.native_translation else self.native_translation.translations.where(:language => locale).first end end def published? if self.published if self.parent && !self.parent.published? return false end true else false end end def archived? (self.parent && self.parent.archived) || self.archived end def self.folder_types ['Folder', 'Blog', 'Forum', 'Gallery'] end scope :published, -> { where 'articles.published = ?', true } scope :folders, -> profile { where 'articles.type IN (?)', profile.folder_types } scope :no_folders, -> profile { where 'articles.type NOT IN (?)', profile.folder_types } scope :galleries, -> { where "articles.type IN ('Gallery')" } scope :images, -> { where :is_image => true } scope :no_images, -> { where :is_image => false } scope :files, -> { where :type => 'UploadedFile' } scope :with_types, -> types { where 'articles.type IN (?)', types } scope :no_feeds, -> { where "type != 'RssFeed'" } scope :latest, -> { order "updated_at DESC" } scope :more_popular, -> { order 'articles.hits DESC' } scope :more_comments, -> { order "articles.comments_count DESC" } scope :more_recent, -> { order "articles.created_at DESC" } scope :display_filter, lambda {|user, profile| return published if (user.nil? && profile && profile.public?) return [] if user.nil? || (profile && !profile.public? && !profile.in_social_circle?(user)) where( [ "published = ? OR last_changed_by_id = ? OR profile_id = ? OR ? OR (show_to_followers = ? AND ? AND profile_id IN (?))", true, user.id, user.id, profile.nil? ? false : user.has_permission?(:view_private_content, profile), true, (profile.nil? ? true : profile.in_social_circle?(user)), ( profile.nil? ? (user.friends.select('profiles.id')) : [profile.id]) ] ) } def display_unpublished_article_to?(user) user == author || allow_view_private_content?(user) || user == profile || user.is_admin?(profile.environment) || user.is_admin?(profile) || article_privacy_exceptions.include?(user) || (self.show_to_followers && user.follows?(profile)) end def display_to?(user = nil) if published? (profile.secret? || !profile.visible?) ? profile.display_info_to?(user) : true else if !user false else display_unpublished_article_to?(user) end end end def allow_post_content?(user = nil) return true if allow_edit_topic?(user) user && (profile.allow_post_content?(user) || allow_publish_content?(user) && (user == author)) end def allow_publish_content?(user = nil) user && user.has_permission?('publish_content', profile) end def allow_view_private_content?(user = nil) user && user.has_permission?('view_private_content', profile) end alias :allow_delete? :allow_post_content? def allow_spread?(user = nil) user && public? end def allow_create?(user) allow_post_content?(user) || allow_publish_content?(user) end def allow_edit?(user) return true if allow_edit_topic?(user) allow_post_content?(user) || user && allow_members_to_edit && user.is_member_of?(profile) end def allow_edit_topic?(user) self.belongs_to_forum? && (user == author) && user.present? && user.is_member_of?(profile) end def moderate_comments? moderate_comments == true end def comments_updated solr_save end def accept_category?(cat) cat.visible_for_articles end def public? profile.visible? && profile.public? && published? end def copy_without_save(options = {}) attrs = attributes.reject! { |key, value| ATTRIBUTES_NOT_COPIED.include?(key.to_sym) } attrs.merge!(options) object = self.class.new attrs.each do |key, value| object.send(key.to_s+'=', value) end object end def copy(options = {}) object = copy_without_save(options) object.save object end def copy!(options = {}) object = copy_without_save(options) object.save! object end ATTRIBUTES_NOT_COPIED = [ :id, :profile_id, :parent_id, :path, :slug, :updated_at, :created_at, :version, :lock_version, :type, :children_count, :comments_count, :hits, ] def self.find_by_old_path(old_path) self.includes(:versions).where('article_versions.path = ?', old_path).order('article_versions.id DESC').first end def hit if !archived? self.class.connection.execute('update articles set hits = hits + 1 where id = %d' % self.id.to_i) self.hits += 1 end end def self.hit(articles) ids = [] articles.each do |article| if !article.archived? ids << article.id article.hits += 1 end end Article.where(:id => ids).update_all('hits = hits + 1') if !ids.empty? end def can_display_hits? true end def display_hits? can_display_hits? && display_hits end def display_media_panel? can_display_media_panel? && environment.enabled?('media_panel') end def can_display_media_panel? false end settings_items :display_preview, :type => :boolean, :default => false def display_preview? false end def image? false end def event? false end def gallery? false end def folder? false end def blog? false end def forum? false end def uploaded_file? false end settings_items :display_versions, :type => :boolean, :default => false def can_display_versions? false end def display_versions? can_display_versions? && display_versions end def get_version(version_number = nil) if version_number then self.versions.order('version').offset(version_number - 1).first else self.versions.earliest end end def author_by_version(version_number = nil) return author unless version_number author_id = get_version(version_number).last_changed_by_id profile.environment.people.where(id: author_id).first end def author_name(version_number = nil) person = author_by_version(version_number) if version_number person ? person.name : _('Unknown') else person ? person.name : (setting[:author_name] || _('Unknown')) end end def author_url(version_number = nil) person = author_by_version(version_number) person ? person.url : nil end def author_id(version_number = nil) person = author_by_version(version_number) person ? person.id : nil end #FIXME make this test def author_custom_image(size = :icon) author ? author.profile_custom_image(size) : nil end def version_license(version_number = nil) return license if version_number.nil? profile.environment.licenses.find_by(id: get_version(version_number).license_id) end def cacheable? true end alias :active_record_cache_key :cache_key def cache_key(params = {}, the_profile = nil, language = 'en') active_record_cache_key+'-'+language + (allow_post_content?(the_profile) ? "-owner" : '') + (params[:npage] ? "-npage-#{params[:npage]}" : '') + (params[:year] ? "-year-#{params[:year]}" : '') + (params[:month] ? "-month-#{params[:month]}" : '') + (params[:version] ? "-version-#{params[:version]}" : '') end def invalidate_parent_cache self.parent.touch if self.parent self.environment.touch if self.profile == self.environment.portal_community end def automatic_abstract return '' if self.body.blank? or not self.body.is_a? String a = strip_tags self.body automatic_abstract_img = (first_image.present?) ? "<img src='" + first_image + "' class = 'automatic-abstract-thumb'>" : '' b = a.split[0...profile.environment.automatic_abstract_length].join(' ') c = a.split.join(' ') b = (b == c) ? b : b + " ..." b = automatic_abstract_img + b b.squish end def first_paragraph paragraphs = Nokogiri::HTML.fragment(to_html).css('p') paragraphs.empty? ? '' : paragraphs.first.to_html end def lead(length = nil) content = abstract.blank? ? automatic_abstract.html_safe : abstract.html_safe length.present? ? content.truncate(length) : content end def short_lead truncate sanitize_html(self.lead), :length => 170, :omission => '...' end def notifiable? false end def accept_uploads? self.parent && self.parent.accept_uploads? end def body_images_paths paths = Nokogiri::HTML.fragment(self.body.to_s).css('img[src]').collect do |i| src = i['src'] src = URI.escape src if self.new_record? # xss_terminate runs on save (self.profile && self.profile.environment) ? URI.join(self.profile.environment.top_url, src).to_s : src end paths.unshift(URI.join(self.profile.environment.top_url, self.image.public_filename).to_s) if self.image.present? paths end def more_comments_label amount = self.comments_count { 0 => _('no comments'), 1 => _('one comment') }[amount] || _("%s comments") % amount end def more_popular_label amount = self.hits { 0 => _('no views'), 1 => _('one view') }[amount] || _("%s views") % amount end def more_recent_label _('Created at: ') end def activity ActionTracker::Record.where(target_type: 'Article', target_id: self.id).first end def create_activity if notifiable? && !image? save_action_for_verb 'create_article', [:name, :url, :lead, :first_image], Proc.new{}, :author end end def first_image img = ( image.present? && { 'src' => File.join([Noosfero.root, image.public_filename].join) } ) || # automatic_abstract conflict, this leads to infinite loop #Nokogiri::HTML.fragment(self.lead.to_s).css('img[src]').first || Nokogiri::HTML.fragment(self.body.to_s).search('img').first img.nil? ? '' : img['src'] end delegate :lat, :lng, :region, :region_id, :environment, :environment_id, :to => :profile, :allow_nil => true def has_macro? true end def to_liquid HashWithIndifferentAccess.new :name => name, :abstract => abstract, :body => body, :id => id, :parent_id => parent_id, :author => author end def self.can_display_blocks? false end def editor?(editor) self.editor == editor end private def parent_archived? if self.parent_id_changed? && self.parent && self.parent.archived? errors.add(:parent_folder, N_('is archived!!')) end end def strip_tags(html) html.gsub(/<[^>]+>/, ' ').gsub(/\s+/, ' ') end end |