Created
June 13, 2019 06:22
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| # == Schema Information | |
| # | |
| # Table name: listing_posts | |
| # | |
| # id :integer not null, primary key | |
| # title :string(255) | |
| # content :text(65535) | |
| # published :boolean default(TRUE) | |
| # featured :boolean default(FALSE) | |
| # featured_order :integer | |
| # category_id :integer | |
| # listing_id :integer not null | |
| # created_at :datetime not null | |
| # updated_at :datetime not null | |
| # format :integer | |
| # account_id :integer | |
| # meta_title :string(255) | |
| # meta_description :string(255) | |
| # | |
| require_dependency 'base_model' | |
| module News | |
| class Post < ::BaseModel | |
| self.table_name = 'posts' | |
| include Notifiable | |
| enum format: [:standard, :image, :video, :audio] | |
| default_scope -> { order(created_at: :desc) } | |
| belongs_to :category, class_name: 'News::Category' | |
| belongs_to :author, class_name: 'Account', foreign_key: :account_id | |
| has_one :cover, class_name: 'News::Image' | |
| has_many :taggings, class_name: 'News::Tagging', dependent: :destroy | |
| has_many :tags, class_name: 'News::Tag', through: :taggings | |
| has_one :instant_article, class_name: 'Facebook::InstantArticle' | |
| scope :featured, -> { where(feature: true).reorder(feature_order: :desc) } | |
| scope :breakings, -> { where(breaking_news: true).reorder(breaking_news_order: :desc) } | |
| scope :published, -> { where(status: 0) } | |
| scope :unpublished, -> { where(status: 2) } | |
| scope :title_like, -> (query) { where('LOWER(title) LIKE LOWER(?)', "%#{query}%") } | |
| scope :by_category, -> (category_id) { where(category_id: category_id) } | |
| scope :by_status, -> (status) { where(status: status) } | |
| def self.search(query, params = {}) | |
| relation = all | |
| relation = relation.where("LOWER(posts.title) LIKE LOWER(?)", "%#{query}%") if query.present? | |
| relation = relation.by_category(params[:category_id]) if params[:category_id].present? | |
| relation = relation.by_status(params[:status]) if params[:status].present? | |
| relation | |
| end | |
| def self.related_with(post) | |
| if post.tags.present? | |
| News::Post.joins(:taggings).where(taggings: { tag_id: post.tag_ids}).where('posts.id != ?', post.id).order(created_at: :desc).uniq | |
| elsif post.category.present? | |
| return News::Post.where(category_id: post.category_id).where.not(id: post.id).order(created_at: :desc).uniq | |
| else | |
| [] | |
| end | |
| end | |
| def published? | |
| status == 0 | |
| end | |
| def instant_article? | |
| instant_article.present? | |
| end | |
| def instant_article_html_source | |
| doc = Nokogiri::HTML(self.content) | |
| doc.css('img').each do |img| | |
| figure = doc.create_element('figure') | |
| image = doc.create_element('img') | |
| image['src'] = "#{ENV['DOMAIN']}#{img.attributes['src'].value}" | |
| figure.children = image | |
| img.replace figure.to_html | |
| end | |
| doc.css('iframe').each do |frm| | |
| figure = doc.create_element('figure', class: 'op-interactive') | |
| iframe = doc.create_element('iframe') | |
| iframe['src'] = frm.attributes['src'].value | |
| iframe['width'] = frm.attributes['width'].value | |
| iframe['height'] = frm.attributes['height'].value | |
| figure.children = iframe | |
| frm.replace figure.to_html | |
| end | |
| doc.css('p').each do |p| | |
| if p.children.search('img').present? | |
| p.replace p.children.search('figure').to_html | |
| end | |
| if p.children.search('iframe').present? | |
| p.replace p.children.search('figure').to_html | |
| end | |
| end | |
| doc.css('b').find_all{|b| all_children_are_blank?(b) }.each do |b| | |
| b.remove | |
| end | |
| doc.css('p').find_all{|p| all_children_are_blank?(p) }.each do |p| | |
| p.remove | |
| end | |
| doc.search('body').children.to_html | |
| end | |
| def is_blank?(node) | |
| (node.text? && node.content.strip == '') || (node.element? && node.name == 'br') | |
| end | |
| def all_children_are_blank?(node) | |
| node.children.all?{|child| is_blank?(child) } | |
| end | |
| end | |
| end |
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