397ef313de
* Add tests and improve pagination and caching * Add two more specs * Add .with_video scope * Get rid of N+1 * Only select needed columns * Improve efficiency of the video page as well * Add missing set_cache_control_headers to API videos#index
663 lines
23 KiB
Ruby
663 lines
23 KiB
Ruby
class Article < ApplicationRecord
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include CloudinaryHelper
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include ActionView::Helpers
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include AlgoliaSearch
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include Storext.model
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include Reactable
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acts_as_taggable_on :tags
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resourcify
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attr_accessor :publish_under_org
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attr_writer :series
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delegate :name, to: :user, prefix: true
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delegate :username, to: :user, prefix: true
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belongs_to :user
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belongs_to :job_opportunity, optional: true
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belongs_to :organization, optional: true
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belongs_to :collection, optional: true, touch: true
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counter_culture :user
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counter_culture :organization
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has_many :comments, as: :commentable, inverse_of: :commentable
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has_many :profile_pins, as: :pinnable, inverse_of: :pinnable
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has_many :buffer_updates, dependent: :destroy
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has_many :notifications, as: :notifiable, inverse_of: :notifiable, dependent: :delete_all
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has_many :notification_subscriptions, as: :notifiable, inverse_of: :notifiable, dependent: :destroy
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has_many :rating_votes
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has_many :page_views
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validates :slug, presence: { if: :published? }, format: /\A[0-9a-z\-_]*\z/,
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uniqueness: { scope: :user_id }
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validates :title, presence: true,
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length: { maximum: 128 }
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validates :user_id, presence: true
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validates :feed_source_url, uniqueness: { allow_blank: true }
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validates :canonical_url,
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url: { allow_blank: true, no_local: true, schemes: %w[https http] },
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uniqueness: { allow_blank: true }
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validates :body_markdown, uniqueness: { scope: %i[user_id title] }
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validate :validate_tag
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validate :validate_video
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validate :validate_collection_permission
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validate :validate_liquid_tag_permissions
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validate :past_or_present_date
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validates :video_state, inclusion: { in: %w[PROGRESSING COMPLETED] }, allow_nil: true
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validates :cached_tag_list, length: { maximum: 126 }
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validates :main_image, url: { allow_blank: true, schemes: %w[https http] }
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validates :main_image_background_hex_color, format: /\A#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})\z/
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validates :video, url: { allow_blank: true, schemes: %w[https http] }
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validates :video_source_url, url: { allow_blank: true, schemes: ["https"] }
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validates :video_thumbnail_url, url: { allow_blank: true, schemes: %w[https http] }
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validates :video_closed_caption_track_url, url: { allow_blank: true, schemes: ["https"] }
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validates :video_source_url, url: { allow_blank: true, schemes: ["https"] }
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before_validation :evaluate_markdown
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before_validation :create_slug
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before_create :create_password
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before_save :set_all_dates
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before_save :calculate_base_scores
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before_save :set_caches
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before_save :fetch_video_duration
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before_save :clean_data
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after_save :async_score_calc, if: :published
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after_save :bust_cache
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after_save :update_main_image_background_hex
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after_save :detect_human_language
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before_save :update_cached_user
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after_update :update_notifications, if: proc { |article| article.notifications.any? && !article.saved_changes.empty? }
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before_destroy :before_destroy_actions, prepend: true
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serialize :ids_for_suggested_articles
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serialize :cached_user
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serialize :cached_organization
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scope :published, -> { where(published: true) }
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scope :unpublished, -> { where(published: false) }
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scope :cached_tagged_with, ->(tag) { where("cached_tag_list ~* ?", "^#{tag},| #{tag},|, #{tag}$|^#{tag}$") }
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scope :active_help, lambda {
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published.
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cached_tagged_with("help").
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order("created_at DESC").
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where("published_at > ? AND comments_count < ? AND score > ?", 12.hours.ago, 6, -4)
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}
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scope :limited_column_select, lambda {
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select(:path, :title, :id, :published,
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:comments_count, :positive_reactions_count, :cached_tag_list,
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:main_image, :main_image_background_hex_color, :updated_at, :slug,
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:video, :user_id, :organization_id, :video_source_url, :video_code,
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:video_thumbnail_url, :video_closed_caption_track_url, :language,
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:experience_level_rating, :experience_level_rating_distribution, :cached_user, :cached_organization,
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:published_at, :crossposted_at, :boost_states, :description, :reading_time, :video_duration_in_seconds)
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}
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scope :limited_columns_internal_select, lambda {
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select(:path, :title, :id, :featured, :approved, :published,
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:comments_count, :positive_reactions_count, :cached_tag_list,
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:main_image, :main_image_background_hex_color, :updated_at, :boost_states,
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:video, :user_id, :organization_id, :video_source_url, :video_code,
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:video_thumbnail_url, :video_closed_caption_track_url, :social_image,
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:published_from_feed, :crossposted_at, :published_at, :featured_number,
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:live_now, :last_buffered, :facebook_last_buffered, :created_at, :body_markdown,
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:email_digest_eligible, :processed_html)
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}
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scope :boosted_via_additional_articles, lambda {
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where("boost_states ->> 'boosted_additional_articles' = 'true'")
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}
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scope :boosted_via_dev_digest_email, lambda {
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where("boost_states ->> 'boosted_dev_digest_email' = 'true'")
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}
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scope :sorting, lambda { |value|
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value ||= "creation-desc"
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kind, dir = value.split("-")
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dir = "desc" unless %w[asc desc].include?(dir)
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column =
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case kind
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when "creation" then :created_at
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when "views" then :page_views_count
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when "reactions" then :positive_reactions_count
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when "comments" then :comments_count
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when "published" then :published_at
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else
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:created_at
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end
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order(column => dir.to_sym)
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}
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scope :feed, -> { published.select(:id, :published_at, :processed_html, :user_id, :organization_id, :title, :path) }
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scope :with_video, -> { published.where.not(video: [nil, ""], video_thumbnail_url: [nil, ""]).where("score > ?", -4) }
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algoliasearch per_environment: true, auto_remove: false, enqueue: :trigger_index do
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attribute :title
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add_index "searchables", id: :index_id, per_environment: true, enqueue: :trigger_index do
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attributes :title, :tag_list, :main_image, :id, :reading_time, :score,
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:featured, :published, :published_at, :featured_number,
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:comments_count, :reactions_count, :positive_reactions_count,
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:path, :class_name, :user_name, :user_username, :comments_blob,
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:body_text, :tag_keywords_for_search, :search_score, :readable_publish_date, :flare_tag
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attribute :user do
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{ username: user.username, name: user.name,
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profile_image_90: ProfileImage.new(user).get(90), pro: user.pro? }
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end
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tags do
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[tag_list,
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"user_#{user_id}",
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"username_#{user&.username}",
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"lang_#{language || 'en'}",
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("organization_#{organization_id}" if organization)].flatten.compact
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end
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searchableAttributes ["unordered(title)",
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"body_text",
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"tag_list",
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"tag_keywords_for_search",
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"user_name",
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"user_username",
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"comments_blob"]
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attributesForFaceting [:class_name]
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customRanking ["desc(search_score)", "desc(hotness_score)"]
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end
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add_index "ordered_articles", id: :index_id, per_environment: true, enqueue: :trigger_index do
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attributes :title, :path, :class_name, :comments_count, :reading_time, :language,
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:tag_list, :positive_reactions_count, :id, :hotness_score, :score, :readable_publish_date, :flare_tag, :user_id,
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:organization_id, :cloudinary_video_url, :video_duration_in_minutes, :experience_level_rating, :experience_level_rating_distribution
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attribute :published_at_int do
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published_at.to_i
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end
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attribute :user do
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{ username: user.username,
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name: user.name,
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profile_image_90: ProfileImage.new(user).get(90) }
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end
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attribute :organization do
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if organization
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{ slug: organization.slug,
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name: organization.name,
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profile_image_90: ProfileImage.new(organization).get(90) }
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end
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end
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tags do
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[tag_list,
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"user_#{user_id}",
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"username_#{user&.username}",
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"lang_#{language || 'en'}",
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("organization_#{organization_id}" if organization)].flatten.compact
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end
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ranking ["desc(hotness_score)"]
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add_replica "ordered_articles_by_positive_reactions_count", inherit: true, per_environment: true do
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ranking ["desc(positive_reactions_count)"]
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end
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add_replica "ordered_articles_by_published_at", inherit: true, per_environment: true do
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ranking ["desc(published_at_int)"]
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end
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end
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end
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store_attributes :boost_states do
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boosted_additional_articles Boolean, default: false
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boosted_dev_digest_email Boolean, default: false
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boosted_additional_tags String, default: ""
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end
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def self.active_threads(tags = ["discuss"], time_ago = nil, number = 10)
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stories = published.limit(number)
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stories = if time_ago == "latest"
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stories.order("published_at DESC").where("score > ?", -5)
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elsif time_ago
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stories.order("comments_count DESC").
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where("published_at > ? AND score > ?", time_ago, -5)
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else
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stories.order("last_comment_at DESC").
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where("published_at > ? AND score > ?", (tags.present? ? 5 : 2).days.ago, -5)
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end
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stories = tags.size == 1 ? stories.cached_tagged_with(tags.first) : stories.tagged_with(tags)
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stories.pluck(:path, :title, :comments_count, :created_at)
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end
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def self.active_eli5(time_ago)
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stories = published.cached_tagged_with("explainlikeimfive")
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stories = if time_ago == "latest"
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stories.order("published_at DESC").limit(3)
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elsif time_ago
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stories.order("comments_count DESC").
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where("published_at > ?", time_ago).
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limit(6)
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else
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stories.order("last_comment_at DESC").
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where("published_at > ?", 5.days.ago).
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limit(3)
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end
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stories.pluck(:path, :title, :comments_count, :created_at)
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end
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def self.seo_boostable(tag = nil, time_ago = 18.days.ago)
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time_ago = 5.days.ago if time_ago == "latest" # Time ago sometimes returns this phrase instead of a date
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time_ago = 75.days.ago if time_ago.nil? # Time ago sometimes is given as nil and should then be the default. I know, sloppy.
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relation = Article.published.
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order(organic_page_views_past_month_count: :desc).
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where("score > ?", 8).
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where("published_at > ?", time_ago).
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limit(25)
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fields = %i[path title comments_count created_at]
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if tag
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relation.cached_tagged_with(tag).pluck(*fields)
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else
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relation.pluck(*fields)
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end
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end
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def self.trigger_index(record, remove)
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# on destroy an article is removed from index in a before_destroy callback #before_destroy_actions
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return if remove
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if record.published && record.tag_list.exclude?("hiring")
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Search::IndexWorker.perform_async("Article", record.id)
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else
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Search::RemoveFromIndexWorker.perform_async(Article.algolia_index_name, record.id)
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Search::RemoveFromIndexWorker.perform_async("searchables_#{Rails.env}", record.index_id)
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Search::RemoveFromIndexWorker.perform_async("ordered_articles_#{Rails.env}", record.index_id)
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end
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end
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def processed_description
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text_portion = body_text.present? ? body_text[0..100].tr("\n", " ").strip.to_s : ""
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text_portion = text_portion.strip + "..." if body_text.size > 100
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return "A post by #{user.name}" if text_portion.blank?
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text_portion.strip
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end
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def body_text
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ActionView::Base.full_sanitizer.sanitize(processed_html)[0..7000]
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end
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def remove_algolia_index
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remove_from_index!
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delete_related_objects
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end
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def touch_by_reaction
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async_score_calc
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index!
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end
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def comments_blob
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return "" if comments_count.zero?
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ActionView::Base.full_sanitizer.sanitize(comments.pluck(:body_markdown).join(" "))[0..2200]
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end
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def username
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return organization.slug if organization
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user.username
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end
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def current_state_path
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published ? "/#{username}/#{slug}" : "/#{username}/#{slug}?preview=#{password}"
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end
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def has_frontmatter?
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fixed_body_markdown = MarkdownFixer.fix_all(body_markdown)
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begin
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parsed = FrontMatterParser::Parser.new(:md).call(fixed_body_markdown)
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parsed.front_matter["title"].present?
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rescue Psych::SyntaxError
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# if frontmatter is invalid, still render editor with errors instead of 500ing
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true
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end
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end
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def class_name
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self.class.name
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end
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def flare_tag
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@flare_tag ||= FlareTag.new(self).tag_hash
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end
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def edited?
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edited_at.present?
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end
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def readable_edit_date
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return unless edited?
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if edited_at.year == Time.current.year
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edited_at.strftime("%b %e")
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else
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edited_at.strftime("%b %e '%y")
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end
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end
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def readable_publish_date
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relevant_date = crossposted_at.presence || published_at
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if relevant_date && relevant_date.year == Time.current.year
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relevant_date&.strftime("%b %e")
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else
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relevant_date&.strftime("%b %e '%y")
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end
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end
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def published_timestamp
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return "" unless published
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return "" unless crossposted_at || published_at
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(crossposted_at || published_at).utc.iso8601
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end
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def series
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# name of series article is part of
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collection&.slug
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end
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def all_series
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# all series names
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user&.collections&.pluck(:slug)
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end
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def cloudinary_video_url
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return if video_thumbnail_url.blank?
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ApplicationController.helpers.cloudinary(video_thumbnail_url, 880)
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end
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def video_duration_in_minutes
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minutes = (video_duration_in_seconds.to_i / 60) % 60
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seconds = video_duration_in_seconds.to_i % 60
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seconds = "0#{seconds}" if seconds.to_s.size == 1
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hours = (video_duration_in_seconds.to_i / 3600)
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minutes = "0#{minutes}" if hours.positive? && minutes < 10
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hours < 1 ? "#{minutes}:#{seconds}" : "#{hours}:#{minutes}:#{seconds}"
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end
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# keep public because it's used in algolia jobs
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def index_id
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"articles-#{id}"
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end
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private
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def delete_related_objects
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Search::RemoveFromIndexWorker.new.perform("searchables_#{Rails.env}", index_id)
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Search::RemoveFromIndexWorker.new.perform("ordered_articles_#{Rails.env}", index_id)
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end
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def search_score
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calculated_score = hotness_score.to_i + ((comments_count * 3).to_i + positive_reactions_count.to_i * 300 * user.reputation_modifier * score.to_i)
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calculated_score.to_i
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end
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def tag_keywords_for_search
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tags.pluck(:keywords_for_search).join
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end
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def calculated_path
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if organization
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"/#{organization.slug}/#{slug}"
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else
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"/#{username}/#{slug}"
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end
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end
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def set_caches
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return unless user
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self.cached_user_name = user_name
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self.cached_user_username = user_username
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self.path = calculated_path
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end
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def evaluate_markdown
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fixed_body_markdown = MarkdownFixer.fix_all(body_markdown || "")
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parsed = FrontMatterParser::Parser.new(:md).call(fixed_body_markdown)
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parsed_markdown = MarkdownParser.new(parsed.content)
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self.reading_time = parsed_markdown.calculate_reading_time
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self.processed_html = parsed_markdown.finalize
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evaluate_front_matter(parsed.front_matter)
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self.description = processed_description if description.blank?
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rescue StandardError => e
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errors[:base] << ErrorMessageCleaner.new(e.message).clean
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end
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def update_main_image_background_hex
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return if main_image.blank? || main_image_background_hex_color != "#dddddd"
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Articles::UpdateMainImageBackgroundHexJob.perform_later(id)
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end
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def detect_human_language
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return if language.present?
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Articles::DetectHumanLanguageJob.perform_later(id)
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end
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def async_score_calc
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Articles::ScoreCalcJob.perform_later(id)
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end
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def fetch_video_duration
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if video.present? && video_duration_in_seconds.zero?
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url = video_source_url.gsub(".m3u8", "1351620000001-200015_hls_v4.m3u8")
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duration = 0
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HTTParty.get(url).body.split("#EXTINF:").each do |chunk|
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duration += chunk.split(",")[0].to_f
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end
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self.video_duration_in_seconds = duration
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duration
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end
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rescue StandardError => e
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Rails.logger.error(e)
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end
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def liquid_tags_used
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MarkdownParser.new(body_markdown.to_s + comments_blob.to_s).tags_used
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rescue StandardError
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[]
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end
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def update_notifications
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Notification.update_notifications(self, "Published")
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end
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def before_destroy_actions
|
|
bust_cache
|
|
remove_algolia_index
|
|
article_ids = user.article_ids.dup
|
|
if organization
|
|
organization.touch(:last_article_at)
|
|
article_ids.concat organization.article_ids
|
|
end
|
|
# perform busting cache in chunks in case there're a lot of articles
|
|
(article_ids.uniq.sort - [id]).each_slice(10) do |ids|
|
|
Articles::BustMultipleCachesWorker.perform_async(ids)
|
|
end
|
|
end
|
|
|
|
def evaluate_front_matter(front_matter)
|
|
self.title = front_matter["title"] if front_matter["title"].present?
|
|
if front_matter["tags"].present?
|
|
ActsAsTaggableOn::Taggable::Cache.included(Article)
|
|
self.tag_list = [] # overwrite any existing tag with those from the front matter
|
|
tag_list.add(front_matter["tags"], parser: ActsAsTaggableOn::TagParser)
|
|
remove_tag_adjustments_from_tag_list
|
|
add_tag_adjustments_to_tag_list
|
|
end
|
|
self.published = front_matter["published"] if %w[true false].include?(front_matter["published"].to_s)
|
|
self.published_at = parse_date(front_matter["date"]) if published
|
|
self.main_image = front_matter["cover_image"] if front_matter["cover_image"].present?
|
|
self.canonical_url = front_matter["canonical_url"] if front_matter["canonical_url"].present?
|
|
self.description = front_matter["description"] if front_matter["description"].present? || front_matter["title"].present? # Do this if frontmatte exists at all
|
|
self.collection_id = nil if front_matter["title"].present?
|
|
self.collection_id = Collection.find_series(front_matter["series"], user).id if front_matter["series"].present?
|
|
self.automatically_renew = front_matter["automatically_renew"] if front_matter["automatically_renew"].present? && tag_list.include?("hiring")
|
|
end
|
|
|
|
def parse_date(date)
|
|
# once published_at exist, it can not be adjusted
|
|
published_at || date || Time.current
|
|
end
|
|
|
|
def validate_tag
|
|
# remove adjusted tags
|
|
remove_tag_adjustments_from_tag_list
|
|
add_tag_adjustments_to_tag_list
|
|
|
|
# check there are not too many tags
|
|
return errors.add(:tag_list, "exceed the maximum of 4 tags") if tag_list.size > 4
|
|
|
|
# check tags names aren't too long and don't contain non alphabet characters
|
|
tag_list.each do |tag|
|
|
new_tag = Tag.new(name: tag)
|
|
new_tag.validate_name
|
|
new_tag.errors.messages[:name].each { |message| errors.add(:tag, "\"#{tag}\" #{message}") }
|
|
end
|
|
end
|
|
|
|
def remove_tag_adjustments_from_tag_list
|
|
tags_to_remove = TagAdjustment.where(article_id: id, adjustment_type: "removal", status: "committed").pluck(:tag_name)
|
|
tag_list.remove(tags_to_remove, parser: ActsAsTaggableOn::TagParser) if tags_to_remove
|
|
end
|
|
|
|
def add_tag_adjustments_to_tag_list
|
|
tags_to_add = TagAdjustment.where(article_id: id, adjustment_type: "addition", status: "committed").pluck(:tag_name)
|
|
tag_list.add(tags_to_add, parser: ActsAsTaggableOn::TagParser) if tags_to_add
|
|
end
|
|
|
|
def validate_video
|
|
return errors.add(:published, "cannot be set to true if video is still processing") if published && video_state == "PROGRESSING"
|
|
return errors.add(:video, "cannot be added by member without permission") if video.present? && user.created_at > 2.weeks.ago
|
|
end
|
|
|
|
def validate_collection_permission
|
|
errors.add(:collection_id, "must be one you have permission to post to") if collection && collection.user_id != user_id
|
|
end
|
|
|
|
def past_or_present_date
|
|
if published_at && published_at > Time.current
|
|
errors.add(:date_time, "must be entered in DD/MM/YYYY format with current or past date")
|
|
end
|
|
end
|
|
|
|
# Admin only beta tags etc.
|
|
def validate_liquid_tag_permissions
|
|
errors.add(:body_markdown, "must only use permitted tags") if liquid_tags_used.include?(PollTag) && !(user.has_role?(:super_admin) || user.has_role?(:admin))
|
|
end
|
|
|
|
def create_slug
|
|
if slug.blank? && title.present? && !published
|
|
self.slug = title_to_slug + "-temp-slug-#{rand(10_000_000)}"
|
|
elsif should_generate_final_slug?
|
|
self.slug = title_to_slug
|
|
end
|
|
end
|
|
|
|
def should_generate_final_slug?
|
|
(title && published && slug.blank?) ||
|
|
(title && published && slug.include?("-temp-slug-"))
|
|
end
|
|
|
|
def create_password
|
|
return if password.present?
|
|
|
|
self.password = SecureRandom.hex(60)
|
|
end
|
|
|
|
def update_cached_user
|
|
if organization
|
|
self.cached_organization = OpenStruct.new(set_cached_object(organization))
|
|
end
|
|
|
|
if user
|
|
self.cached_user = OpenStruct.new(set_cached_object(user))
|
|
end
|
|
end
|
|
|
|
def set_cached_object(object)
|
|
{
|
|
name: object.name,
|
|
username: object.username,
|
|
slug: object == organization ? object.slug : object.username,
|
|
profile_image_90: object.profile_image_90,
|
|
profile_image_url: object.profile_image_url,
|
|
pro: object == user ? user.pro? : false # organizations can't be pro users
|
|
}
|
|
end
|
|
|
|
def set_all_dates
|
|
set_published_date
|
|
set_featured_number
|
|
set_crossposted_at
|
|
set_last_comment_at
|
|
set_nth_published_at
|
|
end
|
|
|
|
def set_published_date
|
|
self.published_at = Time.current if published && published_at.blank?
|
|
end
|
|
|
|
def set_featured_number
|
|
self.featured_number = Time.current.to_i if featured_number.blank? && published
|
|
end
|
|
|
|
def set_crossposted_at
|
|
self.crossposted_at = Time.current if published && crossposted_at.blank? && published_from_feed
|
|
end
|
|
|
|
def set_last_comment_at
|
|
return unless published_at.present? && last_comment_at == "Sun, 01 Jan 2017 05:00:00 UTC +00:00"
|
|
|
|
self.last_comment_at = published_at
|
|
user.touch(:last_article_at)
|
|
organization&.touch(:last_article_at)
|
|
end
|
|
|
|
def set_nth_published_at
|
|
published_article_ids = user.articles.published.order("published_at ASC").pluck(:id)
|
|
index = published_article_ids.index(id)
|
|
self.nth_published_by_author = (index || published_article_ids.size) + 1 if nth_published_by_author.zero? && published
|
|
end
|
|
|
|
def title_to_slug
|
|
title.to_s.downcase.parameterize.tr("_", "") + "-" + rand(100_000).to_s(26)
|
|
end
|
|
|
|
def clean_data
|
|
self.canonical_url = nil if canonical_url == ""
|
|
end
|
|
|
|
def bust_cache
|
|
return unless Rails.env.production?
|
|
|
|
CacheBuster.bust(path)
|
|
CacheBuster.bust("#{path}?i=i")
|
|
CacheBuster.bust("#{path}?preview=#{password}")
|
|
async_bust
|
|
end
|
|
|
|
def calculate_base_scores
|
|
self.hotness_score = 1000 if hotness_score.blank?
|
|
self.spaminess_rating = 0 if new_record?
|
|
end
|
|
|
|
def async_bust
|
|
Articles::BustCacheWorker.perform_async(id)
|
|
end
|
|
end
|