904 lines
29 KiB
Ruby
904 lines
29 KiB
Ruby
require_dependency 'slug'
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require_dependency 'avatar_lookup'
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require_dependency 'topic_view'
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require_dependency 'rate_limiter'
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require_dependency 'text_sentinel'
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require_dependency 'text_cleaner'
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require_dependency 'archetype'
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class Topic < ActiveRecord::Base
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include ActionView::Helpers::SanitizeHelper
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include RateLimiter::OnCreateRecord
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include HasCustomFields
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include Trashable
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extend Forwardable
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def_delegator :featured_users, :user_ids, :featured_user_ids
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def_delegator :featured_users, :choose, :feature_topic_users
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def_delegator :notifier, :watch!, :notify_watch!
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def_delegator :notifier, :tracking!, :notify_tracking!
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def_delegator :notifier, :regular!, :notify_regular!
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def_delegator :notifier, :muted!, :notify_muted!
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def_delegator :notifier, :toggle_mute, :toggle_mute
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attr_accessor :allowed_user_ids
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def self.max_sort_order
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2**31 - 1
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end
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def featured_users
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@featured_users ||= TopicFeaturedUsers.new(self)
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end
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def trash!(trashed_by=nil)
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update_category_topic_count_by(-1) if deleted_at.nil?
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super(trashed_by)
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update_flagged_posts_count
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end
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def recover!
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update_category_topic_count_by(1) unless deleted_at.nil?
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super
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update_flagged_posts_count
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end
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rate_limit :default_rate_limiter
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rate_limit :limit_topics_per_day
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rate_limit :limit_private_messages_per_day
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validates :title, :if => Proc.new { |t| t.new_record? || t.title_changed? },
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:presence => true,
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:topic_title_length => true,
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:quality_title => { :unless => :private_message? },
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:unique_among => { :unless => Proc.new { |t| (SiteSetting.allow_duplicate_topic_titles? || t.private_message?) },
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:message => :has_already_been_used,
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:allow_blank => true,
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:case_sensitive => false,
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:collection => Proc.new{ Topic.listable_topics } }
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validates :category_id,
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:presence => true,
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:exclusion => {
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:in => Proc.new{[SiteSetting.uncategorized_category_id]}
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},
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:if => Proc.new { |t|
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(t.new_record? || t.category_id_changed?) &&
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!SiteSetting.allow_uncategorized_topics &&
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(t.archetype.nil? || t.archetype == Archetype.default) &&
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(!t.user_id || !t.user.staff?)
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}
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before_validation do
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self.title = TextCleaner.clean_title(TextSentinel.title_sentinel(title).text) if errors[:title].empty?
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end
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belongs_to :category
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has_many :posts
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has_many :ordered_posts, -> { order(post_number: :asc) }, class_name: "Post"
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has_many :topic_allowed_users
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has_many :topic_allowed_groups
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has_many :allowed_group_users, through: :allowed_groups, source: :users
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has_many :allowed_groups, through: :topic_allowed_groups, source: :group
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has_many :allowed_users, through: :topic_allowed_users, source: :user
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has_one :top_topic
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belongs_to :user
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belongs_to :last_poster, class_name: 'User', foreign_key: :last_post_user_id
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belongs_to :featured_user1, class_name: 'User', foreign_key: :featured_user1_id
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belongs_to :featured_user2, class_name: 'User', foreign_key: :featured_user2_id
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belongs_to :featured_user3, class_name: 'User', foreign_key: :featured_user3_id
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belongs_to :featured_user4, class_name: 'User', foreign_key: :featured_user4_id
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belongs_to :auto_close_user, class_name: 'User', foreign_key: :auto_close_user_id
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has_many :topic_users
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has_many :topic_links
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has_many :topic_invites
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has_many :invites, through: :topic_invites, source: :invite
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has_many :revisions, foreign_key: :topic_id, class_name: 'TopicRevision'
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# When we want to temporarily attach some data to a forum topic (usually before serialization)
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attr_accessor :user_data
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attr_accessor :posters # TODO: can replace with posters_summary once we remove old list code
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attr_accessor :participants
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attr_accessor :topic_list
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attr_accessor :meta_data
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attr_accessor :include_last_poster
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attr_accessor :import_mode # set to true to optimize creation and save for imports
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# The regular order
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scope :topic_list_order, -> { order('topics.bumped_at desc') }
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# Return private message topics
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scope :private_messages, -> { where(archetype: Archetype.private_message) }
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scope :listable_topics, -> { where('topics.archetype <> ?', [Archetype.private_message]) }
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scope :by_newest, -> { order('topics.created_at desc, topics.id desc') }
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scope :visible, -> { where(visible: true) }
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scope :created_since, lambda { |time_ago| where('created_at > ?', time_ago) }
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scope :secured, lambda { |guardian=nil|
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ids = guardian.secure_category_ids if guardian
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# Query conditions
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condition = if ids.present?
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["NOT c.read_restricted or c.id in (:cats)", cats: ids]
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else
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["NOT c.read_restricted"]
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end
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where("category_id IS NULL OR category_id IN (
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SELECT c.id FROM categories c
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WHERE #{condition[0]})", condition[1])
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}
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# Helps us limit how many topics can be starred in a day
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class StarLimiter < RateLimiter
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def initialize(user)
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super(user, "starred:#{Date.today}", SiteSetting.max_stars_per_day, 1.day.to_i)
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end
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end
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before_create do
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self.bumped_at ||= Time.now
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self.last_post_user_id ||= user_id
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if !@ignore_category_auto_close and self.category and self.category.auto_close_hours and self.auto_close_at.nil?
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set_auto_close(self.category.auto_close_hours)
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end
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end
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attr_accessor :skip_callbacks
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after_create do
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unless skip_callbacks
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changed_to_category(category)
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if archetype == Archetype.private_message
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DraftSequence.next!(user, Draft::NEW_PRIVATE_MESSAGE)
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else
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DraftSequence.next!(user, Draft::NEW_TOPIC)
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end
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end
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end
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before_save do
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unless skip_callbacks
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if (auto_close_at_changed? and !auto_close_at_was.nil?) or (auto_close_user_id_changed? and auto_close_at)
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self.auto_close_started_at ||= Time.zone.now if auto_close_at
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Jobs.cancel_scheduled_job(:close_topic, {topic_id: id})
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true
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end
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if category_id.nil? && (archetype.nil? || archetype == Archetype.default)
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self.category_id = SiteSetting.uncategorized_category_id
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end
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end
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end
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after_save do
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save_revision if should_create_new_version?
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unless skip_callbacks
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if auto_close_at and (auto_close_at_changed? or auto_close_user_id_changed?)
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Jobs.enqueue_at(auto_close_at, :close_topic, {topic_id: id, user_id: auto_close_user_id || user_id})
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end
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end
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end
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# TODO move into PostRevisor or TopicRevisor
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def save_revision
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if first_post_id = posts.where(post_number: 1).pluck(:id).first
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number = PostRevision.where(post_id: first_post_id).count + 2
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PostRevision.create!(
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user_id: acting_user.id,
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post_id: first_post_id,
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number: number,
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modifications: changes.extract!(:category_id, :title)
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)
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Post.where(id: first_post_id).update_all(version: number)
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end
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end
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def should_create_new_version?
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!new_record? && (category_id_changed? || title_changed?)
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end
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def self.top_viewed(max = 10)
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Topic.listable_topics.visible.secured.order('views desc').limit(max)
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end
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def self.recent(max = 10)
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Topic.listable_topics.visible.secured.order('created_at desc').limit(max)
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end
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def self.count_exceeds_minimum?
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count > SiteSetting.minimum_topics_similar
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end
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def best_post
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posts.order('score desc').limit(1).first
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end
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# all users (in groups or directly targetted) that are going to get the pm
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def all_allowed_users
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# TODO we should probably change this from 3 queries to 1
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User.where('id in (?)', allowed_users.select('users.id').to_a + allowed_group_users.select('users.id').to_a)
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end
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# Additional rate limits on topics: per day and private messages per day
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def limit_topics_per_day
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apply_per_day_rate_limit_for("topics", :max_topics_per_day)
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limit_first_day_topics_per_day if user.added_a_day_ago?
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end
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def limit_private_messages_per_day
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return unless private_message?
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apply_per_day_rate_limit_for("pms", :max_private_messages_per_day)
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end
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def fancy_title
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sanitized_title = title.gsub(/['&\"<>]/, {
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"'" => ''',
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'&' => '&',
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'"' => '"',
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'<' => '<',
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'>' => '>',
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})
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return unless sanitized_title
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return sanitized_title unless SiteSetting.title_fancy_entities?
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# We don't always have to require this, if fancy is disabled
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# see: http://meta.discourse.org/t/pattern-for-defer-loading-gems-and-profiling-with-perftools-rb/4629
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require 'redcarpet' unless defined? Redcarpet
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Redcarpet::Render::SmartyPants.render(sanitized_title)
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end
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def new_version_required?
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title_changed? || category_id_changed?
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end
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# Returns hot topics since a date for display in email digest.
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def self.for_digest(user, since, opts=nil)
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opts = opts || {}
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score = "#{ListController.best_period_for(since)}_score"
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topics = Topic
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.visible
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.secured(Guardian.new(user))
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.joins("LEFT OUTER JOIN topic_users ON topic_users.topic_id = topics.id AND topic_users.user_id = #{user.id.to_i}")
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.where(closed: false, archived: false)
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.where("COALESCE(topic_users.notification_level, 1) <> ?", TopicUser.notification_levels[:muted])
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.created_since(since)
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.listable_topics
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.includes(:category)
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if !!opts[:top_order]
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topics = topics.joins("LEFT OUTER JOIN top_topics ON top_topics.topic_id = topics.id")
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.order(TopicQuerySQL.order_top_for(score))
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end
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if opts[:limit]
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topics = topics.limit(opts[:limit])
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end
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# Remove category topics
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category_topic_ids = Category.pluck(:topic_id).compact!
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if category_topic_ids.present?
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topics = topics.where("topics.id NOT IN (?)", category_topic_ids)
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end
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# Remove muted categories
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muted_category_ids = CategoryUser.where(user_id: user.id, notification_level: CategoryUser.notification_levels[:muted]).pluck(:category_id)
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if muted_category_ids.present?
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topics = topics.where("topics.category_id NOT IN (?)", muted_category_ids)
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end
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topics
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end
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# Using the digest query, figure out what's new for a user since last seen
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def self.new_since_last_seen(user, since, featured_topic_ids)
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topics = Topic.for_digest(user, since)
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topics.where("topics.id NOT IN (?)", featured_topic_ids)
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end
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def meta_data=(data)
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custom_fields.replace(data)
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end
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def meta_data
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custom_fields
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end
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def update_meta_data(data)
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custom_fields.update(data)
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save
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end
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def reload(options=nil)
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@post_numbers = nil
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super(options)
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end
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def post_numbers
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@post_numbers ||= posts.order(:post_number).pluck(:post_number)
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end
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def age_in_minutes
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((Time.zone.now - created_at) / 1.minute).round
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end
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def has_meta_data_boolean?(key)
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meta_data_string(key) == 'true'
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end
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def meta_data_string(key)
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custom_fields[key.to_s]
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end
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def self.listable_count_per_day(sinceDaysAgo=30)
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listable_topics.where('created_at > ?', sinceDaysAgo.days.ago).group('date(created_at)').order('date(created_at)').count
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end
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def private_message?
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archetype == Archetype.private_message
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end
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MAX_SIMILAR_BODY_LENGTH = 200
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# Search for similar topics
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def self.similar_to(title, raw, user=nil)
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return [] unless title.present?
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return [] unless raw.present?
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filter_words = Search.prepare_data(title + " " + raw[0...MAX_SIMILAR_BODY_LENGTH]);
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ts_query = Search.ts_query(filter_words, nil, "|")
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# Exclude category definitions from similar topic suggestions
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candidates = Topic.visible
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.secured(Guardian.new(user))
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.listable_topics
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.joins('JOIN topic_search_data s ON topics.id = s.topic_id')
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.where("search_data @@ #{ts_query}")
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.order("ts_rank(search_data, #{ts_query}) DESC")
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.limit(SiteSetting.max_similar_results * 3)
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exclude_topic_ids = Category.pluck(:topic_id).compact!
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if exclude_topic_ids.present?
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candidates = candidates.where("topics.id NOT IN (?)", exclude_topic_ids)
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end
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candidate_ids = candidates.pluck(:id)
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return [] unless candidate_ids.present?
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similar = Topic.select(sanitize_sql_array(["topics.*, similarity(topics.title, :title) + similarity(topics.title, :raw) AS similarity", title: title, raw: raw]))
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.joins("JOIN posts AS p ON p.topic_id = topics.id AND p.post_number = 1")
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.limit(SiteSetting.max_similar_results)
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.where("topics.id IN (?)", candidate_ids)
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.where("similarity(topics.title, :title) + similarity(topics.title, :raw) > 0.2", raw: raw, title: title)
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.order('similarity desc')
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similar
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end
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def update_status(status, enabled, user)
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TopicStatusUpdate.new(self, user).update! status, enabled
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end
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# Atomically creates the next post number
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def self.next_post_number(topic_id, reply = false)
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highest = exec_sql("select coalesce(max(post_number),0) as max from posts where topic_id = ?", topic_id).first['max'].to_i
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reply_sql = reply ? ", reply_count = reply_count + 1" : ""
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result = exec_sql("UPDATE topics SET highest_post_number = ? + 1#{reply_sql}
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WHERE id = ? RETURNING highest_post_number", highest, topic_id)
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result.first['highest_post_number'].to_i
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end
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# If a post is deleted we have to update our highest post counters
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def self.reset_highest(topic_id)
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result = exec_sql "UPDATE topics
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SET highest_post_number = (SELECT COALESCE(MAX(post_number), 0) FROM posts WHERE topic_id = :topic_id AND deleted_at IS NULL),
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posts_count = (SELECT count(*) FROM posts WHERE deleted_at IS NULL AND topic_id = :topic_id),
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last_posted_at = (SELECT MAX(created_at) FROM POSTS WHERE topic_id = :topic_id AND deleted_at IS NULL)
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WHERE id = :topic_id
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RETURNING highest_post_number", topic_id: topic_id
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highest_post_number = result.first['highest_post_number'].to_i
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# Update the forum topic user records
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exec_sql "UPDATE topic_users
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SET last_read_post_number = CASE
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WHEN last_read_post_number > :highest THEN :highest
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ELSE last_read_post_number
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END,
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seen_post_count = CASE
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WHEN seen_post_count > :highest THEN :highest
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ELSE seen_post_count
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END
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WHERE topic_id = :topic_id",
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highest: highest_post_number,
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topic_id: topic_id
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end
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# This calculates the geometric mean of the posts and stores it with the topic
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def self.calculate_avg_time(min_topic_age=nil)
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builder = SqlBuilder.new("UPDATE topics
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SET avg_time = x.gmean
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FROM (SELECT topic_id,
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round(exp(avg(ln(avg_time)))) AS gmean
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FROM posts
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WHERE avg_time > 0 AND avg_time IS NOT NULL
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GROUP BY topic_id) AS x
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/*where*/")
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builder.where("x.topic_id = topics.id AND
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(topics.avg_time <> x.gmean OR topics.avg_time IS NULL)")
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if min_topic_age
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builder.where("topics.bumped_at > :bumped_at",
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bumped_at: min_topic_age)
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end
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builder.exec
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end
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def changed_to_category(cat)
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return true if cat.blank? || Category.find_by(topic_id: id).present?
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Topic.transaction do
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old_category = category
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if category_id.present? && category_id != cat.id
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Category.where(['id = ?', category_id]).update_all 'topic_count = topic_count - 1'
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end
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success = true
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if self.category_id != cat.id
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self.category_id = cat.id
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success = save
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end
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if success
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CategoryFeaturedTopic.feature_topics_for(old_category) unless @import_mode
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Category.where(id: cat.id).update_all 'topic_count = topic_count + 1'
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CategoryFeaturedTopic.feature_topics_for(cat) unless @import_mode || old_category.try(:id) == cat.try(:id)
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else
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return false
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end
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end
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true
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end
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def add_moderator_post(user, text, opts={})
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new_post = nil
|
|
Topic.transaction do
|
|
creator = PostCreator.new(user,
|
|
raw: text,
|
|
post_type: Post.types[:moderator_action],
|
|
no_bump: opts[:bump].blank?,
|
|
topic_id: self.id)
|
|
new_post = creator.create
|
|
increment!(:moderator_posts_count)
|
|
end
|
|
|
|
if new_post.present?
|
|
# If we are moving posts, we want to insert the moderator post where the previous posts were
|
|
# in the stream, not at the end.
|
|
new_post.update_attributes(post_number: opts[:post_number], sort_order: opts[:post_number]) if opts[:post_number].present?
|
|
|
|
# Grab any links that are present
|
|
TopicLink.extract_from(new_post)
|
|
QuotedPost.extract_from(new_post)
|
|
end
|
|
|
|
new_post
|
|
end
|
|
|
|
def change_category_to_id(category_id)
|
|
# If the category name is blank, reset the attribute
|
|
if (category_id.nil? || category_id.to_i == 0)
|
|
cat = Category.find_by(id: SiteSetting.uncategorized_category_id)
|
|
else
|
|
cat = Category.where(id: category_id).first
|
|
end
|
|
|
|
return true if cat == category
|
|
return false unless cat
|
|
changed_to_category(cat)
|
|
end
|
|
|
|
def remove_allowed_user(username)
|
|
user = User.find_by(username: username)
|
|
if user
|
|
topic_user = topic_allowed_users.find_by(user_id: user.id)
|
|
if topic_user
|
|
topic_user.destroy
|
|
else
|
|
false
|
|
end
|
|
end
|
|
end
|
|
|
|
# Invite a user to the topic by username or email. Returns success/failure
|
|
def invite(invited_by, username_or_email, group_ids=nil)
|
|
if private_message?
|
|
# If the user exists, add them to the topic.
|
|
user = User.find_by_username_or_email(username_or_email)
|
|
if user && topic_allowed_users.create!(user_id: user.id)
|
|
|
|
# Notify the user they've been invited
|
|
user.notifications.create(notification_type: Notification.types[:invited_to_private_message],
|
|
topic_id: id,
|
|
post_number: 1,
|
|
data: { topic_title: title,
|
|
display_username: invited_by.username }.to_json)
|
|
return true
|
|
end
|
|
end
|
|
|
|
if username_or_email =~ /^.+@.+$/
|
|
# NOTE callers expect an invite object if an invite was sent via email
|
|
invite_by_email(invited_by, username_or_email, group_ids)
|
|
else
|
|
false
|
|
end
|
|
end
|
|
|
|
def invite_by_email(invited_by, email, group_ids=nil)
|
|
Invite.invite_by_email(email, invited_by, self, group_ids)
|
|
end
|
|
|
|
def email_already_exists_for?(invite)
|
|
invite.email_already_exists and private_message?
|
|
end
|
|
|
|
def grant_permission_to_user(lower_email)
|
|
user = User.find_by(email: lower_email)
|
|
topic_allowed_users.create!(user_id: user.id)
|
|
end
|
|
|
|
def max_post_number
|
|
posts.with_deleted.maximum(:post_number).to_i
|
|
end
|
|
|
|
def move_posts(moved_by, post_ids, opts)
|
|
post_mover = PostMover.new(self, moved_by, post_ids)
|
|
|
|
if opts[:destination_topic_id]
|
|
post_mover.to_topic opts[:destination_topic_id]
|
|
elsif opts[:title]
|
|
post_mover.to_new_topic(opts[:title], opts[:category_id])
|
|
end
|
|
end
|
|
|
|
# Updates the denormalized statistics of a topic including featured posters. They shouldn't
|
|
# go out of sync unless you do something drastic live move posts from one topic to another.
|
|
# this recalculates everything.
|
|
def update_statistics
|
|
feature_topic_users
|
|
update_action_counts
|
|
Topic.reset_highest(id)
|
|
end
|
|
|
|
def update_flagged_posts_count
|
|
PostAction.update_flagged_posts_count
|
|
end
|
|
|
|
def update_action_counts
|
|
PostActionType.types.keys.each do |type|
|
|
count_field = "#{type}_count"
|
|
update_column(count_field, Post.where(topic_id: id).sum(count_field))
|
|
end
|
|
end
|
|
|
|
def posters_summary(options = {})
|
|
@posters_summary ||= TopicPostersSummary.new(self, options).summary
|
|
end
|
|
|
|
def participants_summary(options = {})
|
|
@participants_summary ||= TopicParticipantsSummary.new(self, options).summary
|
|
end
|
|
|
|
# Enable/disable the star on the topic
|
|
def toggle_star(user, starred)
|
|
Topic.transaction do
|
|
TopicUser.change(user, id, {starred: starred}.merge( starred ? {starred_at: DateTime.now, unstarred_at: nil} : {unstarred_at: DateTime.now}))
|
|
|
|
# Update the star count
|
|
exec_sql "UPDATE topics
|
|
SET star_count = (SELECT COUNT(*)
|
|
FROM topic_users AS ftu
|
|
WHERE ftu.topic_id = topics.id
|
|
AND ftu.starred = true)
|
|
WHERE id = ?", id
|
|
|
|
if starred
|
|
StarLimiter.new(user).performed!
|
|
else
|
|
StarLimiter.new(user).rollback!
|
|
end
|
|
end
|
|
end
|
|
|
|
def make_banner!(user)
|
|
# only one banner at the same time
|
|
previous_banner = Topic.where(archetype: Archetype.banner).first
|
|
previous_banner.remove_banner!(user) if previous_banner.present?
|
|
|
|
self.archetype = Archetype.banner
|
|
self.add_moderator_post(user, I18n.t("archetypes.banner.message.make"))
|
|
self.save
|
|
|
|
MessageBus.publish('/site/banner', banner)
|
|
end
|
|
|
|
def remove_banner!(user)
|
|
self.archetype = Archetype.default
|
|
self.add_moderator_post(user, I18n.t("archetypes.banner.message.remove"))
|
|
self.save
|
|
|
|
MessageBus.publish('/site/banner', nil)
|
|
end
|
|
|
|
def banner
|
|
post = self.posts.order(:post_number).limit(1).first
|
|
|
|
{
|
|
html: post.cooked,
|
|
key: self.id
|
|
}
|
|
end
|
|
|
|
def self.starred_counts_per_day(sinceDaysAgo=30)
|
|
TopicUser.starred_since(sinceDaysAgo).by_date_starred.count
|
|
end
|
|
|
|
# Even if the slug column in the database is null, topic.slug will return something:
|
|
def slug
|
|
unless slug = read_attribute(:slug)
|
|
return '' unless title.present?
|
|
slug = Slug.for(title).presence || "topic"
|
|
if new_record?
|
|
write_attribute(:slug, slug)
|
|
else
|
|
update_column(:slug, slug)
|
|
end
|
|
end
|
|
|
|
slug
|
|
end
|
|
|
|
def title=(t)
|
|
slug = (Slug.for(t.to_s).presence || "topic")
|
|
write_attribute(:slug, slug)
|
|
write_attribute(:title,t)
|
|
end
|
|
|
|
# NOTE: These are probably better off somewhere else.
|
|
# Having a model know about URLs seems a bit strange.
|
|
def last_post_url
|
|
"/t/#{slug}/#{id}/#{posts_count}"
|
|
end
|
|
|
|
def self.url(id, slug, post_number=nil)
|
|
url = "#{Discourse.base_url}/t/#{slug}/#{id}"
|
|
url << "/#{post_number}" if post_number.to_i > 1
|
|
url
|
|
end
|
|
|
|
def url(post_number = nil)
|
|
self.class.url id, slug, post_number
|
|
end
|
|
|
|
def relative_url(post_number=nil)
|
|
url = "/t/#{slug}/#{id}"
|
|
url << "/#{post_number}" if post_number.to_i > 1
|
|
url
|
|
end
|
|
|
|
def clear_pin_for(user)
|
|
return unless user.present?
|
|
TopicUser.change(user.id, id, cleared_pinned_at: Time.now)
|
|
end
|
|
|
|
def re_pin_for(user)
|
|
return unless user.present?
|
|
TopicUser.change(user.id, id, cleared_pinned_at: nil)
|
|
end
|
|
|
|
def update_pinned(status, global=false)
|
|
update_column(:pinned_at, status ? Time.now : nil)
|
|
update_column(:pinned_globally, global)
|
|
end
|
|
|
|
def draft_key
|
|
"#{Draft::EXISTING_TOPIC}#{id}"
|
|
end
|
|
|
|
def notifier
|
|
@topic_notifier ||= TopicNotifier.new(self)
|
|
end
|
|
|
|
def muted?(user)
|
|
if user && user.id
|
|
notifier.muted?(user.id)
|
|
end
|
|
end
|
|
|
|
def auto_close_hours=(num_hours)
|
|
@ignore_category_auto_close = true
|
|
set_auto_close( num_hours )
|
|
end
|
|
|
|
def self.auto_close
|
|
Topic.where("NOT closed AND auto_close_at < ? AND auto_close_user_id IS NOT NULL", 1.minute.ago).each do |t|
|
|
t.auto_close
|
|
end
|
|
end
|
|
|
|
def auto_close(closer = nil)
|
|
if auto_close_at && !closed? && !deleted_at && auto_close_at < 5.minutes.from_now
|
|
closer ||= auto_close_user
|
|
if Guardian.new(closer).can_moderate?(self)
|
|
update_status('autoclosed', true, closer)
|
|
end
|
|
end
|
|
end
|
|
|
|
# Valid arguments for the auto close time:
|
|
# * An integer, which is the number of hours from now to close the topic.
|
|
# * A time, like "12:00", which is the time at which the topic will close in the current day
|
|
# or the next day if that time has already passed today.
|
|
# * A timestamp, like "2013-11-25 13:00", when the topic should close.
|
|
# * A timestamp with timezone in JSON format. (e.g., "2013-11-26T21:00:00.000Z")
|
|
# * nil, to prevent the topic from automatically closing.
|
|
def set_auto_close(arg, by_user=nil)
|
|
if arg.is_a?(String) && matches = /^([\d]{1,2}):([\d]{1,2})$/.match(arg.strip)
|
|
now = Time.zone.now
|
|
self.auto_close_at = Time.zone.local(now.year, now.month, now.day, matches[1].to_i, matches[2].to_i)
|
|
self.auto_close_at += 1.day if self.auto_close_at < now
|
|
elsif arg.is_a?(String) && arg.include?('-') && timestamp = Time.zone.parse(arg)
|
|
self.auto_close_at = timestamp
|
|
self.errors.add(:auto_close_at, :invalid) if timestamp < Time.zone.now
|
|
else
|
|
num_hours = arg.to_i
|
|
self.auto_close_at = (num_hours > 0 ? num_hours.hours.from_now : nil)
|
|
end
|
|
|
|
unless self.auto_close_at.nil?
|
|
self.auto_close_started_at ||= Time.zone.now
|
|
if by_user && by_user.staff?
|
|
self.auto_close_user = by_user
|
|
else
|
|
self.auto_close_user ||= (self.user.staff? ? self.user : Discourse.system_user)
|
|
end
|
|
else
|
|
self.auto_close_started_at = nil
|
|
end
|
|
self
|
|
end
|
|
|
|
def read_restricted_category?
|
|
category && category.read_restricted
|
|
end
|
|
|
|
def acting_user
|
|
@acting_user || user
|
|
end
|
|
|
|
def acting_user=(u)
|
|
@acting_user = u
|
|
end
|
|
|
|
def secure_group_ids
|
|
@secure_group_ids ||= if self.category && self.category.read_restricted?
|
|
self.category.secure_group_ids
|
|
end
|
|
end
|
|
|
|
def has_topic_embed?
|
|
TopicEmbed.where(topic_id: id).exists?
|
|
end
|
|
|
|
def expandable_first_post?
|
|
SiteSetting.embeddable_host.present? && SiteSetting.embed_truncate? && has_topic_embed?
|
|
end
|
|
|
|
private
|
|
|
|
def update_category_topic_count_by(num)
|
|
if category_id.present?
|
|
Category.where(['id = ?', category_id]).update_all("topic_count = topic_count " + (num > 0 ? '+' : '') + "#{num}")
|
|
end
|
|
end
|
|
|
|
def limit_first_day_topics_per_day
|
|
apply_per_day_rate_limit_for("first-day-topics", :max_topics_in_first_day)
|
|
end
|
|
|
|
def apply_per_day_rate_limit_for(key, method_name)
|
|
RateLimiter.new(user, "#{key}-per-day:#{Date.today}", SiteSetting.send(method_name), 1.day.to_i)
|
|
end
|
|
|
|
end
|
|
|
|
# == Schema Information
|
|
#
|
|
# Table name: topics
|
|
#
|
|
# id :integer not null, primary key
|
|
# title :string(255) not null
|
|
# last_posted_at :datetime
|
|
# created_at :datetime not null
|
|
# updated_at :datetime not null
|
|
# views :integer default(0), not null
|
|
# posts_count :integer default(0), not null
|
|
# user_id :integer
|
|
# last_post_user_id :integer not null
|
|
# reply_count :integer default(0), not null
|
|
# featured_user1_id :integer
|
|
# featured_user2_id :integer
|
|
# featured_user3_id :integer
|
|
# avg_time :integer
|
|
# deleted_at :datetime
|
|
# highest_post_number :integer default(0), not null
|
|
# image_url :string(255)
|
|
# off_topic_count :integer default(0), not null
|
|
# like_count :integer default(0), not null
|
|
# incoming_link_count :integer default(0), not null
|
|
# bookmark_count :integer default(0), not null
|
|
# star_count :integer default(0), not null
|
|
# category_id :integer
|
|
# visible :boolean default(TRUE), not null
|
|
# moderator_posts_count :integer default(0), not null
|
|
# closed :boolean default(FALSE), not null
|
|
# archived :boolean default(FALSE), not null
|
|
# bumped_at :datetime not null
|
|
# has_summary :boolean default(FALSE), not null
|
|
# vote_count :integer default(0), not null
|
|
# archetype :string(255) default("regular"), not null
|
|
# featured_user4_id :integer
|
|
# notify_moderators_count :integer default(0), not null
|
|
# spam_count :integer default(0), not null
|
|
# illegal_count :integer default(0), not null
|
|
# inappropriate_count :integer default(0), not null
|
|
# pinned_at :datetime
|
|
# score :float
|
|
# percent_rank :float default(1.0), not null
|
|
# notify_user_count :integer default(0), not null
|
|
# subtype :string(255)
|
|
# slug :string(255)
|
|
# auto_close_at :datetime
|
|
# auto_close_user_id :integer
|
|
# auto_close_started_at :datetime
|
|
# deleted_by_id :integer
|
|
# participant_count :integer default(1)
|
|
# word_count :integer
|
|
# excerpt :string(1000)
|
|
# pinned_globally :boolean default(FALSE), not null
|
|
#
|
|
# Indexes
|
|
#
|
|
# idx_topics_front_page (deleted_at,visible,archetype,category_id,id)
|
|
# idx_topics_user_id_deleted_at (user_id)
|
|
# index_topics_on_bumped_at (bumped_at)
|
|
# index_topics_on_id_and_deleted_at (id,deleted_at)
|
|
#
|