245 lines
6.9 KiB
Ruby
245 lines
6.9 KiB
Ruby
class ForumPost < ApplicationRecord
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include Mentionable
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attr_readonly :topic_id
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belongs_to_creator
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belongs_to_updater
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belongs_to :topic, :class_name => "ForumTopic"
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has_many :votes, class_name: "ForumPostVote"
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has_one :tag_alias
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has_one :tag_implication
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has_one :bulk_update_request
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before_validation :initialize_is_deleted, :on => :create
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after_create :update_topic_updated_at_on_create
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after_update :update_topic_updated_at_on_update_for_original_posts
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after_destroy :update_topic_updated_at_on_destroy
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validates_presence_of :body
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validate :validate_topic_is_unlocked
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validate :validate_post_is_not_spam, on: :create
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validate :topic_is_not_restricted, :on => :create
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before_destroy :validate_topic_is_unlocked
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after_save :delete_topic_if_original_post
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after_update(:if => ->(rec) {rec.updater_id != rec.creator_id}) do |rec|
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ModAction.log("#{CurrentUser.name} updated forum ##{rec.id}",:forum_post_update)
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end
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after_destroy(:if => ->(rec) {rec.updater_id != rec.creator_id}) do |rec|
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ModAction.log("#{CurrentUser.name} deleted forum ##{rec.id}",:forum_post_delete)
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end
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mentionable(
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:message_field => :body,
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:title => ->(user_name) {%{#{creator.name} mentioned you in topic ##{topic_id} (#{topic.title})}},
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:body => ->(user_name) {%{@#{creator.name} mentioned you in topic ##{topic_id} ("#{topic.title}":[/forum_topics/#{topic_id}?page=#{forum_topic_page}]):\n\n[quote]\n#{DText.excerpt(body, "@"+user_name)}\n[/quote]\n}},
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)
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module SearchMethods
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def topic_title_matches(title)
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joins(:topic).merge(ForumTopic.search(title_matches: title))
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end
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def for_user(user_id)
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where("forum_posts.creator_id = ?", user_id)
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end
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def creator_name(name)
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where("forum_posts.creator_id = (select _.id from users _ where lower(_.name) = ?)", name.mb_chars.downcase)
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end
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def active
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where("forum_posts.is_deleted = false")
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end
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def permitted
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joins(:topic).where("forum_topics.min_level <= ?", CurrentUser.level)
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end
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def search(params)
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q = super
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q = q.permitted
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if params[:creator_id].present?
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q = q.where("forum_posts.creator_id = ?", params[:creator_id].to_i)
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end
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if params[:topic_id].present?
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q = q.where("forum_posts.topic_id = ?", params[:topic_id].to_i)
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end
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if params[:topic_title_matches].present?
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q = q.topic_title_matches(params[:topic_title_matches])
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end
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q = q.attribute_matches(:body, params[:body_matches], index_column: :text_index)
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if params[:creator_name].present?
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q = q.creator_name(params[:creator_name].tr(" ", "_"))
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end
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if params[:topic_category_id].present?
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q = q.joins(:topic).where("forum_topics.category_id = ?", params[:topic_category_id].to_i)
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end
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q = q.attribute_matches(:is_deleted, params[:is_deleted])
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q.apply_default_order(params)
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end
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end
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module ApiMethods
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def as_json(options = {})
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if CurrentUser.user.level < topic.min_level
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options[:only] = [:id]
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end
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super(options)
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end
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def to_xml(options = {})
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if CurrentUser.user.level < topic.min_level
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options[:only] = [:id]
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end
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super(options)
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end
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def hidden_attributes
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super + [:text_index]
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end
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end
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extend SearchMethods
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include ApiMethods
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def self.new_reply(params)
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if params[:topic_id]
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new(:topic_id => params[:topic_id])
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elsif params[:post_id]
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forum_post = ForumPost.find(params[:post_id])
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forum_post.build_response
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else
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new
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end
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end
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def tag_change_request
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bulk_update_request || tag_alias || tag_implication
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end
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def votable?
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TagAlias.where(forum_post_id: id).exists? ||
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TagImplication.where(forum_post_id: id).exists? ||
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BulkUpdateRequest.where(forum_post_id: id).exists?
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end
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def voted?(user, score)
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votes.where(creator_id: user.id, score: score).exists?
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end
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def validate_post_is_not_spam
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errors[:base] << "Failed to create forum post" if SpamDetector.new(self, user_ip: CurrentUser.ip_addr).spam?
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end
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def validate_topic_is_unlocked
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return if CurrentUser.is_moderator?
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return if topic.nil?
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if topic.is_locked?
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errors[:topic] << "is locked"
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throw :abort
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end
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end
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def topic_is_not_restricted
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if topic && !topic.visible?(creator)
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errors[:topic] << "is restricted"
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end
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end
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def editable_by?(user)
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(creator_id == user.id || user.is_moderator?) && visible?(user)
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end
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def visible?(user, show_deleted_posts = false)
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user.is_moderator? || (topic.visible?(user) && (show_deleted_posts || !is_deleted?))
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end
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def update_topic_updated_at_on_create
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if topic
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# need to do this to bypass the topic's original post from getting touched
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ForumTopic.where(:id => topic.id).update_all(["updater_id = ?, response_count = response_count + 1, updated_at = ?", CurrentUser.id, Time.now])
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topic.response_count += 1
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end
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end
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def update_topic_updated_at_on_update_for_original_posts
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if is_original_post?
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topic.touch
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end
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end
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def delete!
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update(is_deleted: true)
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update_topic_updated_at_on_delete
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end
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def undelete!
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update(is_deleted: false)
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update_topic_updated_at_on_undelete
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end
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def update_topic_updated_at_on_delete
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max = ForumPost.where(:topic_id => topic.id, :is_deleted => false).order("updated_at desc").first
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if max
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ForumTopic.where(:id => topic.id).update_all(["updated_at = ?, updater_id = ?", max.updated_at, max.updater_id])
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end
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end
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def update_topic_updated_at_on_undelete
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if topic
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ForumTopic.where(:id => topic.id).update_all(["updater_id = ?, updated_at = ?", CurrentUser.id, Time.now])
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end
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end
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def update_topic_updated_at_on_destroy
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max = ForumPost.where(:topic_id => topic.id, :is_deleted => false).order("updated_at desc").first
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if max
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ForumTopic.where(:id => topic.id).update_all(["response_count = response_count - 1, updated_at = ?, updater_id = ?", max.updated_at, max.updater_id])
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topic.response_count -= 1
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else
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ForumTopic.where(:id => topic.id).update_all("response_count = response_count - 1")
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topic.response_count -= 1
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end
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end
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def initialize_is_deleted
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self.is_deleted = false if is_deleted.nil?
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end
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def quoted_response
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DText.quote(body, creator.name)
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end
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def forum_topic_page
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((ForumPost.where("topic_id = ? and created_at <= ?", topic_id, created_at).count) / Danbooru.config.posts_per_page.to_f).ceil
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end
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def is_original_post?(original_post_id = nil)
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if original_post_id
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return id == original_post_id
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else
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ForumPost.exists?(["id = ? and id = (select _.id from forum_posts _ where _.topic_id = ? order by _.id asc limit 1)", id, topic_id])
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end
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end
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def delete_topic_if_original_post
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if is_deleted? && is_original_post?
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topic.update_attribute(:is_deleted, true)
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end
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end
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def build_response
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dup.tap do |x|
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x.body = x.quoted_response
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end
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end
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end
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