789 lines
22 KiB
Ruby
789 lines
22 KiB
Ruby
class Post < ActiveRecord::Base
|
|
attr_accessor :old_tag_string, :old_parent_id
|
|
after_destroy :delete_files
|
|
after_save :create_version
|
|
after_save :update_parent_on_save
|
|
before_save :merge_old_tags
|
|
before_save :normalize_tags
|
|
before_save :create_tags
|
|
before_save :update_tag_post_counts
|
|
before_save :set_tag_counts
|
|
belongs_to :updater, :class_name => "User"
|
|
belongs_to :approver, :class_name => "User"
|
|
belongs_to :parent, :class_name => "Post"
|
|
has_one :unapproval, :dependent => :destroy
|
|
has_one :upload, :dependent => :destroy
|
|
has_one :moderation_detail, :class_name => "PostModerationDetail", :dependent => :destroy
|
|
has_many :versions, :class_name => "PostVersion", :dependent => :destroy
|
|
has_many :votes, :class_name => "PostVote", :dependent => :destroy
|
|
has_many :notes, :dependent => :destroy
|
|
has_many :comments
|
|
has_many :children, :class_name => "Post", :foreign_key => "parent_id", :order => "posts.id"
|
|
validates_uniqueness_of :md5
|
|
validates_presence_of :parent, :if => lambda {|rec| !rec.parent_id.nil?}
|
|
validate :validate_parent_does_not_have_a_parent
|
|
attr_accessible :source, :rating, :tag_string, :old_tag_string, :last_noted_at
|
|
|
|
module FileMethods
|
|
def delete_files
|
|
FileUtils.rm_f(file_path)
|
|
FileUtils.rm_f(medium_file_path)
|
|
FileUtils.rm_f(large_file_path)
|
|
FileUtils.rm_f(preview_file_path)
|
|
end
|
|
|
|
def file_path_prefix
|
|
Rails.env == "test" ? "test." : ""
|
|
end
|
|
|
|
def file_path
|
|
"#{Rails.root}/public/data/original/#{file_path_prefix}#{md5}.#{file_ext}"
|
|
end
|
|
|
|
def medium_file_path
|
|
"#{Rails.root}/public/data/medium/#{file_path_prefix}#{md5}.jpg"
|
|
end
|
|
|
|
def large_file_path
|
|
"#{Rails.root}/public/data/large/#{file_path_prefix}#{md5}.jpg"
|
|
end
|
|
|
|
def preview_file_path
|
|
"#{Rails.root}/public/data/preview/#{file_path_prefix}#{md5}.jpg"
|
|
end
|
|
|
|
def file_url
|
|
"/data/original/#{file_path_prefix}#{md5}.#{file_ext}"
|
|
end
|
|
|
|
def medium_file_url
|
|
"/data/medium/#{file_path_prefix}#{md5}.jpg"
|
|
end
|
|
|
|
def large_file_url
|
|
"/data/large/#{file_path_prefix}#{md5}.jpg"
|
|
end
|
|
|
|
def preview_file_url
|
|
"/data/preview/#{file_path_prefix}#{md5}.jpg"
|
|
end
|
|
|
|
def file_url_for(user)
|
|
case user.default_image_size
|
|
when "medium"
|
|
if image_width > Danbooru.config.medium_image_width
|
|
medium_file_url
|
|
else
|
|
file_url
|
|
end
|
|
|
|
when "large"
|
|
if image_width > Danbooru.config.large_image_width
|
|
large_file_url
|
|
else
|
|
file_url
|
|
end
|
|
|
|
else
|
|
file_url
|
|
end
|
|
end
|
|
|
|
def file_path_for(user)
|
|
case user.default_image_size
|
|
when "medium"
|
|
if image_width > Danbooru.config.medium_image_width
|
|
medium_file_path
|
|
else
|
|
file_path
|
|
end
|
|
|
|
when "large"
|
|
if image_width > Danbooru.config.large_image_width
|
|
large_file_path
|
|
else
|
|
file_path
|
|
end
|
|
|
|
else
|
|
file_path
|
|
end
|
|
end
|
|
|
|
def is_image?
|
|
file_ext =~ /jpg|gif|png/
|
|
end
|
|
|
|
def is_flash?
|
|
file_ext =~ /swf/
|
|
end
|
|
end
|
|
|
|
module ImageMethods
|
|
def has_medium?
|
|
image_width > Danbooru.config.medium_image_width
|
|
end
|
|
|
|
def has_large?
|
|
image_width > Danbooru.config.large_image_width
|
|
end
|
|
|
|
def medium_image_width
|
|
[Danbooru.config.medium_image_width, image_width].min
|
|
end
|
|
|
|
def large_image_width
|
|
[Danbooru.config.large_image_width, image_width].min
|
|
end
|
|
|
|
def medium_image_height
|
|
ratio = Danbooru.config.medium_image_width.to_f / image_width.to_f
|
|
if ratio < 1
|
|
(image_height * ratio).to_i
|
|
else
|
|
image_height
|
|
end
|
|
end
|
|
|
|
def large_image_height
|
|
ratio = Danbooru.config.large_image_width.to_f / image_width.to_f
|
|
if ratio < 1
|
|
(image_height * ratio).to_i
|
|
else
|
|
image_height
|
|
end
|
|
end
|
|
|
|
def image_width_for(user)
|
|
case user.default_image_size
|
|
when "medium"
|
|
medium_image_width
|
|
|
|
when "large"
|
|
large_image_width
|
|
|
|
else
|
|
image_width
|
|
end
|
|
end
|
|
|
|
def image_height_for(user)
|
|
case user.default_image_size
|
|
when "medium"
|
|
medium_image_height
|
|
|
|
when "large"
|
|
large_image_height
|
|
|
|
else
|
|
image_height
|
|
end
|
|
end
|
|
end
|
|
|
|
module ApprovalMethods
|
|
def unapprove!(reason)
|
|
raise Unapproval::Error.new("You can't unapprove a post more than once") if is_flagged?
|
|
|
|
unapproval = create_unapproval(
|
|
:unapprover_id => CurrentUser.user.id,
|
|
:unapprover_ip_addr => CurrentUser.ip_addr,
|
|
:reason => reason
|
|
)
|
|
|
|
if unapproval.errors.any?
|
|
raise Unapproval::Error.new(unapproval.errors.full_messages.join("; "))
|
|
end
|
|
|
|
toggle!(:is_flagged)
|
|
end
|
|
|
|
def approve!
|
|
update_attributes(
|
|
:is_pending => false
|
|
)
|
|
end
|
|
end
|
|
|
|
module PresenterMethods
|
|
def pretty_rating
|
|
case rating
|
|
when "q"
|
|
"Questionable"
|
|
|
|
when "e"
|
|
"Explicit"
|
|
|
|
when "s"
|
|
"Safe"
|
|
end
|
|
end
|
|
end
|
|
|
|
module VersionMethods
|
|
def create_version
|
|
version = versions.create(
|
|
:source => source,
|
|
:rating => rating,
|
|
:tag_string => tag_string,
|
|
:updater_id => CurrentUser.user.id,
|
|
:updater_ip_addr => CurrentUser.ip_addr
|
|
)
|
|
|
|
raise PostVersion::Error.new(version.errors.full_messages.join("; ")) if version.errors.any?
|
|
end
|
|
|
|
def revert_to!(version)
|
|
self.source = version.source
|
|
self.rating = version.rating
|
|
self.tag_string = version.tag_string
|
|
save!
|
|
end
|
|
end
|
|
|
|
module TagMethods
|
|
def tag_array
|
|
@tag_array ||= Tag.scan_tags(tag_string)
|
|
end
|
|
|
|
def tag_array_was
|
|
@tag_array_was ||= Tag.scan_tags(tag_string_was)
|
|
end
|
|
|
|
def create_tags
|
|
set_tag_string(tag_array.map {|x| Tag.find_or_create_by_name(x).name}.join(" "))
|
|
end
|
|
|
|
def increment_tag_post_counts
|
|
execute_sql("UPDATE tags SET post_count = post_count + 1 WHERE name IN (?)", tag_array) if tag_array.any?
|
|
end
|
|
|
|
def decrement_tag_post_counts
|
|
execute_sql("UPDATE tags SET post_count = post_count - 1 WHERE name IN (?)", tag_array) if tag_array.any?
|
|
end
|
|
|
|
def update_tag_post_counts
|
|
decrement_tags = tag_array_was - tag_array
|
|
increment_tags = tag_array - tag_array_was
|
|
execute_sql("UPDATE tags SET post_count = post_count - 1 WHERE name IN (?)", decrement_tags) if decrement_tags.any?
|
|
execute_sql("UPDATE tags SET post_count = post_count + 1 WHERE name IN (?)", increment_tags) if increment_tags.any?
|
|
decrement_tags.each do |tag|
|
|
expire_cache(tag)
|
|
end
|
|
increment_tags.each do |tag|
|
|
expire_cache(tag)
|
|
end
|
|
expire_cache("")
|
|
end
|
|
|
|
def set_tag_counts
|
|
self.tag_count = 0
|
|
self.tag_count_general = 0
|
|
self.tag_count_artist = 0
|
|
self.tag_count_copyright = 0
|
|
self.tag_count_character = 0
|
|
|
|
categories = Tag.categories_for(tag_array)
|
|
categories.each_value do |category|
|
|
self.tag_count += 1
|
|
|
|
case category
|
|
when Tag.categories.general
|
|
self.tag_count_general += 1
|
|
|
|
when Tag.categories.artist
|
|
self.tag_count_artist += 1
|
|
|
|
when Tag.categories.copyright
|
|
self.tag_count_copyright += 1
|
|
|
|
when Tag.categories.character
|
|
self.tag_count_character += 1
|
|
end
|
|
end
|
|
end
|
|
|
|
def merge_old_tags
|
|
if old_tag_string
|
|
# If someone else committed changes to this post before we did,
|
|
# then try to merge the tag changes together.
|
|
current_tags = tag_array_was()
|
|
new_tags = tag_array()
|
|
old_tags = Tag.scan_tags(old_tag_string)
|
|
set_tag_string(((current_tags + new_tags) - old_tags + (current_tags & new_tags)).uniq.join(" "))
|
|
end
|
|
end
|
|
|
|
def reset_tag_array_cache
|
|
@tag_array = nil
|
|
@tag_array_was = nil
|
|
end
|
|
|
|
def set_tag_string(string)
|
|
self.tag_string = string
|
|
reset_tag_array_cache
|
|
end
|
|
|
|
def normalize_tags
|
|
normalized_tags = Tag.scan_tags(tag_string)
|
|
normalized_tags = TagAlias.to_aliased(normalized_tags)
|
|
normalized_tags = TagImplication.with_descendants(normalized_tags)
|
|
normalized_tags = filter_metatags(normalized_tags)
|
|
set_tag_string(normalized_tags.uniq.join(" "))
|
|
end
|
|
|
|
def filter_metatags(tags)
|
|
tags.reject {|tag| tag =~ /\A(?:pool|rating|fav|approver|uploader):/}
|
|
end
|
|
end
|
|
|
|
module FavoriteMethods
|
|
def delete_favorites
|
|
Favorite.destroy_for_post(self)
|
|
end
|
|
|
|
def add_favorite(user)
|
|
if user.is_a?(ActiveRecord::Base)
|
|
user_id = user.id
|
|
else
|
|
user_id = user
|
|
end
|
|
|
|
return false if fav_string =~ /fav:#{user_id}/
|
|
self.fav_string += " fav:#{user_id}"
|
|
self.fav_string.strip!
|
|
|
|
# in order to avoid rerunning the callbacks, just update through raw sql
|
|
execute_sql("UPDATE posts SET fav_string = ? WHERE id = ?", fav_string, id)
|
|
|
|
Favorite.create(:user_id => user_id, :post_id => id)
|
|
end
|
|
|
|
def remove_favorite(user)
|
|
if user.is_a?(ActiveRecord::Base)
|
|
user_id = user.id
|
|
else
|
|
user_id = user
|
|
end
|
|
|
|
self.fav_string.gsub!(/(?:\A| )fav:#{user_id}(?:\Z| )/, " ")
|
|
self.fav_string.strip!
|
|
|
|
# in order to avoid rerunning the callbacks, just update through raw sql
|
|
execute_sql("UPDATE posts SET fav_string = ? WHERE id = ?", fav_string, id)
|
|
|
|
Favorite.destroy(:user_id => user_id, :post_id => id)
|
|
end
|
|
|
|
def favorited_user_ids
|
|
fav_string.scan(/\d+/)
|
|
end
|
|
end
|
|
|
|
module SearchMethods
|
|
class SearchError < Exception ; end
|
|
|
|
def add_range_relation(arr, field, relation)
|
|
case arr[0]
|
|
when :eq
|
|
relation.where(["#{field} = ?", arr[1]])
|
|
|
|
when :gt
|
|
relation.where(["#{field} > ?", arr[1]])
|
|
|
|
when :gte
|
|
relation.where(["#{field} >= ?", arr[1]])
|
|
|
|
when :lt
|
|
relation.where(["#{field} < ?", arr[1]])
|
|
|
|
when :lte
|
|
relation.where(["#{field} <= ?", arr[1]])
|
|
|
|
when :between
|
|
relation.where(["#{field} BETWEEN ? AND ?", arr[1], arr[2]])
|
|
|
|
else
|
|
relation
|
|
end
|
|
end
|
|
|
|
def escape_string_for_tsquery(array)
|
|
array.map do |token|
|
|
escaped_token = token.gsub(/\\|'/, '\0\0\0\0').gsub("?", "\\\\77").gsub("%", "\\\\37")
|
|
"''" + escaped_token + "''"
|
|
end
|
|
end
|
|
|
|
def add_tag_string_search_relation(tags, relation)
|
|
tag_query_sql = []
|
|
|
|
if tags[:include].any?
|
|
tag_query_sql << "(" + escape_string_for_tsquery(tags[:include]).join(" | ") + ")"
|
|
end
|
|
|
|
if tags[:related].any?
|
|
raise SearchError.new("You cannot search for more than #{Danbooru.config.tag_query_limit} tags at a time") if tags[:related].size > Danbooru.config.tag_query_limit
|
|
tag_query_sql << "(" + escape_string_for_tsquery(tags[:related]).join(" & ") + ")"
|
|
end
|
|
|
|
if tags[:exclude].any?
|
|
raise SearchError.new("You cannot search for more than #{Danbooru.config.tag_query_limit} tags at a time") if tags[:exclude].size > Danbooru.config.tag_query_limit
|
|
|
|
if tags[:related].any? || tags[:include].any?
|
|
tag_query_sql << "!(" + escape_string_for_tsquery(tags[:exclude]).join(" | ") + ")"
|
|
else
|
|
raise SearchError.new("You cannot search for only excluded tags")
|
|
end
|
|
end
|
|
|
|
if tag_query_sql.any?
|
|
relation = relation.where("posts.tag_index @@ to_tsquery('danbooru', E'" + tag_query_sql.join(" & ") + "')")
|
|
end
|
|
|
|
relation
|
|
end
|
|
|
|
def add_tag_subscription_relation(subscriptions, relation)
|
|
subscriptions.each do |subscription|
|
|
subscription =~ /^(.+?):(.+)$/
|
|
user_name = $1 || subscription
|
|
subscription_name = $2
|
|
|
|
user = User.find_by_name(user_name)
|
|
|
|
if user
|
|
post_ids = TagSubscription.find_post_ids(user.id, subscription_name)
|
|
relation = relation.where(["posts.id IN (?)", post_ids])
|
|
end
|
|
end
|
|
|
|
relation
|
|
end
|
|
|
|
def find_by_tags(q, options = {})
|
|
unless q.is_a?(Hash)
|
|
q = Tag.parse_query(q)
|
|
end
|
|
|
|
if q[:status] == "deleted"
|
|
relation = RemovedPost.where()
|
|
else
|
|
relation = where()
|
|
end
|
|
|
|
relation = add_range_relation(q[:post_id], "posts.id", relation)
|
|
relation = add_range_relation(q[:mpixels], "posts.width * posts.height / 1000000.0", relation)
|
|
relation = add_range_relation(q[:width], "posts.image_width", relation)
|
|
relation = add_range_relation(q[:height], "posts.image_height", relation)
|
|
relation = add_range_relation(q[:score], "posts.score", relation)
|
|
relation = add_range_relation(q[:filesize], "posts.file_size", relation)
|
|
relation = add_range_relation(q[:date], "posts.created_at::date", relation)
|
|
relation = add_range_relation(q[:general_tag_count], "posts.tag_count_general", relation)
|
|
relation = add_range_relation(q[:artist_tag_count], "posts.tag_count_artist", relation)
|
|
relation = add_range_relation(q[:copyright_tag_count], "posts.tag_count_copyright", relation)
|
|
relation = add_range_relation(q[:character_tag_count], "posts.tag_count_character", relation)
|
|
relation = add_range_relation(q[:tag_count], "posts.tag_count", relation)
|
|
|
|
if options[:before_id]
|
|
relation = relation.where(["posts.id < ?", options[:before_id]])
|
|
end
|
|
|
|
if q[:md5].any?
|
|
relation = relation.where(["posts.md5 IN (?)", q[:md5]])
|
|
end
|
|
|
|
if q[:status] == "pending"
|
|
relation = relation.where("posts.is_pending = TRUE")
|
|
elsif q[:status] == "flagged"
|
|
relation = relation.where("posts.is_flagged = TRUE")
|
|
end
|
|
|
|
if q[:source].is_a?(String)
|
|
relation = relation.where(["posts.source LIKE ? ESCAPE E'\\\\'", q[:source]])
|
|
end
|
|
|
|
if q[:subscriptions].any?
|
|
relation = add_tag_subscription_relation(q[:subscriptions], relation)
|
|
end
|
|
|
|
relation = add_tag_string_search_relation(q[:tags], relation)
|
|
|
|
if q[:rating] == "q"
|
|
relation = relation.where("posts.rating = 'q'")
|
|
elsif q[:rating] == "s"
|
|
relation = relation.where("posts.rating = 's'")
|
|
elsif q[:rating] == "e"
|
|
relation = relation.where("posts.rating = 'e'")
|
|
end
|
|
|
|
if q[:rating_negated] == "q"
|
|
relation = relation.where("posts.rating <> 'q'")
|
|
elsif q[:rating_negated] == "s"
|
|
relation = relation.where("posts.rating <> 's'")
|
|
elsif q[:rating_negated] == "e"
|
|
relation = relation.where("posts.rating <> 'e'")
|
|
end
|
|
|
|
case q[:order]
|
|
when "id", "id_asc"
|
|
relation = relation.order("posts.id")
|
|
|
|
when "id_desc"
|
|
relation = relation.order("posts.id DESC")
|
|
|
|
when "score", "score_desc"
|
|
relation = relation.order("posts.score DESC, posts.id DESC")
|
|
|
|
when "score_asc"
|
|
relation = relation.order("posts.score, posts.id DESC")
|
|
|
|
when "mpixels", "mpixels_desc"
|
|
# Use "w*h/1000000", even though "w*h" would give the same result, so this can use
|
|
# the posts_mpixels index.
|
|
relation = relation.order("posts.image_width * posts.image_height / 1000000.0 DESC, posts.id DESC")
|
|
|
|
when "mpixels_asc"
|
|
relation = relation.order("posts.image_width * posts.image_height / 1000000.0, posts.id DESC")
|
|
|
|
when "portrait"
|
|
relation = relation.order("1.0 * posts.image_width / GREATEST(1, posts.image_height), posts.id DESC")
|
|
|
|
when "landscape"
|
|
relation = relation.order("1.0 * posts.image_width / GREATEST(1, posts.image_height) DESC, posts.id DESC")
|
|
|
|
when "filesize", "filesize_desc"
|
|
relation = relation.order("posts.file_size DESC")
|
|
|
|
when "filesize_asc"
|
|
relation = relation.order("posts.file_size")
|
|
|
|
else
|
|
relation = relation.order("posts.id DESC")
|
|
end
|
|
|
|
if options[:limit]
|
|
relation = relation.limit(options[:limit])
|
|
end
|
|
|
|
if options[:offset]
|
|
relation = relation.offset(options[:offset])
|
|
end
|
|
|
|
if options[:select]
|
|
relation = relation.select(options[:select])
|
|
end
|
|
|
|
relation
|
|
end
|
|
end
|
|
|
|
module UploaderMethods
|
|
def uploader_id=(user_id)
|
|
self.uploader = User.find(user_id)
|
|
end
|
|
|
|
def uploader_id
|
|
uploader_string[9..-1]
|
|
end
|
|
|
|
def uploader_name
|
|
User.id_to_name(uploader_id)
|
|
end
|
|
|
|
def uploader
|
|
User.find(uploader_id)
|
|
end
|
|
|
|
def uploader=(user)
|
|
self.uploader_string = "uploader:#{user.id}"
|
|
end
|
|
end
|
|
|
|
module PoolMethods
|
|
def add_pool(pool)
|
|
self.pool_string += " pool:#{pool.id}"
|
|
self.pool_string.strip!
|
|
pool.add_post!(self)
|
|
end
|
|
|
|
def remove_pool(pool)
|
|
self.pool_string.gsub!(/(?:\A| )pool:#{pool.id}(?:\Z| )/, " ")
|
|
self.pool_string.strip!
|
|
pool.remove_post!(self)
|
|
end
|
|
end
|
|
|
|
module VoteMethods
|
|
def can_be_voted_by?(user)
|
|
!votes.exists?(["user_id = ?", user.id])
|
|
end
|
|
|
|
def vote!(user, is_positive)
|
|
if can_be_voted_by?(user)
|
|
if is_positive
|
|
increment!(:score)
|
|
else
|
|
decrement!(:score)
|
|
end
|
|
|
|
votes.create(:user_id => user.id)
|
|
else
|
|
raise PostVote::Error.new("You have already voted for this comment")
|
|
end
|
|
end
|
|
end
|
|
|
|
module CountMethods
|
|
def fast_count(tags)
|
|
count = Cache.get("pfc:#{Cache.sanitize(tags)}")
|
|
if count.nil?
|
|
count = Post.find_by_tags("#{tags}").count
|
|
if count > Danbooru.config.posts_per_page * 10
|
|
Cache.put("pfc:#{Cache.sanitize(tags)}", count, (count * 4).minutes)
|
|
end
|
|
end
|
|
count
|
|
end
|
|
|
|
def fast_delete_count(tags)
|
|
fast_count("#{tags} status:deleted")
|
|
end
|
|
end
|
|
|
|
module CacheMethods
|
|
def expire_cache(tag_name)
|
|
if Post.fast_count("") < 1000
|
|
Cache.delete("pfc:")
|
|
Cache.delete("pfdc:")
|
|
end
|
|
Cache.delete("pfc:#{Cache.sanitize(tag_name)}")
|
|
Cache.delete("pfdc:#{Cache.sanitize(tag_name)}")
|
|
end
|
|
end
|
|
|
|
module ParentMethods
|
|
# A parent has many children. A child belongs to a parent.
|
|
# A parent cannot have a parent.
|
|
#
|
|
# After deleting a child:
|
|
# - Move favorites to parent.
|
|
# - Does the parent have any active children?
|
|
# - Yes: Done.
|
|
# - No: Update parent's has_children flag to false.
|
|
#
|
|
# After deleting a parent:
|
|
# - Move favorites to the first child.
|
|
# - Reparent all active children to the first active child.
|
|
|
|
module ClassMethods
|
|
def update_has_children_flag_for(post_id)
|
|
has_children = Post.exists?(["parent_id = ?", post_id])
|
|
execute_sql("UPDATE posts SET has_children = ? WHERE id = ?", has_children, post_id)
|
|
end
|
|
|
|
def recalculate_has_children_for_all_posts
|
|
transaction do
|
|
execute_sql("UPDATE posts SET has_children = false WHERE has_children = true")
|
|
execute_sql("UPDATE posts SET has_children = true WHERE id IN (SELECT p.parent_id FROM posts p WHERE p.parent_id IS NOT NULL)")
|
|
end
|
|
end
|
|
end
|
|
|
|
def self.included(m)
|
|
m.extend(ClassMethods)
|
|
end
|
|
|
|
def validate_parent_does_not_have_a_parent
|
|
return if parent.nil?
|
|
if !parent.parent.nil?
|
|
errors.add(:parent, "can not have a parent")
|
|
end
|
|
end
|
|
|
|
def update_parent_on_destroy
|
|
Post.update_has_children_flag_for(parent_id)
|
|
Post.update_has_children_flag_for(parent_id_was) if parent_id_was && parent_id != parent_id_was
|
|
end
|
|
|
|
def update_children_on_destroy
|
|
if children.size == 0
|
|
# do nothing
|
|
elsif children.size == 1
|
|
children.first.update_attribute(:parent_id, nil)
|
|
else
|
|
cached_children = children
|
|
cached_children[1..-1].each do |child|
|
|
child.update_attribute(:parent_id, cached_children[0].id)
|
|
end
|
|
cached_children[0].update_attribute(:parent_id, nil)
|
|
end
|
|
end
|
|
|
|
def update_parent_on_save
|
|
if parent_id == parent_id_was
|
|
# do nothing
|
|
elsif !parent_id_was.nil?
|
|
Post.update_has_children_flag_for(parent_id)
|
|
Post.update_has_children_flag_for(parent_id_was)
|
|
else
|
|
Post.update_has_children_flag_for(parent_id)
|
|
end
|
|
end
|
|
|
|
def give_favorites_to_parent
|
|
return if parent.nil?
|
|
|
|
favorited_user_ids.each do |user_id|
|
|
parent.add_favorite(user_id)
|
|
remove_favorite(user_id)
|
|
end
|
|
end
|
|
|
|
def delete_favorites
|
|
Favorite.destroy_for_post(self)
|
|
end
|
|
end
|
|
|
|
module RemovalMethods
|
|
def remove!
|
|
Post.transaction do
|
|
execute_sql("INSERT INTO removed_posts (#{Post.column_names.join(', ')}) SELECT #{Post.column_names.join(', ')} FROM posts WHERE posts.id = #{id}")
|
|
give_favorites_to_parent
|
|
update_children_on_destroy
|
|
delete_favorites
|
|
decrement_tag_post_counts
|
|
execute_sql("DELETE FROM posts WHERE id = #{id}")
|
|
update_parent_on_destroy
|
|
end
|
|
end
|
|
end
|
|
|
|
include FileMethods
|
|
include ImageMethods
|
|
include ApprovalMethods
|
|
include PresenterMethods
|
|
include VersionMethods
|
|
include TagMethods
|
|
include FavoriteMethods
|
|
include UploaderMethods
|
|
include PoolMethods
|
|
extend SearchMethods
|
|
include VoteMethods
|
|
extend CountMethods
|
|
include CacheMethods
|
|
include ParentMethods
|
|
include RemovalMethods
|
|
|
|
def reload(options = nil)
|
|
super
|
|
reset_tag_array_cache
|
|
end
|
|
|
|
def presenter
|
|
@presenter ||= PostPresenter.new(self)
|
|
end
|
|
end
|
|
|
|
Post.connection.extend(PostgresExtensions)
|