discourse/app/models/bookmark.rb

339 lines
12 KiB
Ruby

# frozen_string_literal: true
class Bookmark < ActiveRecord::Base
# these columns were here for a very short amount of time,
# hence the very short ignore time
self.ignored_columns = [
"topic_id", # TODO 2022-04-01: remove
"reminder_type" # TODO 2021-04-01: remove
]
cattr_accessor :registered_bookmarkables
self.registered_bookmarkables = []
def self.registered_bookmarkable_from_type(type)
Bookmark.registered_bookmarkables.find { |bm| bm.model.name == type }
end
def self.register_bookmarkable(
model:, serializer:, list_query:, search_query:, preload_associations: []
)
Bookmark.registered_bookmarkables << Bookmarkable.new(
model: model,
serializer: serializer,
list_query: list_query,
search_query: search_query,
preload_associations: preload_associations
)
end
##
# This is called when the app loads, similar to AdminDashboardData.reset_problem_checks,
# so the default Post and Topic bookmarkables are registered on
# boot.
#
# This method also can be used in testing to reset bookmarkables between
# tests. It will also fire multiple times in development mode because
# classes are not cached.
def self.reset_bookmarkables
self.registered_bookmarkables = []
Bookmark.register_bookmarkable(
model: Post,
serializer: UserPostBookmarkSerializer,
list_query: lambda do |user, guardian|
topics = Topic.listable_topics.secured(guardian)
pms = Topic.private_messages_for_user(user)
post_bookmarks = user
.bookmarks_of_type("Post")
.joins("INNER JOIN posts ON posts.id = bookmarks.bookmarkable_id AND bookmarks.bookmarkable_type = 'Post'")
.joins("LEFT JOIN topics ON topics.id = posts.topic_id")
.joins("LEFT JOIN topic_users ON topic_users.topic_id = topics.id")
.where("topic_users.user_id = ?", user.id)
guardian.filter_allowed_categories(
post_bookmarks.merge(topics.or(pms)).merge(Post.secured(guardian))
)
end,
search_query: lambda do |bookmarks, query, ts_query, &bookmarkable_search|
bookmarkable_search.call(
bookmarks.joins(
"LEFT JOIN post_search_data ON post_search_data.post_id = bookmarks.bookmarkable_id AND bookmarks.bookmarkable_type = 'Post'"
),
"#{ts_query} @@ post_search_data.search_data"
)
end,
preload_associations: [{ topic: [:topic_users, :tags] }, :user]
)
Bookmark.register_bookmarkable(
model: Topic,
serializer: UserTopicBookmarkSerializer,
list_query: lambda do |user, guardian|
topics = Topic.listable_topics.secured(guardian)
pms = Topic.private_messages_for_user(user)
topic_bookmarks = user
.bookmarks_of_type("Topic")
.joins("INNER JOIN topics ON topics.id = bookmarks.bookmarkable_id AND bookmarks.bookmarkable_type = 'Topic'")
.joins("LEFT JOIN topic_users ON topic_users.topic_id = topics.id")
.where("topic_users.user_id = ?", user.id)
guardian.filter_allowed_categories(topic_bookmarks.merge(topics.or(pms)))
end,
search_query: lambda do |bookmarks, query, ts_query, &bookmarkable_search|
bookmarkable_search.call(
bookmarks
.joins("LEFT JOIN posts ON posts.topic_id = topics.id AND posts.post_number = 1")
.joins("LEFT JOIN post_search_data ON post_search_data.post_id = posts.id"),
"#{ts_query} @@ post_search_data.search_data"
)
end,
preload_associations: [:topic_users, :tags, { posts: :user }]
)
end
reset_bookmarkables
def self.valid_bookmarkable_types
Bookmark.registered_bookmarkables.map(&:model).map(&:to_s)
end
belongs_to :user
belongs_to :post
has_one :topic, through: :post
belongs_to :bookmarkable, polymorphic: true
# TODO (martin) [POLYBOOK] Not relevant once polymorphic bookmarks are implemented.
def topic_id
return if SiteSetting.use_polymorphic_bookmarks
post.topic_id
end
def self.auto_delete_preferences
@auto_delete_preferences ||= Enum.new(
never: 0,
when_reminder_sent: 1,
on_owner_reply: 2,
clear_reminder: 3,
)
end
def self.select_type(bookmarks_relation, type)
bookmarks_relation.select { |bm| bm.bookmarkable_type == type }
end
# TODO (martin) [POLYBOOK] Not relevant once polymorphic bookmarks are implemented.
validate :unique_per_post_for_user,
on: [:create, :update],
if: Proc.new { |b| b.will_save_change_to_post_id? || b.will_save_change_to_user_id? }
# TODO (martin) [POLYBOOK] Not relevant once polymorphic bookmarks are implemented.
validate :for_topic_must_use_first_post,
on: [:create, :update],
if: Proc.new { |b| b.will_save_change_to_post_id? || b.will_save_change_to_for_topic? }
validate :polymorphic_columns_present, on: [:create, :update]
validate :valid_bookmarkable_type, on: [:create, :update]
validate :unique_per_bookmarkable,
on: [:create, :update],
if: Proc.new { |b|
b.will_save_change_to_bookmarkable_id? || b.will_save_change_to_bookmarkable_type? || b.will_save_change_to_user_id?
}
validate :ensure_sane_reminder_at_time, if: :will_save_change_to_reminder_at?
validate :bookmark_limit_not_reached
validates :name, length: { maximum: 100 }
def polymorphic_columns_present
return if !SiteSetting.use_polymorphic_bookmarks
return if self.bookmarkable_id.present? && self.bookmarkable_type.present?
self.errors.add(:base, I18n.t("bookmarks.errors.bookmarkable_id_type_required"))
end
def unique_per_bookmarkable
return if !SiteSetting.use_polymorphic_bookmarks
return if !Bookmark.exists?(user_id: user_id, bookmarkable_id: bookmarkable_id, bookmarkable_type: bookmarkable_type)
self.errors.add(:base, I18n.t("bookmarks.errors.already_bookmarked", type: bookmarkable_type))
end
# TODO (martin) [POLYBOOK] Not relevant once polymorphic bookmarks are implemented.
def unique_per_post_for_user
return if SiteSetting.use_polymorphic_bookmarks
exists = if is_for_first_post?
Bookmark.exists?(user_id: user_id, post_id: post_id, for_topic: for_topic)
else
Bookmark.exists?(user_id: user_id, post_id: post_id)
end
if exists
self.errors.add(:base, I18n.t("bookmarks.errors.already_bookmarked_post"))
end
end
# TODO (martin) [POLYBOOK] Not relevant once polymorphic bookmarks are implemented.
def for_topic_must_use_first_post
if !is_for_first_post? && self.for_topic
self.errors.add(:base, I18n.t("bookmarks.errors.for_topic_must_use_first_post"))
end
end
def ensure_sane_reminder_at_time
return if reminder_at.blank?
if reminder_at < Time.zone.now
self.errors.add(:base, I18n.t("bookmarks.errors.cannot_set_past_reminder"))
end
if reminder_at > 10.years.from_now.utc
self.errors.add(:base, I18n.t("bookmarks.errors.cannot_set_reminder_in_distant_future"))
end
end
def bookmark_limit_not_reached
return if user.bookmarks.count < SiteSetting.max_bookmarks_per_user
return if !new_record?
self.errors.add(
:base,
I18n.t(
"bookmarks.errors.too_many",
user_bookmarks_url: "#{Discourse.base_url}/my/activity/bookmarks",
limit: SiteSetting.max_bookmarks_per_user
)
)
end
def valid_bookmarkable_type
return if !SiteSetting.use_polymorphic_bookmarks
return if Bookmark.valid_bookmarkable_types.include?(self.bookmarkable_type)
self.errors.add(:base, I18n.t("bookmarks.errors.invalid_bookmarkable", type: self.bookmarkable_type))
end
# TODO (martin) [POLYBOOK] Not relevant once polymorphic bookmarks are implemented.
def is_for_first_post?
@is_for_first_post ||= new_record? ? Post.exists?(id: post_id, post_number: 1) : post.post_number == 1
end
def auto_delete_when_reminder_sent?
self.auto_delete_preference == Bookmark.auto_delete_preferences[:when_reminder_sent]
end
# TODO (martin) [POLYBOOK] This is only relevant for post/topic bookmarkables, need to
# think of a way to do this gracefully.
def auto_delete_on_owner_reply?
self.auto_delete_preference == Bookmark.auto_delete_preferences[:on_owner_reply]
end
def auto_clear_reminder_when_reminder_sent?
self.auto_delete_preference == Bookmark.auto_delete_preferences[:clear_reminder]
end
def reminder_at_ics(offset: 0)
(reminder_at + offset).strftime(I18n.t("datetime_formats.formats.calendar_ics"))
end
def clear_reminder!
update!(
reminder_last_sent_at: Time.zone.now,
reminder_set_at: nil,
)
end
scope :with_reminders, -> do
where("reminder_at IS NOT NULL")
end
scope :pending_reminders, ->(before_time = Time.now.utc) do
with_reminders.where("reminder_at <= ?", before_time).where(reminder_last_sent_at: nil)
end
scope :pending_reminders_for_user, ->(user) do
pending_reminders.where(user: user)
end
scope :for_user_in_topic, ->(user_id, topic_id) {
if SiteSetting.use_polymorphic_bookmarks
joins("LEFT JOIN posts ON posts.id = bookmarks.bookmarkable_id AND bookmarks.bookmarkable_type = 'Post'")
.joins("LEFT JOIN topics ON topics.id = bookmarks.bookmarkable_id AND bookmarks.bookmarkable_type = 'Topic'")
.where(
"bookmarks.user_id = :user_id AND (topics.id = :topic_id OR posts.topic_id = :topic_id)",
user_id: user_id, topic_id: topic_id
)
else
joins(:post).where(user_id: user_id, posts: { topic_id: topic_id })
end
}
def self.find_for_topic_by_user(topic_id, user_id)
if SiteSetting.use_polymorphic_bookmarks
find_by(user_id: user_id, bookmarkable_id: topic_id, bookmarkable_type: "Topic")
else
for_user_in_topic(user_id, topic_id).where(for_topic: true).first
end
end
def self.count_per_day(opts = nil)
opts ||= {}
result = where('bookmarks.created_at >= ?', opts[:start_date] || (opts[:since_days_ago] || 30).days.ago)
if opts[:end_date]
result = result.where('bookmarks.created_at <= ?', opts[:end_date])
end
if opts[:category_id]
result = result.joins(:topic).merge(Topic.in_category_and_subcategories(opts[:category_id]))
end
result.group('date(bookmarks.created_at)')
.order('date(bookmarks.created_at)')
.count
end
##
# Deletes bookmarks that are attached to posts/topics that were deleted
# more than X days ago. We don't delete bookmarks instantly when a post/topic
# is deleted so that there is a grace period to un-delete.
def self.cleanup!
grace_time = 3.days.ago
topics_deleted = DB.query(<<~SQL, grace_time: grace_time)
DELETE FROM bookmarks b
USING topics t, posts p
WHERE (t.id = p.topic_id AND b.post_id = p.id)
AND (t.deleted_at < :grace_time OR p.deleted_at < :grace_time)
RETURNING t.id AS topic_id
SQL
topics_deleted_ids = topics_deleted.map(&:topic_id).uniq
topics_deleted_ids.each do |topic_id|
Jobs.enqueue(:sync_topic_user_bookmarked, topic_id: topic_id)
end
end
end
# == Schema Information
#
# Table name: bookmarks
#
# id :bigint not null, primary key
# user_id :bigint not null
# post_id :bigint
# name :string(100)
# reminder_at :datetime
# created_at :datetime not null
# updated_at :datetime not null
# reminder_last_sent_at :datetime
# reminder_set_at :datetime
# auto_delete_preference :integer default(0), not null
# pinned :boolean default(FALSE)
# for_topic :boolean default(FALSE), not null
# bookmarkable_id :integer
# bookmarkable_type :string
#
# Indexes
#
# idx_bookmarks_user_polymorphic_unique (user_id,bookmarkable_type,bookmarkable_id) UNIQUE
# index_bookmarks_on_post_id (post_id)
# index_bookmarks_on_reminder_at (reminder_at)
# index_bookmarks_on_reminder_set_at (reminder_set_at)
# index_bookmarks_on_user_id (user_id)
# index_bookmarks_on_user_id_and_post_id_and_for_topic (user_id,post_id,for_topic) UNIQUE
#