discourse/app/models/bookmark.rb

157 lines
4.7 KiB
Ruby

# frozen_string_literal: true
class Bookmark < ActiveRecord::Base
BOOKMARK_LIMIT = 2000
self.ignored_columns = [
"delete_when_reminder_sent" # TODO(2021-07-22): remove
]
belongs_to :user
belongs_to :post
belongs_to :topic
def self.reminder_types
@reminder_types ||= Enum.new(
later_today: 1,
next_business_day: 2,
tomorrow: 3,
next_week: 4,
next_month: 5,
custom: 6,
start_of_next_business_week: 7,
later_this_week: 8
)
end
def self.auto_delete_preferences
@auto_delete_preferences ||= Enum.new(
never: 0,
when_reminder_sent: 1,
on_owner_reply: 2
)
end
validates :reminder_at, presence: {
message: I18n.t("bookmarks.errors.time_must_be_provided"),
if: -> { reminder_type.present? }
}
validate :unique_per_post_for_user
validate :ensure_sane_reminder_at_time
validate :bookmark_limit_not_reached
validates :name, length: { maximum: 100 }
# we don't care whether the post or topic is deleted,
# they hold important information about the bookmark
def post
Post.unscoped { super }
end
def topic
Topic.unscoped { super }
end
def unique_per_post_for_user
existing_bookmark = Bookmark.find_by(user_id: user_id, post_id: post_id)
return if existing_bookmark.blank? || existing_bookmark.id == id
self.errors.add(:base, I18n.t("bookmarks.errors.already_bookmarked_post"))
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 < BOOKMARK_LIMIT
self.errors.add(:base, I18n.t("bookmarks.errors.too_many", user_bookmarks_url: "#{Discourse.base_url}/my/activity/bookmarks"))
end
def no_reminder?
self.reminder_at.blank? && self.reminder_type.blank?
end
def auto_delete_when_reminder_sent?
self.auto_delete_preference == Bookmark.auto_delete_preferences[:when_reminder_sent]
end
def auto_delete_on_owner_reply?
self.auto_delete_preference == Bookmark.auto_delete_preferences[:on_owner_reply]
end
def clear_reminder!
update(
reminder_at: nil,
reminder_type: nil,
reminder_last_sent_at: Time.zone.now,
reminder_set_at: nil
)
end
scope :pending_reminders, ->(before_time = Time.now.utc) do
where("reminder_at IS NOT NULL AND reminder_at <= :before_time", before_time: before_time)
end
scope :pending_reminders_for_user, ->(user) do
pending_reminders.where(user: user)
end
def self.count_per_day(opts = nil)
opts ||= {}
result = where('bookmarks.created_at >= ?', opts[:start_date] || (opts[:since_days_ago] || 30).days.ago)
result = result.where('bookmarks.created_at <= ?', opts[:end_date]) if opts[:end_date]
result = result.joins(:topic).merge(Topic.in_category_and_subcategories(opts[:category_id])) if opts[:category_id]
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
DB.exec(<<~SQL, grace_time: grace_time)
DELETE FROM bookmarks b
USING topics t, posts p
WHERE (b.topic_id = t.id AND b.post_id = p.id)
AND (t.deleted_at < :grace_time OR p.deleted_at < :grace_time)
SQL
end
end
# == Schema Information
#
# Table name: bookmarks
#
# id :bigint not null, primary key
# user_id :bigint not null
# topic_id :bigint not null
# post_id :bigint not null
# name :string(100)
# reminder_type :integer
# 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
#
# Indexes
#
# 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_reminder_type (reminder_type)
# index_bookmarks_on_topic_id (topic_id)
# index_bookmarks_on_user_id (user_id)
# index_bookmarks_on_user_id_and_post_id (user_id,post_id) UNIQUE
#