97 lines
3.0 KiB
Ruby
97 lines
3.0 KiB
Ruby
class CategoryUser < ActiveRecord::Base
|
|
belongs_to :category
|
|
belongs_to :user
|
|
|
|
def self.lookup(user, level)
|
|
self.where(user: user, notification_level: notification_levels[level])
|
|
end
|
|
|
|
def self.lookup_by_category(user, category)
|
|
self.where(user: user, category: category)
|
|
end
|
|
|
|
# same for now
|
|
def self.notification_levels
|
|
TopicUser.notification_levels
|
|
end
|
|
|
|
def self.auto_track_new_topic(topic)
|
|
apply_default_to_topic(
|
|
topic,
|
|
TopicUser.notification_levels[:tracking],
|
|
TopicUser.notification_reasons[:auto_track_category]
|
|
)
|
|
end
|
|
|
|
def self.auto_watch_new_topic(topic)
|
|
apply_default_to_topic(
|
|
topic,
|
|
TopicUser.notification_levels[:watching],
|
|
TopicUser.notification_reasons[:auto_watch_category]
|
|
)
|
|
end
|
|
|
|
def self.batch_set(user, level, category_ids)
|
|
records = CategoryUser.where(user: user, notification_level: notification_levels[level])
|
|
old_ids = records.pluck(:category_id)
|
|
|
|
category_ids = Category.where('id in (?)', category_ids).pluck(:id)
|
|
|
|
remove = (old_ids - category_ids)
|
|
if remove.present?
|
|
records.where('category_id in (?)', remove).destroy_all
|
|
end
|
|
|
|
(category_ids - old_ids).each do |id|
|
|
CategoryUser.create!(user: user, category_id: id, notification_level: notification_levels[level])
|
|
end
|
|
end
|
|
|
|
def self.set_notification_level_for_category(user, level, category_id)
|
|
record = CategoryUser.where(user: user, category_id: category_id).first
|
|
# oder CategoryUser.where(user: user, category_id: category_id).destroy_all
|
|
# und danach mir create anlegen.
|
|
|
|
if record.present?
|
|
record.notification_level = level
|
|
record.save!
|
|
else
|
|
CategoryUser.create!(user: user, category_id: category_id, notification_level: level)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def self.apply_default_to_topic(topic, level, reason)
|
|
# Can not afford to slow down creation of topics when a pile of users are watching new topics, reverting to SQL for max perf here
|
|
sql = <<SQL
|
|
INSERT INTO topic_users(user_id, topic_id, notification_level, notifications_reason_id)
|
|
SELECT user_id, :topic_id, :level, :reason
|
|
FROM category_users
|
|
WHERE notification_level = :level AND
|
|
category_id = :category_id AND
|
|
NOT EXISTS(SELECT 1 FROM topic_users WHERE topic_id = :topic_id AND user_id = category_users.user_id)
|
|
SQL
|
|
|
|
exec_sql(
|
|
sql,
|
|
topic_id: topic.id,
|
|
category_id: topic.category_id,
|
|
level: level,
|
|
reason: reason
|
|
|
|
)
|
|
end
|
|
|
|
end
|
|
|
|
# == Schema Information
|
|
#
|
|
# Table name: category_users
|
|
#
|
|
# id :integer not null, primary key
|
|
# category_id :integer not null
|
|
# user_id :integer not null
|
|
# notification_level :integer not null
|
|
#
|