discourse/app/models/group.rb

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class Group < ActiveRecord::Base
has_many :category_groups
has_many :group_users
has_many :categories, through: :category_groups
has_many :users, through: :group_users
2013-05-06 00:49:56 -04:00
AUTO_GROUPS = {
:admins => 1,
:moderators => 2,
:staff => 3,
:trust_level_1 => 11,
:trust_level_2 => 12,
:trust_level_3 => 13,
:trust_level_4 => 14,
:trust_level_5 => 15
}
def self.trust_group_ids
(10..19).to_a
end
def self.refresh_automatic_group!(name)
id = AUTO_GROUPS[name]
unless group = self[name]
group = Group.new(name: name.to_s, automatic: true)
group.id = id
group.save!
end
real_ids = case name
when :admins
"SELECT u.id FROM users u WHERE u.admin = 't'"
when :moderators
"SELECT u.id FROM users u WHERE u.moderator = 't'"
when :staff
"SELECT u.id FROM users u WHERE u.moderator = 't' OR u.admin = 't'"
when :trust_level_1, :trust_level_2, :trust_level_3, :trust_level_4, :trust_level_5
"SELECT u.id FROM users u WHERE u.trust_level = #{id-10}"
end
extra_users = group.users.where("users.id NOT IN (#{real_ids})").select('users.id')
missing_users = GroupUser.joins("RIGHT JOIN (#{real_ids}) X ON X.id = user_id AND group_id = #{group.id}")
.where("user_id IS NULL")
.select("X.id")
group.group_users.where("user_id IN (#{extra_users.to_sql})").delete_all
missing_users.each do |u|
group.group_users.build(user_id: u.id)
end
group.save!
end
def self.refresh_automatic_groups!(*args)
args.each do |group|
refresh_automatic_group!(group)
end
end
def self.[](name)
raise ArgumentError, "unknown group" unless id = AUTO_GROUPS[name]
Group.where(id: id).first
end
def self.user_trust_level_change!(user_id, trust_level)
name = "trust_level_#{trust_level}".to_sym
GroupUser.where(group_id: trust_group_ids, user_id: user_id).delete_all
if group = Group[name]
group_users.build(user_id: user_id)
group_users.save!
else
refresh_automatic_group!(name)
end
end
def user_ids
users.select('users.id').map(&:id)
end
def self.builtin
Enum.new(:moderators, :admins, :trust_level_1, :trust_level_2)
end
def add(user)
self.users.push(user)
end
end