mirror of
https://github.com/codeninjasllc/discourse.git
synced 2024-12-12 00:31:48 -05:00
46 lines
1.3 KiB
Ruby
46 lines
1.3 KiB
Ruby
class Tag < ActiveRecord::Base
|
|
validates :name, presence: true, uniqueness: true
|
|
|
|
has_many :tag_users # notification settings
|
|
|
|
has_many :topic_tags, dependent: :destroy
|
|
has_many :topics, through: :topic_tags
|
|
|
|
has_many :category_tags, dependent: :destroy
|
|
has_many :categories, through: :category_tags
|
|
|
|
has_many :tag_group_memberships
|
|
has_many :tag_groups, through: :tag_group_memberships
|
|
|
|
def self.tags_by_count_query(opts={})
|
|
q = TopicTag.joins(:tag, :topic).group("topic_tags.tag_id, tags.name").order('count_all DESC')
|
|
q = q.limit(opts[:limit]) if opts[:limit]
|
|
q
|
|
end
|
|
|
|
def self.category_tags_by_count_query(category, opts={})
|
|
tags_by_count_query(opts).where("tags.id in (select tag_id from category_tags where category_id = ?)", category.id)
|
|
.where("topics.category_id = ?", category.id)
|
|
end
|
|
|
|
def self.top_tags(limit_arg=nil)
|
|
self.tags_by_count_query(limit: limit_arg || SiteSetting.max_tags_in_filter_list)
|
|
.count
|
|
.map {|name, count| name}
|
|
end
|
|
end
|
|
|
|
# == Schema Information
|
|
#
|
|
# Table name: tags
|
|
#
|
|
# id :integer not null, primary key
|
|
# name :string not null
|
|
# topic_count :integer default(0), not null
|
|
# created_at :datetime
|
|
# updated_at :datetime
|
|
#
|
|
# Indexes
|
|
#
|
|
# index_tags_on_name (name) UNIQUE
|
|
#
|