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Versions: 11
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Stored size: 1.92 KB
Contents
module Cms
class Tag < ActiveRecord::Base
has_many :taggings, :class_name => 'Cms::Tagging'
extend DefaultAccessible
include Concerns::IgnoresPublishing
validates_uniqueness_of :name
attr_accessor :size
is_searchable
has_content_type :module => :categorization
def self.named(tag)
where(name: tag)
end
# Returns an array of tags with a #count attribute
#
# @return [Array] Each element of the area contains [Id (Integer), Name (String), count (Integer)] (with Sqlite3 anyway)
def self.counts()
select("#{table_name}.id, #{table_name}.name, count(#{table_name}.id) as count")
.joins(:taggings)
.group("#{table_name}.id, #{table_name}.name")
.order("count desc, #{table_name}.name")
end
# Returns an array of tags with a size attribute
# This takes the same arguments as find, plus the additional `:sizes` option,
# which contols the number of sizes the tag cloud will have.
# The default number of sizes is 5.
def self.cloud(options={})
sizes = (options.delete(:sizes) || 5) - 1
sizes = 1 if sizes < 1
tags = counts.limit(sizes)
return [] if tags.blank?
min = nil
max = nil
tags.each do |t|
t.count = t.count.to_i
min = t.count if (min.nil? || t.count < min)
max = t.count if (max.nil? || t.count > min)
end
divisor = ((max - min) / sizes) + 1
tags.each do |t|
t.size = ("%1.0f" % (t.count * 1.0 / divisor)).to_i
end
tags
end
def tagging_count
taggings.count
end
def self.columns_for_index
[{:label => "Name", :method => :name, :order => "name"},
{:label => "Usages", :method => :tagging_count},
{:label => "Updated On", :method => :updated_on_string, :order => "updated_at"}]
end
def render
@taggings = @content_block.taggings.paginate(:page => params[:page])
end
end
end
Version data entries
11 entries across 11 versions & 2 rubygems