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# Copyright (c) 2008-2013 Michael Dvorkin and contributors.
#
# Fat Free CRM is freely distributable under the terms of MIT license.
# See MIT-LICENSE file or http://www.opensource.org/licenses/mit-license.php
#------------------------------------------------------------------------------
module FatFreeCRM
module Sortable
def self.included(base)
base.extend(ClassMethods)
end
module ClassMethods
# Model class method to define sort options, for example:
# sortable :by => "first_name ASC"
# sortable :by => [ "first_name ASC", "last_name ASC" ]
# sortable :by => [ "first_name ASC", "last_name ASC" ], :default => "last_name ASC"
#--------------------------------------------------------------------------
def sortable(options = {})
cattr_accessor :sort_by, # Default sort order with prepended table name.
:sort_by_fields, # Array of fields to sort by without ASC/DESC.
:sort_by_clauses # A copy of sortable :by => ... stored as array.
self.sort_by_clauses = [options[:by]].flatten
self.sort_by_fields = sort_by_clauses.map(&:split).map(&:first)
self.sort_by = name.tableize + "." + (options[:default] || options[:by].first)
end
# Return hash that maps sort options to the actual :order strings, for example:
# "first_name" => "leads.first_name ASC",
# "last_name" => "leads.last_name ASC"
#--------------------------------------------------------------------------
def sort_by_map
Hash[
sort_by_fields.zip(sort_by_clauses).map do |field, clause|
[field, name.tableize + "." + clause]
end
]
end
end # ClassMethods
end
end
ActiveRecord::Base.send(:include, FatFreeCRM::Sortable)
Version data entries
7 entries across 7 versions & 2 rubygems