Contents

#--
# Copyright (c) 2010-2011 Peter Horn, Provideal GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#++

# We monkey patch ActiveRecord::Base to add a function for finding using
# the information of the params hash as created by a Tabulatr table
if Object.const_defined? "ActiveRecord"
  class ActiveRecord::Base
    def self.find_for_table(params, opts={}, &block)
      Tabulatr::Finder.find_for_table(self, params, opts, &block)
    end

    def self.tabulatr_name_mapping(name_mapping_hash)
      tabulatr_name_mappings.merge! name_mapping_hash
    end

    def self.tabulatr_name_mappings
      @tabulatr_name_mappings ||= {}
    end

    def self.tabulatr_select_attributes(more={})
      maps = tabulatr_name_mappings.merge(more)
      return nil if maps.blank?
       "#{table_name}.*, " + maps.map do |name, mapping|
        %{#{mapping} AS "#{name}"}
      end.join(", ")
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
tabulatr2-0.6.0	lib/initializers/active_record.rb