Sha256: 6a5768eb688d06d7102510f162bf29c8d55ea20ea8a6dec2aee3bb662520af11
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Size: 1.44 KB
Versions: 10
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Stored size: 1.44 KB
Contents
module Spontaneous
module DataMapper
module ContentModel
module ColumnAccessors
def self.included(model)
m = Module.new
model.columns.each do |column|
m.module_eval "def #{column}; _get_column_value(:#{column}) ; end", __FILE__, __LINE__
m.module_eval "def #{column}=(v); _set_column_value(:#{column}, v) ; end", __FILE__, __LINE__
end
model.send :include, m
end
def changed_columns
@changed_columns ||= []
end
def _set_column_value(column, value)
attrs = @attributes
if new? || !attrs.key?(column) || value != attrs[column]
_change_column_value(column, value)
end
end
alias_method :[]=, :_set_column_value
def _change_column_value(column, value)
_mark_columns_as_modified(column)
@attributes[column] = value
end
def _mark_columns_as_modified(*columns)
cc = changed_columns
columns.each { |c| cc << c unless cc.include?(c) }
end
def _get_column_value(column)
@attributes[column]
end
alias_method :[], :_get_column_value
def modified_attributes
cc = changed_columns
return @attributes.reject { |col, val| col == :id } if cc.empty? && @modified
@attributes.reject { |col, val| !cc.include?(col) }
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems