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Contents
module CommaHeaven
class Export
module Implementation
def export(options = {})
Export.new(self, scope(:find), options)
end
end
attr_accessor :klass, :current_scope, :options, :export, :limit
undef :id if respond_to?(:id)
def initialize(klass, current_scope, options = {})
self.klass = klass
self.current_scope = current_scope
self.options = options || {}
self.options.symbolize_keys!
self.export = self.options[:export] || {}
self.export.symbolize_keys!
self.limit = self.options[:limit]
end
def save(options = {})
all_options = self.options.merge(options)
csv_options = all_options.slice(*FasterCSV::DEFAULT_OPTIONS.keys)
tch_options = all_options.except(*FasterCSV::DEFAULT_OPTIONS.keys) # TCH means To Comma Heaven
klass.scoped(current_scope).to_comma_heaven(tch_options.symbolize_keys).to_csv(csv_options.symbolize_keys)
end
private
def method_missing(name, *args, &block)
case
when column_name?(name)
return OpenStruct.new(export[name].values.first) rescue OpenStruct.new({})
when association_name?(name)
return self.class.new(klass.reflect_on_association(name).klass, {}, export[name].values.first) rescue self.class.new(klass.reflect_on_association(name).klass, {}, {})
else
return super
end
end
def column_name?(value)
klass.column_names.include?(value.to_s)
end
def association_name?(value)
klass.reflect_on_all_associations.map(&:name).include?(value.to_sym)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems