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Versions: 10
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Contents
module Para
module AttributeField
class RelationField < AttributeField::Base
private
def reflection
@reflection ||= model.reflect_on_association(name)
end
def foreign_key
@foreign_key ||= reflection && case reflection.macro
when :belongs_to then reflection.foreign_key
when :has_one then :"#{ reflection.name }_id"
when :has_many then :"#{ reflection.name.to_s.singularize }_ids"
end
end
def resource_name(resource)
Para.config.resource_name_methods.each do |method|
return resource.send(method) if resource.respond_to?(method)
end
model_name = resource.class.model_name.human
"#{ model_name } - #{ resource.id }"
end
# Takes an array of ids and a block. Check for each id if model exists
# and create one if not. E.g: [12, "foo"] will try to create a model with
# 'foo'
def on_the_fly_creation ids, &block
Array.wrap(ids).each do |id|
if !reflection.klass.exists?(id: id)
resource = reflection.klass.new
Para.config.resource_name_methods.each do |method_name|
setter_name = :"#{ method_name }="
if resource.respond_to?(setter_name)
resource.send(setter_name, id)
if resource.save
block.call(resource, id)
break
end
end
end
end
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems