Sha256: 60cd4ec536b59c7a5f2d5210e0db2658050648d04c01af55a6e23b7d244b70e8
Contents?: true
Size: 1.31 KB
Versions: 6
Compression:
Stored size: 1.31 KB
Contents
module Amalgam
class ContentPersistence
def self.save(content)
records = prepare_records(content)
records.each do |key,record|
instance = record[:class].constantize.find(record[:id])
# merge only changed field of model
attrs = instance.attributes.slice(*record[:attributes].keys).deep_merge(record[:attributes])
instance.update_attributes(attrs)
end
end
def self.sanitize_content_key(key)
if r = %r{\A(?<type>[a-z_]+)/(?<id>[0-9a-z]+)\.(?<field>[0-9a-z_]+(\.[0-9a-z_]+)*)\z}.match(key.chomp.downcase)
cls = r[:type].classify
raise %{Illegal type "#{cls}"} unless Amalgam.type_whitelist.include?(cls)
[cls,r[:id],r[:field]]
else
raise %{Illegal content key "#{key}"}
end
end
def self.prepare_records(content)
records = {}
content.each do |content_key,content_value|
klass,id,field = sanitize_content_key(content_key)
record = records["#{klass}/#{id}"] ||= {
:class => klass,
:id => id,
:attributes => {}
}
# convert form 'field.sub1.sub2 = value' to '{field:{sub1:{sub2:value}}'
attribute = (field.split('.') << content_value['value']).reverse.reduce{|value,key| {key => value} }
record[:attributes].deep_merge!(attribute)
end
records
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems