Initial commit

lib/peatio/uuid.rb

@@ -0,0 +1,31 @@
+class UUID
+  class << self
+    def generate
+      SecureRandom.uuid
+    end
+
+    def validate(uuid)
+      uuid.match?(/\A[\da-f]{32}\z/i) || uuid.match?(/\A(urn:uuid:)?[\da-f]{8}-([\da-f]{4}-){3}[\da-f]{12}\z/i)
+    end
+  end
+
+  class Type < ActiveRecord::Type::Value
+    def deserialize(value)
+      return if value.nil?
+
+      value.unpack('H*').first.tap do |str|
+        [20, 16, 12, 8].each { |pos| str.insert(pos, '-') }
+      end
+    end
+
+    def serialize(value)
+      [ value.delete('-') ].pack('H*')
+    end
+
+    def quoted_id(value)
+      return if value.nil?
+
+      "x'#{value.unpack('H*').first}'"
+    end
+  end
+end