25 lines
700 B
Ruby
25 lines
700 B
Ruby
|
|
CouchRest::Design.class_eval do
|
|
|
|
# Calculate a checksum of the Design document. Used for ensuring the latest
|
|
# version has been sent to the database.
|
|
#
|
|
# This will generate an flatterned, ordered array of all the elements of the
|
|
# design document, convert to string then generate an MD5 Hash. This should
|
|
# result in a consisitent Hash accross all platforms.
|
|
#
|
|
def checksum
|
|
# create a copy of basic elements
|
|
base = self.dup
|
|
base.delete('_id')
|
|
base.delete('_rev')
|
|
result = nil
|
|
flatten =
|
|
lambda {|v|
|
|
v.is_a?(Hash) ? v.flatten.map{|v| flatten.call(v)}.flatten : v.to_s
|
|
}
|
|
Digest::MD5.hexdigest(flatten.call(base).sort.join(''))
|
|
end
|
|
|
|
end
|