Sha256: b3bef783947b613c1b05076681c22b5f43e0ecf0248acfc2c9e560038994f738
Contents?: true
Size: 1.54 KB
Versions: 6
Compression:
Stored size: 1.54 KB
Contents
require 'active_support/core_ext/string/inflections.rb'
module VersionCake
class ExtractionStrategy
def extract(request)
version = execute(request)
if version.is_a?(Fixnum)
version
elsif version.is_a?(String) && /[0-9]+/.match(version)
version.to_i
else
nil
end
end
def version_key
VersionCake::Railtie.config.versioncake.version_key
end
def execute(request)
raise Exception, "ExtractionStrategy requires execute to be implemented"
end
def self.lookup(strategy)
case strategy
when String, Symbol
strategy_name = "#{strategy}_strategy".camelize
begin
VersionCake.const_get(strategy_name).new
rescue
raise Exception, "Unknown VersionCake extraction strategy #{strategy_name}"
end
when Proc
if strategy.arity == 1
VersionCake::CustomStrategy.new(strategy)
else
raise Exception, "Custom proc extraction strategy requires a single parameter"
end
when Object
if !strategy.methods.include?(:execute)
raise Exception, "Custom extraction strategy requires an execute method"
elsif strategy.method(:execute).arity != 1
raise Exception, "Custom extraction strategy requires an execute method with a single parameter"
else
VersionCake::CustomStrategy.new(strategy)
end
else
raise Exception, "Invalid extration strategy"
end
end
end
end
Version data entries
6 entries across 6 versions & 2 rubygems