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Contents
module Foobara
class DomainMapper
class NoDomainMapperFoundError < StandardError
attr_accessor :value, :from, :to, :has_value
def initialize(from, to, **opts)
valid_keys = [:value]
invalid_keys = opts.keys - [:value]
if invalid_keys.any?
# :nocov:
raise ArgumentError, "Invalid keys: #{invalid_keys.join(", ")}. expected one of: #{valid_keys.join(", ")}"
# :nocov:
end
if opts.key?(:value)
self.has_value = true
self.value = opts[:value]
end
self.from = from
self.to = to
super("No domain mapper found for #{value}. from: #{from}. to: #{to}.")
end
end
class Registry
class AmbiguousDomainMapperError < StandardError
attr_accessor :candidates, :from, :to
def initialize(from, to, candidates)
self.to = to
self.from = from
self.candidates = [*candidates].flatten
super("#{candidates.size} ambiguous candidates found.")
end
end
def register(mapper)
mappers << mapper
end
def lookup!(from: nil, to: nil, strict: false)
result = lookup(from:, to:, strict:)
result || raise(NoDomainMapperFoundError.new(from, to))
end
def lookup(from: nil, to: nil, strict: false)
candidates = mappers.select do |mapper|
mapper.applicable?(from, to)
end
if candidates.size > 1
raise AmbiguousDomainMapperError.new(from, to, candidates)
end
value = candidates.first
return value if value
unless strict
if from
lookup(from: nil, to:)
elsif to
lookup(from:, to: nil)
end
end
end
def mappers
@mappers ||= []
end
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems