Sha256: a1546300c9355a733a4e8ecc46638f3e77c5e8d6eeca933e1d352ab8f1bdf78f
Contents?: true
Size: 1003 Bytes
Versions: 18
Compression:
Stored size: 1003 Bytes
Contents
module CompositePrimaryKeys
ID_SEP = ','
ID_SET_SEP = ';'
module ArrayExtension
def to_composite_keys
CompositeKeys.new(self)
end
end
def self.normalize(ids)
ids.map do |id|
if id.is_a?(Array)
normalize(id)
elsif id.is_a?(String) && id.index(ID_SEP)
id.split(ID_SEP)
else
id
end
end
end
class CompositeKeys < Array
def self.parse(value)
case value
when Array
value.to_composite_keys
when String
self.new(value.split(ID_SEP))
else
raise(ArgumentError, "Unsupported type: #{value}")
end
end
def in(other)
case other
when Arel::SelectManager
Arel::Nodes::In.new(self, other.ast)
end
end
def to_s
# Doing this makes it easier to parse Base#[](attr_name)
join(ID_SEP)
end
end
end
Array.send(:include, CompositePrimaryKeys::ArrayExtension)
Version data entries
18 entries across 18 versions & 1 rubygems