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Versions: 9
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Contents
module ActiveData
module Model
module Associations
class Base
attr_accessor :owner, :reflection
delegate :macro, :collection?, to: :reflection
def initialize(owner, reflection)
@owner = owner
@reflection = reflection
@evar_loaded = owner.persisted?
reset
end
def reset
@loaded = false
@target = nil
end
def evar_loaded?
!!@evar_loaded
end
def loaded?
!!@loaded
end
def loaded!
@evar_loaded = true
@loaded = true
end
def target
return @target if loaded?
self.target = load_target
end
def reload
reset
target
end
def apply_changes!
apply_changes or raise ActiveData::AssociationChangesNotApplied
end
def callback(name, object)
evaluator = reflection.options[name]
return true unless evaluator
if evaluator.is_a?(Proc)
if evaluator.arity == 1
owner.instance_exec(object, &evaluator)
else
evaluator.call(owner, object)
end
else
owner.send(evaluator, object)
end
end
def transaction
data = read_source.deep_dup
yield
rescue StandardError => e
write_source data
reload
raise e
end
def inspect
"#<#{reflection.macro.to_s.camelize} #{target.inspect.truncate(50, omission: collection? ? '...]' : '...')}>"
end
private
def read_source
reflection.read_source owner
end
def write_source(value)
reflection.write_source owner, value
end
def target_for_inspect
if value.length > 50
"#{value[0..50]}...".inspect
else
value.inspect
end
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems