class RelateIQ::RiqObject
Attributes
api_key[RW]
values[RW]
Public Class Methods
construct_from(values, api_key=nil)
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# File lib/relateiq/riq_object.rb, line 45 def self.construct_from(values, api_key=nil) obj = self.new(values[:id], api_key) obj.refresh_from(values, api_key) obj end
new(id=nil, api_key=nil)
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# File lib/relateiq/riq_object.rb, line 8 def initialize(id=nil, api_key=nil) # parameter overloading! if id.kind_of?(Hash) @retrieve_options = id.dup @retrieve_options.delete(:id) id = id[:id] else @retrieve_options = {} end @api_key = api_key @values = {} # This really belongs in APIResource, but not putting it there allows us # to have a unified inspect method @unsaved_values = Set.new @transient_values = Set.new @values[:id] = id if id end
Public Instance Methods
add_accessors(keys)
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# File lib/relateiq/riq_object.rb, line 60 def add_accessors(keys) metaclass.instance_eval do keys.each do |k| next if @@permanent_attributes.include?(k) k_eq = :"#{k}=" #define_method(k) { @values[k] } define_method(k_eq) do |v| if v == "" raise ArgumentError.new( "You cannot set #{k} to an empty string." + "We interpret empty strings as nil in requests." + "You may set #{self}.#{k} = nil to delete the property.") end @values[k.to_sym] = v end end end end
inspect()
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# File lib/relateiq/riq_object.rb, line 51 def inspect() id_string = (self.respond_to?(:id) && !self.id.nil?) ? " id=#{self.id}" : "" "#<#{self.class}:0x#{self.object_id.to_s(16)}#{id_string}> JSON: " + JSON.pretty_generate(@values) end
metaclass()
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# File lib/relateiq/riq_object.rb, line 56 def metaclass class << self; self; end end
method_missing(name, *args)
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# File lib/relateiq/riq_object.rb, line 79 def method_missing(name, *args) # TODO: only allow setting in updateable classes. if name.to_s.end_with?('=') attr = name.to_s[0...-1].to_sym # Set the value if it's not a permanent attribute if @@permanent_attributes.include?(k) raise NoMethodError.new("Cannot set #{attr} on this object. HINT: you can't set: #{@@permanent_attributes.to_a.join(', ')}") else add_accessors([attr]) end else return @values[name] end begin # Let's not get all crazy now nil #super rescue NoMethodError => e if @transient_values.include?(name) raise NoMethodError.new(e.message + ". HINT: The '#{name}' attribute was set in the past, however. It was then wiped when refreshing the object with the result returned by Stripe's API, probably as a result of a save(). The attributes currently available on this object are: #{@values.keys.join(', ')}") else raise end end end
refresh_from(values)
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# File lib/relateiq/riq_object.rb, line 27 def refresh_from(values) @previous_metadata = values[:metadata] removed = Set.new(@values.keys - values.keys) added = Set.new(values.keys - @values.keys) # Wipe old state before setting new. This is useful for e.g. updating a # customer, where there is no persistent card parameter. Mark those values # which don't persist as transient instance_eval do add_accessors(added) end values.each do |k, v| @values[k.to_sym] = v end self end
respond_to_missing?(symbol, include_private = false)
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# File lib/relateiq/riq_object.rb, line 106 def respond_to_missing?(symbol, include_private = false) @values.has_key?(symbol.to_sym) || nil end