Module: Alula::RelationshipAttributes
- Included in:
- Dealer, DealerAddress, DealerBranding, DealerPhone, DealerProgram, DealerSuspensionLog, Device, DeviceCellularStatus, DeviceEventLog, DeviceNotification, DeviceProgram, ReceiverGroup, Revision, Self, Station, User, UserAddress, UserPhone, UserPreferences, UserPushtoken, UserVideoProfile, VideoVerificationCamera
- Defined in:
- lib/alula/relationship_attributes.rb
Defined Under Namespace
Modules: InstanceMethods
Class Method Summary collapse
Instance Method Summary collapse
- #check_relationship!(possible_r) ⇒ Object
- #get_relationship(name) ⇒ Object
- #get_relationships ⇒ Object
-
#relationship(name, **opts) ⇒ Object
TODO: Walk the relationships and define methods to allow an instance to request a relationship with dot notation…
- #relationship_exists?(possible_r) ⇒ Boolean
Class Method Details
.extended(base) ⇒ Object
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# File 'lib/alula/relationship_attributes.rb', line 3 def self.extended(base) base.class_eval do @relationships = {} end base.include(InstanceMethods) end |
Instance Method Details
#check_relationship!(possible_r) ⇒ Object
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# File 'lib/alula/relationship_attributes.rb', line 56 def check_relationship!(possible_r) cleaned_relationship = Util.underscore(possible_r).to_sym unless self.relationship_exists?(cleaned_relationship) error = "Invalid relationship #{cleaned_relationship} for class #{self}. "\ "Please use one of #{get_relationships.keys.join(', ')}" raise Alula::InvalidRelationshipError.new(error) end cleaned_relationship end |
#get_relationship(name) ⇒ Object
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# File 'lib/alula/relationship_attributes.rb', line 45 def get_relationship(name) identifier = name.is_a?(Symbol) ? :name : :type relationship = get_relationships.find { |_key, opts| opts[identifier] == name } raise "Unknown relationship #{identifier} #{name} for class #{self}" unless relationship relationship.last end |
#get_relationships ⇒ Object
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# File 'lib/alula/relationship_attributes.rb', line 41 def get_relationships @relationships end |
#relationship(name, **opts) ⇒ Object
TODO: Walk the relationships and define methods to allow an instance to
request a relationship with dot notation... Dealer.fetch(id).devices, etc
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# File 'lib/alula/relationship_attributes.rb', line 12 def relationship(name, **opts) @relationships ||= {} @relationships[name] = opts.merge(name: name) # Define a getter for our relationship name instance_eval do define_method(name) do @related_models[name] end end if opts[:cardinality] == 'To-one' instance_eval do define_method("#{name}=") do |new_model| @related_models[name] = new_model end end elsif opts[:cardinality] == 'To-many' instance_eval do define_method("#{name}<<") do |new_model| @related_models[name] ||= ListObject.new(self.class) @related_models[name] << new_model end end end @relationships end |
#relationship_exists?(possible_r) ⇒ Boolean
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# File 'lib/alula/relationship_attributes.rb', line 52 def relationship_exists?(possible_r) get_relationships.keys.include?(possible_r.to_sym) end |