Module: Alula::ResourceAttributes

Included in:
BillingProgram, Dealer, DealerAccountTransfer, DealerAddress, DealerBranding, DealerPhone, DealerProgram, DealerSuspensionLog, Device, DeviceAlias, DeviceCellularStatus, DeviceCharge, DeviceCredit, DeviceEventLog, DeviceProgram, EventTrigger, EventWebhook, FeatureBySubject, FeaturePlan, FeaturePlanVideo, FeaturePrice, OAuthClient, ObjectField, ReceiverConnection, ReceiverDisabled, ReceiverGroup, Revision, Self, Station, User, UserAddress, UserPhone, UserPreferences, UserPushtoken, UserVideoProfile, Video::BaseResource
Defined in:
lib/alula/resource_attributes.rb

Defined Under Namespace

Modules: InstanceMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(base) ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 4

def self.extended(base)
  base.class_eval do
    @resource_path = nil
    @type = nil
    @http_methods = []
    @fields = {}

    def mark_dirty(field_name, old_value, new_value)
      @dirty_attributes << field_name if old_value != new_value
    end
  end
  base.include(InstanceMethods)
end

Instance Method Details

#date_fields ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 115

def date_fields
  get_fields.each_pair.each_with_object([]) do |(field_name, opts), collector|
    collector << field_name if opts[:type].to_sym == :date
  end
end

#field(field_name, **opts) ⇒ Object

Memoizes field names and options



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# File 'lib/alula/resource_attributes.rb', line 50

def field(field_name, **opts)
  @fields ||= {}
  @fields[field_name] = opts

  self.instance_eval do
    jsonKey = Util.camelize(field_name)

    # Reader method for attribute
    define_method(field_name) do
      value = @values[jsonKey]

      if opts[:type] == :date && ![nil, ''].include?(value)
        begin
          DateTime.parse(value)
        rescue ArgumentError
          value
        end
      elsif opts[:type] == :object && opts[:use] && !value.nil? && value.respond_to?(:each)
        opts[:use].new(@dirty_attributes, field_name, value)
      elsif opts[:type] == :boolean
        [true, 'true', 1, '1'].include? value
      elsif opts[:symbolize] == true
        # API sends a camelCase string; provide symbol to Client
        value ? Util.underscore(value).to_sym : nil
      elsif opts[:hex_convert_required] == true
        Util.convert_hex_crc?(self.program_id) ? value.to_s(16) : value
      else
        value
      end
    end

    # Setter method
    define_method("#{field_name}=") do |new_value|
      #
      # Coerce 'blank like' fields into a defined blank value
      # This helps HTML form submissions. A blank text field comes through as an
      # empty string, instead of a nil as the API validates for.
      new_value = nil if new_value == ''

      if opts[:symbolize] == true
        # Client provides a symbol; send camelCase string to API
        new_value = Util.camelize(new_value.to_s)
      elsif opts[:type] == :boolean
        new_value = [true, 'true', 1, '1'].include? new_value
      end

      # Mark the attribute as dirty if the new value is different
      mark_dirty(field_name, @values[jsonKey], new_value)
      #
      # Assign the new value (always assigned even if a duplicate)
      @values[jsonKey] = new_value
    end
  end
end

#field_names ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 133

def field_names
  get_fields.keys
end

#filterable_fields ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 121

def filterable_fields
  get_fields.each_pair.each_with_object([]) do |(field_name, opts), collector|
    collector << field_name if opts[:filterable] == true
  end
end

#get_fields ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 105

def get_fields
  @fields
end

#get_http_methods ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 44

def get_http_methods
  @http_methods
end

#get_resource_path(id = nil) ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 27

def get_resource_path(id = nil)
  return "#{@resource_path}/#{id}" if id
  @resource_path
end

#get_type ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 36

def get_type
  @type
end

#http_methods(methods) ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 40

def http_methods(methods)
  @http_methods = methods
end

#param_key ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 137

def param_key
  self.name.gsub('::', '_').downcase
end

#read_only_attributes(record_persisted = false) ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 109

def read_only_attributes(record_persisted = false)
  get_fields.each_pair.each_with_object([]) do |(field_name, opts), collector|
    collector << field_name if !field_patchable?(opts, record_persisted)
  end
end

#resource_path(name) ⇒ Object

Class methods for defining how fields and types work NOTE: We’re not using real getters and setters here. I want the method signature

to match how most other Ruby class configuration is done, and that is with
simple methods that take params.



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# File 'lib/alula/resource_attributes.rb', line 23

def resource_path(name)
  @resource_path = name
end

#sortable_fields ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 127

def sortable_fields
  get_fields.each_pair.each_with_object([]) do |(field_name, opts), collector|
    collector << field_name if opts[:sortable] == true
  end
end

#type(type) ⇒ Object 



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# File 'lib/alula/resource_attributes.rb', line 32

def type(type)
  @type = type
end