Module: CFoundry::V1::ModelMagic

Included in:
Model
Defined in:
lib/cfoundry/v1/model_magic.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#guid_name ⇒ Object

Returns the value of attribute guid_name.



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# File 'lib/cfoundry/v1/model_magic.rb', line 11

def guid_name
  @guid_name
end

Instance Method Details

#attribute(name, type, opts = {}) ⇒ Object 



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# File 'lib/cfoundry/v1/model_magic.rb', line 75

def attribute(name, type, opts = {})
  default = opts[:default]
  is_guid = opts[:guid]
  read_only = opts[:read_only]
  write_only = opts[:write_only]
  has_default = opts.key?(:default)

  read_locations[name] = Array(opts[:read] || opts[:at] || name)
  write_locations[name] = Array(opts[:write] || opts[:at] || name)

  self.guid_name = name if is_guid

  unless write_only
    define_method(name) do
      return @guid if @guid && is_guid

      read = read_manifest
      read.key?(name) ? read[name] : default
    end
  end

  return if read_only

  define_method(:"#{name}=") do |val|
    unless has_default && val == default
      CFoundry::Validator.validate_type(val, type)
    end

    @guid = val if is_guid

    @manifest ||= {}

    old = read_manifest[name]
    @changes[name] = [old, val] if old != val

    put(val, @manifest, self.class.write_locations[name])
  end
end

#define_client_methods(klass = self) ⇒ Object 



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# File 'lib/cfoundry/v1/model_magic.rb', line 21

def define_client_methods(klass = self)
  singular = klass.object_name
  plural = :"#{singular}s"

  base_singular = klass.base_object_name
  base_plural = :"#{base_singular}s"

  BaseClientMethods.module_eval do
    define_method(base_singular) do |guid|
      get(base_plural, guid, :accept => :json)
    end

    define_method(:"create_#{base_singular}") do |payload|
      post(payload, base_plural, :content => :json, :accept => :json)
    end

    define_method(:"delete_#{base_singular}") do |guid|
      delete(base_plural, guid)
      true
    end

    define_method(:"update_#{base_singular}") do |guid, payload|
      put(payload, base_plural, guid, :content => :json)
    end

    define_method(base_plural) do |*args|
      get(base_plural, :accept => :json)
    end
  end

  ClientMethods.module_eval do
    if klass.guid_name
      define_method(:"#{singular}_by_#{klass.guid_name}") do |guid|
        obj = send(singular, guid)
        obj if obj.exists?
      end
    end

    define_method(singular) do |*args|
      guid, _ = args
      klass.new(guid, self)
    end

    define_method(plural) do |*args|
      options, _ = args
      options ||= {}

      @base.send(base_plural).collect do |json|
        klass.new(json[klass.guid_name], self, json)
      end
    end
  end
end

#read_locations ⇒ Object 



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# File 'lib/cfoundry/v1/model_magic.rb', line 13

def read_locations
  @read_locations ||= {}
end

#write_locations ⇒ Object 



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# File 'lib/cfoundry/v1/model_magic.rb', line 17

def write_locations
  @write_locations ||= {}
end