Module: Dyndrop::V1::ModelMagic

Defined in:
lib/dyndrop/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/dyndrop/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/dyndrop/v1/model_magic.rb', line 87

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) unless write_only
  write_locations[name] = Array(opts[:write] || opts[:at] || name) unless read_only

  read_only_attributes << name if read_only

  self.guid_name = name if is_guid

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

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

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

    @guid = val if is_guid

    @manifest ||= {}

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

    write_to = read_only ? self.class.read_locations : self.class.write_locations

    put(val, @manifest, write_to[name])
  end

  private name if write_only
  private :"#{name}=" if read_only
end

#define_client_methods(klass = self) ⇒ Object 



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# File 'lib/dyndrop/v1/model_magic.rb', line 33

def define_client_methods(klass = self)
  singular = klass.object_name
  plural = klass.plural_object_name

  base_singular = klass.base_object_name
  base_plural = klass.plural_base_object_name

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

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

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

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

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

  on_client 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

#on_base_client(&blk) ⇒ Object 



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# File 'lib/dyndrop/v1/model_magic.rb', line 29

def on_base_client(&blk)
  BaseClientMethods.module_eval(&blk)
end

#on_client(&blk) ⇒ Object 



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# File 'lib/dyndrop/v1/model_magic.rb', line 25

def on_client(&blk)
  ClientMethods.module_eval(&blk)
end

#read_locations ⇒ Object 



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

def read_locations
  @read_locations ||= {}
end

#read_only_attributes ⇒ Object 



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

def read_only_attributes
  @read_only_attributes ||= []
end

#write_locations ⇒ Object 



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

def write_locations
  @write_locations ||= {}
end