Class: ViewModel::Schemas

Inherits:

Object

• Object
• ViewModel::Schemas

Defined in:

lib/view_model/schemas.rb

Constant Summary

ID_SCHEMA =

{ 'oneOf' => [{ 'type' => 'integer' },
{ 'type' => 'string', 'format' => 'uuid' },] }.freeze

ID =

JsonSchema.parse!(ID_SCHEMA)

VIEWMODEL_UPDATE_SCHEMA =

{
  'type'        => 'object',
  'description' => 'viewmodel update',
  'properties'  => { ViewModel::TYPE_ATTRIBUTE    => { 'type' => 'string' },
                     ViewModel::ID_ATTRIBUTE      => ID_SCHEMA,
                     ViewModel::NEW_ATTRIBUTE     => { 'type' => 'boolean' },
                     ViewModel::VERSION_ATTRIBUTE => { 'type' => 'integer' } },
  'required'    => [ViewModel::TYPE_ATTRIBUTE],
}.freeze

VIEWMODEL_UPDATE =

JsonSchema.parse!(VIEWMODEL_UPDATE_SCHEMA)

VIEWMODEL_REFERENCE_SCHEMA =

{
  'type'                 => 'object',
  'description'          => 'viewmodel shared reference',
  'properties'           => { ViewModel::REFERENCE_ATTRIBUTE => { 'type' => 'string' } },
  'additionalProperties' => false,
  'required'             => [ViewModel::REFERENCE_ATTRIBUTE],
}.freeze

VIEWMODEL_REFERENCE =

JsonSchema.parse!(VIEWMODEL_REFERENCE_SCHEMA)

BULK_UPDATE_SCHEMA =

{
  'type'                 => 'object',
  'description'          => 'bulk update collection',
  'properties'           => {
    ViewModel::TYPE_ATTRIBUTE => {
      'type' => 'string',
      'enum' => [ViewModel::BULK_UPDATE_TYPE],
    },

    ViewModel::BULK_UPDATES_ATTRIBUTE => {
      'type'  => 'array',
      'items' => {
        'type'                 => 'object',
        'properties'           => {
          ViewModel::ID_ATTRIBUTE => ID_SCHEMA,

          # These will be checked by the main deserialize operation. Any operations on the data
          # before the main serialization must do its own checking of the presented update data.

          ViewModel::BULK_UPDATE_ATTRIBUTE => {
            'oneOf' => [
              { 'type' => 'array' },
              { 'type' => 'object' },
            ]
          },
        },
        'additionalProperties' => false,
        'required'             => [
          ViewModel::ID_ATTRIBUTE,
          ViewModel::BULK_UPDATE_ATTRIBUTE,
        ],
      },
    }
  },
  'additionalProperties' => false,
  'required'             => [
    ViewModel::TYPE_ATTRIBUTE,
    ViewModel::BULK_UPDATES_ATTRIBUTE,
  ],
}.freeze

BULK_UPDATE =

JsonSchema.parse!(BULK_UPDATE_SCHEMA)

Class Method Summary

• .verify_schema!(schema, value) ⇒ Object

Class Method Details

.verify_schema!(schema, value) ⇒ Object

# File 'lib/view_model/schemas.rb', line 86

def self.verify_schema!(schema, value)
  valid, errors = schema.validate(value)
  unless valid
    error_list = errors.map { |e| "#{e.pointer}: #{e.message}" }.join("\n")
    errors     = 'Error'.pluralize(errors.length)
    raise ViewModel::DeserializationError::InvalidSyntax.new("#{errors} parsing #{schema.description}:\n#{error_list}")
  end
end