Module: ApiEngineBase::ArgumentValidation::ClassMethods

Defined in:
app/services/api_engine_base/argument_validation/class_methods.rb

Constant Summary collapse

ON_ARGUMENT_VALIDATION = 
[
  DEFAULT_VALIDATION = :raise,
  :fail_early,
  :log,
]

Instance Method Summary collapse

Instance Method Details

#__existing_names ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 175

def __existing_names
  @__existing_names ||= []
end

#__stacked_type ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 171

def __stacked_type
  @__stacked_type ||= []
end

#at_least(count, name, required:, &block) ⇒ Object

Raises:



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 57

def at_least(count, name, required:, &block)
  raise ApiEngineBase::ServiceBase::CompositionValidationError, "Count must be greater than 0" if count < 1

  validation_proc = Proc.new do |input_count, keys|
    {
      message: "Expected at least #{count} keys assigned. Available keys",
      is_valid: (input_count >= count),
      requirement: "Validation Error: At least #{count} key(s) of #{keys} must be provided.",
    }
  end

  composition_validation_proc = Proc.new do
    keys = compositions[__stacked_type.last[:name]][:keys]
    if keys.length < count
      raise ApiEngineBase::ServiceBase::CompositionValidationError, "Composition configuration error. Key [#{name}] expects AT LEAST #{count} keys to create an instance. Only #{keys.length} is provided for the composition. Please add more keys or reduce the expectation"
    end
  end
  composition(name:, type: :at_least, required:, delegation: false, composition_validation_proc:, validation_proc:, &block)
end

#at_least_one(name, required:, &block) ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 77

def at_least_one(name, required:, &block)
  at_least(1, name, required:, &block)
end

#at_most(count, name, required:, &block) ⇒ Object

Raises:



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 43

def at_most(count, name, required:, &block)
  raise ApiEngineBase::ServiceBase::CompositionValidationError, "Count must be greater than 0" if count < 1

  validation_proc = Proc.new do |input_count, keys|
    {
      message: "Expected at most #{count} keys assigned",
      is_valid: (input_count <= count),
      requirement: "Validation Error: At most #{count} key(s) of #{keys} can be provided.",
    }
  end

  composition(name:, type: :at_most, required:, delegation: false, validation_proc:, &block)
end

#compose_exact(count, name, required:, delegation: false, &block) ⇒ Object

Raises:



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 21

def compose_exact(count, name, required:, delegation: false, &block)
  raise ApiEngineBase::ServiceBase::CompositionValidationError, "Count must be greater than 0" if count < 1

  validation_proc = Proc.new do |input_count, keys|

    language = (input_count > 1) ? "But more than #{count} did" : "But no key had a value"
    {
      message: "Expected [#{count}] of the keys to have a value assigned. #{language}",
      is_valid: (input_count == count),
      requirement: "Exactly #{count} key(s) of #{keys} must be provided.",
    }
  end

  composition_validation_proc = Proc.new do
    keys = compositions[__stacked_type.last[:name]][:keys]
    if keys.length < count
      raise ApiEngineBase::ServiceBase::CompositionValidationError, "Composition configuration error. Key [#{name}] expects EXACTLY #{count} keys to create an instance. Only #{keys.length} is provided for the composition. Please add more keys or reduce the expectation"
    end
  end
  composition(name:, type: :compose_exact, required:, delegation:, composition_validation_proc:, validation_proc:, &block)
end

#composition(name:, type:, required:, delegation:, validation_proc:, composition_validation_proc: nil, &block) ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 85

def composition(name:, type:, required:, delegation:, validation_proc:, composition_validation_proc: nil, &block)
  compositions[name] ||= { type:, name:, keys: [], required:, delegation:, validation_proc: }
  if __stacked_type.map { _1[:type] }.include?(type)
    raise ApiEngineBase::ServiceBase::NestedDuplicateTypeError, "Duplicate Nested type's are not allowed. #{type} composition was included more than once"
  end

  __stacked_type << { type:, name: }

  yield

  if composition_validation_proc
    composition_validation_proc.()
  end

  if __existing_names.include?(name)
    raise ApiEngineBase::ServiceBase::NameConflictError, "Name conflict for #{name}. Duplicated as a key"
  end

  __existing_names << name
  # returning from the yield...pop it from the stack.
  # This allows us to know the current depth of where we are in the nested stack
  __stacked_type.pop

  if delegation
    delegate name, to: :context
    delegate :"#{name}_key", to: :context
  end
end

#compositions ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 167

def compositions
  @compositions ||= {}
end

#on_argument_validation(set) ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 15

def on_argument_validation(set)
  raise "Must be one of #{ON_ARGUMENT_VALIDATION}" unless ON_ARGUMENT_VALIDATION.include?(set)

  @on_argument_validation = set
end

#on_argument_validation_assigned ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 11

def on_argument_validation_assigned
  @on_argument_validation ||= DEFAULT_VALIDATION
end

#one_of(name, required:, delegation: true, &block) ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 81

def one_of(name, required:, delegation: true, &block)
  compose_exact(1, name, required:, delegation:, &block)
end

#sensitive_params ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 159

def sensitive_params
  @sensitive_params ||= []
end

#validate(name, default: nil, length: false, matches: nil, is_a: nil, is_one: nil, lt: nil, lte: nil, eq: nil, gt: nil, gte: nil, delegation: true, sensitive: false, required: false) ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 114

def validate(name, default: nil, length: false, matches: nil, is_a: nil, is_one: nil, lt: nil, lte: nil, eq: nil, gt: nil, gte: nil, delegation: true, sensitive: false, required: false)
  if __existing_names.include?(name)
    raise ApiEngineBase::ServiceBase::NameConflictError, "Duplicate key name found. [#{name}] can only be defined once"
  end

  __existing_names << name

  if default
    if is_a
      if Array(is_a).none? { _1 === default }
        raise ApiEngineBase::ServiceBase::DefaultValueError, "Default value provided [#{default}] does not match any `is_a` value(s) of #{is_a}."
      end
    end

    if is_one
      if Array(is_one).none? { _1 == default }
        raise ApiEngineBase::ServiceBase::DefaultValueError, "Default value provided [#{default}] does not match any `is_one` value(s) of #{is_one}."
      end
    end
  end

  if __stacked_type.length > 0
    compositions[__stacked_type.last[:name]][:keys] << name
  end

  validate_params << {
    name:,
    is_a:,
    lt:,
    lte:,
    eq:,
    gt:,
    gte:,
    length:,
    required:,
    is_one:,
    default:,
  }
  sensitive_params << name if sensitive

  if delegation
    delegate name, to: :context
  end
end

#validate_params ⇒ Object 



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# File 'app/services/api_engine_base/argument_validation/class_methods.rb', line 163

def validate_params
  @validate_params ||= []
end