Class: HaveAPI::Parameters::Typed

Inherits:
Object
  • Object
show all
Defined in:
lib/haveapi/parameters/typed.rb

Constant Summary collapse

ATTRIBUTES =
%i[label desc type db_name default fill clean protected load_validators nullable].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, args = {}) ⇒ Typed

Returns a new instance of Typed.



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# File 'lib/haveapi/parameters/typed.rb', line 10

def initialize(name, args = {})
  # The hash values are deleted and it shouldn't affect the received hash
  myargs = args.clone

  @name = name
  @label = myargs.delete(:label) || name.to_s.capitalize
  @layout = :custom

  (ATTRIBUTES - %i[label]).each do |attr|
    instance_variable_set("@#{attr}", myargs.delete(attr))
  end

  @type ||= String

  @validators = HaveAPI::ValidatorChain.new(myargs) unless myargs.empty?
  raise "unused arguments #{myargs}" unless myargs.empty?
end

Instance Attribute Details

#defaultObject (readonly)

Returns the value of attribute default.



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# File 'lib/haveapi/parameters/typed.rb', line 8

def default
  @default
end

#descObject (readonly)

Returns the value of attribute desc.



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# File 'lib/haveapi/parameters/typed.rb', line 8

def desc
  @desc
end

#labelObject (readonly)

Returns the value of attribute label.



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# File 'lib/haveapi/parameters/typed.rb', line 8

def label
  @label
end

#nameObject (readonly)

Returns the value of attribute name.



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# File 'lib/haveapi/parameters/typed.rb', line 8

def name
  @name
end

#typeObject (readonly)

Returns the value of attribute type.



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# File 'lib/haveapi/parameters/typed.rb', line 8

def type
  @type
end

Instance Method Details

#add_validator(k, v) ⇒ Object



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# File 'lib/haveapi/parameters/typed.rb', line 65

def add_validator(k, v)
  @validators ||= HaveAPI::ValidatorChain.new({})
  @validators.add_or_replace(k, v)
end

#clean(raw) ⇒ Object



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# File 'lib/haveapi/parameters/typed.rb', line 81

def clean(raw)
  return validate_cleaned_value(instance_exec(raw, &@clean)) if @clean

  if raw.nil?
    return nil if nullable?

    raise HaveAPI::ValidationError, 'cannot be null'
  end

  if raw.is_a?(String)
    stripped = strip_string(raw)
    return nil if stripped.empty? && nullable?
  end

  if @type.nil?
    nil

  elsif @type == Integer
    coerce_integer(raw)

  elsif @type == Float
    coerce_float(raw)

  elsif @type == Boolean
    coerce_boolean(raw)

  elsif @type == ::Datetime
    coerce_datetime(raw)

  elsif @type == String || @type == Text
    coerce_string(raw)

  else
    raw
  end
end

#db_nameObject



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# File 'lib/haveapi/parameters/typed.rb', line 28

def db_name
  @db_name || @name
end

#describe(context) ⇒ Object



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# File 'lib/haveapi/parameters/typed.rb', line 52

def describe(context)
  {
    required: required?,
    nullable: nullable?,
    label: @label,
    description: @desc,
    type: @type ? @type.to_s : String.to_s,
    validators: @validators ? @validators.describe : {},
    default: @default,
    protected: @protected || false
  }
end

#fill?Boolean

Returns:



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# File 'lib/haveapi/parameters/typed.rb', line 44

def fill?
  @fill
end

#format_output(v) ⇒ Object



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# File 'lib/haveapi/parameters/typed.rb', line 122

def format_output(v)
  if v.nil?
    nil

  elsif @type == ::Datetime && v.is_a?(Time)
    v.iso8601

  elsif @type == Boolean
    v ? true : false

  elsif @type == Integer
    v.to_i

  elsif @type == Float
    v.to_f

  elsif @type == String || @type == Text
    v.to_s

  else
    v
  end
end

#load_validators?Boolean

Returns:



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# File 'lib/haveapi/parameters/typed.rb', line 48

def load_validators?
  @load_validators.nil? || @load_validators
end

#nullable?Boolean

Returns:



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# File 'lib/haveapi/parameters/typed.rb', line 40

def nullable?
  @nullable == true && optional?
end

#optional?Boolean

Returns:



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# File 'lib/haveapi/parameters/typed.rb', line 36

def optional?
  !required?
end

#patch(attrs) ⇒ Object



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# File 'lib/haveapi/parameters/typed.rb', line 70

def patch(attrs)
  attrs.each do |k, v|
    if ATTRIBUTES.include?(k)
      instance_variable_set("@#{k}", v)

    else
      add_validator(k, v)
    end
  end
end

#required?Boolean

Returns:



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# File 'lib/haveapi/parameters/typed.rb', line 32

def required?
  @validators ? @validators.required? : false
end

#validate(v, params) ⇒ Object



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# File 'lib/haveapi/parameters/typed.rb', line 118

def validate(v, params)
  @validators ? @validators.validate(v, params) : true
end