Class: GraphQL::Schema::Argument

Inherits:
Object
  • Object
show all
Includes:
Member::AcceptsDefinition, Member::CachedGraphQLDefinition, Member::HasPath
Defined in:
lib/graphql/schema/argument.rb

Constant Summary collapse

NO_DEFAULT = 
:__no_default__

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Member::HasPath

#path

Methods included from Member::CachedGraphQLDefinition

#graphql_definition, #initialize_copy

Constructor Details

#initialize(arg_name = nil, type_expr = nil, desc = nil, required:, type: nil, name: nil, description: nil, default_value: NO_DEFAULT, as: nil, camelize: true, prepare: nil, owner:, &definition_block) ⇒ Argument 



33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
 
# File 'lib/graphql/schema/argument.rb', line 33

def initialize(arg_name = nil, type_expr = nil, desc = nil, required:, type: nil, name: nil, description: nil, default_value: NO_DEFAULT, as: nil, camelize: true, prepare: nil, owner:, &definition_block)
  arg_name ||= name
  @name = camelize ? Member::BuildType.camelize(arg_name.to_s) : arg_name.to_s
  @type_expr = type_expr || type
  @description = desc || description
  @null = !required
  @default_value = default_value
  @owner = owner
  @as = as
  @keyword = as || Schema::Member::BuildType.underscore(@name).to_sym
  @prepare = prepare

  if definition_block
    if definition_block.arity == 1
      instance_exec(self, &definition_block)
    else
      instance_eval(&definition_block)
    end
  end
end

Instance Attribute Details

#default_value ⇒ Object (readonly) 



55
56
57
 
# File 'lib/graphql/schema/argument.rb', line 55

def default_value
  @default_value
end

#description(text = nil) ⇒ String 



65
66
67
68
69
70
71
 
# File 'lib/graphql/schema/argument.rb', line 65

def description(text = nil)
  if text
    @description = text
  else
    @description
  end
end

#keyword ⇒ Symbol (readonly) 



22
23
24
 
# File 'lib/graphql/schema/argument.rb', line 22

def keyword
  @keyword
end

#name ⇒ String (readonly) Also known as: graphql_name 



12
13
14
 
# File 'lib/graphql/schema/argument.rb', line 12

def name
  @name
end

#owner ⇒ GraphQL::Schema::Field, Class (readonly) 



16
17
18
 
# File 'lib/graphql/schema/argument.rb', line 16

def owner
  @owner
end

#prepare ⇒ Symbol (readonly) 



19
20
21
 
# File 'lib/graphql/schema/argument.rb', line 19

def prepare
  @prepare
end

Instance Method Details

#accessible?(context) ⇒ Boolean 



77
78
79
 
# File 'lib/graphql/schema/argument.rb', line 77

def accessible?(context)
  true
end

#authorized?(obj, ctx) ⇒ Boolean 



81
82
83
 
# File 'lib/graphql/schema/argument.rb', line 81

def authorized?(obj, ctx)
  true
end

#default_value? ⇒ Boolean 



58
59
60
 
# File 'lib/graphql/schema/argument.rb', line 58

def default_value?
  @default_value != NO_DEFAULT
end

#prepare_value(obj, value) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Apply the #prepare configuration to value, using methods from obj. Used by the runtime.



107
108
109
110
111
112
113
114
115
116
117
 
# File 'lib/graphql/schema/argument.rb', line 107

def prepare_value(obj, value)
  if @prepare.nil?
    value
  elsif @prepare.is_a?(String) || @prepare.is_a?(Symbol)
    obj.public_send(@prepare, value)
  elsif @prepare.respond_to?(:call)
    @prepare.call(value, obj.context)
  else
    raise "Invalid prepare for #{@owner.name}.name: #{@prepare.inspect}"
  end
end

#to_graphql ⇒ Object 



85
86
87
88
89
90
91
92
93
94
95
96
 
# File 'lib/graphql/schema/argument.rb', line 85

def to_graphql
  argument = GraphQL::Argument.new
  argument.name = @name
  argument.type = -> { type }
  argument.description = @description
  argument.metadata[:type_class] = self
  argument.as = @as
  if NO_DEFAULT != @default_value
    argument.default_value = @default_value
  end
  argument
end

#type ⇒ Object 



98
99
100
101
102
 
# File 'lib/graphql/schema/argument.rb', line 98

def type
  @type ||= Member::BuildType.parse_type(@type_expr, null: @null)
rescue StandardError => err
  raise ArgumentError, "Couldn't build type for Argument #{@owner.name}.#{name}: #{err.class.name}: #{err.message}", err.backtrace
end

#visible?(context) ⇒ Boolean 



73
74
75
 
# File 'lib/graphql/schema/argument.rb', line 73

def visible?(context)
  true
end