Class: GraphqlMigrateExecution::FieldDefinition

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql_migrate_execution/field_definition.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type_definition, name, node) ⇒ FieldDefinition

Returns a new instance of FieldDefinition.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 4

def initialize(type_definition, name, node)
  @type_definition = type_definition
  @name = name.to_sym
  @node = node

  @resolve_mode = nil
  @hash_key = nil
  @resolver = nil
  @type_instance_method = nil
  @object_direct_method = nil
  @dig = nil
  @fallback_value = nil
  @already_migrated = nil

  @resolver_method = nil
  @unknown_options = []
end

Instance Attribute Details

#already_migrated ⇒ Object

Returns the value of attribute already_migrated.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 79

def already_migrated
  @already_migrated
end

#dig ⇒ Object

Returns the value of attribute dig.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 79

def dig
  @dig
end

#fallback_value ⇒ Object

Returns the value of attribute fallback_value.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 79

def fallback_value
  @fallback_value
end

#hash_key ⇒ Object

Returns the value of attribute hash_key.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 79

def hash_key
  @hash_key
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 66

def name
  @name
end

#node ⇒ Object (readonly)

Returns the value of attribute node.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 66

def node
  @node
end

#object_direct_method ⇒ Object

Returns the value of attribute object_direct_method.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 79

def object_direct_method
  @object_direct_method
end

#resolve_mode ⇒ Object

Returns the value of attribute resolve_mode.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 66

def resolve_mode
  @resolve_mode
end

#resolver ⇒ Object

Returns the value of attribute resolver.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 79

def resolver
  @resolver
end

#type_definition ⇒ Object (readonly)

Returns the value of attribute type_definition.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 66

def type_definition
  @type_definition
end

#type_instance_method ⇒ Object

Returns the value of attribute type_instance_method.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 79

def type_instance_method
  @type_instance_method
end

#unknown_options ⇒ Object (readonly)

Returns the value of attribute unknown_options.



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 66

def unknown_options
  @unknown_options
end

Instance Method Details

#check_for_resolver_method ⇒ Object 



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 110

def check_for_resolver_method
  if resolve_mode.nil? && (resolver_method)
    @resolve_mode = :type_instance_method
    @type_instance_method = @name
  end
  nil
end

#future_resolve_shorthand ⇒ Object 



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 72

def future_resolve_shorthand
  method_name = Strategy.prefix_if_necessary(resolver_method.name).to_sym
  name == method_name ? true : method_name
end

#implicit_resolve ⇒ Object 



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 102

def implicit_resolve
  @name
end

#migration_strategy ⇒ Object 



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 22

def migration_strategy
  if unsupported_extras?
    return UnsupportedExtra
  elsif resolver_method&.uses_current_path
    return UnsupportedCurrentPath
  end

  if @type_definition.is_resolver && @type_definition.returns_hash?
    return HashKey
  end

  case resolve_mode
  when nil, :implicit_resolve
    if @type_definition.migration.implicit == "ignore"
      DoNothing
    else
      Implicit
    end
  when :hash_key, :object_direct_method, :dig
    DoNothing
  when :already_migrated
    case @already_migrated.keys.first
    when :resolve_each
      ResolveEach
    when :resolve_static
      ResolveStatic
    when :resolve_batch
      ResolveBatch
    when :resolve_legacy_instance_method
      DoNothing
    else
      raise ArgumentError, "Unexpected already_migrated: #{@already_migrated.inspect}"
    end
  when :type_instance_method
    resolver_method.migration_strategy
  when :resolver
    DoNothing
  when :fallback_value
    FallbackValue
  else
    raise "No migration strategy for resolve_mode #{@resolve_mode.inspect}"
  end
end

#path ⇒ Object 



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 81

def path
  @path ||= "#{type_definition.name}.#{@name}"
end

#resolve_mode_key ⇒ Object 



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 106

def resolve_mode_key
  resolve_mode && public_send(resolve_mode)
end

#resolver_method ⇒ Object 



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 89

def resolver_method
  case @resolver_method
  when nil
    method_name = @type_instance_method || @name
    @resolver_method = @type_definition.resolver_methods[method_name] || :NOT_FOUND
    resolver_method
  when :NOT_FOUND
    nil
  else
    @resolver_method
  end
end

#source ⇒ Object 



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 68

def source
  node.location.slice
end

#source_line ⇒ Object 



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# File 'lib/graphql_migrate_execution/field_definition.rb', line 85

def source_line
  @node.location.start_line
end