Class: Yogurt::CodeGenerator::RootClass

Inherits:
T::Struct
  • Object
show all
Extended by:
T::Sig
Includes:
DefinedClass, Utils
Defined in:
lib/yogurt/code_generator/root_class.rb

Overview

Root classes are generated for the root of a GraphQL query.

Instance Method Summary collapse

Methods included from Utils

#camelize, #generate_method_name, #generate_pretty_print, #indent, #possible_types_constant, #typename_method, #underscore

Methods included from DefinedClass

#dependencies, #name

Instance Method Details

#execute_method ⇒ Object 



73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
 
# File 'lib/yogurt/code_generator/root_class.rb', line 73

def execute_method
  executor = Yogurt.registered_schemas.fetch(schema)
  options_type = executor.options_type_alias.name
  signature_params = ["options: #{options_type}"]

  params = if options_type.start_with?("T.nilable", "T.untyped")
    ["options=nil"]
  else
    ["options"]
  end

  variable_extraction = if variables.any?
    serializers = []

    variables.sort.each do |variable|
      if variable.signature.start_with?("T.nilable")
        params.push("#{variable.name}: nil")
      else
        params.push("#{variable.name}:")
      end

      signature_params.push("#{variable.name}: #{variable.signature}")
      serializers.push(<<~STRING.strip)
        #{variable.graphql_name.inspect} => #{variable.serializer.strip},
      STRING
    end

    <<~STRING
      {
        #{indent(serializers.join("\n"), 1).strip}
      }
    STRING
  else
    "nil"
  end

  <<~STRING
    sig do
      params(
        #{indent(signature_params.join(",\n"), 2).strip}
      ).returns(T.any(T.attached_class, Yogurt::ErrorResult::OnlyErrors))
    end
    def self.execute(#{params.join(', ')})
      raw_result = Yogurt.execute(
        query: QUERY_TEXT,
        schema: SCHEMA,
        operation_name: OPERATION_NAME,
        options: options,
        variables: #{indent(variable_extraction, 2).strip}
      )

      from_result(raw_result)
    end
  STRING
end

#to_ruby ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
 
# File 'lib/yogurt/code_generator/root_class.rb', line 22

def to_ruby
  pretty_print = generate_pretty_print(defined_methods)
  declaration = query_container.fetch_query(operation_name)
  original_query = declaration.query_text
  parsed_query = GraphQL.parse(original_query)
  reprinted_query = GraphQL::Language::Printer.new.print(parsed_query)

  dynamic_methods = <<~STRING.strip
    #{defined_methods.map(&:to_ruby).join("\n")}
    #{pretty_print}
  STRING

  <<~STRING
    class #{name} < Yogurt::Query
      extend T::Sig
      include Yogurt::QueryResult
      include Yogurt::ErrorResult

      SCHEMA = T.let(#{schema.name}, Yogurt::GRAPHQL_SCHEMA)
      OPERATION_NAME = T.let(#{operation_name.inspect}, String)
      QUERY_TEXT = T.let(<<~'GRAPHQL', String)
        #{indent(reprinted_query, 2).strip}
      GRAPHQL
      #{indent(possible_types_constant(schema, graphql_type), 1).strip}

      #{indent(execute_method, 1).strip}

      sig {params(data: Yogurt::OBJECT_TYPE, errors: T.nilable(T::Array[Yogurt::OBJECT_TYPE])).void}
      def initialize(data, errors)
        @result = T.let(data, Yogurt::OBJECT_TYPE)
        @errors = T.let(errors, T.nilable(T::Array[Yogurt::OBJECT_TYPE]))
      end

      sig {override.returns(Yogurt::OBJECT_TYPE)}
      def raw_result
        @result
      end

      #{indent(typename_method(schema, graphql_type), 1).strip}

      sig {override.returns(T.nilable(T::Array[Yogurt::OBJECT_TYPE]))}
      def errors
        @errors
      end

      #{indent(dynamic_methods, 1).strip}
    end
  STRING
end