Class: Graphlyte::SchemaQuery::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/graphlyte/schema_query.rb

Overview

Builder for a schema query

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Query

Returns a new instance of Query.



16
17
18
19
 
# File 'lib/graphlyte/schema_query.rb', line 16

def initialize
  @dsl = DSL.new
  @doc = Graphlyte::Document.new
end

Instance Attribute Details

#doc ⇒ Object (readonly)

Returns the value of attribute doc.



14
15
16
 
# File 'lib/graphlyte/schema_query.rb', line 14

def doc
  @doc
end

#dsl ⇒ Object (readonly)

Returns the value of attribute dsl.



14
15
16
 
# File 'lib/graphlyte/schema_query.rb', line 14

def dsl
  @dsl
end

Instance Method Details

#build ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
 
# File 'lib/graphlyte/schema_query.rb', line 21

def build
  @build ||= dsl.query('Schema', doc) do |q|
    q.__schema do |s|
      s.query_type(&:name)
      s.mutation_type(&:name)
      s.subscription_type(&:name)
      s.types(full_type_fragment)
      query_directives(s)
    end
  end
end

#enums_fragment ⇒ Object 



66
67
68
69
70
71
72
73
74
75
 
# File 'lib/graphlyte/schema_query.rb', line 66

def enums_fragment
  @enums_fragment ||= dsl.fragment(on: '__Type', doc: doc) do |t|
    t.enum_values(include_deprecated: true) do |e|
      e.name
      e.description
      e.is_deprecated
      e.deprecation_reason
    end
  end
end

#fields_fragment ⇒ Object 



77
78
79
80
81
82
83
84
85
86
87
88
 
# File 'lib/graphlyte/schema_query.rb', line 77

def fields_fragment
  @fields_fragment ||= dsl.fragment(on: '__Type', doc: doc) do |t|
    t.fields(include_deprecated: true) do |f|
      f.name
      f.description
      f.args(input_value_fragment)
      f.type(type_ref_fragment)
      f.is_deprecated
      f.deprecation_reason
    end
  end
end

#full_type_fragment ⇒ Object 



53
54
55
56
57
58
59
60
61
62
63
64
 
# File 'lib/graphlyte/schema_query.rb', line 53

def full_type_fragment
  @full_type_fragment ||= dsl.fragment(on: '__Type', doc: doc) do |t|
    t.kind
    t.name
    t.description
    t << fields_fragment
    t.input_fields(input_value_fragment)
    t.interfaces(type_ref_fragment)
    t << enums_fragment
    t.possible_types(type_ref_fragment)
  end
end

#input_value_fragment ⇒ Object 



90
91
92
93
94
95
96
97
 
# File 'lib/graphlyte/schema_query.rb', line 90

def input_value_fragment
  @input_value_fragment ||= dsl.fragment(on: '__InputValue', doc: doc) do |v|
    v.name
    v.description
    v.type type_ref_fragment
    v.default_value
  end
end

#query_directives(schema) ⇒ Object 



33
34
35
36
37
38
39
 
# File 'lib/graphlyte/schema_query.rb', line 33

def query_directives(schema)
  schema.directives do |d|
    d.name
    d.description
    d.args(input_value_fragment)
  end
end

#select_type_reference(node, depth: 0) ⇒ Object 



47
48
49
50
51
 
# File 'lib/graphlyte/schema_query.rb', line 47

def select_type_reference(node, depth: 0)
  node.kind
  node.name
  node.of_type { |child| select_type_reference(child, depth: depth + 1) } if depth < 8
end

#type_ref_fragment ⇒ Object 



41
42
43
44
45
 
# File 'lib/graphlyte/schema_query.rb', line 41

def type_ref_fragment
  @type_ref_fragment ||= dsl.fragment(on: '__Type', doc: doc) do |t|
    select_type_reference(t)
  end
end