Module: Graphiform::Core::ClassMethods

Defined in:
lib/graphiform/core.rb

Instance Method Summary collapse

Instance Method Details

#graphql_base_resolver ⇒ Object 



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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
 
# File 'lib/graphiform/core.rb', line 84

def graphql_base_resolver
  unless defined? @base_resolver
    @base_resolver = Helpers.get_const_or_create(demodulized_name, ::Resolvers) do
      Class.new(::Resolvers::BaseResolver) do
        attr_reader :value

        class << self
          attr_accessor :addon_resolve_blocks
        end

        def self.addon_resolve(&block)
          @addon_resolve_blocks ||= []
          @addon_resolve_blocks << block
        end

        def resolve(**args)
          @value = base_resolve(**args)

          if self.class.addon_resolve_blocks.present? && !self.class.addon_resolve_blocks.empty?
            self.class.addon_resolve_blocks.each do |addon_resolve_block|
              @value = instance_exec(**args, &addon_resolve_block)
            end
          end

          @value
        end

        def apply_built_ins(where: nil, sort: nil, group: nil, **)
          @value = @value.apply_filters(where.to_h) if where.present? && @value.respond_to?(:apply_filters)
          @value = @value.apply_sorts(sort.to_h) if sort.present? && @value.respond_to?(:apply_sorts)
          @value = @value.apply_groupings(group.to_h) if group.present? && @value.respond_to?(:apply_groupings)

          @value
        end

        # Default resolver - meant to be overridden
        def base_resolve(**)
          object
        end
      end
    end

    local_graphql_filter = graphql_filter
    local_graphql_sort = graphql_sort
    local_graphql_grouping = graphql_grouping

    model = self
    @base_resolver.class_eval do
      unless respond_to?(:model)
        define_method :model do
          model
        end
      end

      argument :where, local_graphql_filter, required: false
      argument :sort, local_graphql_sort, required: false unless local_graphql_sort.arguments.empty?
      argument :group, local_graphql_grouping, required: false unless local_graphql_grouping.arguments.empty?
    end
  end

  @base_resolver
end

#graphql_connection ⇒ Object 



73
74
75
76
77
78
79
80
81
82
 
# File 'lib/graphiform/core.rb', line 73

def graphql_connection
  connection_name = "#{demodulized_name}Connection"
  Helpers.get_const_or_create(connection_name, ::Types) do
    edge_type = graphql_edge
    Class.new(::Types::BaseConnection) do
      graphql_name connection_name
      edge_type(edge_type)
    end
  end
end

#graphql_connection_query ⇒ Object 



162
163
164
165
166
167
168
169
170
171
172
173
174
 
# File 'lib/graphiform/core.rb', line 162

def graphql_connection_query
  Helpers.get_const_or_create(demodulized_name, ::Resolvers::ConnectionQueries) do
    connection_type = graphql_connection
    Class.new(graphql_base_resolver) do
      type connection_type, null: false

      def base_resolve(**args)
        @value = model.all
        apply_built_ins(**args)
      end
    end
  end
end

#graphql_create_enum(enum_name) ⇒ Object 



192
193
194
195
196
197
198
199
200
201
202
203
204
 
# File 'lib/graphiform/core.rb', line 192

def graphql_create_enum(enum_name)
  enum_name = enum_name.to_s
  enum_options = defined_enums[enum_name] || {}

  enum_class_name = "#{demodulized_name}#{enum_name.pluralize.capitalize}"
  Helpers.get_const_or_create(enum_class_name, ::Enums) do
    Class.new(::Enums::BaseEnum) do
      enum_options.each_key do |key|
        value key
      end
    end
  end
end

#graphql_create_resolver(method_name, resolver_type = graphql_type, read_prepare: nil, read_resolve: nil, null: true) ⇒ Object 



176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
 
# File 'lib/graphiform/core.rb', line 176

def graphql_create_resolver(method_name, resolver_type = graphql_type, read_prepare: nil, read_resolve: nil, null: true, **)
  Class.new(graphql_base_resolver) do
    type resolver_type, null: null

    define_method :base_resolve do |**args|
      @value = object

      @value = instance_exec(@value, context, &read_resolve) if read_resolve
      @value = @value.public_send(method_name) if !read_resolve && @value.respond_to?(method_name)
      @value = instance_exec(@value, context, &read_prepare) if read_prepare

      apply_built_ins(**args)
    end
  end
end

#graphql_edge ⇒ Object 



64
65
66
67
68
69
70
71
 
# File 'lib/graphiform/core.rb', line 64

def graphql_edge
  Helpers.get_const_or_create("#{demodulized_name}Edge", ::Types) do
    node_type = graphql_type
    Class.new(::Types::BaseEdge) do
      node_type(node_type)
    end
  end
end

#graphql_filter ⇒ Object 



30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/graphiform/core.rb', line 30

def graphql_filter
  unless defined? @filter
    local_demodulized_name = demodulized_name
    @filter = Helpers.get_const_or_create(local_demodulized_name, ::Inputs::Filters) do
      Class.new(::Inputs::Filters::BaseFilter) do
        graphql_name "#{local_demodulized_name}Filter"
      end
    end
    @filter.class_eval do
      argument 'OR', [self], required: false
    end
  end

  @filter
end

#graphql_grouping ⇒ Object 



55
56
57
58
59
60
61
62
 
# File 'lib/graphiform/core.rb', line 55

def graphql_grouping
  local_demodulized_name = demodulized_name
  Helpers.get_const_or_create(local_demodulized_name, ::Inputs::Groupings) do
    Class.new(::Inputs::Groupings::BaseGrouping) do
      graphql_name "#{local_demodulized_name}Grouping"
    end
  end
end

#graphql_input ⇒ Object 



21
22
23
24
25
26
27
28
 
# File 'lib/graphiform/core.rb', line 21

def graphql_input
  local_demodulized_name = demodulized_name
  Helpers.get_const_or_create(local_demodulized_name, ::Inputs) do
    Class.new(::Inputs::BaseInput) do
      graphql_name "#{local_demodulized_name}Input"
    end
  end
end

#graphql_query ⇒ Object 



147
148
149
150
151
152
153
154
155
156
157
158
159
160
 
# File 'lib/graphiform/core.rb', line 147

def graphql_query
  Helpers.get_const_or_create(demodulized_name, ::Resolvers::Queries) do
    local_graphql_type = graphql_type
    Class.new(graphql_base_resolver) do
      type local_graphql_type, null: true

      def base_resolve(**args)
        @value = model.all
        apply_built_ins(**args)
        @value.first
      end
    end
  end
end

#graphql_sort ⇒ Object 



46
47
48
49
50
51
52
53
 
# File 'lib/graphiform/core.rb', line 46

def graphql_sort
  local_demodulized_name = demodulized_name
  Helpers.get_const_or_create(local_demodulized_name, ::Inputs::Sorts) do
    Class.new(::Inputs::Sorts::BaseSort) do
      graphql_name "#{local_demodulized_name}Sort"
    end
  end
end

#graphql_type ⇒ Object 



12
13
14
15
16
17
18
19
 
# File 'lib/graphiform/core.rb', line 12

def graphql_type
  local_demodulized_name = demodulized_name
  Helpers.get_const_or_create(local_demodulized_name, ::Types) do
    Class.new(::Types::BaseObject) do
      graphql_name local_demodulized_name
    end
  end
end