class Capsium::Reactor::GraphqlSchema

Builds the GraphQL schema for a mounted package (ARCHITECTURE.md section 5): per dataset a query field “<dataset>” (list, optional “id:” argument for a single item) plus create<Dataset>/update<Dataset>/delete<Dataset> mutations. Item types are inferred from the dataset’s JSON schema when present, else map to a permissive JSON scalar. Field resolvers delegate to the given API object’s public methods.

Public Class Methods

new (mount, api)

(Mount mount, GraphqlApi api) → void

Source

# File lib/capsium/reactor/graphql_schema.rb, line 26
def initialize(mount, api)
  @mount = mount
  @api = api
end

Public Instance Methods

build ()

() → singleton(GraphQL::Schema)

Source

# File lib/capsium/reactor/graphql_schema.rb, line 31
def build
  api = @api
  query_type = Class.new(GraphQL::Schema::Object) { graphql_name("Query") }
  mutation_type = Class.new(GraphQL::Schema::Object) { graphql_name("Mutation") }
  @mount.package.storage.datasets.each do |dataset|
    next if dataset.config.sqlite?

    add_dataset_fields(query_type, mutation_type, dataset, api)
  end
  Class.new(GraphQL::Schema) do
    query(query_type)
    mutation(mutation_type)
  end
end