Module: DuodealerAPI::GraphQL

Defined in:
lib/duodealer_api/graphql.rb,
lib/duodealer_api/graphql/railtie.rb,
lib/duodealer_api/graphql/http_client.rb

Defined Under Namespace

Classes: HTTPClient, Railtie

Constant Summary collapse

DEFAULT_SCHEMA_LOCATION_PATH = 
Pathname('duodealer_graphql_schemas')
InvalidSchema = 
Class.new(StandardError)
InvalidClient = 
Class.new(StandardError)

Class Method Summary collapse

Class Method Details

.clear_clients ⇒ Object 



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# File 'lib/duodealer_api/graphql.rb', line 38

def clear_clients
  @_client_cache = {}
end

.client(api_version = DuodealerAPI::Base.api_version.handle) ⇒ Object 



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# File 'lib/duodealer_api/graphql.rb', line 15

def client(api_version = DuodealerAPI::Base.api_version.handle)
  initialize_client_cache
  cached_client = @_client_cache[api_version]

  if cached_client
    cached_client
  else
    schema_file = schema_location.join("#{api_version}.json")

    if !schema_file.exist?
      raise InvalidClient, "        Client for API version \#{api_version} does not exist because no schema file exists at `\#{schema_file}`.\n\n        To dump the schema file, use the `rake duodealer_api:graphql:dump` task.\n      MSG\n    else\n      puts '[WARNING] Client was not pre-initialized. Ensure `DuodealerAPI::GraphQL.initialize_clients` is called during app initialization.'\n      initialize_clients\n      @_client_cache[api_version]\n    end\n  end\nend\n"

.initialize_clients ⇒ Object 



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# File 'lib/duodealer_api/graphql.rb', line 42

def initialize_clients
  initialize_client_cache

  Dir.glob(schema_location.join("*.json")).each do |schema_file|
    schema_file = Pathname(schema_file)
    matches = schema_file.basename.to_s.match(/^#{DuodealerAPI::ApiVersion::HANDLE_FORMAT}\.json$/)

    if matches
      api_version = DuodealerAPI::ApiVersion.new(handle: matches[1])
    else
      raise InvalidSchema, "Invalid schema file name `#{schema_file}`. Does not match format of: `<version>.json`."
    end

    schema = ::GraphQL::Client.load_schema(schema_file.to_s)
    client = ::GraphQL::Client.new(schema: schema, execute: HTTPClient.new(api_version)).tap do |c|
      c.allow_dynamic_queries = true
    end

    @_client_cache[api_version.handle] = client
  end
end

.schema_location ⇒ Object 



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# File 'lib/duodealer_api/graphql.rb', line 64

def schema_location
  @schema_location || DEFAULT_SCHEMA_LOCATION_PATH
end

.schema_location=(path) ⇒ Object 



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# File 'lib/duodealer_api/graphql.rb', line 68

def schema_location=(path)
  @schema_location = Pathname(path)
end