2020-05-02 04:32:56 +12:00
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defmodule AshGraphql do
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@moduledoc """
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2022-10-22 00:38:33 +13:00
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AshGraphql is a GraphQL extension for the Ash framework.
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2020-05-02 04:32:56 +12:00
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"""
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2020-08-14 09:39:59 +12:00
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defmacro __using__(opts) do
|
2021-05-19 17:29:57 +12:00
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quote bind_quoted: [apis: opts[:apis], api: opts[:api]], generated: true do
|
2022-10-22 01:51:31 +13:00
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require Ash.Api.Info
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2020-09-24 12:54:57 +12:00
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apis =
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api
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|> List.wrap()
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|> Kernel.++(List.wrap(apis))
|
2020-12-02 18:55:25 +13:00
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apis =
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apis
|
2022-05-11 03:49:00 +12:00
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|> Enum.map(fn
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{api, registry} ->
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2022-10-22 01:51:31 +13:00
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IO.warn("""
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It is no longer required to list the registry along with an API when using `AshGraphql`
|
2020-09-24 12:54:57 +12:00
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2022-10-22 01:51:31 +13:00
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use AshGraphql, apis: [{My.App.Api, My.App.Registry}]
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Can now be stated simply as
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use AshGraphql, apis: [My.App.Api]
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""")
|
2022-04-27 04:46:51 +12:00
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2022-10-22 01:51:31 +13:00
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api
|
2022-05-11 03:49:00 +12:00
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2022-10-22 01:51:31 +13:00
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api ->
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api
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2022-05-11 03:49:00 +12:00
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end)
|
2022-10-22 01:51:31 +13:00
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|> Enum.map(fn api -> {api, Ash.Api.Info.depend_on_resources(api), false} end)
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|> List.update_at(0, fn {api, resources, _} -> {api, resources, true} end)
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2022-04-27 04:46:51 +12:00
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2022-10-21 08:03:13 +13:00
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schema = __MODULE__
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2022-11-01 06:07:15 +13:00
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schema_env = __ENV__
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2022-10-21 08:03:13 +13:00
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2022-10-22 01:51:31 +13:00
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for {api, resources, first?} <- apis do
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2020-09-24 12:54:57 +12:00
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defmodule Module.concat(api, AshTypes) do
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@moduledoc false
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alias Absinthe.{Blueprint, Phase, Pipeline}
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def pipeline(pipeline) do
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Pipeline.insert_before(
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pipeline,
|
2021-03-13 03:19:33 +13:00
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Absinthe.Phase.Schema.ApplyDeclaration,
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2020-09-24 12:54:57 +12:00
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__MODULE__
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)
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end
|
2020-08-17 19:00:13 +12:00
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2021-05-19 17:29:57 +12:00
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@dialyzer {:nowarn_function, {:run, 2}}
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2020-09-24 12:54:57 +12:00
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def run(blueprint, _opts) do
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api = unquote(api)
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2022-11-01 06:07:15 +13:00
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blueprint =
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AshGraphql.add_root_types(
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blueprint,
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unquote(resources),
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unquote(Macro.escape(schema_env))
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)
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2020-12-02 18:55:25 +13:00
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blueprint_with_queries =
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api
|
2022-10-22 01:51:31 +13:00
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|> AshGraphql.Api.queries(unquote(resources), __MODULE__)
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2020-12-02 18:55:25 +13:00
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|> Enum.reduce(blueprint, fn query, blueprint ->
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Absinthe.Blueprint.add_field(blueprint, "RootQueryType", query)
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end)
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blueprint_with_mutations =
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api
|
2022-10-22 01:51:31 +13:00
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|> AshGraphql.Api.mutations(unquote(resources), __MODULE__)
|
2020-12-02 18:55:25 +13:00
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|> Enum.reduce(blueprint_with_queries, fn mutation, blueprint ->
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Absinthe.Blueprint.add_field(blueprint, "RootMutationType", mutation)
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end)
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type_definitions =
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if unquote(first?) do
|
2021-04-24 10:44:56 +12:00
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apis = unquote(Enum.map(apis, &elem(&1, 0)))
|
2022-10-21 08:03:13 +13:00
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embedded_types = AshGraphql.get_embedded_types(apis, unquote(schema))
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2021-04-24 10:44:56 +12:00
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|
2022-10-21 08:03:13 +13:00
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global_enums = AshGraphql.global_enums(apis, unquote(schema), __ENV__)
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2021-01-13 09:14:35 +13:00
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|
2022-10-21 08:03:13 +13:00
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AshGraphql.Api.global_type_definitions(unquote(schema), __ENV__) ++
|
2022-10-22 01:51:31 +13:00
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AshGraphql.Api.type_definitions(
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api,
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unquote(resources),
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unquote(schema),
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__ENV__,
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true
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) ++
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2021-04-24 10:44:56 +12:00
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global_enums ++
|
2021-01-13 09:14:35 +13:00
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embedded_types
|
2020-12-02 18:55:25 +13:00
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else
|
2022-10-22 01:51:31 +13:00
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AshGraphql.Api.type_definitions(
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api,
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unquote(resources),
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unquote(schema),
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__ENV__,
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false
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)
|
2020-12-02 18:55:25 +13:00
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end
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new_defs =
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List.update_at(blueprint_with_mutations.schema_definitions, 0, fn schema_def ->
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%{
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schema_def
|
2021-01-13 09:14:35 +13:00
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| type_definitions: schema_def.type_definitions ++ type_definitions
|
2020-12-02 18:55:25 +13:00
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}
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end)
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{:ok, %{blueprint_with_mutations | schema_definitions: new_defs}}
|
2020-08-17 19:00:13 +12:00
|
|
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end
|
2020-08-14 09:39:59 +12:00
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|
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end
|
2020-05-02 04:32:56 +12:00
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|
2021-01-13 09:14:35 +13:00
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if first? do
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import_types(Absinthe.Type.Custom)
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import_types(AshGraphql.Types.JSON)
|
2021-06-22 09:20:24 +12:00
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import_types(AshGraphql.Types.JSONString)
|
2021-01-13 09:14:35 +13:00
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|
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end
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|
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|
|
2020-09-24 12:54:57 +12:00
|
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@pipeline_modifier Module.concat(api, AshTypes)
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end
|
2020-08-14 09:39:59 +12:00
|
|
|
end
|
2020-05-02 04:32:56 +12:00
|
|
|
end
|
2020-08-15 02:20:47 +12:00
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|
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|
2021-04-24 10:44:56 +12:00
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|
|
def global_enums(apis, schema, env) do
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|
apis
|
2022-08-31 13:08:16 +12:00
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|> Enum.flat_map(&Ash.Api.Info.resources/1)
|
2021-05-19 06:07:01 +12:00
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|> Enum.flat_map(&all_attributes_and_arguments/1)
|
2021-04-24 10:44:56 +12:00
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|
|> only_enum_types()
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|> Enum.uniq()
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|
|> Enum.map(fn type ->
|
2022-02-01 09:06:06 +13:00
|
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{name, identifier} =
|
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|
case type do
|
2022-05-24 08:33:27 +12:00
|
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Ash.Type.DurationName ->
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{"DurationName", :duration_name}
|
2022-02-01 09:06:06 +13:00
|
|
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|
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|
|
type ->
|
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|
|
graphql_type = type.graphql_type()
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|
|
{graphql_type |> to_string() |> Macro.camelize(), graphql_type}
|
|
|
|
end
|
|
|
|
|
2021-04-24 10:44:56 +12:00
|
|
|
%Absinthe.Blueprint.Schema.EnumTypeDefinition{
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|
module: schema,
|
2022-02-01 09:06:06 +13:00
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|
name: name,
|
2021-04-24 10:44:56 +12:00
|
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|
values:
|
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|
|
Enum.map(type.values(), fn value ->
|
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|
|
%Absinthe.Blueprint.Schema.EnumValueDefinition{
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|
module: schema,
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|
identifier: value,
|
2022-03-26 06:17:35 +13:00
|
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|
__reference__: AshGraphql.Resource.ref(env),
|
2021-04-24 10:44:56 +12:00
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|
name: String.upcase(to_string(value)),
|
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|
value: value
|
|
|
|
}
|
|
|
|
end),
|
2022-02-01 09:06:06 +13:00
|
|
|
identifier: identifier,
|
2021-04-24 10:44:56 +12:00
|
|
|
__reference__: AshGraphql.Resource.ref(env)
|
|
|
|
}
|
|
|
|
end)
|
2022-03-25 10:05:53 +13:00
|
|
|
|> Enum.uniq_by(& &1.identifier)
|
2021-04-24 10:44:56 +12:00
|
|
|
end
|
|
|
|
|
2021-05-19 06:07:01 +12:00
|
|
|
defp all_attributes_and_arguments(resource) do
|
|
|
|
resource
|
|
|
|
|> Ash.Resource.Info.public_attributes()
|
|
|
|
|> Enum.concat(all_arguments(resource))
|
2021-09-08 09:06:20 +12:00
|
|
|
|> Enum.concat(Ash.Resource.Info.calculations(resource))
|
2021-05-19 06:07:01 +12:00
|
|
|
|> Enum.flat_map(fn %{type: type} = attr ->
|
|
|
|
if Ash.Type.embedded_type?(type) do
|
|
|
|
[
|
|
|
|
attr
|
|
|
|
| type
|
|
|
|
|> embedded_resource()
|
|
|
|
|> all_attributes_and_arguments()
|
|
|
|
]
|
|
|
|
else
|
|
|
|
[attr]
|
|
|
|
end
|
|
|
|
end)
|
|
|
|
end
|
|
|
|
|
2021-04-24 10:44:56 +12:00
|
|
|
defp only_enum_types(attributes) do
|
|
|
|
Enum.flat_map(attributes, fn attribute ->
|
|
|
|
case enum_type(attribute.type) do
|
|
|
|
nil ->
|
|
|
|
[]
|
|
|
|
|
|
|
|
type ->
|
|
|
|
[type]
|
|
|
|
end
|
|
|
|
end)
|
|
|
|
end
|
|
|
|
|
2022-10-21 08:03:13 +13:00
|
|
|
def get_embedded_types(apis, schema) do
|
2021-01-13 09:14:35 +13:00
|
|
|
apis
|
2022-08-31 13:08:16 +12:00
|
|
|
|> Enum.flat_map(&Ash.Api.Info.resources/1)
|
2021-02-23 17:28:01 +13:00
|
|
|
|> Enum.flat_map(fn resource ->
|
|
|
|
resource
|
|
|
|
|> Ash.Resource.Info.public_attributes()
|
2021-04-14 09:49:10 +12:00
|
|
|
|> Enum.concat(all_arguments(resource))
|
2021-09-08 09:06:20 +12:00
|
|
|
|> Enum.concat(Ash.Resource.Info.calculations(resource))
|
2021-02-23 17:28:01 +13:00
|
|
|
|> Enum.map(&{resource, &1})
|
|
|
|
end)
|
|
|
|
|> Enum.filter(fn {_resource, attribute} ->
|
2021-04-14 09:49:10 +12:00
|
|
|
attribute.type
|
|
|
|
|> embedded_resource()
|
|
|
|
|> Ash.Type.embedded_type?()
|
2021-02-23 17:28:01 +13:00
|
|
|
end)
|
2021-01-13 09:14:35 +13:00
|
|
|
|> Enum.map(fn
|
2021-02-23 17:28:01 +13:00
|
|
|
{source_resource, attribute} ->
|
|
|
|
{source_resource, attribute, embedded_resource(attribute.type)}
|
2021-01-13 09:14:35 +13:00
|
|
|
end)
|
2021-02-23 17:28:01 +13:00
|
|
|
|> Enum.flat_map(fn {source_resource, attribute, embedded} ->
|
|
|
|
[{source_resource, attribute, embedded}] ++ get_nested_embedded_types(embedded)
|
2021-01-13 09:14:35 +13:00
|
|
|
end)
|
2021-02-23 17:28:01 +13:00
|
|
|
|> Enum.flat_map(fn {source_resource, attribute, embedded_type} ->
|
2022-08-31 13:08:16 +12:00
|
|
|
if AshGraphql.Resource.Info.type(embedded_type) do
|
2021-02-23 17:28:01 +13:00
|
|
|
[
|
|
|
|
AshGraphql.Resource.type_definition(
|
|
|
|
embedded_type,
|
|
|
|
Module.concat(embedded_type, ShadowApi),
|
2022-10-21 08:03:13 +13:00
|
|
|
schema
|
2021-02-23 17:28:01 +13:00
|
|
|
),
|
|
|
|
AshGraphql.Resource.embedded_type_input(
|
|
|
|
source_resource,
|
|
|
|
attribute,
|
|
|
|
embedded_type,
|
2022-10-21 08:03:13 +13:00
|
|
|
schema
|
2021-02-23 17:28:01 +13:00
|
|
|
)
|
2021-05-19 06:07:01 +12:00
|
|
|
] ++
|
2022-10-21 08:03:13 +13:00
|
|
|
AshGraphql.Resource.enum_definitions(embedded_type, schema, __ENV__)
|
2021-02-23 17:28:01 +13:00
|
|
|
else
|
|
|
|
[
|
|
|
|
AshGraphql.Resource.embedded_type_input(
|
|
|
|
source_resource,
|
|
|
|
attribute,
|
|
|
|
embedded_type,
|
2022-10-21 08:03:13 +13:00
|
|
|
schema
|
2021-02-23 17:28:01 +13:00
|
|
|
)
|
2022-10-21 08:03:13 +13:00
|
|
|
] ++ AshGraphql.Resource.enum_definitions(embedded_type, schema, __ENV__)
|
2021-02-23 17:28:01 +13:00
|
|
|
end
|
2021-01-13 09:14:35 +13:00
|
|
|
end)
|
2021-04-14 09:49:10 +12:00
|
|
|
|> Enum.uniq_by(& &1.identifier)
|
|
|
|
end
|
|
|
|
|
2022-11-01 06:07:15 +13:00
|
|
|
def add_root_types(%Absinthe.Blueprint{} = blueprint, resources, env) do
|
2022-10-13 10:25:33 +13:00
|
|
|
%{
|
|
|
|
blueprint
|
2022-11-01 06:07:15 +13:00
|
|
|
| schema_definitions:
|
|
|
|
Enum.map(blueprint.schema_definitions, &do_add_root_types(&1, resources, env))
|
2022-10-13 10:25:33 +13:00
|
|
|
}
|
|
|
|
end
|
|
|
|
|
2022-11-01 06:07:15 +13:00
|
|
|
defp do_add_root_types(%Absinthe.Blueprint.Schema.SchemaDefinition{} = schema, resources, env) do
|
2022-10-13 10:25:33 +13:00
|
|
|
schema
|
2022-11-01 06:07:15 +13:00
|
|
|
# Adding the root query type is causing strange problems?
|
|
|
|
# |> add_root_query_type(env)
|
|
|
|
|> add_root_mutation_type(resources, env)
|
2022-10-13 10:25:33 +13:00
|
|
|
end
|
|
|
|
|
2022-11-01 06:07:15 +13:00
|
|
|
# defp add_root_query_type(schema, env) do
|
|
|
|
# if Enum.any?(schema.type_definitions, &(&1.name == "RootQueryType")) do
|
|
|
|
# schema
|
|
|
|
# else
|
|
|
|
# root_query = %Absinthe.Blueprint.Schema.ObjectTypeDefinition{
|
|
|
|
# name: "RootQueryType",
|
|
|
|
# identifier: :query,
|
|
|
|
# module: AshHqWeb.Schema,
|
|
|
|
# description: nil,
|
|
|
|
# interfaces: [],
|
|
|
|
# interface_blueprints: [],
|
|
|
|
# fields: [],
|
|
|
|
# directives: [],
|
|
|
|
# is_type_of: {:ref, env.module, {Absinthe.Blueprint.Schema.ObjectTypeDefinition, :query}},
|
|
|
|
# source_location: nil,
|
|
|
|
# flags: %{},
|
|
|
|
# imports: [],
|
|
|
|
# errors: [],
|
|
|
|
# __reference__: AshGraphql.Resource.ref(env),
|
|
|
|
# __private__: []
|
|
|
|
# }
|
|
|
|
|
|
|
|
# %{schema | type_definitions: [root_query | schema.type_definitions]}
|
|
|
|
# end
|
|
|
|
# end
|
2022-10-13 10:25:33 +13:00
|
|
|
|
2022-11-01 06:07:15 +13:00
|
|
|
defp add_root_mutation_type(schema, resources, env) do
|
2022-10-13 10:25:33 +13:00
|
|
|
if Enum.any?(schema.type_definitions, &(&1.name == "RootMutationType")) do
|
|
|
|
schema
|
|
|
|
else
|
2022-11-01 06:07:15 +13:00
|
|
|
if Enum.all?(resources, &Enum.empty?(AshGraphql.Resource.Info.mutations(&1))) do
|
|
|
|
schema
|
|
|
|
else
|
|
|
|
root_mutation = %Absinthe.Blueprint.Schema.ObjectTypeDefinition{
|
|
|
|
name: "RootMutationType",
|
|
|
|
identifier: :mutation,
|
|
|
|
module: AshHqWeb.Schema,
|
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|
|
description: nil,
|
|
|
|
interfaces: [],
|
|
|
|
interface_blueprints: [],
|
|
|
|
fields: [],
|
|
|
|
directives: [],
|
|
|
|
is_type_of:
|
|
|
|
{:ref, env.module, {Absinthe.Blueprint.Schema.ObjectTypeDefinition, :mutation}},
|
|
|
|
source_location: nil,
|
|
|
|
flags: %{},
|
|
|
|
imports: [],
|
|
|
|
errors: [],
|
|
|
|
__reference__: AshGraphql.Resource.ref(env),
|
|
|
|
__private__: []
|
|
|
|
}
|
|
|
|
|
|
|
|
%{schema | type_definitions: [root_mutation | schema.type_definitions]}
|
|
|
|
end
|
2022-10-13 10:25:33 +13:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2021-04-14 09:49:10 +12:00
|
|
|
defp all_arguments(resource) do
|
|
|
|
resource
|
|
|
|
|> Ash.Resource.Info.actions()
|
|
|
|
|> Enum.flat_map(& &1.arguments)
|
2021-01-13 09:14:35 +13:00
|
|
|
end
|
|
|
|
|
2021-04-24 10:44:56 +12:00
|
|
|
defp enum_type({:array, type}), do: enum_type(type)
|
|
|
|
|
|
|
|
defp enum_type(type) do
|
|
|
|
if is_atom(type) && :erlang.function_exported(type, :values, 0) &&
|
|
|
|
:erlang.function_exported(type, :graphql_type, 0) do
|
|
|
|
type
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2021-02-23 17:28:01 +13:00
|
|
|
defp embedded_resource({:array, type}), do: embedded_resource(type)
|
|
|
|
defp embedded_resource(type), do: type
|
|
|
|
|
2021-01-13 09:14:35 +13:00
|
|
|
defp get_nested_embedded_types(embedded_type) do
|
|
|
|
embedded_type
|
2021-02-23 17:28:01 +13:00
|
|
|
|> Ash.Resource.Info.public_attributes()
|
|
|
|
|> Enum.filter(&Ash.Type.embedded_type?(&1.type))
|
|
|
|
|> Enum.map(fn attribute ->
|
|
|
|
{attribute, embedded_resource(attribute.type)}
|
2021-01-13 09:14:35 +13:00
|
|
|
end)
|
2021-02-23 17:28:01 +13:00
|
|
|
|> Enum.flat_map(fn {attribute, embedded} ->
|
|
|
|
[{embedded_type, attribute, embedded}] ++ get_nested_embedded_types(embedded)
|
2021-01-13 09:14:35 +13:00
|
|
|
end)
|
|
|
|
end
|
|
|
|
|
2022-05-12 04:45:49 +12:00
|
|
|
def add_context(ctx, apis, options \\ []) do
|
|
|
|
options = Keyword.put(options, :get_policy, :tuples)
|
|
|
|
empty_dataloader = Dataloader.new(options)
|
|
|
|
|
2020-09-24 12:54:57 +12:00
|
|
|
dataloader =
|
|
|
|
apis
|
|
|
|
|> List.wrap()
|
2022-10-22 01:51:31 +13:00
|
|
|
|> Enum.map(fn
|
|
|
|
{api, _registry} ->
|
|
|
|
api
|
|
|
|
|
|
|
|
api ->
|
|
|
|
api
|
|
|
|
end)
|
|
|
|
|> Enum.reduce(empty_dataloader, fn api, dataloader ->
|
2020-09-24 12:54:57 +12:00
|
|
|
Dataloader.add_source(
|
|
|
|
dataloader,
|
|
|
|
api,
|
|
|
|
AshGraphql.Dataloader.new(api)
|
|
|
|
)
|
|
|
|
end)
|
|
|
|
|
2020-10-28 19:16:16 +13:00
|
|
|
Map.put(ctx, :loader, dataloader)
|
2020-08-15 02:20:47 +12:00
|
|
|
end
|
2020-05-02 04:32:56 +12:00
|
|
|
end
|