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potionx
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Potionx is a set of generators and functions that speeds up the process of setting up and deploying a full-stack application that uses Elixir with GraphQL for the server-side component and Vue for the frontend component.
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Files
lib/potionx/schema.ex
defmodule Potionx.Schema do
defmacro __using__(opts) do
opts = Keyword.merge(
[
user_required_exceptions: []
],
opts
)
quote do
@user_required_exceptions unquote(opts[:user_required_exceptions])
use Absinthe.Schema
use Absinthe.Relay.Schema, :modern
import_types Absinthe.Plug.Types
import_types Absinthe.Type.Custom
import_types Potionx.Types
import_types Potionx.Types.JSON
scalar :global_id do
parse fn
%{value: v}, ctx ->
case v do
s when is_binary(s) ->
Absinthe.Relay.Node.from_global_id(s, __MODULE__)
|> case do
{:ok, %{id: id}} -> {:ok, id}
err -> err
end
default ->
{:ok, default}
end
_, _ ->
{:ok, nil}
end
serialize fn input ->
input
end
end
def middleware(middleware, _field, %{identifier: :mutation}) do
Enum.concat([
[
{Potionx.Middleware.UserRequired, [
exceptions: @user_required_exceptions
++ [
:session_renew, :sign_in_provider
]
]},
Potionx.Middleware.ServiceContext,
Potionx.Middleware.Scope
],
middleware,
[
Potionx.Middleware.ChangesetErrors,
Potionx.Middleware.Mutation
]
])
end
def middleware(middleware, _field, %{identifier: :query}) do
[
Potionx.Middleware.UserRequired,
Potionx.Middleware.ServiceContext,
Potionx.Middleware.Scope
] ++ middleware
end
def middleware(middleware, _field, _object) do
middleware
end
def plugins do
[Absinthe.Middleware.Dataloader] ++ Absinthe.Plugin.defaults()
end
defoverridable([middleware: 3])
end
end
end