Potionx

Web Layer

This layer receives HTTP requests and manages web sockets. It mostly contains Phoenix's defaults. It communicates with the GraphQL layer via HTTP and Websocket JSON requests.

architecture

Default Routes and Plugs

The following default routes and plugs are added:

  pipeline :graphql do
    plug :accepts, ["json"]
    plug Potionx.Plug.ServiceContext
    plug Potionx.Plug.Auth,
      session_optional: true,
      session_service: SomeProject.Sessions.SessionService
    if Mix.env() in [:prod, :test] do
      plug Potionx.Plug.MaybeDisableIntrospection, [roles: [:admin]]
    end
    plug Potionx.Plug.Absinthe
  end

  pipeline :auth_callback do
    plug :accepts, ["json"]
    plug Potionx.Plug.ServiceContext
    plug Potionx.Plug.Auth,
      session_service: SomeProject.Sessions.SessionService
  end

  scope "/graphql/v1" do
    pipe_through :graphql

    forward "/", Absinthe.Plug,
      before_send: {Potionx.Auth.Resolvers, :before_send},
      schema: SomeProjectGraphQl.Schema
  end


  scope "/api/v1", as: :api_v1 do
    pipe_through :auth_callback
    get "/auth/:provider/callback",
      Potionx.Auth.Resolvers,
      [
        session_service: SomeProject.Sessions.SessionService
      ]
    post "/auth/:provider/callback",
      Potionx.Auth.Resolvers,
      [
        session_service: SomeProject.Sessions.SessionService
      ]
  end