From bcf78d7f64567b269dd6d9da621bbfdacfbc0113 Mon Sep 17 00:00:00 2001
From: Pierre de Lacroix <pierre@pdelacroix.com>
Date: Tue, 12 May 2020 02:48:14 +0200
Subject: laying out some structure

---
 lib/matrix_app_service/application.ex              |  6 +-
 lib/matrix_app_service/event.ex                    | 12 ++++
 .../phoenix/channels/user_socket.ex                | 35 ++++++++++
 .../phoenix/controllers/v1/room_controller.ex      |  7 ++
 .../controllers/v1/third_party_controller.ex       |  7 ++
 .../controllers/v1/transaction_controller.ex       | 52 +++++++++++++++
 .../phoenix/controllers/v1/user_controller.ex      |  7 ++
 lib/matrix_app_service/phoenix/endpoint.ex         | 45 +++++++++++++
 lib/matrix_app_service/phoenix/phoenix.ex          | 74 ++++++++++++++++++++++
 lib/matrix_app_service/phoenix/router.ex           | 29 +++++++++
 lib/matrix_app_service/phoenix/telemetry.ex        | 46 ++++++++++++++
 .../phoenix/views/error_helpers.ex                 | 16 +++++
 lib/matrix_app_service/phoenix/views/error_view.ex | 16 +++++
 lib/matrix_app_service_web.ex                      | 74 ----------------------
 lib/matrix_app_service_web/channels/user_socket.ex | 35 ----------
 lib/matrix_app_service_web/endpoint.ex             | 45 -------------
 lib/matrix_app_service_web/router.ex               | 11 ----
 lib/matrix_app_service_web/telemetry.ex            | 46 --------------
 lib/matrix_app_service_web/views/error_helpers.ex  | 16 -----
 lib/matrix_app_service_web/views/error_view.ex     | 16 -----
 20 files changed, 349 insertions(+), 246 deletions(-)
 create mode 100644 lib/matrix_app_service/event.ex
 create mode 100644 lib/matrix_app_service/phoenix/channels/user_socket.ex
 create mode 100644 lib/matrix_app_service/phoenix/controllers/v1/room_controller.ex
 create mode 100644 lib/matrix_app_service/phoenix/controllers/v1/third_party_controller.ex
 create mode 100644 lib/matrix_app_service/phoenix/controllers/v1/transaction_controller.ex
 create mode 100644 lib/matrix_app_service/phoenix/controllers/v1/user_controller.ex
 create mode 100644 lib/matrix_app_service/phoenix/endpoint.ex
 create mode 100644 lib/matrix_app_service/phoenix/phoenix.ex
 create mode 100644 lib/matrix_app_service/phoenix/router.ex
 create mode 100644 lib/matrix_app_service/phoenix/telemetry.ex
 create mode 100644 lib/matrix_app_service/phoenix/views/error_helpers.ex
 create mode 100644 lib/matrix_app_service/phoenix/views/error_view.ex
 delete mode 100644 lib/matrix_app_service_web.ex
 delete mode 100644 lib/matrix_app_service_web/channels/user_socket.ex
 delete mode 100644 lib/matrix_app_service_web/endpoint.ex
 delete mode 100644 lib/matrix_app_service_web/router.ex
 delete mode 100644 lib/matrix_app_service_web/telemetry.ex
 delete mode 100644 lib/matrix_app_service_web/views/error_helpers.ex
 delete mode 100644 lib/matrix_app_service_web/views/error_view.ex

diff --git a/lib/matrix_app_service/application.ex b/lib/matrix_app_service/application.ex
index 648cc70..f3d5803 100644
--- a/lib/matrix_app_service/application.ex
+++ b/lib/matrix_app_service/application.ex
@@ -8,11 +8,11 @@ defmodule MatrixAppService.Application do
   def start(_type, _args) do
     children = [
       # Start the Telemetry supervisor
-      MatrixAppServiceWeb.Telemetry,
+      # MatrixAppServiceWeb.Telemetry,
       # Start the PubSub system
-      {Phoenix.PubSub, name: MatrixAppService.PubSub},
+      # {Phoenix.PubSub, name: MatrixAppService.PubSub},
       # Start the Endpoint (http/https)
-      MatrixAppServiceWeb.Endpoint
+      # MatrixAppServiceWeb.Endpoint
       # Start a worker by calling: MatrixAppService.Worker.start_link(arg)
       # {MatrixAppService.Worker, arg}
     ]
diff --git a/lib/matrix_app_service/event.ex b/lib/matrix_app_service/event.ex
new file mode 100644
index 0000000..9bdf34d
--- /dev/null
+++ b/lib/matrix_app_service/event.ex
@@ -0,0 +1,12 @@
+defmodule MatrixAppService.Event do
+  defstruct age:              nil,
+            content:          %{},
+            event_id:         nil,
+            origin_server_ts: nil,
+            room_id:          nil,
+            sender:           nil,
+            type:             nil,
+            unsigned:         %{},
+            user_id:          nil
+
+end
diff --git a/lib/matrix_app_service/phoenix/channels/user_socket.ex b/lib/matrix_app_service/phoenix/channels/user_socket.ex
new file mode 100644
index 0000000..ec2e9fb
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/channels/user_socket.ex
@@ -0,0 +1,35 @@
+defmodule MatrixAppServiceWeb.UserSocket do
+  use Phoenix.Socket
+
+  ## Channels
+  # channel "room:*", MatrixAppServiceWeb.RoomChannel
+
+  # Socket params are passed from the client and can
+  # be used to verify and authenticate a user. After
+  # verification, you can put default assigns into
+  # the socket that will be set for all channels, ie
+  #
+  #     {:ok, assign(socket, :user_id, verified_user_id)}
+  #
+  # To deny connection, return `:error`.
+  #
+  # See `Phoenix.Token` documentation for examples in
+  # performing token verification on connect.
+  @impl true
+  def connect(_params, socket, _connect_info) do
+    {:ok, socket}
+  end
+
+  # Socket id's are topics that allow you to identify all sockets for a given user:
+  #
+  #     def id(socket), do: "user_socket:#{socket.assigns.user_id}"
+  #
+  # Would allow you to broadcast a "disconnect" event and terminate
+  # all active sockets and channels for a given user:
+  #
+  #     MatrixAppServiceWeb.Endpoint.broadcast("user_socket:#{user.id}", "disconnect", %{})
+  #
+  # Returning `nil` makes this socket anonymous.
+  @impl true
+  def id(_socket), do: nil
+end
diff --git a/lib/matrix_app_service/phoenix/controllers/v1/room_controller.ex b/lib/matrix_app_service/phoenix/controllers/v1/room_controller.ex
new file mode 100644
index 0000000..409ffa7
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/controllers/v1/room_controller.ex
@@ -0,0 +1,7 @@
+defmodule MatrixAppService.Phoenix.V1.RoomController do
+  use MatrixAppService.Phoenix, :controller
+
+  def show(conn, _params) do
+    send_resp(conn, 404, "")
+  end
+end
diff --git a/lib/matrix_app_service/phoenix/controllers/v1/third_party_controller.ex b/lib/matrix_app_service/phoenix/controllers/v1/third_party_controller.ex
new file mode 100644
index 0000000..32b7e7b
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/controllers/v1/third_party_controller.ex
@@ -0,0 +1,7 @@
+defmodule MatrixAppService.Phoenix.V1.ThirdPartyController do
+  use MatrixAppService.Phoenix, :controller
+
+  def show(conn, _params) do
+    send_resp(conn, 200, "")
+  end
+end
diff --git a/lib/matrix_app_service/phoenix/controllers/v1/transaction_controller.ex b/lib/matrix_app_service/phoenix/controllers/v1/transaction_controller.ex
new file mode 100644
index 0000000..ebee348
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/controllers/v1/transaction_controller.ex
@@ -0,0 +1,52 @@
+defmodule MatrixAppService.Phoenix.V1.TransactionController do
+  use MatrixAppService.Phoenix, :controller
+
+  @module Application.compile_env!(:matrix_app_service, :module)
+
+  # %{"access_token" => access_token,
+  #   "events" => [
+  #     %{"age" => 199,
+  #       "content" => %{
+  #         "body" => "test",
+  #         "msgtype" => "m.room.message"},
+  #       "event_id" => "$pMDN7TcsCapjLRYoITwryk0anpQGs60y2Eng3lxropc",
+  #       "origin_server_ts" => 1588950428966,
+  #       "room_id" => "!SrVtqmyqzuaMnfVImP:matrix.imago.local",
+  #       "sender" => "@alice:matrix.imago.local",
+  #       "type" => "m.room.message",
+  #       "unsigned" => %{"age" => 199},
+  #       "user_id" => "@alice:matrix.imago.local"}],
+  #   "txn_id" => "269"}
+
+  defp create_event(
+    %{"age" => age,
+      "content" => content,
+      "event_id" => event_id,
+      "origin_server_ts" => origin_server_ts,
+      "room_id" => room_id,
+      "sender" => sender,
+      "type" => type,
+      "unsigned" => unsigned,
+      "user_id" => user_id
+    }) do
+      event =
+        %MatrixAppService.Event{
+          age: age,
+          content: content,
+          event_id: event_id,
+          origin_server_ts: origin_server_ts,
+          room_id: room_id,
+          sender: sender,
+          type: type,
+          unsigned: unsigned,
+          user_id: user_id
+        }
+
+      @module.new_event(event)
+    end
+
+  def create(conn, %{"events" => events}) do
+    Enum.each(events, &create_event(&1))
+    send_resp(conn, 200, "{}")
+  end
+end
diff --git a/lib/matrix_app_service/phoenix/controllers/v1/user_controller.ex b/lib/matrix_app_service/phoenix/controllers/v1/user_controller.ex
new file mode 100644
index 0000000..df11a4b
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/controllers/v1/user_controller.ex
@@ -0,0 +1,7 @@
+defmodule MatrixAppService.Phoenix.V1.UserController do
+  use MatrixAppService.Phoenix, :controller
+
+  def show(conn, _params) do
+    send_resp(conn, 404, "")
+  end
+end
diff --git a/lib/matrix_app_service/phoenix/endpoint.ex b/lib/matrix_app_service/phoenix/endpoint.ex
new file mode 100644
index 0000000..8af15eb
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/endpoint.ex
@@ -0,0 +1,45 @@
+#defmodule MatrixAppServiceWeb.Endpoint do
+#  use Phoenix.Endpoint, otp_app: :matrix_app_service
+
+#  # The session will be stored in the cookie and signed,
+#  # this means its contents can be read but not tampered with.
+#  # Set :encryption_salt if you would also like to encrypt it.
+#  @session_options [
+#    store: :cookie,
+#    key: "_matrix_app_service_key",
+#    signing_salt: "zE7AHynD"
+#  ]
+
+#  socket "/socket", MatrixAppServiceWeb.UserSocket,
+#    websocket: true,
+#    longpoll: false
+
+#  # Serve at "/" the static files from "priv/static" directory.
+#  #
+#  # You should set gzip to true if you are running phx.digest
+#  # when deploying your static files in production.
+#  plug Plug.Static,
+#    at: "/",
+#    from: :matrix_app_service,
+#    gzip: false,
+#    only: ~w(css fonts images js favicon.ico robots.txt)
+
+#  # Code reloading can be explicitly enabled under the
+#  # :code_reloader configuration of your endpoint.
+#  if code_reloading? do
+#    plug Phoenix.CodeReloader
+#  end
+
+#  plug Plug.RequestId
+#  plug Plug.Telemetry, event_prefix: [:phoenix, :endpoint]
+
+#  plug Plug.Parsers,
+#    parsers: [:urlencoded, :multipart, :json],
+#    pass: ["*/*"],
+#    json_decoder: Phoenix.json_library()
+
+#  plug Plug.MethodOverride
+#  plug Plug.Head
+#  plug Plug.Session, @session_options
+#  plug MatrixAppServiceWeb.Router
+#end
diff --git a/lib/matrix_app_service/phoenix/phoenix.ex b/lib/matrix_app_service/phoenix/phoenix.ex
new file mode 100644
index 0000000..989c131
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/phoenix.ex
@@ -0,0 +1,74 @@
+defmodule MatrixAppService.Phoenix do
+  @moduledoc """
+  The entrypoint for defining your web interface, such
+  as controllers, views, channels and so on.
+
+  This can be used in your application as:
+
+      use MatrixAppServiceWeb, :controller
+      use MatrixAppServiceWeb, :view
+
+  The definitions below will be executed for every view,
+  controller, etc, so keep them short and clean, focused
+  on imports, uses and aliases.
+
+  Do NOT define functions inside the quoted expressions
+  below. Instead, define any helper function in modules
+  and import those modules here.
+  """
+
+  def controller do
+    quote do
+      use Phoenix.Controller, namespace: MatrixAppServiceWeb
+
+      import Plug.Conn
+      alias MatrixAppService.Phoenix.Router.Helpers, as: Routes
+    end
+  end
+
+  def view do
+    quote do
+      use Phoenix.View,
+        root: "lib/matrix_app_service/phoenix/templates",
+        namespace: MatrixAppService.Phoenix
+
+      # Import convenience functions from controllers
+      import Phoenix.Controller, only: [get_flash: 1, get_flash: 2, view_module: 1]
+
+      # Include shared imports and aliases for views
+      unquote(view_helpers())
+    end
+  end
+
+  def router do
+    quote do
+      use Phoenix.Router
+
+      import Plug.Conn
+      import Phoenix.Controller
+    end
+  end
+
+  def channel do
+    quote do
+      use Phoenix.Channel
+    end
+  end
+
+  defp view_helpers do
+    quote do
+      # Import basic rendering functionality (render, render_layout, etc)
+      import Phoenix.View
+
+      import MatrixAppService.Phoenix.ErrorHelpers
+      alias MatrixAppService.Phoenix.Router.Helpers, as: Routes
+    end
+  end
+
+  @doc """
+  When used, dispatch to the appropriate controller/view/etc.
+  """
+  defmacro __using__(which) when is_atom(which) do
+    apply(__MODULE__, which, [])
+  end
+end
diff --git a/lib/matrix_app_service/phoenix/router.ex b/lib/matrix_app_service/phoenix/router.ex
new file mode 100644
index 0000000..715464b
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/router.ex
@@ -0,0 +1,29 @@
+defmodule MatrixAppService.Phoenix.Router do
+
+  defmacro routes() do
+    quote do
+      pipeline :matrix_api do
+        plug :accepts, ["json"]
+      end
+
+      scope "/matrix", MatrixAppService.Phoenix.V1 do
+        pipe_through :matrix_api
+
+        # scope "/v1", V1 do
+          put "/transactions/:txn_id", TransactionController, :create
+
+          get "/users/:user_id", UserController, :show
+          get "/rooms/:room_alias", RoomController, :show
+
+          # scope "/thirdparty", ThirdParty do
+            get "/thirdparty/protocol/:protocol", ThirdPartyController, :show
+            get "/thirdparty/user/:protocol", ThirdPartyController, :show
+            get "/thirdparty/location/:protocol", ThirdPartyController, :show
+            get "/thirdparty/location", ThirdPartyController, :show
+            get "/thirdparty/user", ThirdPartyController, :show
+          # end
+        # end
+      end
+    end
+  end
+end
diff --git a/lib/matrix_app_service/phoenix/telemetry.ex b/lib/matrix_app_service/phoenix/telemetry.ex
new file mode 100644
index 0000000..de3ec2d
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/telemetry.ex
@@ -0,0 +1,46 @@
+defmodule MatrixAppServiceWeb.Telemetry do
+  use Supervisor
+  import Telemetry.Metrics
+
+  def start_link(arg) do
+    Supervisor.start_link(__MODULE__, arg, name: __MODULE__)
+  end
+
+  @impl true
+  def init(_arg) do
+    children = [
+      {:telemetry_poller, measurements: periodic_measurements(), period: 10_000}
+      # Add reporters as children of your supervision tree.
+      # {Telemetry.Metrics.ConsoleReporter, metrics: metrics()}
+    ]
+
+    Supervisor.init(children, strategy: :one_for_one)
+  end
+
+  def metrics do
+    [
+      # Phoenix Metrics
+      summary("phoenix.endpoint.stop.duration",
+        unit: {:native, :millisecond}
+      ),
+      summary("phoenix.router_dispatch.stop.duration",
+        tags: [:route],
+        unit: {:native, :millisecond}
+      ),
+
+      # VM Metrics
+      summary("vm.memory.total", unit: {:byte, :kilobyte}),
+      summary("vm.total_run_queue_lengths.total"),
+      summary("vm.total_run_queue_lengths.cpu"),
+      summary("vm.total_run_queue_lengths.io")
+    ]
+  end
+
+  defp periodic_measurements do
+    [
+      # A module, function and arguments to be invoked periodically.
+      # This function must call :telemetry.execute/3 and a metric must be added above.
+      # {MatrixAppServiceWeb, :count_users, []}
+    ]
+  end
+end
diff --git a/lib/matrix_app_service/phoenix/views/error_helpers.ex b/lib/matrix_app_service/phoenix/views/error_helpers.ex
new file mode 100644
index 0000000..21e3555
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/views/error_helpers.ex
@@ -0,0 +1,16 @@
+defmodule MatrixAppService.Phoenix.ErrorHelpers do
+  @moduledoc """
+  Conveniences for translating and building error messages.
+  """
+
+  @doc """
+  Translates an error message.
+  """
+  def translate_error({msg, opts}) do
+    # Because the error messages we show in our forms and APIs
+    # are defined inside Ecto, we need to translate them dynamically.
+    Enum.reduce(opts, msg, fn {key, value}, acc ->
+      String.replace(acc, "%{#{key}}", to_string(value))
+    end)
+  end
+end
diff --git a/lib/matrix_app_service/phoenix/views/error_view.ex b/lib/matrix_app_service/phoenix/views/error_view.ex
new file mode 100644
index 0000000..d9b91cc
--- /dev/null
+++ b/lib/matrix_app_service/phoenix/views/error_view.ex
@@ -0,0 +1,16 @@
+defmodule MatrixAppService.Phoenix.ErrorView do
+  use MatrixAppService.Phoenix, :view
+
+  # If you want to customize a particular status code
+  # for a certain format, you may uncomment below.
+  # def render("500.json", _assigns) do
+  #   %{errors: %{detail: "Internal Server Error"}}
+  # end
+
+  # By default, Phoenix returns the status message from
+  # the template name. For example, "404.json" becomes
+  # "Not Found".
+  def template_not_found(template, _assigns) do
+    %{errors: %{detail: Phoenix.Controller.status_message_from_template(template)}}
+  end
+end
diff --git a/lib/matrix_app_service_web.ex b/lib/matrix_app_service_web.ex
deleted file mode 100644
index e388fee..0000000
--- a/lib/matrix_app_service_web.ex
+++ /dev/null
@@ -1,74 +0,0 @@
-defmodule MatrixAppServiceWeb do
-  @moduledoc """
-  The entrypoint for defining your web interface, such
-  as controllers, views, channels and so on.
-
-  This can be used in your application as:
-
-      use MatrixAppServiceWeb, :controller
-      use MatrixAppServiceWeb, :view
-
-  The definitions below will be executed for every view,
-  controller, etc, so keep them short and clean, focused
-  on imports, uses and aliases.
-
-  Do NOT define functions inside the quoted expressions
-  below. Instead, define any helper function in modules
-  and import those modules here.
-  """
-
-  def controller do
-    quote do
-      use Phoenix.Controller, namespace: MatrixAppServiceWeb
-
-      import Plug.Conn
-      alias MatrixAppServiceWeb.Router.Helpers, as: Routes
-    end
-  end
-
-  def view do
-    quote do
-      use Phoenix.View,
-        root: "lib/matrix_app_service_web/templates",
-        namespace: MatrixAppServiceWeb
-
-      # Import convenience functions from controllers
-      import Phoenix.Controller, only: [get_flash: 1, get_flash: 2, view_module: 1]
-
-      # Include shared imports and aliases for views
-      unquote(view_helpers())
-    end
-  end
-
-  def router do
-    quote do
-      use Phoenix.Router
-
-      import Plug.Conn
-      import Phoenix.Controller
-    end
-  end
-
-  def channel do
-    quote do
-      use Phoenix.Channel
-    end
-  end
-
-  defp view_helpers do
-    quote do
-      # Import basic rendering functionality (render, render_layout, etc)
-      import Phoenix.View
-
-      import MatrixAppServiceWeb.ErrorHelpers
-      alias MatrixAppServiceWeb.Router.Helpers, as: Routes
-    end
-  end
-
-  @doc """
-  When used, dispatch to the appropriate controller/view/etc.
-  """
-  defmacro __using__(which) when is_atom(which) do
-    apply(__MODULE__, which, [])
-  end
-end
diff --git a/lib/matrix_app_service_web/channels/user_socket.ex b/lib/matrix_app_service_web/channels/user_socket.ex
deleted file mode 100644
index ec2e9fb..0000000
--- a/lib/matrix_app_service_web/channels/user_socket.ex
+++ /dev/null
@@ -1,35 +0,0 @@
-defmodule MatrixAppServiceWeb.UserSocket do
-  use Phoenix.Socket
-
-  ## Channels
-  # channel "room:*", MatrixAppServiceWeb.RoomChannel
-
-  # Socket params are passed from the client and can
-  # be used to verify and authenticate a user. After
-  # verification, you can put default assigns into
-  # the socket that will be set for all channels, ie
-  #
-  #     {:ok, assign(socket, :user_id, verified_user_id)}
-  #
-  # To deny connection, return `:error`.
-  #
-  # See `Phoenix.Token` documentation for examples in
-  # performing token verification on connect.
-  @impl true
-  def connect(_params, socket, _connect_info) do
-    {:ok, socket}
-  end
-
-  # Socket id's are topics that allow you to identify all sockets for a given user:
-  #
-  #     def id(socket), do: "user_socket:#{socket.assigns.user_id}"
-  #
-  # Would allow you to broadcast a "disconnect" event and terminate
-  # all active sockets and channels for a given user:
-  #
-  #     MatrixAppServiceWeb.Endpoint.broadcast("user_socket:#{user.id}", "disconnect", %{})
-  #
-  # Returning `nil` makes this socket anonymous.
-  @impl true
-  def id(_socket), do: nil
-end
diff --git a/lib/matrix_app_service_web/endpoint.ex b/lib/matrix_app_service_web/endpoint.ex
deleted file mode 100644
index 0ee00fc..0000000
--- a/lib/matrix_app_service_web/endpoint.ex
+++ /dev/null
@@ -1,45 +0,0 @@
-defmodule MatrixAppServiceWeb.Endpoint do
-  use Phoenix.Endpoint, otp_app: :matrix_app_service
-
-  # The session will be stored in the cookie and signed,
-  # this means its contents can be read but not tampered with.
-  # Set :encryption_salt if you would also like to encrypt it.
-  @session_options [
-    store: :cookie,
-    key: "_matrix_app_service_key",
-    signing_salt: "zE7AHynD"
-  ]
-
-  socket "/socket", MatrixAppServiceWeb.UserSocket,
-    websocket: true,
-    longpoll: false
-
-  # Serve at "/" the static files from "priv/static" directory.
-  #
-  # You should set gzip to true if you are running phx.digest
-  # when deploying your static files in production.
-  plug Plug.Static,
-    at: "/",
-    from: :matrix_app_service,
-    gzip: false,
-    only: ~w(css fonts images js favicon.ico robots.txt)
-
-  # Code reloading can be explicitly enabled under the
-  # :code_reloader configuration of your endpoint.
-  if code_reloading? do
-    plug Phoenix.CodeReloader
-  end
-
-  plug Plug.RequestId
-  plug Plug.Telemetry, event_prefix: [:phoenix, :endpoint]
-
-  plug Plug.Parsers,
-    parsers: [:urlencoded, :multipart, :json],
-    pass: ["*/*"],
-    json_decoder: Phoenix.json_library()
-
-  plug Plug.MethodOverride
-  plug Plug.Head
-  plug Plug.Session, @session_options
-  plug MatrixAppServiceWeb.Router
-end
diff --git a/lib/matrix_app_service_web/router.ex b/lib/matrix_app_service_web/router.ex
deleted file mode 100644
index 3a24510..0000000
--- a/lib/matrix_app_service_web/router.ex
+++ /dev/null
@@ -1,11 +0,0 @@
-defmodule MatrixAppServiceWeb.Router do
-  use MatrixAppServiceWeb, :router
-
-  pipeline :api do
-    plug :accepts, ["json"]
-  end
-
-  scope "/api", MatrixAppServiceWeb do
-    pipe_through :api
-  end
-end
diff --git a/lib/matrix_app_service_web/telemetry.ex b/lib/matrix_app_service_web/telemetry.ex
deleted file mode 100644
index de3ec2d..0000000
--- a/lib/matrix_app_service_web/telemetry.ex
+++ /dev/null
@@ -1,46 +0,0 @@
-defmodule MatrixAppServiceWeb.Telemetry do
-  use Supervisor
-  import Telemetry.Metrics
-
-  def start_link(arg) do
-    Supervisor.start_link(__MODULE__, arg, name: __MODULE__)
-  end
-
-  @impl true
-  def init(_arg) do
-    children = [
-      {:telemetry_poller, measurements: periodic_measurements(), period: 10_000}
-      # Add reporters as children of your supervision tree.
-      # {Telemetry.Metrics.ConsoleReporter, metrics: metrics()}
-    ]
-
-    Supervisor.init(children, strategy: :one_for_one)
-  end
-
-  def metrics do
-    [
-      # Phoenix Metrics
-      summary("phoenix.endpoint.stop.duration",
-        unit: {:native, :millisecond}
-      ),
-      summary("phoenix.router_dispatch.stop.duration",
-        tags: [:route],
-        unit: {:native, :millisecond}
-      ),
-
-      # VM Metrics
-      summary("vm.memory.total", unit: {:byte, :kilobyte}),
-      summary("vm.total_run_queue_lengths.total"),
-      summary("vm.total_run_queue_lengths.cpu"),
-      summary("vm.total_run_queue_lengths.io")
-    ]
-  end
-
-  defp periodic_measurements do
-    [
-      # A module, function and arguments to be invoked periodically.
-      # This function must call :telemetry.execute/3 and a metric must be added above.
-      # {MatrixAppServiceWeb, :count_users, []}
-    ]
-  end
-end
diff --git a/lib/matrix_app_service_web/views/error_helpers.ex b/lib/matrix_app_service_web/views/error_helpers.ex
deleted file mode 100644
index 4eff422..0000000
--- a/lib/matrix_app_service_web/views/error_helpers.ex
+++ /dev/null
@@ -1,16 +0,0 @@
-defmodule MatrixAppServiceWeb.ErrorHelpers do
-  @moduledoc """
-  Conveniences for translating and building error messages.
-  """
-
-  @doc """
-  Translates an error message.
-  """
-  def translate_error({msg, opts}) do
-    # Because the error messages we show in our forms and APIs
-    # are defined inside Ecto, we need to translate them dynamically.
-    Enum.reduce(opts, msg, fn {key, value}, acc ->
-      String.replace(acc, "%{#{key}}", to_string(value))
-    end)
-  end
-end
diff --git a/lib/matrix_app_service_web/views/error_view.ex b/lib/matrix_app_service_web/views/error_view.ex
deleted file mode 100644
index 2358355..0000000
--- a/lib/matrix_app_service_web/views/error_view.ex
+++ /dev/null
@@ -1,16 +0,0 @@
-defmodule MatrixAppServiceWeb.ErrorView do
-  use MatrixAppServiceWeb, :view
-
-  # If you want to customize a particular status code
-  # for a certain format, you may uncomment below.
-  # def render("500.json", _assigns) do
-  #   %{errors: %{detail: "Internal Server Error"}}
-  # end
-
-  # By default, Phoenix returns the status message from
-  # the template name. For example, "404.json" becomes
-  # "Not Found".
-  def template_not_found(template, _assigns) do
-    %{errors: %{detail: Phoenix.Controller.status_message_from_template(template)}}
-  end
-end
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