Wrap error messages into gettext helpers

lib/pleroma/web/oauth/oauth_controller.ex

@@ -90,7 +90,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
       redirect(conn, external: url)
     else
       conn
-      |> put_flash(:error, "Unlisted redirect_uri.")
+      |> put_flash(:error, dgettext("errors", "Unlisted redirect_uri."))
       |> redirect(external: redirect_uri(conn, redirect_uri))
     end
   end
@@ -128,7 +128,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
       redirect(conn, external: url)
     else
       conn
-      |> put_flash(:error, "Unlisted redirect_uri.")
+      |> put_flash(:error, dgettext("errors", "Unlisted redirect_uri."))
       |> redirect(external: redirect_uri(conn, redirect_uri))
     end
   end
@@ -142,7 +142,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
     # Per https://github.com/tootsuite/mastodon/blob/
     #   51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L39
     conn
-    |> put_flash(:error, "This action is outside the authorized scopes")
+    |> put_flash(:error, dgettext("errors", "This action is outside the authorized scopes"))
     |> put_status(:unauthorized)
     |> authorize(params)
   end
@@ -155,7 +155,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
     # Per https://github.com/tootsuite/mastodon/blob/
     #   51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L76
     conn
-    |> put_flash(:error, "Your login is missing a confirmed e-mail address")
+    |> put_flash(:error, dgettext("errors", "Your login is missing a confirmed e-mail address"))
     |> put_status(:forbidden)
     |> authorize(params)
   end
@@ -176,9 +176,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
 
       json(conn, Token.Response.build(user, token, response_attrs))
     else
-      _error ->
-        put_status(conn, 400)
-        |> json(%{error: "Invalid credentials"})
+      _error -> render_invalid_credentials_error(conn)
     end
   end
 
@@ -192,9 +190,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
 
       json(conn, Token.Response.build(user, token, response_attrs))
     else
-      _error ->
-        put_status(conn, 400)
-        |> json(%{error: "Invalid credentials"})
+      _error -> render_invalid_credentials_error(conn)
     end
   end
 
@@ -214,18 +210,13 @@ defmodule Pleroma.Web.OAuth.OAuthController do
       {:auth_active, false} ->
         # Per https://github.com/tootsuite/mastodon/blob/
         #   51e154f5e87968d6bb115e053689767ab33e80cd/app/controllers/api/base_controller.rb#L76
-        conn
-        |> put_status(:forbidden)
-        |> json(%{error: "Your login is missing a confirmed e-mail address"})
+        render_error(conn, :forbidden, "Your login is missing a confirmed e-mail address")
 
       {:user_active, false} ->
-        conn
-        |> put_status(:forbidden)
-        |> json(%{error: "Your account is currently disabled"})
+        render_error(conn, :forbidden, "Your account is currently disabled")
 
       _error ->
-        put_status(conn, 400)
-        |> json(%{error: "Invalid credentials"})
+        render_invalid_credentials_error(conn)
     end
   end
 
@@ -247,9 +238,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
          {:ok, token} <- Token.exchange_token(app, auth) do
       json(conn, Token.Response.build_for_client_credentials(token))
     else
-      _error ->
-        put_status(conn, 400)
-        |> json(%{error: "Invalid credentials"})
+      _error -> render_invalid_credentials_error(conn)
     end
   end
 
@@ -271,9 +260,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
 
   # Response for bad request
   defp bad_request(%Plug.Conn{} = conn, _) do
-    conn
-    |> put_status(500)
-    |> json(%{error: "Bad request"})
+    render_error(conn, :internal_server_error, "Bad request")
   end
 
   @doc "Prepares OAuth request to provider for Ueberauth"
@@ -304,9 +291,11 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   def request(%Plug.Conn{} = conn, params) do
     message =
       if params["provider"] do
-        "Unsupported OAuth provider: #{params["provider"]}."
+        dgettext("errors", "Unsupported OAuth provider: %{provider}.",
+          provider: params["provider"]
+        )
       else
-        "Bad OAuth request."
+        dgettext("errors", "Bad OAuth request.")
       end
 
     conn
@@ -320,7 +309,10 @@ defmodule Pleroma.Web.OAuth.OAuthController do
     message = Enum.join(messages, "; ")
 
     conn
-    |> put_flash(:error, "Failed to authenticate: #{message}.")
+    |> put_flash(
+      :error,
+      dgettext("errors", "Failed to authenticate: %{message}.", message: message)
+    )
     |> redirect(external: redirect_uri(conn, params["redirect_uri"]))
   end
 
@@ -350,7 +342,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
         Logger.debug(inspect(["OAUTH_ERROR", error, conn.assigns]))
 
         conn
-        |> put_flash(:error, "Failed to set up user account.")
+        |> put_flash(:error, dgettext("errors", "Failed to set up user account."))
         |> redirect(external: redirect_uri(conn, params["redirect_uri"]))
     end
   end
@@ -468,4 +460,8 @@ defmodule Pleroma.Web.OAuth.OAuthController do
     |> String.split()
     |> Enum.at(0)
   end
+
+  defp render_invalid_credentials_error(conn) do
+    render_error(conn, :bad_request, "Invalid credentials")
+  end
 end