update gettext syntax

lib/memex_web/components/core_components.ex

@@ -5,7 +5,8 @@ defmodule MemexWeb.CoreComponents do
   use PhoenixHTMLHelpers
   use Phoenix.Component
   use MemexWeb, :verified_routes
-  import MemexWeb.{Gettext, HTMLHelpers}
+  use Gettext, backend: MemexWeb.Gettext
+  import MemexWeb.HTMLHelpers
   alias Memex.{Accounts, Accounts.Invite, Accounts.User}
   alias Memex.Contexts.Context
   alias Memex.Notes.Note

lib/memex_web/controllers/error_json.ex

@@ -1,5 +1,5 @@
 defmodule MemexWeb.ErrorJSON do
-  import MemexWeb.Gettext
+  use Gettext, backend: MemexWeb.Gettext
 
   def render(template, _assigns) do
     error_string =

lib/memex_web/controllers/user_auth.ex

@@ -4,9 +4,9 @@ defmodule MemexWeb.UserAuth do
   """
 
   use MemexWeb, :verified_routes
+  use Gettext, backend: MemexWeb.Gettext
   import Plug.Conn
   import Phoenix.Controller
-  import MemexWeb.Gettext
   alias Memex.{Accounts, Accounts.User}
 
   # Make the remember me cookie valid for 60 days.

lib/memex_web/controllers/user_confirmation_controller.ex

@@ -1,7 +1,6 @@
 defmodule MemexWeb.UserConfirmationController do
   use MemexWeb, :controller
-
-  import MemexWeb.Gettext
+  use Gettext, backend: MemexWeb.Gettext
   alias Memex.Accounts
 
   def new(conn, _params) do

lib/memex_web/controllers/user_registration_controller.ex

@@ -1,6 +1,6 @@
 defmodule MemexWeb.UserRegistrationController do
   use MemexWeb, :controller
-  import MemexWeb.Gettext
+  use Gettext, backend: MemexWeb.Gettext
   alias Ecto.Changeset
   alias Memex.{Accounts, Accounts.Invites}
 

lib/memex_web/controllers/user_settings_controller.ex

@@ -1,6 +1,6 @@
 defmodule MemexWeb.UserSettingsController do
   use MemexWeb, :controller
-  import MemexWeb.Gettext
+  use Gettext, backend: MemexWeb.Gettext
   alias Memex.Accounts
   alias MemexWeb.UserAuth
 

lib/memex_web/gettext.ex

@@ -5,7 +5,7 @@ defmodule MemexWeb.Gettext do
   By using [Gettext](https://hexdocs.pm/gettext),
   your module gains a set of macros for translations, for example:
 
-      import MemexWeb.Gettext
+      use Gettext, backend: MemexWeb.Gettext
 
       # Simple translation
       gettext("Here is the string to translate")
@@ -20,5 +20,5 @@ defmodule MemexWeb.Gettext do
 
   See the [Gettext Docs](https://hexdocs.pm/gettext) for detailed usage.
   """
-  use Gettext, otp_app: :memex
+  use Gettext.Backend, otp_app: :memex
 end