update gettext schema and use macros for cannery app

lib/cannery_web/components/core_components.ex

@@ -4,7 +4,8 @@ defmodule CanneryWeb.CoreComponents do
   """
   use Phoenix.Component
   use CanneryWeb, :verified_routes
-  import CanneryWeb.{Gettext, HTMLHelpers}
+  use Gettext, backend: CanneryWeb.Gettext
+  import CanneryWeb.HTMLHelpers
   alias Cannery.{Accounts, Accounts.Invite, Accounts.User}
   alias Cannery.{Ammo, Ammo.Pack}
   alias Cannery.{Containers.Container, Containers.Tag}

lib/cannery_web/controllers/error_json.ex

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

lib/cannery_web/controllers/user_auth.ex

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

lib/cannery_web/controllers/user_confirmation_controller.ex

@@ -1,7 +1,5 @@
 defmodule CanneryWeb.UserConfirmationController do
   use CanneryWeb, :controller
-
-  import CanneryWeb.Gettext
   alias Cannery.Accounts
 
   def new(conn, _params) do

lib/cannery_web/controllers/user_registration_controller.ex

@@ -1,6 +1,5 @@
 defmodule CanneryWeb.UserRegistrationController do
   use CanneryWeb, :controller
-  import CanneryWeb.Gettext
   alias Cannery.{Accounts, Accounts.Invites}
   alias Ecto.Changeset
 

lib/cannery_web/controllers/user_settings_controller.ex

@@ -1,6 +1,5 @@
 defmodule CanneryWeb.UserSettingsController do
   use CanneryWeb, :controller
-  import CanneryWeb.Gettext
   alias Cannery.Accounts
   alias CanneryWeb.UserAuth
 

lib/cannery_web/gettext.ex

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