From 24fa837478a540a988e04178f6f85ee7a7647852 Mon Sep 17 00:00:00 2001
From: shibao <shibao@bubbletea.dev>
Date: Mon, 7 Feb 2022 19:30:21 -0500
Subject: [PATCH] configure gettext

---
 README.md                              |  1 +
 config/config.exs                      |  3 +++
 config/runtime.exs                     |  3 +++
 lib/cannery_web/views/error_helpers.ex | 22 +++++++++++++++-------
 mix.exs                                |  2 +-
 5 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 9d1bc38..a9d639f 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,7 @@ You can use the following environment variables to configure Cannery in
 - `SECRET_KEY_BASE`: Secret key base used to sign cookies. Must be generated
   with `docker exec -it cannery mix phx.gen.secret` and set for server to start.
 - `REGISTRATION`: Controls if user sign-up should be invite only or set to public. Set to `public` to enable public registration. Defaults to `invite`.
+- `LOCALE`: Sets a custom locale. Defaults to `en_US`.
 
 # Contribution
 
diff --git a/config/config.exs b/config/config.exs
index bb9c89d..3083f46 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -40,6 +40,9 @@ config :cannery, Cannery.Mailer, adapter: Swoosh.Adapters.Local
 # Swoosh API client is needed for adapters other than SMTP.
 config :swoosh, :api_client, false
 
+# Gettext
+config :gettext, :default_locale, "en_US"
+
 # Configure esbuild (the version is required)
 # config :esbuild,
 #   version: "0.14.0",
diff --git a/config/runtime.exs b/config/runtime.exs
index 798ee93..6d2eaf1 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -12,6 +12,9 @@ if System.get_env("PHX_SERVER") && System.get_env("RELEASE_NAME") do
   config :cannery, CanneryWeb.Endpoint, server: true
 end
 
+# Set locale
+Gettext.put_locale(System.get_env("LOCALE") || "en_US")
+
 maybe_ipv6 = if System.get_env("ECTO_IPV6"), do: [:inet6], else: []
 
 database_url =
diff --git a/lib/cannery_web/views/error_helpers.ex b/lib/cannery_web/views/error_helpers.ex
index 6fce063..ce054c2 100644
--- a/lib/cannery_web/views/error_helpers.ex
+++ b/lib/cannery_web/views/error_helpers.ex
@@ -17,12 +17,11 @@ defmodule CanneryWeb.ErrorHelpers do
     assigns = %{extra_class: extra_class, form: form, field: field}
 
     ~H"""
-      <%= for error <- Keyword.get_values(@form.errors, @field) do %>
-        <span class={"invalid-feedback #{@extra_class}"}
-          phx-feedback-for={input_name(@form, @field)}>
-          <%= translate_error(error) %>
-        </span>
-      <% end %>
+    <%= for error <- Keyword.get_values(@form.errors, @field) do %>
+      <span class={"invalid-feedback #{@extra_class}"} phx-feedback-for={input_name(@form, @field)}>
+        <%= translate_error(error) %>
+      </span>
+    <% end %>
     """
   end
 
@@ -61,9 +60,18 @@ defmodule CanneryWeb.ErrorHelpers do
   @spec changeset_errors(Changeset.t()) :: String.t()
   def changeset_errors(changeset) do
     changeset
-    |> Changeset.traverse_errors(fn error -> error |> translate_error() end)
+    |> changeset_error_map()
     |> Enum.map_join(". ", fn {key, errors} ->
       "#{key |> humanize()}: #{errors |> Enum.join(", ")}"
     end)
   end
+
+  @doc """
+  Displays all errors from a changeset in a key value map
+  """
+  @spec changeset_error_map(Changeset.t()) :: %{atom() => [String.t()]}
+  def changeset_error_map(changeset) do
+    changeset
+    |> Changeset.traverse_errors(fn error -> error |> translate_error() end)
+  end
 end
diff --git a/mix.exs b/mix.exs
index 04f23b0..3a4995e 100644
--- a/mix.exs
+++ b/mix.exs
@@ -69,7 +69,7 @@ defmodule Cannery.MixProject do
       setup: ["deps.get", "compile", "ecto.setup", "cmd npm install --prefix assets"],
       "ecto.setup": ["ecto.create", "ecto.migrate", "run priv/repo/seeds.exs"],
       "ecto.reset": ["ecto.drop", "ecto.setup"],
-      format: ["cmd npm run format --prefix assets", "format"],
+      format: ["cmd npm run format --prefix assets", "format", "gettext.extract"],
       test: [
         "cmd npm run test --prefix assets",
         "dialyzer",