Feat/add default context when it's missing (#69)

* Update extract_message.ex

* Update messages_extractor.ex

* Create v03.ex

* set default context when missing

* Update README.md

* Create V04.ex

* Update V04.ex

* mix format

README.md

@@ -141,11 +141,11 @@ defmodule MyApp.Repo.Migrations.AddKantaTranslationsTable do
   use Ecto.Migration
 
   def up do
-    Kanta.Migration.up(version: 2, prefix: prefix()) # Prefix is needed if you are using multitenancy with i.e. triplex
+    Kanta.Migration.up(version: 3, prefix: prefix()) # Prefix is needed if you are using multitenancy with i.e. triplex
   end
 
   def down do
-    Kanta.Migration.down(version: 2, prefix: prefix()) # Prefix is needed if you are using multitenancy with i.e. triplex
+    Kanta.Migration.down(version: 3, prefix: prefix()) # Prefix is needed if you are using multitenancy with i.e. triplex
   end
 end
 ```

lib/kanta/migrations/postgresql/V04.ex

@@ -0,0 +1,23 @@
+defmodule Kanta.Migrations.Postgresql.V04 do
+  @moduledoc """
+  Kanta V4 Migrations
+  """
+
+  use Ecto.Migration
+
+  def up do
+    Kanta.Migration.up(version: 3)
+
+    execute(
+      "INSERT INTO kanta_contexts (name,inserted_at,updated_at) VALUES('default', NOW(), NOW()) ON CONFLICT (name) DO NOTHING;"
+    )
+
+    execute("UPDATE kanta_messages SET context_id=1 WHERE context_id IS NULL;")
+  end
+
+  def down do
+    execute("UPDATE kanta_messages SET context_id=NULL WHERE context_id=1;")
+
+    execute("DELETE FROM kanta_contexts WHERE name='default';")
+  end
+end

lib/kanta/migrations/postgresql/v03.ex

@@ -4,7 +4,6 @@ defmodule Kanta.Migrations.Postgresql.V03 do
   """
 
   use Ecto.Migration
-
   alias Kanta.Utils.Colors
 
   @kanta_application_sources "kanta_application_sources"

lib/kanta/po_files/handlers/messages_extractor.ex

@@ -4,6 +4,7 @@ defmodule Kanta.POFiles.MessagesExtractor do
   """
 
   @po_wildcard "**/*.po"
+  @default_context "default"
 
   alias Expo.{Messages, PO}
 
@@ -38,6 +39,7 @@ defmodule Kanta.POFiles.MessagesExtractor do
       %Expo.Message.Singular{msgctxt: nil, msgid: msgid, msgstr: texts} ->
         ExtractSingularTranslation.call(%{
           msgid: Enum.join(msgid),
+          context_name: @default_context,
           locale_name: locale,
           domain_name: domain,
           original_text: Enum.join(texts)
@@ -55,6 +57,7 @@ defmodule Kanta.POFiles.MessagesExtractor do
       %Expo.Message.Plural{msgctxt: nil, msgid_plural: msgid, msgstr: plurals_map} ->
         ExtractPluralTranslation.call(%{
           msgid: Enum.join(msgid),
+          context_name: @default_context,
           locale_name: locale,
           domain_name: domain,
           plurals_map: plurals_map,

lib/kanta/po_files/services/extract_message.ex

@@ -8,6 +8,9 @@ defmodule Kanta.PoFiles.Services.ExtractMessage do
   alias Kanta.Translations
   alias Kanta.Translations.{Context, Domain}
 
+  @default_domain "default"
+  @default_context "default"
+
   def call(attrs) do
     Repo.get_repo().transaction(fn ->
       with {:ok, domain} <- assign_domain(attrs[:domain_name]),
@@ -48,6 +51,7 @@ defmodule Kanta.PoFiles.Services.ExtractMessage do
       {:error, :message, :not_found} ->
         attrs
         |> Map.put(:context_id, context_id)
+        |> Map.put(:domain_id, @default_domain)
         |> Translations.create_message()
     end
   end
@@ -59,6 +63,7 @@ defmodule Kanta.PoFiles.Services.ExtractMessage do
 
       {:error, :message, :not_found} ->
         attrs
+        |> Map.put(:context_id, @default_context)
         |> Map.put(:domain_id, domain_id)
         |> Translations.create_message()
     end