feat: add support for Spatie Translatable

Signed-off-by: Lukas Frey <[email protected]>

composer.json

@@ -22,7 +22,8 @@
     },
     "require-dev": {
         "orchestra/testbench": "^8.0",
-        "laravel/pint": "^1.11"
+        "laravel/pint": "^1.11",
+        "filament/spatie-laravel-translatable-plugin": "^3.2"
     },
     "extra": {
         "laravel": {

src/Concerns/CreateRelatedRecord/Translatable.php

@@ -0,0 +1,115 @@
+<?php
+
+namespace Guava\FilamentNestedResources\Concerns\CreateRelatedRecord;
+
+use Filament\Facades\Filament;
+use Filament\Resources\Concerns\HasActiveLocaleSwitcher;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Arr;
+use Illuminate\Validation\ValidationException;
+use Livewire\Attributes\Locked;
+
+trait Translatable
+{
+
+    use HasActiveLocaleSwitcher;
+
+    protected ?string $oldActiveLocale = null;
+
+    #[Locked]
+    public $otherLocaleData = [];
+
+    public function mountTranslatable(): void
+    {
+        $resource = Filament::getModelResource($this->getRelation()->getRelated());
+
+        $this->activeLocale = $resource::getDefaultTranslatableLocale();
+    }
+
+    public function getTranslatableLocales(): array
+    {
+        $resource = Filament::getModelResource($this->getRelation()->getRelated());
+
+        return $resource::getTranslatableLocales();
+    }
+
+    protected function handleRecordCreation(array $data): Model
+    {
+        $model = $this->getRelation()->getRelated();
+        $resource = Filament::getModelResource($model);
+
+        $record = app($model::class);
+
+        $translatableAttributes = $resource::getTranslatableAttributes();
+
+        $record->fill(Arr::except($data, $translatableAttributes));
+
+        foreach (Arr::only($data, $translatableAttributes) as $key => $value) {
+            $record->setTranslation($key, $this->activeLocale, $value);
+        }
+
+        $originalData = $this->data;
+
+        foreach ($this->otherLocaleData as $locale => $localeData) {
+            $this->data = [
+                ...$this->data,
+                ...$localeData,
+            ];
+
+            try {
+                $this->form->validate();
+            } catch (ValidationException $exception) {
+                continue;
+            }
+
+            $localeData = $this->mutateFormDataBeforeCreate($localeData);
+
+            foreach (Arr::only($localeData, $translatableAttributes) as $key => $value) {
+                $record->setTranslation($key, $locale, $value);
+            }
+        }
+
+        $this->data = $originalData;
+
+        if ($owner = $this->getOwnerRecord()) {
+            $record = $this->associateRecordWithParent($record, $owner);
+        }
+
+        if (
+            $resource::isScopedToTenant() &&
+            ($tenant = Filament::getTenant())
+        ) {
+            return $this->associateRecordWithTenant($record, $tenant);
+        }
+
+        $record->save();
+
+        return $record;
+    }
+
+    public function updatingActiveLocale(): void
+    {
+        $this->oldActiveLocale = $this->activeLocale;
+    }
+
+    public function updatedActiveLocale(string $newActiveLocale): void
+    {
+        if (blank($this->oldActiveLocale)) {
+            return;
+        }
+
+        $this->resetValidation();
+        $resource = Filament::getModelResource($this->getRelation()->getRelated());
+
+        $translatableAttributes = $resource::getTranslatableAttributes();
+
+        $this->otherLocaleData[$this->oldActiveLocale] = Arr::only($this->data, $translatableAttributes);
+
+        $this->data = [
+            ...Arr::except($this->data, $translatableAttributes),
+            ...$this->otherLocaleData[$this->activeLocale] ?? [],
+        ];
+
+        unset($this->otherLocaleData[$this->activeLocale]);
+    }
+}