app/application/app/Dto/Service/Admin/Project/Language.php

@@ -3,6 +3,7 @@
 namespace App\Dto\Service\Admin\Project;
 
 use App\Dto\Service\Dto;
+use App\Enums\Lang;
 
 final readonly class Language extends Dto
 {
@@ -11,7 +12,9 @@ public function __construct(
         private string  $code,
         private int     $sort,
         private bool    $isDefault,
-        private ?int   $id,
+        private ?string $isoCode = null,
+        private ?Lang   $systemLang = null,
+        private ?int    $id = null,
     ) { }
 
     public function getTitle(): string
@@ -38,4 +41,14 @@ public function getId(): ?int
     {
         return $this->id;
     }
+
+    public function getIsoCode(): ?string
+    {
+        return $this->isoCode;
+    }
+
+    public function getSystemLang(): ?Lang
+    {
+        return $this->systemLang;
+    }
 }

app/application/app/Dto/Service/Admin/Project/Translation/Translation.php

@@ -0,0 +1,23 @@
+<?php declare(strict_types=1);
+
+namespace App\Dto\Service\Admin\Project\Translation;
+
+use App\Dto\Service\Dto;
+
+final readonly class Translation extends Dto
+{
+    public function __construct(
+        private string $code,
+        private ?string $text
+    ) { }
+
+    public function getCode(): string
+    {
+        return $this->code;
+    }
+
+    public function getText(): ?string
+    {
+        return $this->text;
+    }
+}

app/application/app/Dto/Service/Admin/Project/Translation/Translations.php

@@ -0,0 +1,35 @@
+<?php declare(strict_types=1);
+
+namespace App\Dto\Service\Admin\Project\Translation;
+
+use App\Exceptions\Dto\Admin\Project\Transaction\TranslationsException;
+
+final class Translations
+{
+    private array $translations = [];
+
+    public function addTranslation(string $code, ?string $text): void
+    {
+        if (!in_array($code, self::getTranslationCodes())) {
+            throw new TranslationsException('Translation code "' . $code . '" not available');
+        }
+        $this->translations[] = new Translation($code, $text);
+    }
+
+    public function getTranslations(): array
+    {
+        return $this->translations;
+    }
+
+    public static function getTranslationCodes(): array
+    {
+        return [
+            'site.Menu',
+            'site.Powered by service',
+            'site.About project',
+            'site.Choose language',
+            'site.Page without translation',
+            'site.Project',
+        ];
+    }
+}

app/application/app/Dto/Service/Admin/Project/Translation/Update.php

@@ -0,0 +1,17 @@
+<?php declare(strict_types=1);
+
+namespace App\Dto\Service\Admin\Project\Translation;
+
+use App\Dto\Service\Dto;
+
+final readonly class Update extends Dto
+{
+    public function __construct(
+        private Translations $translations,
+    ) { }
+
+    public function getTranslations(): Translations
+    {
+        return $this->translations;
+    }
+}

app/application/app/Enums/CacheTag.php

@@ -8,6 +8,7 @@
 enum CacheTag: string
 {
     case Project = 'project';
+    case ProjectTranslation = 'project_translation';
 
     public function getCache(): TaggedCache
     {

app/application/app/Enums/Permission.php

@@ -10,6 +10,7 @@ enum Permission: string
     case Project = 'project';
     case ProjectContent = 'project-content';
     case ProjectLink = 'project-link';
+    case ProjectTranslation = 'project-translation';
 
     public function getPermissions(): array
     {
@@ -22,6 +23,10 @@ public function getPermissions(): array
                 'create' => __('permissions.Allowed to create'),
                 'update' => __('permissions.Allowed to edit'),
             ],
+            self::ProjectTranslation => [
+                'view'   => __('permissions.Allowed to watch'),
+                'update' => __('permissions.Allowed to edit'),
+            ],
             default => $this->getBasePermissions()
         };
 

app/application/app/Exceptions/Dto/Admin/Project/Transaction/TranslationsException.php

@@ -0,0 +1,8 @@
+<?php declare(strict_types=1);
+
+namespace App\Exceptions\Dto\Admin\Project\Transaction;
+
+final class TranslationsException extends \Exception
+{
+
+}

app/application/app/Http/Controllers/Admin/Projects/TranslationsController.php

@@ -0,0 +1,54 @@
+<?php declare(strict_types=1);
+
+namespace App\Http\Controllers\Admin\Projects;
+
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Admin\Projects\Translations\UpdateRequest;
+use App\Services\Admin\Project\TranslationService;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\View\View;
+
+final class TranslationsController extends Controller
+{
+    public function __construct(
+        private readonly TranslationService $translationService,
+    ) { }
+
+    public function languages(int $projectId, Request $request): View
+    {
+        $user = $request->user();
+        $result = $this->translationService->languages($projectId, $user);
+        if ($result->isError()) {
+            $this->errors($result);
+        }
+
+        return view('admin/projects/translations/languages', $result->getData());
+    }
+
+    public function edit(int $projectId, int $languageId, Request $request): View
+    {
+        $user = $request->user();
+        $result = $this->translationService->edit($projectId, $languageId, $user);
+        if ($result->isError()) {
+            $this->errors($result);
+        }
+
+        return view('admin/projects/translations/edit', $result->getData());
+    }
+
+    public function update(int $projectId, int $languageId, UpdateRequest $request): RedirectResponse
+    {
+        $user = $request->user();
+        $data = $request->getDto();
+        $result = $this->translationService->update($projectId, $languageId, $data, $user);
+        if ($result->isError()) {
+            return redirect()->back()->withInput()->withErrors($result->getErrorsOrMessage());
+        }
+
+        return redirect()->route('admin.projects.translations.edit', [
+            'project' => $projectId,
+            'language' => $languageId,
+        ])->withSuccess($result->getMessage());
+    }
+}

app/application/app/Http/Controllers/Site/Controller.php

@@ -12,7 +12,7 @@ protected function viewPageWithoutTranslation(PagePossibleWithoutTranslation $re
     {
         return \view('site.page-without-translation', [
             'project' => $result->getProject(),
-            'language' => $result->getLanguage(),
+            'websiteTranslations' => $result->getWebsiteTranslations(),
         ]);
     }
 }

app/application/app/Http/Controllers/Site/ProjectsController.php

@@ -2,7 +2,6 @@
 
 namespace App\Http\Controllers\Site;
 
-use App\Enums\Site\ProjectSection;
 use App\Services\Site\ProjectService;
 use Illuminate\Http\Request;
 use Illuminate\View\View;
@@ -13,15 +12,13 @@ public function __construct(
         private readonly ProjectService $projectService,
     ) { }
 
-    public function index(Request $request, ?string $language = null): View
+    public function index(Request $request): View
     {
         $user    = $request->user();
+        $project = $request->get('project');
+        $websiteTranslations = $request->get('websiteTranslations');
 
-        if (\is_null($request->project)) {
+        if (\is_null($project)) {
-            if (!\is_null($language)) {
-                abort(404);
-            }
-
             $with = ['storage'];
             $result = $this->projectService->getProjects($user, $with);
             if ($result->isError()) {
@@ -31,7 +28,7 @@ public function index(Request $request, ?string $language = null): View
             return \view('site.projects.index', $result->getData());
         }
 
-        $result = $this->projectService->getAboutByProject($request->project, $language, $request->user());
+        $result = $this->projectService->getAboutByProject($project, $websiteTranslations, $request->user());
         if ($result->isError()) {
             $this->errors($result);
         }

app/application/app/Http/Middleware/ProjectAndLanguage.php

@@ -3,23 +3,17 @@
 namespace App\Http\Middleware;
 
 use App\Enums\CacheTag;
-use App\Repositories\ProjectRepository;
 use Illuminate\Http\Request;
-use Illuminate\Support\Str;
 use Symfony\Component\HttpFoundation\Response;
 use Closure;
 
-class Project
+class ProjectAndLanguage extends ProjectLanguage
 {
-    public function __construct(
-        private readonly ProjectRepository $projectRepository,
-    ) { }
-
     public function handle(Request $request, Closure $next): Response
     {
         $projectCode = $request->route()?->parameter('project');
         if ($projectCode === null) {
-            abort(404);
+            abort(Response::HTTP_NOT_FOUND);
         }
 
         $seconds = 3600;
@@ -27,23 +21,27 @@ public function handle(Request $request, Closure $next): Response
             return $this->projectRepository->getProjectByCode($projectCode) ?? false;
         });
         if ($project === false) {
-            abort(404);
+            abort(Response::HTTP_NOT_FOUND);
+        }
+
+        if (
+            $project->http_host !== null
+            && $project->http_host !== $request->getSchemeAndHttpHost()
+        ) {
+            return redirect($project->http_host, 302);
+        }
+
+        $languageCode = $request->route()?->parameter('language');
+        $websiteTranslations = $this->getWebsiteTranslations($project, $languageCode);
+        if (\is_null($websiteTranslations)) {
+            abort(Response::HTTP_NOT_FOUND);
         }
 
         unset($request->route()->parameters['project']);
+        unset($request->route()->parameters['language']);
 
-        $routeName = $request->route()->getName();
+        $request->attributes->set('project', $project);
-        if (
+        $request->attributes->set('websiteTranslations', $websiteTranslations);
-            $routeName !== null
-            && $project->http_host !== null
-            && $project->http_host !== $request->getSchemeAndHttpHost()
-        ) {
-            $routeName = Str::of($routeName)->replaceStart('project.', '')->toString();
-            $route = \route($routeName, $request->route()->parameters(), false);
-            return redirect($project->http_host . $route, 302);
-        }
-
-        $request->merge(['project' => $project]);
 
         return $next($request);
     }

app/application/app/Http/Middleware/ProjectDomainAndLanguage.php

@@ -3,17 +3,12 @@
 namespace App\Http\Middleware;
 
 use App\Enums\CacheTag;
-use App\Repositories\ProjectRepository;
 use Closure;
 use Illuminate\Http\Request;
 use Symfony\Component\HttpFoundation\Response;
 
-final class ProjectDomain
+final class ProjectDomainAndLanguage extends ProjectLanguage
 {
-    public function __construct(
-        private readonly ProjectRepository $projectRepository,
-    ) { }
-
     public function handle(Request $request, Closure $next): Response
     {
         $httpHost = $request->getSchemeAndHttpHost();
@@ -25,7 +20,19 @@ public function handle(Request $request, Closure $next): Response
         if ($project === false) {
             $project = null;
         }
-        $request->merge(['project' => $project]);
+
+        $websiteTranslations = null;
+        if ($project !== null) {
+            $languageCode = $request->route()?->parameter('language');
+            $websiteTranslations = $this->getWebsiteTranslations($project, $languageCode);
+            if (\is_null($websiteTranslations)) {
+                abort(Response::HTTP_NOT_FOUND);
+            }
+        }
+
+        unset($request->route()->parameters['language']);
+        $request->attributes->set('project', $project);
+        $request->attributes->set('websiteTranslations', $websiteTranslations);
 
         return $next($request);
     }

app/application/app/Http/Middleware/ProjectLanguage.php

@@ -0,0 +1,43 @@
+<?php declare(strict_types=1);
+
+namespace App\Http\Middleware;
+
+use App\Enums\CacheTag;
+use App\Models\Project;
+use App\Repositories\ProjectLanguageRepository;
+use App\Repositories\ProjectRepository;
+use App\Repositories\ProjectTranslationRepository;
+use App\Services\WebsiteTranslations;
+use Illuminate\Support\Facades\App;
+
+abstract class ProjectLanguage
+{
+    public function __construct(
+        protected readonly ProjectRepository $projectRepository,
+        private   readonly ProjectLanguageRepository $projectLanguageRepository,
+        private   readonly ProjectTranslationRepository $projectTranslationRepository
+    ) { }
+
+    protected function getWebsiteTranslations(Project $project, ?string $languageCode): ?WebsiteTranslations
+    {
+        $seconds = 3600 * 3;
+        $language = CacheTag::Project->getCache()->remember(self::class . $project->id . '-' . $languageCode, $seconds, function () use ($project, $languageCode) {
+            return $this->projectLanguageRepository->getProjectLanguageByCodeOrDefault($project, $languageCode) ?? false;
+        });
+        if ($language === false) {
+            return null;
+        }
+        if ($language !== null) {
+            if ($language->system_lang) {
+                App::setLocale($language->system_lang->getLocale());
+            }
+        }
+
+        $seconds = 3600 * 24;
+        $translations = CacheTag::ProjectTranslation->getCache()->remember(self::class . '-translations-' . $project->id . '-' . $language->id, $seconds, function () use ($project, $language) {
+            return $this->projectTranslationRepository->getProjectTranslations($project->id, $language->id)->all()->pluck('text', 'code')->toArray();
+        });
+
+        return new WebsiteTranslations($language, $translations);
+    }
+}

app/application/app/Http/Requests/Admin/Projects/StoreUpdateRequest.php

@@ -7,9 +7,11 @@
 use App\Dto\Service\Admin\Project\Languages;
 use App\Dto\Service\Admin\Project\StoreUpdate;
 use App\Dto\Service\Storage\Storages;
+use App\Enums\Lang;
 use App\Enums\StorageType;
 use App\Rules\HttpHost;
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rules\Enum;
 
 class StoreUpdateRequest extends FormRequest implements FormRequestDto
 {
@@ -33,6 +35,8 @@ public function rules(): array
             'languages.items.*.title' => ['required', 'string', 'max:255'],
             'languages.items.*.code' => ['required', 'string', 'min:2', 'max:30', 'regex:/^[a-z_]+$/'],
             'languages.items.*.sort' => ['required', 'numeric', 'min:-1000', 'max:1000'],
+            'languages.items.*.system_lang' => ['nullable', new Enum(Lang::class)],
+            'languages.items.*.iso_code' => ['nullable', 'string', 'max:30', 'regex:/^[a-zA-Z-]+$/'],
             'languages.default' => ['required', 'numeric', function (string $attribute, mixed $value, \Closure $fail) {
                 $languages = $this->input('languages.items', []);
                 if (!isset($languages[$value])) {
@@ -81,11 +85,17 @@ private function languages(): Languages
             if ($languageId !== null) {
                 $languageId = (int) $languageId;
             }
+            $systemLang = null;
+            if ($lang['system_lang'] !== null) {
+                $systemLang = Lang::tryFrom((int) $lang['system_lang']);
+            }
             $language = new Language(
                 title:     $lang['title'],
                 code:      $lang['code'],
                 sort:      (int) $lang['sort'],
                 isDefault: ($default === $index),
+                isoCode: $lang['iso_code'] ?? null,
+                systemLang: $systemLang,
                 id: $languageId,
             );
             $languages->addLanguage($language);

app/application/app/Http/Requests/Admin/Projects/Translations/UpdateRequest.php

@@ -0,0 +1,38 @@
+<?php declare(strict_types=1);
+
+namespace App\Http\Requests\Admin\Projects\Translations;
+
+use App\Contracts\FormRequestDto;
+use App\Dto\Service\Admin\Project\Translation\Translation;
+use App\Dto\Service\Admin\Project\Translation\Translations;
+use App\Dto\Service\Admin\Project\Translation\Update;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rules\In;
+
+final class UpdateRequest extends FormRequest implements FormRequestDto
+{
+    /**
+     * Get the validation rules that apply to the request.
+     */
+    public function rules(): array
+    {
+        return [
+            'translations'   => ['nullable', 'array'],
+            'translations.*.code' => ['required', 'string', new In(Translations::getTranslationCodes())],
+            'translations.*.text' => ['nullable', 'string', 'max:1000'],
+        ];
+    }
+
+    public function getDto(): Update
+    {
+        $translations = new Translations();
+        foreach ($this->input('translations', []) as $translation) {
+            $translations->addTranslation(
+                code: $translation['code'],
+                text: $translation['text'] ?? null,
+            );
+        }
+
+        return new Update($translations);
+    }
+}

app/application/app/Models/ProjectLanguage.php

@@ -2,7 +2,9 @@
 
 namespace App\Models;
 
+use App\Enums\Lang;
 use App\Models\Scopes\SortScope;
+use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
@@ -33,6 +35,8 @@ final class ProjectLanguage extends Model
         'code',
         'is_default',
         'sort',
+        'system_lang',
+        'iso_code',
     ];
 
     /**
@@ -45,6 +49,25 @@ protected function casts(): array
         return [
             'is_default'  => 'boolean',
             'sort'        => 'integer',
+            'system_lang' => Lang::class,
         ];
     }
+
+    protected function attributeLang(): Attribute
+    {
+        return Attribute::make(
+            get: function () {
+
+                if ($this->iso_code) {
+                    return $this->iso_code;
+                }
+
+                if ($this->system_lang) {
+                    return $this->system_lang->getLocale();
+                }
+
+                return $this->code;
+            },
+        )->shouldCache();
+    }
 }

app/application/app/Models/ProjectTranslation.php

@@ -0,0 +1,26 @@
+<?php declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+final class ProjectTranslation extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    protected $table = 'project_translations';
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = [
+        'project_id',
+        'language_id',
+        'text',
+        'code',
+    ];
+}

app/application/app/Policies/ProjectTranslationPolicy.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+
+namespace App\Policies;
+
+use App\Models\ProjectTranslation;
+use App\Models\User;
+
+final readonly class ProjectTranslationPolicy extends Policy
+{
+    public function viewAny(User $user): bool
+    {
+        return $user->hasPermission('project.view');
+    }
+
+    public function view(User $user, ProjectTranslation $translation): bool
+    {
+        return $user->hasPermission('project-translation.view');
+    }
+
+    public function update(User $user): bool
+    {
+        return $user->hasPermission('project-translation.update');
+    }
+}

app/application/app/Repositories/ProjectTranslationRepository.php

@@ -0,0 +1,25 @@
+<?php declare(strict_types=1);
+
+namespace App\Repositories;
+
+use App\Models\ProjectTranslation;
+use App\Services\Search\CreateSearchInstanceCommand;
+use App\Services\Search\Search;
+
+final readonly class ProjectTranslationRepository
+{
+    public function __construct(
+        private CreateSearchInstanceCommand $createSearchInstanceCommand,
+    ) { }
+    public function getProjectTranslations(int $projectId, int $languageId): Search
+    {
+        $query = ProjectTranslation::query()->where('project_id', $projectId)->where('language_id', $languageId);
+        return $this->createSearchInstanceCommand->execute($query);
+    }
+
+    public function getProjectTranslationsWithTrashed(int $projectId, int $languageId): Search
+    {
+        $query = ProjectTranslation::query()->withTrashed()->where('project_id', $projectId)->where('language_id', $languageId);
+        return $this->createSearchInstanceCommand->execute($query);
+    }
+}

app/application/app/ServiceResults/Site/PagePossibleWithoutTranslation.php

@@ -3,14 +3,14 @@
 namespace app\ServiceResults\Site;
 
 use App\Models\Project;
-use App\Models\ProjectLanguage;
 use App\ServiceResults\ServiceResult;
+use App\Services\WebsiteTranslations;
 
 final class PagePossibleWithoutTranslation extends ServiceResult
 {
     public function __construct(
         private readonly Project $project,
-        private readonly ProjectLanguage $language,
+        private readonly WebsiteTranslations $websiteTranslations,
         private readonly array $data,
         private readonly bool  $isTranslation,
     ) { }
@@ -30,8 +30,8 @@ public function getProject(): Project
         return $this->project;
     }
 
-    public function getLanguage(): ProjectLanguage
+    public function getWebsiteTranslations(): WebsiteTranslations
     {
-        return $this->language;
+        return $this->websiteTranslations;
     }
 }

app/application/app/Services/Admin/Project/TranslationService.php

@@ -0,0 +1,91 @@
+<?php declare(strict_types=1);
+
+namespace App\Services\Admin\Project;
+
+use App\Dto\Service\Admin\Project\Translation\Translations;
+use App\Dto\Service\Admin\Project\Translation\Update;
+use App\Enums\CacheTag;
+use App\Models\ProjectTranslation;
+use App\Models\User;
+use App\Repositories\ProjectRepository;
+use App\Repositories\ProjectTranslationRepository;
+use App\ServiceResults\ServiceResultArray;
+use App\ServiceResults\ServiceResultError;
+use App\ServiceResults\ServiceResultSuccess;
+use App\Services\ClearCacheCommandHandler;
+use App\Services\ProjectTranslation\ModelSyncCommand;
+use App\Services\Service;
+use Illuminate\Support\Facades\DB;
+
+final class TranslationService extends Service
+{
+    public function __construct(
+        private readonly ProjectRepository $projectRepository,
+        private readonly ProjectTranslationRepository $projectTranslationRepository,
+        private readonly ClearCacheCommandHandler $clearCacheCommandHandler,
+        private readonly ModelSyncCommand $translationModelSyncCommand,
+    ) { }
+
+    public function languages(int $projectId, User $user): ServiceResultError | ServiceResultArray
+    {
+        $project = $this->projectRepository->getProjectById($projectId);
+        if (\is_null($project)) {
+            return $this->errNotFound(__('Not Found'));
+        }
+
+        if ($user->cannot('viewAny', ProjectTranslation::class)) {
+            return $this->errFobidden(__('Access is denied'));
+        }
+
+        return $this->result([
+            'project' => $project,
+        ]);
+    }
+
+    public function edit(int $projectId, int $languageId, User $user): ServiceResultError | ServiceResultArray
+    {
+        $project = $this->projectRepository->getProjectById($projectId);
+        $language = $project?->languages()->firstWhere('id', $languageId);
+
+        if (\is_null($project) || \is_null($language)) {
+            return $this->errNotFound(__('Not Found'));
+        }
+
+        if ($user->cannot('viewAny', ProjectTranslation::class)) {
+            return $this->errFobidden(__('Access is denied'));
+        }
+
+        return $this->result([
+            'project' => $project,
+            'language' => $language,
+            'projectTranslations' => $this->projectTranslationRepository->getProjectTranslations($projectId, $languageId)->all()->pluck('text', 'code')->toArray(),
+            'translations' => Translations::getTranslationCodes(),
+        ]);
+    }
+
+    public function update(int $projectId, int $languageId, Update $data, User $user): ServiceResultError | ServiceResultSuccess
+    {
+        $project = $this->projectRepository->getProjectById($projectId);
+        $language = $project?->languages()->firstWhere('id', $languageId);
+
+        if (\is_null($project) || \is_null($language)) {
+            return $this->errNotFound(__('Not Found'));
+        }
+
+        if ($user->cannot('update', ProjectTranslation::class)) {
+            return $this->errFobidden(__('Access is denied'));
+        }
+
+        try {
+            DB::transaction(function () use ($data, $project, $language) {
+                $this->translationModelSyncCommand->execute($project, $language, $data->getTranslations());
+            });
+            $this->clearCacheCommandHandler->byTag(CacheTag::ProjectTranslation);
+        } catch (\Throwable $e) {
+            report($e);
+            return $this->errService(__('Server Error'));
+        }
+
+        return $this->ok(__('Translations successfully updated'));
+    }
+}

app/application/app/Services/ProjectLanguage/ModelSyncCommand.php

@@ -23,6 +23,8 @@ public function execute(Project $project, Languages $languages): void
                 'title' => $language->getTitle(),
                 'sort' => $language->getSort(),
                 'is_default' => $language->isDefault(),
+                'system_lang' => $language->getSystemLang(),
+                'iso_code' => $language->getIsoCode(),
             ];
 
             if ($language->getId() !== null) {

app/application/app/Services/ProjectTranslation/ModelSyncCommand.php

@@ -0,0 +1,60 @@
+<?php declare(strict_types=1);
+
+namespace App\Services\ProjectTranslation;
+
+use App\Dto\Service\Admin\Project\Translation\Translation;
+use App\Dto\Service\Admin\Project\Translation\Translations;
+use App\Models\Project;
+use App\Models\ProjectLanguage;
+use App\Models\ProjectTranslation;
+use App\Repositories\ProjectTranslationRepository;
+use Illuminate\Support\Carbon;
+
+final readonly class ModelSyncCommand
+{
+    public function __construct(
+        private ProjectTranslationRepository $projectTranslationRepository,
+    ) { }
+
+    public function execute(Project $project, ProjectLanguage $language, Translations $update): void
+    {
+        $modelTranslations = $this->projectTranslationRepository->getProjectTranslationsWithTrashed($project->id, $language->id)->all();
+        $insert = [];
+        foreach ($update->getTranslations() as $translation) {
+            /** @var Translation $translation */
+            /** @var ProjectTranslation $modelTranslation */
+            $modelTranslation = $modelTranslations->firstWhere('code', $translation->getCode());
+
+            if ($modelTranslation === null && $translation->getText() === null) {
+                continue;
+            }
+
+            if ($modelTranslation === null && $translation->getText() !== null) {
+                $insert[] = [
+                    'created_at'  => Carbon::now(),
+                    'updated_at'  => Carbon::now(),
+                    'project_id'  => $project->id,
+                    'language_id' => $language->id,
+                    'code' => $translation->getCode(),
+                    'text' => $translation->getText(),
+                ];
+                continue;
+            }
+
+            if ($modelTranslation !== null && $translation->getText() === null) {
+                $modelTranslation->delete();
+                continue;
+            }
+
+            if ($modelTranslation->trashed()) {
+                $modelTranslation->deleted_at = null;
+            }
+            $modelTranslation->text = $translation->getText();
+            $modelTranslation->save();
+        }
+
+        if (!empty($insert)) {
+            ProjectTranslation::query()->insert($insert);
+        }
+    }
+}

app/application/app/Services/Service.php

@@ -3,7 +3,6 @@
 namespace App\Services;
 
 use App\Models\Project;
-use App\Models\ProjectLanguage;
 use App\ServiceResults\ServiceResultArray;
 use App\ServiceResults\ServiceResultError;
 use App\ServiceResults\ServiceResultSuccess;
@@ -11,7 +10,6 @@
 use App\ServiceResults\StoreUpdateResult;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Http\Response;
-use Illuminate\Support\Facades\Cache;
 
 abstract class Service
 {
@@ -60,9 +58,9 @@ final protected function result(array $data = []): ServiceResultArray
         return new ServiceResultArray(data: $data);
     }
 
-    final protected function resultSitePage(Project $project, ProjectLanguage $language, array $data, bool $isTranslation): PagePossibleWithoutTranslation
+    final protected function resultSitePage(Project $project, WebsiteTranslations $websiteTranslations, array $data, bool $isTranslation): PagePossibleWithoutTranslation
     {
-        return new PagePossibleWithoutTranslation($project, $language, $data, $isTranslation);
+        return new PagePossibleWithoutTranslation($project, $websiteTranslations, $data, $isTranslation);
     }
 
     final protected function error(int $code, string $message, array $errors = []): ServiceResultError

app/application/app/Services/Site/ProjectService.php

@@ -6,19 +6,18 @@
 use App\Models\User;
 use App\Dto\Builder\Project as ProjectBuilderDto;
 use App\Repositories\ProjectContentRepository;
-use App\Repositories\ProjectLanguageRepository;
 use App\Repositories\ProjectLinkRepository;
 use App\Repositories\ProjectRepository;
 use App\ServiceResults\ServiceResultArray;
 use App\ServiceResults\ServiceResultError;
 use App\ServiceResults\Site\PagePossibleWithoutTranslation;
 use App\Services\Service;
+use App\Services\WebsiteTranslations;
 
 final class ProjectService extends Service
 {
     public function __construct(
         private readonly ProjectRepository $projectRepository,
-        private readonly ProjectLanguageRepository $projectLanguageRepository,
         private readonly ProjectContentRepository $projectContentRepository,
         private readonly ProjectLinkRepository $projectLinkRepository,
     ) { }
@@ -39,7 +38,7 @@ public function getProjects(?User $user, array $with): ServiceResultError | Serv
         ]);
     }
 
-    public function getAboutByProject(Project $project, ?string $languageCode, ?User $user = null): ServiceResultError | PagePossibleWithoutTranslation
+    public function getAboutByProject(Project $project, WebsiteTranslations $websiteTranslations, ?User $user = null): ServiceResultError | PagePossibleWithoutTranslation
     {
         if (
             $project->is_public === false
@@ -47,17 +46,13 @@ public function getAboutByProject(Project $project, ?string $languageCode, ?User
         ) {
             return $this->errFobidden(__('Access is denied'));
         }
-        $language = $this->projectLanguageRepository->getProjectLanguageByCodeOrDefault($project, $languageCode);
-        if (!$language) {
-            return $this->errNotFound(__('Language not found'));
-        }
 
         $data = [
             'project'  => $project,
-            'language' => $language,
+            'websiteTranslations' => $websiteTranslations,
-            'content'  => $this->projectContentRepository->getContentByLanguageId($project->id, $language->id),
+            'content'  => $this->projectContentRepository->getContentByLanguageId($project->id, $websiteTranslations->getLanguage()->id),
-            'links'    => $this->projectLinkRepository->getLinksByProject($project, $language->id),
+            'links'    => $this->projectLinkRepository->getLinksByProject($project, $websiteTranslations->getLanguage()->id),
         ];
-        return $this->resultSitePage($project, $language, $data, \is_null($data['content']));
+        return $this->resultSitePage($project, $websiteTranslations, $data, \is_null($data['content']));
     }
 }

app/application/app/Services/WebsiteTranslations.php

@@ -0,0 +1,23 @@
+<?php declare(strict_types=1);
+
+namespace App\Services;
+
+use App\Models\ProjectLanguage;
+
+final readonly class WebsiteTranslations
+{
+    public function __construct(
+        private ProjectLanguage $language,
+        private array $transactions,
+    ) { }
+
+    public function translate(string $text): string
+    {
+        return $this->transactions[$text] ?? __($text);
+    }
+
+    public function getLanguage(): ProjectLanguage
+    {
+        return $this->language;
+    }
+}

app/application/app/View/Components/Site/ChooseLanguage.php

@@ -2,8 +2,9 @@
 
 namespace app\View\Components\Site;
 
-use App\Models\ProjectLanguage;
+use App\Enums\CacheTag;
-use Illuminate\Support\Collection;
+use App\Models\Project;
+use App\Services\WebsiteTranslations;
 use Illuminate\Support\Str;
 use Illuminate\View\Component;
 use Illuminate\View\View;
@@ -11,20 +12,25 @@
 final class ChooseLanguage extends Component
 {
     public function __construct(
-        private readonly ProjectLanguage $language,
+        private readonly WebsiteTranslations $websiteTranslations,
-        private readonly Collection $languages,
+        private readonly Project $project,
     ) { }
 
     public function render(): View
     {
-        $link = Str::of( request()->getRequestUri() )->rtrim('/');
+        $link = Str::of( request()->url() )->rtrim('/');
-        if ($link->endsWith('/language/' . $this->language->code)) {
+        if ($link->endsWith('/language/' . $this->websiteTranslations->getLanguage()->code)) {
-            $link = $link->replace('/language/' . $this->language->code, '', false);
+            $link = $link->replace('/language/' . $this->websiteTranslations->getLanguage()->code, '', false);
         }
 
+        $seconds = 3600 * 12;
+        $languages = CacheTag::Project->getCache()->remember(self::class . $this->project->id, $seconds, function () {
+            return $this->project->languages;
+        });
+
         return view('components.site.choose-language', [
-            'language'  => $this->language,
+            'websiteTranslations' => $this->websiteTranslations,
-            'languages' => $this->languages,
+            'languages' => $languages,
             'link'      => (string) $link,
         ]);
     }

app/application/app/View/Components/Site/Layout.php

@@ -4,7 +4,7 @@
 
 use App\Enums\StorageType;
 use App\Models\Project;
-use App\Models\ProjectLanguage;
+use App\Services\WebsiteTranslations;
 use Illuminate\View\Component;
 use Illuminate\View\View;
 
@@ -12,7 +12,7 @@ final class Layout extends Component
 {
     public function __construct(
         private readonly Project $project,
-        private readonly ProjectLanguage $language,
+        private readonly WebsiteTranslations $websiteTranslations,
     ) { }
 
     public function render(): View
@@ -20,7 +20,7 @@ public function render(): View
         return view('layout.site', [
             'project'  => $this->project,
             'logo'     => $this->project->getStorageOne(StorageType::Logo),
-            'language' => $this->language,
+            'websiteTranslations' => $this->websiteTranslations,
         ]);
     }
 }

app/application/app/View/Components/Volt/Forms/Languages.php

@@ -29,11 +29,17 @@ private function getValue(): array
             $default = (int) $default;
         }
         foreach ($value['items'] as $index => $lang) {
+            $systemLang = null;
+            if (!empty($lang['system_lang'])) {
+                $systemLang = (int) $lang['system_lang'];
+            }
             $langs[$index] = [
                 'title'       => $lang['title'] ?? '',
                 'code'        => $lang['code'] ?? '',
                 'is_default'  => ($index === $default),
                 'sort'        => $lang['sort'] ?? '',
+                'system_lang' => $systemLang,
+                'iso_code'    => $lang['iso_code'] ?? null,
                 'id'          => $lang['id'] ?? null,
             ];
         }

app/application/bootstrap/app.php

@@ -11,11 +11,8 @@
         commands: __DIR__.'/../routes/console.php',
         health: '/up',
         then: function () {
-            Route::middleware([\App\Http\Middleware\ProjectDomain::class])->group(base_path('routes/web-project.php'));
+            Route::middleware(['web', \App\Http\Middleware\ProjectDomainAndLanguage::class])->group(base_path('routes/web-project.php'));
-            Route::middleware([
+            Route::middleware(['web', \App\Http\Middleware\ProjectAndLanguage::class])
-                \App\Http\Middleware\ProjectDomain::class,
-                \App\Http\Middleware\Project::class,
-            ])
                 ->prefix('project/{project}')
                 ->as('project.')
                 ->group(base_path('routes/web-project.php'));

app/application/database/migrations/2024_04_18_144547_add_system_language_to_project_languages_table.php

@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('project_languages', function (Blueprint $table) {
+            $table->unsignedInteger('system_lang')->nullable()->after('sort');
+            $table->string('iso_code', 30)->nullable()->after('system_lang');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('project_languages', function (Blueprint $table) {
+            $table->dropColumn('system_lang');
+            $table->dropColumn('iso_code');
+        });
+    }
+};

app/application/database/migrations/2024_04_19_084614_create_project_translations.php

@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('project_translations', function (Blueprint $table) {
+            $table->id();
+            $table->string('code');
+            $table->text('text');
+            $table->unsignedBigInteger('project_id')->index();
+            $table->foreign('project_id')->references('id')->on('projects');
+            $table->unsignedBigInteger('language_id')->index();
+            $table->foreign('language_id')->references('id')->on('project_languages');
+            $table->timestamps();
+            $table->softDeletes();
+            $table->index(['project_id', 'language_id', 'deleted_at']);
+            $table->unique(['project_id', 'language_id', 'code']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('project_translations');
+    }
+};

app/application/lang/en.json

@@ -255,5 +255,6 @@
     "The link was successfully updated": "The link was successfully updated",
     "The link has been deleted": "The link has been deleted",
     "Language not found": "Language not found",
-    "Project not found": "Project not found"
+    "Project not found": "Project not found",
+    "Translations successfully updated": "Translations successfully updated"
 }

app/application/lang/en/admin-sections.php

@@ -11,4 +11,5 @@
     'Languages' => 'Languages',
     'Last update' => 'Last update',
     'Links project' => 'Links from the project',
+    'Translations' => 'Translations',
 ];

app/application/lang/en/permissions.php

@@ -15,4 +15,5 @@
     'Project'        => 'Projects',
     'ProjectContent' => 'About the project',
     'ProjectLink'    => 'Links from the project',
+    'ProjectTranslation' => 'Translations',
 ];

app/application/lang/en/validation.php

@@ -281,11 +281,15 @@
         'is_public'                => 'public',
         'http_host'                => 'hostname',
         'sort'                     => 'sorting',
+        'system_lang'              => 'system language',
+        'iso_code'                 => 'ISO code',
         'is_default'               => 'default',
         'language-code'            => 'language code',
         'languages.items.*.code'   => 'language code',
         'languages.items.*.title'  => 'language title',
         'languages.items.*.sort'   => 'language sorting',
+        'languages.items.*.system_lang' => 'system language',
+        'languages.items.*.iso_code'    => 'ISO code',
         'languages.items.*.id'     => 'language ID',
         'languages.default'        => 'default language',
         'language-default'         => 'default language',
@@ -294,5 +298,8 @@
         'logo.delete'              => 'remove logo',
         'link'                     => 'link',
         'language_id'              => 'language',
+        'translations'             => 'translations',
+        'translations.*.code'      => 'translations code',
+        'translations.*.text'      => 'translations',
     ],
 ];

app/application/lang/ru.json

@@ -255,5 +255,6 @@
     "The link was successfully updated": "Ссылка успешно обновлена",
     "The link has been deleted": "Ссылка удалена",
     "Language not found": "Язык не найден",
-    "Project not found": "Проект не найден"
+    "Project not found": "Проект не найден",
+    "Translations successfully updated": "Переводы успешно обновлены"
 }

app/application/lang/ru/admin-sections.php

@@ -11,4 +11,5 @@
     'Languages' => 'Языки',
     'Last update' => 'Последнее обновление',
     'Links project' => 'Ссылки от проекта',
+    'Translations' => 'Переводы',
 ];

app/application/lang/ru/permissions.php

@@ -15,4 +15,5 @@
     'Project'        => 'Проекты',
     'ProjectContent' => 'О проекте',
     'ProjectLink'    => 'Ссылки от проекта',
+    'ProjectTranslation' => 'Переводы',
 ];

app/application/lang/ru/validation.php

@@ -282,10 +282,14 @@
         'http_host'                => 'имя хоста',
         'sort'                     => 'сортировка',
         'is_default'               => 'по умолчанию',
+        'system_lang'              => 'системный язык',
+        'iso_code'                 => 'ISO-код',
         'language-code'            => 'код языка',
         'languages.items.*.code'   => 'код языка',
         'languages.items.*.title'  => 'заголовок языка',
         'languages.items.*.sort'   => 'языковая сортировка',
+        'languages.items.*.system_lang' => 'системный язык',
+        'languages.items.*.iso_code'    => 'ISO-код',
         'languages.items.*.id'     => 'ID языка',
         'languages.default'        => 'язык по умолчанию',
         'language-default'         => 'язык по умолчанию',
@@ -294,5 +298,8 @@
         'logo.delete'              => 'удалить логотип',
         'link'                     => 'ссылка',
         'language_id'              => 'язык',
+        'translations'             => 'переводы',
+        'translations.*.code'      => 'код перевода',
+        'translations.*.text'      => 'переводы',
     ],
 ];

app/application/resources/site/scss/app.scss

@@ -49,7 +49,7 @@ body {
 }
 .header_logo {
     grid-area: logo;
-    max-height: 50px;
+    height: 50px;
 
     a {
         text-decoration: none;
@@ -67,6 +67,7 @@ body {
         padding: 5px 10px;
         border: 1px solid #0a0e17;
         border-radius: 4px;
+        white-space: nowrap;
     }
 }
 #mobile-menu {
@@ -231,12 +232,24 @@ body.mobile-menu-open {
         grid-template-areas: "logo language";
         grid-template-columns: 1fr 200px;
     }
+    .header_logo {
+        width: 150px;
+        margin-left: 12px;
+        margin-top: 10px;
+        margin-bottom: 10px;
+    }
     #mobile-menu {
         display: none;
     }
     .main-container {
         flex-direction: row;
     }
+    #language {
+        margin-right: 10px;
+    }
+    .language__block {
+        margin-top: 6px;
+    }
     .language__button {
         padding: 7px 10px 7px 0;
     }

app/application/resources/views/admin/projects/links/edit.blade.php

@@ -1,7 +1,7 @@
 @section('meta_title', __('admin-sections.Links project'))
 @section('h1', __('admin-sections.Project') . ': ' . $project->name)
 <x-admin.layout>
-    @include('admin.projects._top')
+    @include('admin.projects.links._top')
     <div class="row">
         <div class="col-12 mb-4">
             <div class="card border-0 shadow components-section">

app/application/resources/views/admin/projects/show.blade.php

@@ -36,6 +36,18 @@
                                 </td>
                             </tr>
                         @endcan
+                        @can('viewAny', \App\Models\ProjectTranslation::class)
+                            <tr>
+                                <td>
+                                    <a href="{{ route('admin.projects.translations.languages', ['project' => $project->id]) }}" class="fw-bold">
+                                        <svg width="16" height="16" data-slot="icon" class="align-text-top" fill="none" stroke-width="1.5" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
+                                            <path stroke-linecap="round" stroke-linejoin="round" d="m10.5 21 5.25-11.25L21 21m-9-3h7.5M3 5.621a48.474 48.474 0 0 1 6-.371m0 0c1.12 0 2.233.038 3.334.114M9 5.25V3m3.334 2.364C11.176 10.658 7.69 15.08 3 17.502m9.334-12.138c.896.061 1.785.147 2.666.257m-4.589 8.495a18.023 18.023 0 0 1-3.827-5.802"></path>
+                                        </svg>
+                                        {{ __('admin-sections.Translations') }}
+                                    </a>
+                                </td>
+                            </tr>
+                        @endcan
                     </tbody>
                 </table>
             </div>

app/application/resources/views/admin/projects/translations/edit.blade.php

@@ -0,0 +1,42 @@
+@section('meta_title', __('admin-sections.Translations'))
+@section('h1', __('admin-sections.Project') . ': ' . $project->name)
+<x-admin.layout>
+    <div class="row">
+        <div class="col-12 mb-4">
+            <div class="card border-0 shadow components-section">
+                <div class="card-body">
+                    <h3 id="category" class="mb-4">{{ __('admin-sections.Translations') }}</h3>
+                    <div class="table-responsive">
+                        <form method="post" action="{{ route('admin.projects.translations.update', ['project' => $project->id, 'language' => $language->id]) }}">
+                            <table class="table table-centered table-nowrap mb-0 rounded">
+                                <thead class="thead-light">
+                                <tr>
+                                    <th class="border-0" style="width: 250px;">{{ __('validation.attributes.text') }}</th>
+                                    <th class="border-0">{{ __('admin-sections.Translations') }}</th>
+                                </tr>
+                                </thead>
+                                <tbody>
+                                @foreach($translations as $index => $code)
+                                    <tr>
+                                        <td>
+                                            {{ __($code) }}
+                                        </td>
+                                        <td>
+                                            <x-volt.forms.input-type-hidden :name="'translations[' . $index . '][code]'" :value="$code" />
+                                            <x-volt.forms.input title="" :name="'translations[' . $index . '][text]'" :value="$projectTranslations[$code] ?? null" />
+                                        </td>
+                                    </tr>
+                                @endforeach
+                                </tbody>
+                            </table>
+                            @canany(['update'], \App\Models\ProjectTranslation::class)
+                                @csrf
+                                <button class="btn btn-primary" type="submit">{{ __('Save') }}</button>
+                            @endcanany
+                        </form>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</x-admin.layout>

app/application/resources/views/admin/projects/translations/languages.blade.php

@@ -0,0 +1,36 @@
+@section('meta_title', __('admin-sections.Translations'))
+@section('h1', __('admin-sections.Project') . ': ' . $project->name)
+<x-admin.layout>
+    <div class="row">
+        <div class="col-12 mb-4">
+            <div class="card border-0 shadow components-section">
+                <div class="card-body">
+                    <h3 id="category" class="mb-4">{{ __('admin-sections.Translations') }}</h3>
+                    <div class="table-responsive">
+                        <table class="table table-centered table-nowrap mb-0 rounded">
+                            <thead class="thead-light">
+                            <tr>
+                                <th class="border-0">{{ __('admin-sections.Languages') }}</th>
+                            </tr>
+                            </thead>
+                            <tbody>
+                            @foreach($project->languages as $language)
+                                <tr>
+                                    <td>
+                                        <a href="{{ route('admin.projects.translations.edit', ['project' => $project->id, 'language' => $language->id]) }}" class="fw-bold">
+                                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="align-text-top" viewBox="0 0 16 16">
+                                                <path d="M12.854.146a.5.5 0 0 0-.707 0L10.5 1.793 14.207 5.5l1.647-1.646a.5.5 0 0 0 0-.708l-3-3zm.646 6.061L9.793 2.5 3.293 9H3.5a.5.5 0 0 1 .5.5v.5h.5a.5.5 0 0 1 .5.5v.5h.5a.5.5 0 0 1 .5.5v.5h.5a.5.5 0 0 1 .5.5v.207l6.5-6.5zm-7.468 7.468A.5.5 0 0 1 6 13.5V13h-.5a.5.5 0 0 1-.5-.5V12h-.5a.5.5 0 0 1-.5-.5V11h-.5a.5.5 0 0 1-.5-.5V10h-.5a.499.499 0 0 1-.175-.032l-.179.178a.5.5 0 0 0-.11.168l-2 5a.5.5 0 0 0 .65.65l5-2a.5.5 0 0 0 .168-.11l.178-.178z"/>
+                                            </svg>
+                                            {{ $language->title }}
+                                        </a>
+                                    </td>
+                                </tr>
+                            @endforeach
+                            </tbody>
+                        </table>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</x-admin.layout>

app/application/resources/views/components/site/choose-language.blade.php

@@ -1,10 +1,10 @@
 <div id="language">
     <div class="language__block">
-        <button class="language__button" type="button" aria-label="{{ __('site.Choose language') }}">
+        <button class="language__button" type="button" aria-label="{{ $websiteTranslations->translate('site.Choose language') }}">
             <svg width="16" height="16" data-slot="icon" fill="none" stroke-width="1.5" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
                 <path stroke-linecap="round" stroke-linejoin="round" d="m10.5 21 5.25-11.25L21 21m-9-3h7.5M3 5.621a48.474 48.474 0 0 1 6-.371m0 0c1.12 0 2.233.038 3.334.114M9 5.25V3m3.334 2.364C11.176 10.658 7.69 15.08 3 17.502m9.334-12.138c.896.061 1.785.147 2.666.257m-4.589 8.495a18.023 18.023 0 0 1-3.827-5.802"></path>
             </svg>
-            {{ $language->title }}
+            {{ $websiteTranslations->getLanguage()->title }}
             <svg width="16" height="16" class="language__button__str" data-slot="icon" fill="none" stroke-width="1.5" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
                 <path stroke-linecap="round" stroke-linejoin="round" d="m19.5 8.25-7.5 7.5-7.5-7.5"></path>
             </svg>

app/application/resources/views/components/volt/forms/input.blade.php

@@ -1,9 +1,11 @@
 <div class="mb-4">
+    @if(!empty($title) || !empty($example))
         <label for="form-input-{{ $requestName }}">{{ $title }}
             @if(!empty($example))
                 <span class="label__example">({{ __('example:') }} {!! $example !!})</span>
             @endif
         </label>
+    @endif
     <input id="form-input-{{ $requestName }}" class="form-control @error($requestName) is-invalid @enderror" name="{{ $name }}" type="{{ $type }}" @if($type !== 'password') value="{{ $value }}" @endif {{ $attributes }}>
     @error($requestName)
         <span class="invalid-feedback">{{ $message }}</span>

app/application/resources/views/components/volt/forms/languages.blade.php

@@ -6,8 +6,10 @@
             <thead class="thead-light">
                 <tr>
                     <th class="border-0 rounded-start">{{ __('validation.attributes.title') }}</th>
-                    <th class="border-0">{{ __('validation.attributes.code') }}</th>
+                    <th class="border-0" style="width: 200px;">{{ __('validation.attributes.code') }}</th>
-                    <th class="border-0">{{ __('validation.attributes.sort') }}</th>
+                    <th class="border-0" style="width: 140px;">{{ __('validation.attributes.sort') }}</th>
+                    <th class="border-0" style="width: 120px;">{{ __('validation.attributes.iso_code') }}</th>
+                    <th class="border-0">{{ __('validation.attributes.system_lang') }}</th>
                     <th class="border-0">{{ __('validation.attributes.is_default') }}</th>
                     <th class="border-0 rounded-end"></th>
                 </tr>

app/application/resources/views/components/volt/forms/languages/input.blade.php

@@ -1,4 +1,4 @@
-<input class="form-control @error(\App\Helpers\Helpers::formatAttributeNameToRequestName($name)) is-invalid @enderror" name="{{ $name }}" type="{{ $type }}" value="{{ $value }}" required>
+<input class="form-control @error(\App\Helpers\Helpers::formatAttributeNameToRequestName($name)) is-invalid @enderror" name="{{ $name }}" type="{{ $type }}" value="{{ $value }}" @if($required) required @endif>
 @error(\App\Helpers\Helpers::formatAttributeNameToRequestName($name))
     <span class="invalid-feedback">{{ $message }}</span>
 @enderror

app/application/resources/views/components/volt/forms/languages/language.blade.php

@@ -6,6 +6,7 @@
         'value'    => $lang['title'],
         'name'     => $name . '[items][' .$index . '][title]',
         'type'     => 'text',
+        'required' => true,
     ])
 </td>
 <td>
@@ -13,6 +14,7 @@
         'value'    => $lang['code'],
         'name'     => $name . '[items][' . $index . '][code]',
         'type'     => 'text',
+        'required' => true,
     ])
 </td>
 <td>
@@ -20,6 +22,21 @@
         'value'    => $lang['sort'],
         'name'     => $name . '[items][' . $index . '][sort]',
         'type'     => 'number',
+        'required' => true,
+    ])
+</td>
+<td>
+    @include('components.volt.forms.languages.input', [
+        'value'    => $lang['iso_code'] ?? null,
+        'name'     => $name . '[items][' . $index . '][iso_code]',
+        'type'     => 'text',
+        'required' => false,
+    ])
+</td>
+<td>
+    @include('components.volt.forms.languages.system_lang', [
+        'value' => $lang['system_lang'] ?? null,
+        'name'  => $name . '[items][' . $index . '][system_lang]',
     ])
 </td>
 <td class="align-middle">

app/application/resources/views/components/volt/forms/languages/system_lang.blade.php

@@ -0,0 +1,9 @@
+<select class="form-select @error(\App\Helpers\Helpers::formatAttributeNameToRequestName($name)) is-invalid @enderror" name="{{ $name }}">
+    <option value=""></option>
+    @foreach(\App\Enums\Lang::cases() as $lang)
+        <option @if($lang->value === $value) selected @endif value="{{ $lang->value }}">{{ $lang->getTitle() }}</option>
+    @endforeach
+</select>
+@error(\App\Helpers\Helpers::formatAttributeNameToRequestName($name))
+    <span class="invalid-feedback">{{ $message }}</span>
+@enderror

app/application/resources/views/layout/site.blade.php

@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="{{ $language->code }}">
+<html lang="{{ $websiteTranslations->getLanguage()->attribute_lang }}">
 <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
@@ -14,7 +14,7 @@
     <div class="wrapper">
         <header class="header">
             <div class="header_logo">
-                <a href="{{ \App\Enums\Site\ProjectSection::Home->url($project, $language) }}">
+                <a href="{{ \App\Enums\Site\ProjectSection::Home->url($project, $websiteTranslations->getLanguage()) }}">
                     @if($logo)
                         <img src="{{ $logo->url }}" alt="{{ $project->name }}">
                     @else
@@ -22,7 +22,7 @@
                     @endif
                 </a>
             </div>
-            <button id="mobile-menu" type="button" aria-label="{{ __('site.Menu') }}">
+            <button id="mobile-menu" type="button" aria-label="{{ $websiteTranslations->translate('site.Menu') }}">
                 <svg class="open" width="45" height="45" data-slot="icon" fill="none" stroke-width="1.5" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
                     <path stroke-linecap="round" stroke-linejoin="round" d="M3.75 6.75h16.5M3.75 12h16.5m-16.5 5.25h16.5"></path>
                 </svg>
@@ -30,13 +30,13 @@
                     <path stroke-linecap="round" stroke-linejoin="round" d="M6 18 18 6M6 6l12 12"></path>
                 </svg>
             </button>
-            <x-site.choose-language :language="$language" :languages="$project->languages" />
+            <x-site.choose-language :websiteTranslations="$websiteTranslations" :project="$project" />
         </header>
         <div class="main-container">
             <nav id="menu">
                 <div class="menu__title">{{ __('site.Menu') }}</div>
                 <ul>
-                    <li><a href="{{ \App\Enums\Site\ProjectSection::Home->url($project, $language) }}" @class(['active' => request()->route()->named(['home', 'language.home'])])>{{ __('site.About project') }}</a></li>
+                    <li><a href="{{ \App\Enums\Site\ProjectSection::Home->url($project, $websiteTranslations->getLanguage()) }}" @class(['active' => request()->route()->named(['home', 'language.home', 'project.home', 'project.language.home'])])>{{ $websiteTranslations->translate('site.About project') }}</a></li>
                 </ul>
             </nav>
             <div class="section-container">
@@ -45,7 +45,7 @@
                     {{ $slot }}
                 </div>
                 <footer class="footer">
-                    <a href="https://git.kor-elf.net/kor-elf/my-projects-website" target="_blank">{{ __('site.Powered by service') }}</a>
+                    <a href="https://git.kor-elf.net/kor-elf/my-projects-website" target="_blank">{{ $websiteTranslations->translate('site.Powered by service') }}</a>
                 </footer>
             </div>
         </div>

app/application/resources/views/site/page-without-translation.blade.php

@@ -1,5 +1,5 @@
-@section('h1', __('site.Page without translation'))
+@section('h1', $websiteTranslations->translate('site.Page without translation'))
 
-<x-site.layout :project="$project" :language="$language">
+<x-site.layout :project="$project" :websiteTranslations="$websiteTranslations">
 
 </x-site.layout>

app/application/resources/views/site/projects/about.blade.php

@@ -1,6 +1,6 @@
-@section('meta_title', __('site.Project') . ': ' . $content->title)
+@section('meta_title', $websiteTranslations->translate('site.Project') . ': ' . $content->title)
 @section('h1', $content->title)
 
-<x-site.layout :project="$project" :language="$language">
+<x-site.layout :project="$project" :websiteTranslations="$websiteTranslations">
     {!! $content->description !!}
 </x-site.layout>

app/application/routes/web.php

@@ -27,6 +27,10 @@
 
             Route::resource('links', \App\Http\Controllers\Admin\Projects\LinksController::class)->except(['show'])->where(['link' => '[0-9]+']);
 
+            Route::get('translations', [\App\Http\Controllers\Admin\Projects\TranslationsController::class, 'languages'])->name('translations.languages');
+            Route::get('translations/{language}', [\App\Http\Controllers\Admin\Projects\TranslationsController::class, 'edit'])->name('translations.edit')->where(['language' => '[0-9]+']);
+            Route::post('translations/{language}', [\App\Http\Controllers\Admin\Projects\TranslationsController::class, 'update'])->name('translations.update')->where(['language' => '[0-9]+']);
+
         })->where(['project' => '[0-9]+']);
 
         Route::post('languages/new-language', [\App\Http\Controllers\Admin\LanguagesController::class, 'newLanguage'])->name('new-language');