first upload all files

Modules/Translation/Config/assets.php

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+<?php
+
+return [
+    /*
+    |--------------------------------------------------------------------------
+    | Define which assets will be available through the asset manager
+    |--------------------------------------------------------------------------
+    | These assets are registered on the asset manager
+    */
+    'all_assets' => [
+        'admin.translation.css' => ['module' => 'translation:admin/css/translation.css'],
+        'admin.translation.js' => ['module' => 'translation:admin/js/translation.js'],
+    ],
+
+    /*
+    |--------------------------------------------------------------------------
+    | Define which default assets will always be included in your pages
+    | through the asset pipeline
+    |--------------------------------------------------------------------------
+    */
+    'required_assets' => [],
+];

Modules/Translation/Config/permissions.php

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+<?php
+
+return [
+    'admin.translations' => [
+        'index' => 'translation::permissions.index',
+        'edit' => 'translation::permissions.edit',
+    ],
+];

Modules/Translation/Database/Migrations/2015_11_20_184604486385_create_translations_table.php

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+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateTranslationsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('translations', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('key')->index();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('translations');
+    }
+}

Modules/Translation/Database/Migrations/2015_11_20_184604743083_create_translation_translations_table.php

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+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateTranslationTranslationsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('translation_translations', function (Blueprint $table) {
+            $table->increments('id');
+            $table->integer('translation_id')->unsigned();
+            $table->string('locale');
+            $table->text('value');
+
+            $table->unique(['translation_id', 'locale']);
+            $table->foreign('translation_id')->references('id')->on('translations')->onDelete('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('translation_translations');
+    }
+}

Modules/Translation/Entities/Translation.php

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+<?php
+
+namespace Modules\Translation\Entities;
+
+use Modules\Support\Eloquent\Model;
+use Illuminate\Support\Facades\Cache;
+use Modules\Support\Eloquent\Translatable;
+
+class Translation extends Model
+{
+    use Translatable;
+
+    /**
+     * The relations to eager load on every query.
+     *
+     * @var array
+     */
+    protected $with = ['translations'];
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = ['key'];
+
+    /**
+     * The attributes that are translatable.
+     *
+     * @var array
+     */
+    protected $translatedAttributes = ['value'];
+
+    /**
+     * Retrieve all translations.
+     *
+     * @return void
+     */
+    public static function retrieve()
+    {
+        if (! config('app.cache')) {
+            return self::getTranslations();
+        }
+
+        return Cache::tags('translations')->rememberForever(md5('translations.all'), function () {
+            return self::getTranslations();
+        });
+    }
+
+    protected static function getTranslations()
+    {
+        return array_replace_recursive(static::getFileTranslations(), static::getDatabaseTranslations());
+    }
+
+    /**
+     * Get file translations.
+     *
+     * @return array
+     */
+    public static function getFileTranslations()
+    {
+        $translations = [];
+
+        foreach (resolve('translation.loader')->paths() as $hint => $path) {
+            foreach (supported_locales() as $locale => $language) {
+                foreach (glob("{$path}/{$locale}/*.php") as $file) {
+                    foreach (array_dot(require $file) as $key => $value) {
+                        $group = str_replace('.php', '', basename($file));
+
+                        $translations["{$hint}::{$group}.{$key}"][$locale] = $value;
+                    }
+                }
+            }
+        }
+
+        return $translations;
+    }
+
+    /**
+     * Get database translations.
+     *
+     * @return array
+     */
+    public static function getDatabaseTranslations()
+    {
+        $translations = [];
+
+        foreach (static::all() as $translation) {
+            foreach ($translation->translations as $translationTranslation) {
+                $translations[$translation->key][$translationTranslation->locale] = $translationTranslation->value;
+            }
+        }
+
+        return $translations;
+    }
+}

Modules/Translation/Entities/TranslationTranslation.php

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+<?php
+
+namespace Modules\Translation\Entities;
+
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Database\Eloquent\Model;
+
+class TranslationTranslation extends Model
+{
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = false;
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = ['locale', 'value'];
+
+    /**
+     * Perform any actions required after the model boots.
+     *
+     * @return void
+     */
+    protected static function booted()
+    {
+        static::saved(function ($translationTranslation) {
+            $translationTranslation->clearCache();
+        });
+    }
+
+    /**
+     * Clear translations cache.
+     *
+     * @return bool
+     */
+    public static function clearCache()
+    {
+        Cache::tags('translations')->flush();
+    }
+}

Modules/Translation/Http/Controllers/Admin/TranslationController.php

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+<?php
+
+namespace Modules\Translation\Http\Controllers\Admin;
+
+use Modules\Translation\Entities\Translation;
+
+class TranslationController
+{
+    /**
+     * Display a listing of the resource.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function index()
+    {
+        $translations = Translation::retrieve();
+
+        return view('translation::admin.translations.index', compact('translations'));
+    }
+
+    /**
+     * Update the specified resource in storage.
+     *
+     * @param string $key
+     * @return \Illuminate\Http\Response
+     */
+    public function update($key)
+    {
+        Translation::firstOrCreate(['key' => $key])
+            ->translations()
+            ->updateOrCreate(
+                ['locale' => request('locale')],
+                ['value' => request('value', '')]
+            );
+
+        return trans('admin::messages.resource_saved', ['resource' => trans('translation::translations.translation')]);
+    }
+}

Modules/Translation/Providers/TranslationServiceProvider.php

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+<?php
+
+namespace Modules\Translation\Providers;
+
+use Illuminate\Support\Carbon;
+use Astrotomic\Translatable\Locales;
+use Modules\Support\Traits\AddsAsset;
+use Illuminate\Translation\Translator;
+use Illuminate\Support\ServiceProvider;
+use Modules\Translation\TranslationLoader;
+
+class TranslationServiceProvider extends ServiceProvider
+{
+    use AddsAsset;
+
+    /**
+     * Bootstrap any application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        if (! config('app.installed')) {
+            return;
+        }
+
+        Carbon::setLocale(locale());
+
+        $this->setupTranslatable();
+
+        $this->addAdminAssets('admin.translations.index', ['admin.translation.css', 'admin.translation.js']);
+    }
+
+    private function setupTranslatable()
+    {
+        $this->app['config']->set('translatable.use_fallback', true);
+        $this->app['config']->set('translatable.fallback_locale', setting('default_locale'));
+        $this->app['config']->set('translatable.locales', supported_locale_keys());
+
+        // Re-register translatable locales helper after overriding config.
+        $this->app->singleton('translatable.locales', Locales::class);
+        $this->app->singleton(Locales::class);
+    }
+
+    /**
+     * Register the service provider.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        // The translation loader must be registered first.
+        $this->registerLoader();
+        $this->registerTranslator();
+    }
+
+    private function registerLoader()
+    {
+        $this->app->singleton('translation.loader', function ($app) {
+            return new TranslationLoader($app['files'], $app['path.lang']);
+        });
+    }
+
+    private function registerTranslator()
+    {
+        $this->app->singleton('translator', function ($app) {
+            $loader = $app['translation.loader'];
+            $locale = $app['config']['app.locale'];
+
+            $trans = new Translator($loader, $locale);
+
+            $trans->setFallback($app['config']['app.fallback_locale']);
+
+            return $trans;
+        });
+    }
+}

Modules/Translation/Resources/assets/admin/js/TranslationEditor.js

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+import '../../../../node_modules/x-editable/dist/bootstrap3-editable/js/bootstrap-editable';
+
+export default class {
+    constructor() {
+        $('.translation').editable({
+            url: this.update,
+            type: 'text',
+            mode: 'inline',
+            send: 'always',
+        });
+    }
+
+    update(data) {
+        $.ajax({
+            url: route('admin.translations.update', this.dataset.key),
+            type: 'PUT',
+            data: {
+                locale: this.dataset.locale,
+                value: data.value,
+            },
+            success(message) {
+                success(message);
+            },
+            error(xhr) {
+                error(xhr.responseJSON.message);
+            },
+        });
+    }
+}

Modules/Translation/Resources/assets/admin/js/main.js

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+import TranslationEditor from './TranslationEditor';
+
+$('.translations-table').dataTable({
+    pageLength: 20,
+    lengthMenu: [10, 20, 50, 100, 200],
+    drawCallback: () => {
+        new TranslationEditor();
+    },
+});
+

Modules/Translation/Resources/lang/en/permissions.php

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+<?php
+
+return [
+    'index' => 'Index Translations',
+    'edit' => 'Edit Translations',
+];

Modules/Translation/Resources/lang/en/sidebar.php

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+<?php
+
+return [
+    'translations' => 'Translations',
+];

Modules/Translation/Resources/lang/en/translations.php

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+<?php
+
+return [
+    'translation' => 'Translation',
+    'translations' => 'Translations',
+    'table' => [
+        'key' => 'Key',
+    ],
+];

Modules/Translation/Resources/views/admin/translations/index.blade.php

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+@extends('admin::layout')
+
+@section('title', trans('translation::translations.translations'))
+
+@component('admin::components.page.header')
+    @slot('title', trans('translation::translations.translations'))
+
+    <li class="active">{{ trans('translation::translations.translations') }}</li>
+@endcomponent
+
+@section('content')
+    <div class="box box-primary">
+        <div class="box-body index-table">
+            <table class="table table-hover translations-table">
+                <thead>
+                    <tr>
+                        <th>{{ trans('translation::translations.table.key') }}</th>
+
+                        @foreach (supported_locales() as $locale => $language)
+                            <th>{{ $language['name'] }}</th>
+                        @endforeach
+                    </tr>
+                </thead>
+
+                <tbody>
+                    @foreach ($translations as $key => $translation)
+                        <tr>
+                            <td>{{ $key }}</td>
+
+                            @foreach (supported_locales() as $locale => $language)
+                                <td class="translation-td">
+                                    <a href="#" class="translation editable-click {{ array_has($translation, $locale) ? '' : 'editable-empty' }}"
+                                        data-locale="{{ $locale }}"
+                                        data-key="{{ $key }}"
+                                    >{{ array_get($translation, $locale) }}</a>
+                                </td>
+                            @endforeach
+                        </tr>
+                    @endforeach
+                </tbody>
+            </table>
+        </div>
+    </div>
+@endsection

Modules/Translation/Routes/admin.php

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+<?php
+
+use Illuminate\Support\Facades\Route;
+
+Route::get('translations', [
+    'uses' => 'TranslationController@index',
+    'as' => 'admin.translations.index',
+    'middleware' => 'can:admin.translations.index',
+]);
+
+Route::put('translations/{key}', [
+    'uses' => 'TranslationController@update',
+    'as' => 'admin.translations.update',
+    'middleware' => 'can:admin.translations.edit',
+]);

Modules/Translation/Sidebar/SidebarExtender.php

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+<?php
+
+namespace Modules\Translation\Sidebar;
+
+use Maatwebsite\Sidebar\Item;
+use Maatwebsite\Sidebar\Menu;
+use Maatwebsite\Sidebar\Group;
+use Modules\Admin\Sidebar\BaseSidebarExtender;
+
+class SidebarExtender extends BaseSidebarExtender
+{
+    public function extend(Menu $menu)
+    {
+        $menu->group(trans('admin::sidebar.system'), function (Group $group) {
+            $group->item(trans('admin::sidebar.localization'), function (Item $item) {
+                $item->weight(10);
+                $item->icon('fa fa-globe');
+                $item->route('admin.translations.index');
+                $item->authorize(
+                    $this->auth->hasAccess('admin.translations.index')
+                );
+
+                $item->item(trans('translation::sidebar.translations'), function (Item $item) {
+                    $item->route('admin.translations.index');
+                    $item->weight(5);
+                    $item->authorize(
+                        $this->auth->hasAccess('admin.translations.index')
+                    );
+                });
+            });
+        });
+    }
+}

Modules/Translation/TranslationLoader.php

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+<?php
+
+namespace Modules\Translation;
+
+use Illuminate\Support\Facades\Cache;
+use Illuminate\Translation\FileLoader;
+use Modules\Translation\Entities\Translation;
+
+class TranslationLoader extends FileLoader
+{
+    /**
+     * Get translation file paths.
+     *
+     * @return array
+     */
+    public function paths()
+    {
+        return array_merge([$this->path], $this->hints);
+    }
+
+    /**
+     * Load the messages for the given locale.
+     *
+     * @param string $locale
+     * @param string $group
+     * @param string $namespace
+     * @return array
+     */
+    public function load($locale, $group, $namespace = null)
+    {
+        if (! config('app.cache')) {
+            return $this->getTranslations($locale, $group, $namespace);
+        }
+
+        return Cache::tags('translations')
+            ->rememberForever(md5("translation_loader.{$locale}.{$group}.{$namespace}"), function () use ($locale, $group, $namespace) {
+                return $this->getTranslations($locale, $group, $namespace);
+            });
+    }
+
+    /**
+     * Get file and database translations.
+     *
+     * @param string $locale
+     * @param string $group
+     * @param string $namespace
+     * @return array
+     */
+    private function getTranslations($locale, $group, $namespace)
+    {
+        $databaseTranslations = [];
+
+        if (config('app.installed')) {
+            $databaseTranslations = $this->databaseTranslations($locale, $group, $namespace);
+        }
+
+        return array_replace_recursive(
+            $this->fileTranslations($locale, $group, $namespace),
+            $this->breakDot($databaseTranslations)
+        );
+    }
+
+    /**
+     * Break flattened dot translations to an array.
+     *
+     * @param array $translations
+     * @return array
+     */
+    private function breakDot($translations)
+    {
+        $array = [];
+
+        foreach ($translations as $key => $value) {
+            if (strpos($key, '*') === false) {
+                array_set($array, $key, $value);
+            } else {
+                $array[$key] = $value;
+            }
+        }
+
+        return $array;
+    }
+
+    /**
+     * Get file translations.
+     *
+     * @param string $locale
+     * @param string $group
+     * @param string $namespace
+     * @return array
+     */
+    private function fileTranslations($locale, $group, $namespace)
+    {
+        return parent::load($locale, $group, $namespace);
+    }
+
+    /**
+     * Get database translations.
+     *
+     * @param string $locale
+     * @param string $group
+     * @param string $namespace
+     * @return array
+     */
+    private function databaseTranslations($locale, $group, $namespace)
+    {
+        return Translation::where('key', 'LIKE', "{$namespace}::{$group}.%")
+            ->whereHas('translations', function ($query) use ($locale) {
+                $query->where('locale', $locale);
+            })->get()->mapWithKeys(function ($translation) use ($namespace, $group) {
+                $key = str_replace("{$namespace}::{$group}.", '', $translation->key);
+
+                return [$key => $translation->value];
+            })->all();
+    }
+}

Modules/Translation/composer.json

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+{
+    "name": "fleetcart/translation",
+    "description": "The FleetCart Translation Module.",
+    "authors": [
+        {
+            "name": "Envay Soft",
+            "email": "envaysoft@gmail.com"
+        }
+    ],
+    "require": {
+        "php": "^8.0.2",
+        "astrotomic/laravel-translatable": "^11.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Modules\\Translation\\": ""
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    },
+    "minimum-stability": "dev"
+}

Modules/Translation/module.json

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+{
+    "name": "Translation",
+    "alias": "translation",
+    "description": "Module containing all FleetCart translations",
+    "priority": 1,
+    "providers": [
+        "Modules\\Translation\\Providers\\TranslationServiceProvider"
+    ]
+}

Modules/Translation/package.json

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+{
+    "name": "translation-module",
+    "private": true,
+    "devDependencies": {
+        "x-editable": "^1.5.1"
+    }
+}

Modules/Translation/webpack.mix.js

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+let mix = require('laravel-mix');
+let execSync = require('child_process').execSync;
+
+mix.js(`${__dirname}/Resources/assets/admin/js/main.js`, `${__dirname}/Assets/admin/js/translation.js`)
+    .styles([
+        `${__dirname}/node_modules/x-editable/dist/bootstrap3-editable/css/bootstrap-editable.css`,
+    ], `${__dirname}/Assets/admin/css/translation.css`)
+    .copy(`${__dirname}/node_modules/x-editable/dist/bootstrap3-editable/img`, `${__dirname}/Assets/admin/img`)
+    .then(() => {
+        execSync(`npm run rtlcss ${__dirname}/Assets/admin/css/translation.css ${__dirname}/Assets/admin/css/translation.rtl.css`);
+    });

Modules/Translation/yarn.lock

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+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+x-editable@^1.5.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/x-editable/-/x-editable-1.5.1.tgz#2edbb8911ef2c5d61f63f06b0cf020be0fcc5849"