first upload all files

Modules/Meta/Database/Migrations/2017_11_26_083614526622_create_meta_data_table.php

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

Modules/Meta/Database/Migrations/2017_11_26_083614526828_create_meta_data_translations_table.php

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

Modules/Meta/Database/Migrations/2020_02_22_215943_delete_meta_keywords_column_from_meta_data_translations_table.php

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+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class DeleteMetaKeywordsColumnFromMetaDataTranslationsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('meta_data_translations', function (Blueprint $table) {
+            $table->dropColumn('meta_keywords');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('meta_data_translations', function (Blueprint $table) {
+            $table->text('meta_keywords')->nullable()->after('meta_title');
+        });
+    }
+}

Modules/Meta/Eloquent/HasMetaData.php

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+<?php
+
+namespace Modules\Meta\Eloquent;
+
+use Modules\Meta\Entities\MetaData;
+
+trait HasMetaData
+{
+    /**
+     * The "booting" method of the trait.
+     *
+     * @return void
+     */
+    public static function bootHasMetaData()
+    {
+        static::saved(function ($entity) {
+            $entity->saveMetaData(request('meta', []));
+        });
+    }
+
+    /**
+     * Get the meta for the entity.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\MorphToMany
+     */
+    public function meta()
+    {
+        return $this->morphOne(MetaData::class, 'entity')->withDefault();
+    }
+
+    /**
+     * Save meta data for the entity.
+     *
+     * @param array $data
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function saveMetaData($data = [])
+    {
+        $this->meta->fill([locale() => $data])->save();
+    }
+}

Modules/Meta/Entities/MetaData.php

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+<?php
+
+namespace Modules\Meta\Entities;
+
+use Modules\Support\Eloquent\Model;
+use Modules\Support\Eloquent\Translatable;
+
+class MetaData 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 = ['entity_id', 'entity_type'];
+
+    /**
+     * The attributes that are translatable.
+     *
+     * @var array
+     */
+    protected $translatedAttributes = ['meta_title', 'meta_description'];
+
+    public function getMetaKeywordsAttribute($keywords)
+    {
+        return is_array($keywords) ? $keywords : [];
+    }
+}

Modules/Meta/Entities/MetaDataTranslation.php

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+<?php
+
+namespace Modules\Meta\Entities;
+
+use Modules\Support\Eloquent\TranslationModel;
+
+class MetaDataTranslation extends TranslationModel
+{
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = ['meta_title', 'meta_description'];
+}

Modules/Meta/Resources/lang/en/attributes.php

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+<?php
+
+return [
+    'meta_title' => 'Meta Title',
+    'meta_description' => 'Meta Description',
+];

Modules/Meta/Resources/views/admin/meta_fields.blade.php

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+@if ($entity->slug ?? false)
+    {{ Form::text('slug', trans('page::attributes.slug'), $errors, $entity, ['required' => true]) }}
+@endif
+
+<div class="form-group">
+    <label for="meta-title" class="col-md-3 control-label text-left">
+        {{ trans('meta::attributes.meta_title') }}
+    </label>
+
+    <div class="col-md-9">
+        <input type="text"
+            name="meta[meta_title]"
+            class="form-control"
+            id="meta-title"
+            value="{{ old("meta.meta_title", optional($entity->meta ?? null)->translate(locale())->meta_title ?? '') }}"
+        >
+    </div>
+</div>
+
+<div class="form-group">
+    <label for="meta-description" class="col-md-3 control-label text-left">
+        {{ trans('meta::attributes.meta_description') }}
+    </label>
+
+    <div class="col-md-9">
+        <textarea name="meta[meta_description]"
+            class="form-control"
+            id="meta-description"
+            rows="10"
+            cols="10"
+        >{{ old("meta.meta_description", optional($entity->meta ?? null)->translate(locale())->meta_description ?? '') }}</textarea>
+    </div>
+</div>

Modules/Meta/composer.json

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

Modules/Meta/module.json

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+{
+    "name": "Meta",
+    "alias": "meta",
+    "description": "Meta data management",
+    "priority": 110
+}