Add new migration for media table

database/migrations/2018_08_27_004653_update_media_table_add_alt_text.php

@@ -0,0 +1,44 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class UpdateMediaTableAddAltText extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+       Schema::table('media', function (Blueprint $table) {
+            $table->string('original_sha256')->nullable()->index()->after('user_id');
+            $table->string('optimized_sha256')->nullable()->index()->after('original_sha256');
+            $table->string('caption')->nullable()->after('thumbnail_url');
+            $table->string('hls_path')->nullable()->after('caption');
+            $table->timestamp('hls_transcoded_at')->nullable()->after('processed_at');
+            $table->string('key')->nullable();
+            $table->json('metadata')->nullable();
+       });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+       Schema::table('media', function (Blueprint $table) {
+            $table->dropColumn('original_sha256');
+            $table->dropColumn('optimized_sha256');
+            $table->dropColumn('caption');
+            $table->dropColumn('hls_path');
+            $table->dropColumn('hls_transcoded_at');
+            $table->dropColumn('key');
+            $table->dropColumn('metadata');
+       });
+    }
+}