INA-6 | Migration for purchase order invitations

database/migrations/2022_06_01_224339_create_purchase_order_invitations_table.php

@@ -0,0 +1,55 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreatePurchaseOrderInvitationsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('purchase_order_invitations', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedInteger('company_id');
+            $table->unsignedInteger('user_id');
+            $table->unsignedInteger('vendor_contact_id');
+            $table->unsignedInteger('purchase_order_id')->index();
+            $table->string('key')->index();
+            $table->string('transaction_reference')->nullable();
+            $table->string('message_id')->nullable()->index();
+            $table->mediumText('email_error')->nullable();
+            $table->text('signature_base64')->nullable();
+            $table->datetime('signature_date')->nullable();
+
+            $table->datetime('sent_date')->nullable();
+            $table->datetime('viewed_date')->nullable();
+            $table->datetime('opened_date')->nullable();
+
+            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade')->onUpdate('cascade');
+            $table->foreign('vendor_contact_id')->references('id')->on('vendor_contacts')->onDelete('cascade')->onUpdate('cascade');
+            $table->foreign('purchase_order_id')->references('id')->on('purchase_orders')->onDelete('cascade')->onUpdate('cascade');
+            $table->foreign('company_id')->references('id')->on('companies')->onDelete('cascade')->onUpdate('cascade');
+
+            $table->timestamps(6);
+            $table->softDeletes('deleted_at', 6);
+
+            $table->index(['deleted_at', 'purchase_order_id', 'company_id']);
+            $table->unique(['vendor_contact_id', 'purchase_order_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('purchase_order_invitations');
+    }
+}