added new models and migrations for automatic tracking of moon rental payments

database/migrations/2020_05_09_171338_create_alliance_moon_rental_invoices_table.php

@@ -0,0 +1,53 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateAllianceMoonRentalInvoicesTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        if(!Schema::hasTable('alliance_moon_rental_invoices')) {
+            Schema::create('alliance_moon_rental_invoices', function (Blueprint $table) {
+                $table->unsignedBigIncrements('id');
+                $table->unsignedBigInteger('character_id');
+                $table->string('character_name');
+                $table->unsignedBigInteger('corporation_id');
+                $table->string('corporation_name');
+                $table->text('rental_moons');
+                $table->decimal('invoice_amount', 20, 2);
+                $table->dateTime('due_date');
+                $table->enum('paid', ['Yes', 'No']);
+                $table->timestamps();
+            });
+        }
+
+        if(!Schema::hasTable('alliance_moon_rental_payments')) {
+            Schema::create('alliance_moon_rental_payments', function (Blueprint $table) {
+                $table->unsignedBigIncrements('id');
+                $table->unsignedBigInteger('invoice_id');
+                $table->decimal('payment_amount');
+                $table->unsignedBigInteger('reference_id');
+                $table->timestamps();
+            });
+        }
+        
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('alliance_moon_rental_invoices');
+        Schema::dropIfExists('alliance_moon_rental_payments');
+    }
+}