Organisation registration process implemented with configurable approval workflow

src/Database/Migrations/v001/OrganisationApprovalsTable.php

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+<?php
+
+/*
+ * AVSDev UF Organisations (https://avsdev.uk)
+ *
+ * @link      https://git.avsdev.uk/avsdev/sprinkle-organisations
+ * @license   https://git.avsdev.uk/avsdev/sprinkle-organisations/blob/master/LICENSE.md (LGPL-3.0 License)
+ */
+
+namespace UserFrosting\Sprinkle\Organisations\Database\Migrations\v001;
+
+use Illuminate\Database\Schema\Blueprint;
+use UserFrosting\Sprinkle\Core\Database\Migration;
+
+/**
+ * Organisation Approvals table migration
+ * Manages requests for organisation approvals.
+ * Version 1.0.0.
+ *
+ * @author Craig Williams (https://avsdev.uk)
+ */
+class OrganisationApprovalsTable extends Migration
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function up()
+    {
+        if (!$this->schema->hasTable('organisation_approvals')) {
+            $this->schema->create('organisation_approvals', function (Blueprint $table) {
+                $table->increments('id');
+                $table->integer('requester_id')->unsigned();
+                $table->integer('organisation_id')->unsigned();
+                $table->string('hash');
+                $table->boolean('completed')->default(0);
+                $table->timestamp('expires_at')->nullable();
+                $table->timestamp('completed_at')->nullable();
+                $table->integer('approver_id')->unsigned();
+                $table->timestamps();
+
+                $table->engine = 'InnoDB';
+                $table->collation = 'utf8_unicode_ci';
+                $table->charset = 'utf8';
+                $table->foreign('requester_id')->references('id')->on('users');
+                $table->foreign('approver_id')->references('id')->on('users');
+                $table->foreign('organisation_id')->references('id')->on('organisations');
+                $table->index('requester_id');
+                $table->index('approver_id');
+                $table->index('hash');
+            });
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function down()
+    {
+        $this->schema->drop('organisation_approvals');
+    }
+}

src/Database/Migrations/v002/UpdateOrganisationApprovalsTable.php

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+<?php
+
+/*
+ * AVSDev UF Organisations (https://avsdev.uk)
+ *
+ * @link      https://git.avsdev.uk/avsdev/sprinkle-organisations
+ * @license   https://git.avsdev.uk/avsdev/sprinkle-organisations/blob/master/LICENSE.md (LGPL-3.0 License)
+ */
+
+namespace UserFrosting\Sprinkle\Organisations\Database\Migrations\v002;
+
+use Illuminate\Database\Schema\Blueprint;
+use UserFrosting\Sprinkle\Core\Database\Migration;
+
+/**
+ * Organisations approvals table migration
+ * Make the approver_id nullable
+ * Version 1.0.0.
+ *
+ * @author Craig Williams (https://avsdev.uk)
+ */
+class UpdateOrganisationApprovalsTable extends Migration
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static $dependencies = [
+        '\UserFrosting\Sprinkle\Organisations\Database\Migrations\v001\OrganisationApprovalsTable',
+    ];
+    /**
+     * {@inheritdoc}
+     */
+    public function up()
+    {
+        if ($this->schema->hasTable('organisation_approvals')) {
+            $this->schema->table('organisation_approvals', function (Blueprint $table) {
+                $table->integer('approver_id')->unsigned()->nullable()->change();
+            });
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function down()
+    {
+        $this->schema->table('organisations', function (Blueprint $table) {
+            $table->integer('approver_id')->unsigned()->change();
+        });
+    }
+}