allowed login models and update of login controller

database/migrations/2019_01_08_015340_drop_users_role_column.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class DropUsersRoleColumn extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        if(Schema::hasColumn('users', 'role')) {
+            Schema::table('users', function($table) {
+                $table->dropColumn('role');
+            });
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+}

database/migrations/2019_01_08_025935_create_allowed_logins_table.php

@@ -0,0 +1,35 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateAllowedLoginsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        if(!Schema::hasTable('allowed_logins')) {
+            Schema::create('allowed_logins', function (Blueprint $table) {
+                $table->increments('id');
+                $table->string('entity_id');
+                $table->string('entity_type');
+                $table->timestamps();
+            });
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('allowed_logins');
+    }
+}