Add discount per item for invoice

database/migrations/2020_01_08_000000_core_v200.php

@@ -240,6 +240,11 @@ class CoreV200 extends Migration
         Schema::table('users', function (Blueprint $table) {
             $table->string('landing_page', 70)->nullable()->default('dashboard');
         });
+
+        Schema::table('invoice_items', function (Blueprint $table) {
+            $table->double('discount_rate', 15, 4)->default('0.0000');
+            $table->string('discount_type')->default('normal');
+        });
     }
 
     /**

database/seeds/Settings.php

@@ -63,6 +63,7 @@ class Settings extends Seeder
             'invoice.color'                     => '#55588b',
             'default.payment_method'            => 'offline-payments.cash.1',
             'default.list_limit'                => '25',
+            'default.discount_location'         => 'in_totals',
             'default.use_gravatar'              => '0',
             'email.protocol'                    => 'mail',
             'email.sendmail_path'               => '/usr/sbin/sendmail -bs',