Specify 'default' functions for 'reference' field in SalesOrder and PurchaseOrder

- Refactor CreatePurchaseOrder form
- Some migrations

InvenTree/company/migrations/0040_alter_company_currency.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.2.4 on 2021-07-02 13:21
+
+import InvenTree.validators
+import common.settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('company', '0039_auto_20210701_0509'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='company',
+            name='currency',
+            field=models.CharField(blank=True, default=common.settings.currency_code_default, help_text='Default currency used for this company', max_length=3, validators=[InvenTree.validators.validate_currency_code], verbose_name='Currency'),
+        ),
+    ]

InvenTree/company/templates/company/company_base.html

@@ -115,16 +115,11 @@
     });
 
     $("#company-order-2").click(function() {
-        launchModalForm("{% url 'po-create' %}",
-        {
-            data: {
-                supplier: {{ company.id }},
-            },
-            follow: true,
+        createPurchaseOrder({
+            supplier: {{ company.pk }},
         });
     });
 
-
     $('#company-delete').click(function() {
         constructForm('{% url "api-company-detail" company.pk %}', {
             method: 'DELETE',

InvenTree/company/templates/company/purchase_orders.html

@@ -39,14 +39,9 @@
         }
     });
 
-
     function newOrder() {
-        launchModalForm("{% url 'po-create' %}",
-        {
-            data: {
-                supplier: {{ company.id }},
-            },
-            follow: true,
+        createPurchaseOrder({
+            supplier: {{ company.pk }},
         });
     }