Add model for supplier order (PO)

- Added create page
- Added detail page

InvenTree/supplier/forms.py

@@ -3,6 +3,29 @@ from crispy_forms.helper import FormHelper
 from crispy_forms.layout import Submit
 
 from .models import Supplier, SupplierPart
+from .models import SupplierOrder
+
+
+class EditSupplierOrderForm(forms.ModelForm):
+
+    def __init__(self, *args, **kwargs):
+        super(EditSupplierOrderForm, self).__init__(*args, **kwargs)
+        self.helper = FormHelper()
+
+        self.helper.form_id = 'id-edit-part-form'
+        self.helper.form_class = 'blueForms'
+        self.helper.form_method = 'post'
+
+        self.helper.add_input(Submit('submit', 'Submit'))
+
+    class Meta:
+        model = SupplierOrder
+        fields = [
+            'internal_ref',
+            'supplier',
+            'notes',
+            'issued_date',
+        ]
 
 
 class EditSupplierForm(forms.ModelForm):

InvenTree/supplier/migrations/0009_auto_20180417_1411.py

@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.12 on 2018-04-17 14:11
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('supplier', '0008_delete_customer'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='SupplierOrder',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('internal_ref', models.CharField(max_length=25, unique=True)),
+                ('created_date', models.DateField(auto_now_add=True)),
+                ('issued_date', models.DateField(blank=True, help_text='Date the purchase order was issued')),
+                ('notes', models.TextField(blank=True, help_text='Order notes')),
+                ('supplier', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='supplier.Supplier')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='SupplierOrderLineItem',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('line_number', models.PositiveIntegerField(default=1)),
+                ('quantity', models.PositiveIntegerField(default=1)),
+                ('notes', models.TextField(blank=True)),
+                ('order', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='supplier.SupplierOrder')),
+                ('part', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='supplier.SupplierPart')),
+            ],
+        ),
+        migrations.AlterUniqueTogether(
+            name='supplierorderlineitem',
+            unique_together=set([('order', 'line_number'), ('order', 'part')]),
+        ),
+    ]

InvenTree/supplier/migrations/0010_auto_20180417_1420.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.12 on 2018-04-17 14:20
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('supplier', '0009_auto_20180417_1411'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='supplierorder',
+            name='issued_date',
+            field=models.DateField(blank=True, help_text='Date the purchase order was issued', null=True),
+        ),
+    ]

InvenTree/supplier/models.py

@@ -103,3 +103,48 @@ class SupplierPriceBreak(models.Model):
             cost=self.cost,
             currency=self.currency if self.currency else '',
             quan=self.quantity)
+
+
+class SupplierOrder(models.Model):
+    """
+    An order of parts from a supplier, made up of multiple line items
+    """
+
+    def get_absolute_url(self):
+        return "/supplier/order/{id}/".format(id=self.id)
+
+    # Interal reference for this order
+    internal_ref = models.CharField(max_length=25, unique=True)
+
+    supplier = models.ForeignKey(Supplier, on_delete=models.CASCADE)
+
+    created_date = models.DateField(auto_now_add=True, editable=False)
+
+    issued_date = models.DateField(blank=True, null=True, help_text="Date the purchase order was issued")
+
+    notes = models.TextField(blank=True, help_text="Order notes")
+
+    def __str__(self):
+        return "PO {ref}".format(ref=self.internal_ref)
+
+
+class SupplierOrderLineItem(models.Model):
+    """
+    A line item in a supplier order, corresponding to some quantity of part
+    """
+
+    class Meta:
+        unique_together = [
+            ('order', 'line_number'),
+            ('order', 'part'),
+        ]
+
+    order = models.ForeignKey(SupplierOrder, on_delete=models.CASCADE)
+
+    line_number = models.PositiveIntegerField(default=1)
+
+    part = models.ForeignKey(SupplierPart, null=True, blank=True, on_delete=models.SET_NULL)
+
+    quantity = models.PositiveIntegerField(default=1)
+
+    notes = models.TextField(blank=True)

InvenTree/supplier/templates/supplier/order_create.html

@@ -0,0 +1,5 @@
+{% extends "create_edit_obj.html" %}
+
+{% block obj_title %}
+Create a new supplier purchase order
+{% endblock %}

InvenTree/supplier/templates/supplier/order_detail.html

@@ -0,0 +1,7 @@
+{% include "base.html" %}
+
+{% block content %}
+
+Details for supplier order {{ order.id }}.
+
+{% endblock %}

InvenTree/supplier/urls.py

@@ -61,10 +61,30 @@ supplier_part_detail_urls = [
     url('^.*$', views.SupplierPartDetail.as_view(), name='supplier-part-detail'),
 ]
 
-supplier_urls = [
+supplier_part_urls = [
-    url(r'part/(?P<pk>\d+)/', include(supplier_part_detail_urls)),
+    url(r'^new/?', views.SupplierPartCreate.as_view(), name='supplier-part-create'),
 
-    url(r'part/new/?', views.SupplierPartCreate.as_view(), name='supplier-part-create'),
+    url(r'^(?P<pk>\d+)/', include(supplier_part_detail_urls)),
+]
+
+supplier_order_detail_urls = [
+
+
+    url('^.*$', views.SupplierOrderDetail.as_view(), name='supplier-order-detail'),
+]
+
+supplier_order_urls = [
+    url(r'^new/?', views.SupplierOrderCreate.as_view(), name='supplier-order-create'),
+
+    url(r'^(?P<pk>\d+)/', include(supplier_order_detail_urls)),
+]
+
+supplier_urls = [
+
+
+    url(r'part/', include(supplier_part_urls)),
+
+    url(r'order/', include(supplier_order_urls)),
 
     url(r'new/?', views.SupplierCreate.as_view(), name='supplier-create'),
 

InvenTree/supplier/views.py

@@ -6,9 +6,24 @@ from django.views.generic.edit import UpdateView, DeleteView, CreateView
 
 from part.models import Part
 from .models import Supplier, SupplierPart
+from .models import SupplierOrder
 
 from .forms import EditSupplierForm
 from .forms import EditSupplierPartForm
+from .forms import EditSupplierOrderForm
+
+class SupplierOrderDetail(DetailView):
+    context_object_name = 'order'
+    model = SupplierOrder
+    template_name = 'supplier/order_detail.html'
+    queryset = SupplierOrder.objects.all()
+
+
+class SupplierOrderCreate(CreateView):
+    model = SupplierOrder
+    form_class = EditSupplierOrderForm
+    context_object_name = 'supplier'
+    template_name = 'supplier/order_create.html'
 
 
 class SupplierIndex(ListView):