Change supplier and abstract model to match the design agreed in the office.

assets/models.py

@@ -1,13 +1,34 @@
 from django.db import models
 import reversion
 
+
 # Create your models here.
 class Suppliers(models.Model):
-	name = models.CharField(max_length=100)
-	address = models.TextField()
-    phone = models.CharField(max_length=13, null=True, blank=True)
-	company_number = models.IntegerField()
+    name = models.CharField(max_length=100)
 
-class AbstractAsset(object):
-    purchase_cost = models.DecimalField(max_digits=10, decimal_places=2)
-    purchase_date = models.DateField(blank=True, null=True)
+
+class AbstractAsset(models.Model):
+    STATUS_LOST = 1
+    STATUS_ACTIVE = 2
+    STATUS_INACTIVE = 3
+    STATUS_BROKEN = 4
+    STATUS_SCRAPPED = 5
+    STATUS_NOT_BUILT = 6
+    STATUS_SOLD = 7
+
+    STATUS_CHOICES = (
+        (STATUS_LOST, 'Lost'),
+        (STATUS_ACTIVE, 'Active'),
+        (STATUS_INACTIVE, 'Inactive'),
+        (STATUS_BROKEN, 'Broken'),
+        (STATUS_SCRAPPED, 'Scrapped'),
+        (STATUS_NOT_BUILT, 'Not Yet Built'),
+        (STATUS_SOLD, 'Sold'),
+    )
+
+    status = models.IntegerField(choices=STATUS_CHOICES)
+    notes = models.TextField(blank=True, null=True)
+    # test_period  # decide what to do with this later
+
+    class Meta:
+        abstract = True