Updated batch to use a date instead of string as name.

to update this step, also execute the following sql in the database.

update entities_batches set "Name" = '01-Jan-2012' where "Name" = 'Old Products';
alter table entities_batches alter column "Name" type timestamp without time zone using "Name"::date;

brewman/brewman/models/voucher.py

@@ -218,7 +218,7 @@ class Batch(Base):
     __tablename__ = 'entities_batches'
 
     id = Column('BatchID', GUID(), primary_key=True, default=uuid.uuid4)
-    name = Column('Name', Unicode(255))
+    name = Column('Date', DateTime)
     product_id = Column('ProductID', GUID(), ForeignKey('entities_products.ProductID'))
     quantity_remaining = Column('QuantityRemaining', Numeric)
     rate = Column('Rate', Numeric)
@@ -246,7 +246,7 @@ class Batch(Base):
             query = query.filter(cls.quantity_remaining > 0)
         for item in name.split():
             query = query.filter(Product.name.ilike('%' + item + '%'))
-        return query.order_by(Product.name).all()
+        return query.order_by(Product.name).order_by(cls.name).all()
 
 
     @classmethod

brewman/brewman/views/services/batch.py

@@ -11,8 +11,7 @@ def batch_term(request):
     list = []
     for index, item in enumerate(Batch.list(filter, include_nil=False)):
         text = "{0} ({1}) {2:.2f}@{3:.2f} from {4}".format(item.product.name, item.product.units,
-            item.quantity_remaining,
-            item.rate, item.name)
+            item.quantity_remaining, item.rate, item.name.strftime('%d-%b-%Y'))
         list.append({'BatchID': item.id, 'Name': text, 'QuantityRemaining': item.quantity_remaining,
                      'Rate': item.rate, 'Tax': item.tax, 'Discount': item.discount,
                      'Product': {'ProductID': item.product.id, 'Name': item.product.name, 'Units': item.product.units}})

brewman/brewman/views/services/voucher/__init__.py

@@ -169,7 +169,7 @@ def voucher_info(voucher):
              'Tax': item.tax, 'Discount': item.discount, 'Amount': item.amount,
              'Product': {'ProductID': item.product.id, 'Name': item.product.full_name, 'Units': item.product.units,
                          'Price': item.rate},
-             'Batch': {'BatchID': item.batch.id, 'Name': item.batch.name, 'QuantityRemaining': item.batch.quantity_remaining}})
+             'Batch': {'BatchID': item.batch.id, 'Name': item.batch.name.strftime('%d-%b-%Y'), 'QuantityRemaining': item.batch.quantity_remaining}})
     return json_voucher
 
 

brewman/brewman/views/services/voucher/purchase.py

@@ -16,7 +16,7 @@ def purchase_create_voucher(json, user):
     DBSession.add(voucher)
 
     for item in json['Inventories']:
-        purchase_create_inventory(voucher, item, json['Date'])
+        purchase_create_inventory(voucher, item, dt)
     for item in purchase_create_journals(voucher.inventories, json['Journals'][0]['Ledger']['LedgerID']):
         DBSession.add(item)
         voucher.journals.append(item)
@@ -72,14 +72,14 @@ def purchase_update_voucher(voucher, json, user):
     voucher.posted = False
     voucher.last_edit_date = datetime.datetime.utcnow()
 
-    purchase_update_inventory(voucher, json['Inventories'], json['Date'])
+    purchase_update_inventory(voucher, json['Inventories'])
     purchase_update_journals(voucher, json['Journals'])
     journals_valid(voucher)
     inventory_valid(voucher)
     return voucher
 
 
-def purchase_update_inventory(voucher, newInventories, date):
+def purchase_update_inventory(voucher, newInventories):
     for it in range(len(voucher.inventories), 0, -1):
         item = voucher.inventories[it - 1]
         found = False
@@ -129,7 +129,7 @@ def purchase_update_inventory(voucher, newInventories, date):
         rate = round(Decimal(i['Rate']), 2)
         tax = round(Decimal(i['Tax']), 5)
         discount = round(Decimal(i['Discount']), 5)
-        batch = Batch(name=date, product_id=product.id, quantity_remaining=new_quantity, rate=rate, tax=tax,
+        batch = Batch(name=voucher.date, product_id=product.id, quantity_remaining=new_quantity, rate=rate, tax=tax,
             discount=discount)
         inventory = Inventory(id=None, product_id=product.id, batch=batch, quantity=new_quantity, rate=rate, tax=tax,
             discount=discount)