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Changes between Initial Version and Version 1 of Ticket #30

-                      initial
+                      v1
 Each purchase order can only be made out to a single supplier so this could be linked to from inventory items with a 'puchase from this supplier' link. This would then start a purchase order.
 On receipt of items they should be easily credited into inventory and a payment approved action is required.
+On receipt of items they should be easily credited into inventory with automatic creation of inventory movements and a payment approved action is required.
 Purchase order numbers are supplied in batches eg P10001 - P20000 an interface and logic is required to handle this.
+{{{
+class PurchaseOrder {
+    PurchaseOrderNumber purchaseOrderNumber
+    Integer estimatedTotal
+    hasMany = [purchaseOrderLineItems: PurchaseOrderLineItem]
+}
+class PurchaseOrderNumber {
+    PurcaseOrder purchaseOrder
+    String value
+}
+class PurchaseOrderLineItem {
+    InventoryItem inventoryItem
+    CostCentre(Department.costCode+SystemSection.costCode?)
+    CostCode from asset type or asset.
+}
+}}}