slapos_accounting: Calculate User's "Outstanding" Amounts on SlapOS

    This consider Maximum Delay and Maximum Credit a user can have

master/bt5/slapos_accounting/SkinTemplateItem/portal_skins/slapos_accounting/Entity_statOutstandingAmount.py

@@ -2,7 +2,6 @@ from Products.ZSQLCatalog.SQLCatalog import SimpleQuery, ComplexQuery
 portal = context.getPortalObject()
 params = {"node_category_strict_membership": ['account_type/asset/receivable',
                                                'account_type/liability/payable']}
-from DateTime import DateTime
 if at_date:
   params['at_date'] = at_date
   params['grouping_query'] = ComplexQuery(
@@ -12,6 +11,9 @@ if at_date:
 else:
   params['grouping_reference'] = None
 
+if resource_uid is not None:
+  params["resource_uid"] = resource_uid
+
 return portal.portal_simulation.getInventoryAssetPrice(
               mirror_section_uid = context.getUid(),
               simulation_state=('stopped', 'delivered'),

master/bt5/slapos_accounting/SkinTemplateItem/portal_skins/slapos_accounting/Entity_statOutstandingAmount.xml

@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>at_date=None, **kw</string> </value>
+            <value> <string>at_date=None, resource_uid=None, **kw</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>

master/bt5/slapos_accounting/SkinTemplateItem/portal_skins/slapos_contract/Entity_statSlapOSOutstandingAmount.py

+portal = context.getPortalObject()
+from DateTime import DateTime
+
+if contract is None:
+  contract = portal.portal_catalog.getResultValue(
+    portal_type="Cloud Contract",
+    default_destination_section_uid=context.getUid(),
+    validation_state=['invalidated', 'validated'],
+  )
+  if contract is None:
+    return context.Entity_statOutstandingAmount()
+
+# We evaluate Multiple scenarios
+amount = context.Entity_statOutstandingAmount()
+# All payed so just return
+if not amount:
+  return amount
+
+maximum_invoice_delay = contract.getMaximumInvoiceDelay()
+maximum_invoice_credit = 0.0
+
+# For now we only support those 2 currencies
+currency_uid_list = [
+  portal.currency_module.EUR.getUid(),
+  portal.currency_module.CNY.getUid(),
+]
+
+for currency_uid in currency_uid_list:
+  for line in contract.objectValues(
+    portal_type="Cloud Contract Line"):
+    if line.getPriceCurrencyUid() == currency_uid:
+      maximum_invoice_credit = line.getMaximumInvoiceCredit()
+      amount_per_currency = context.Entity_statOutstandingAmount(resource_uid=currency_uid)
+      if amount_per_currency > maximum_invoice_credit:
+        return amount_per_currency # We exceed maximum amount because
+                                   # user already requested too much
+
+if maximum_invoice_delay:
+  # Recalculate now ignoring the all invoices from lastest days.
+  at_date = DateTime()-maximum_invoice_delay
+  return context.Entity_statOutstandingAmount(
+      at_date=at_date)
+
+return amount

master/bt5/slapos_accounting/SkinTemplateItem/portal_skins/slapos_contract/Entity_statSlapOSOutstandingAmount.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string>contract=None, **kw</string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Entity_statSlapOSOutstandingAmount</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>