fix asset price on accounting line

See merge request nexedi/erp5!1611

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/AccountingTransaction_roundDebitCredit.py

 """ Rounds debit and credit lines on generated transactions, according to
-precision of this transaction's resource. 
+precision of this transaction's resource.
 
 What is expected with this script:
 
@@ -9,21 +9,9 @@ What is expected with this script:
   - In reality we probably also want that amount on vat line match invoice vat
   amount, but we have ignored this.
 """
-
-precision = context.getQuantityPrecisionFromResource(context.getResource())
-resource = context.getResourceValue()
-
-line = None
-total_quantity = 0.0
-
 line_list = context.getMovementList(
             portal_type=context.getPortalAccountingMovementTypeList())
 
-for line in line_list:
-  line_quantity = round(line.getQuantity(), precision)
-  line.setQuantity(line_quantity)
-  total_quantity += line_quantity
-
 # If no "line" found (eg no SIT line), then do nothing. This is in the case where a SIT
 # has only Invoice Line and no SIT Line. Otherwise account_type_dict will be empty =>
 # asset_line = None => the assert below will fail because getTotalPrice() will returns the
@@ -31,28 +19,26 @@ for line in line_list:
 if not line_list:
   return
 
-abs_total_quantity = abs(round(total_quantity, precision))
-# The total quantity should be zero with a little error, if simulation has been
-# completely applied, because the debit and the credit must be balanced. However,
-# this is not the case, if the delivery is divergent, as the builder does not
-# adopt prevision automatically, when a conflict happens between the simulation
-# and user-entered values.
-if abs_total_quantity > 2 * resource.getBaseUnitQuantity():
-  return
-
-total_price = round(context.getTotalPrice(), precision)
 account_type_dict = {}
+source_exchange_ratio = None
+destination_exchange_ratio = None
+
 
 for line in line_list:
+  if not destination_exchange_ratio and line.getDestinationTotalAssetPrice():
+    destination_exchange_ratio = line.getDestinationTotalAssetPrice() / line.getQuantity()
+  if not source_exchange_ratio and line.getSourceTotalAssetPrice():
+    source_exchange_ratio = line.getSourceTotalAssetPrice() / line.getQuantity()
+
   for account in (line.getSourceValue(portal_type='Account'),
       line.getDestinationValue(portal_type='Account'),):
     account_type_dict.setdefault(line, set()).add(
       account is not None and account.getAccountTypeValue() or None)
 
+# find asset line which will be used later
 account_type = context.getPortalObject().portal_categories.account_type
 receivable_type = account_type.asset.receivable
 payable_type = account_type.liability.payable
-line_to_adjust = None
 
 asset_line = None
 for line, account_type_list in account_type_dict.iteritems():
@@ -62,41 +48,74 @@ for line, account_type_list in account_type_dict.iteritems():
       asset_line = line
       break
 
-if not asset_line:
-  assert total_price == 0.0 and total_quantity == 0.0, \
-    'receivable or payable line not found.'
-  return
+def roundLine(resource, get_method, set_method, exchange_ratio):
+  precision = context.getQuantityPrecisionFromResource(resource)
+  total_quantity = 0.0
+  for line in line_list:
+    line_quantity = round(getattr(line, get_method)(), precision)
+    getattr(line, set_method)(line_quantity)
+    total_quantity += line_quantity
+
+  abs_total_quantity = abs(round(total_quantity, precision))
+  # The total quantity should be zero with a little error, if simulation has been
+  # completely applied, because the debit and the credit must be balanced. However,
+  # this is not the case, if the delivery is divergent, as the builder does not
+  # adopt prevision automatically, when a conflict happens between the simulation
+  # and user-entered values.
+  if abs_total_quantity > 2 * context.restrictedTraverse(resource).getBaseUnitQuantity():
+    return
+
+  total_price = round(context.getTotalPrice() * exchange_ratio, precision)
+  if not asset_line:
+    assert total_price == 0.0 and total_quantity == 0.0, \
+      'receivable or payable line not found.'
+    return
+
+  # If we have a difference between total credit and total debit, one line is
+  # chosen to add or remove this difference. The payable or receivable is chosen
+  # only if this line is not matching with invoice total price, because total price
+  # comes from all invoice lines (quantity * price) and it is what should be payed.
+  # And payable or receivable line is the record in the accounting of what has
+  # to be payed. Then, we must not touch it when it already matches.
+  # If is not a payable or receivable, vat or other line (ie. income) is used.
+  line_to_adjust = None
+  if abs_total_quantity != 0:
+    if round(abs(getattr(asset_line, get_method)()), precision) != round(abs(context.getTotalPrice()) * exchange_ratio, precision):
+      # adjust payable or receivable
+      for line in line_list:
+        if receivable_type in account_type_dict[line] or \
+            payable_type in account_type_dict[line]:
+          line_to_adjust = line
+          break
+    if line_to_adjust is None:
+      # VAT
+      for line in line_list:
+        if receivable_type.refundable_vat in account_type_dict[line] or \
+            payable_type.collected_vat in account_type_dict[line]:
+          line_to_adjust = line
+          break
+    if line_to_adjust is None:
+      # adjust anything except payable or receivable
+      for line in line_list:
+        if receivable_type not in account_type_dict[line] and \
+            payable_type not in account_type_dict[line]:
+          line_to_adjust = line
+          break
+
+  if line_to_adjust is not None:
+    getattr(line_to_adjust, set_method)(
+      round(getattr(line_to_adjust, get_method)() - total_quantity, precision))
+
+
 
-# If we have a difference between total credit and total debit, one line is 
-# chosen to add or remove this difference. The payable or receivable is chosen 
-# only if this line is not matching with invoice total price, because total price
-# comes from all invoice lines (quantity * price) and it is what should be payed.
-# And payable or receivable line is the record in the accounting of what has 
-# to be payed. Then, we must not touch it when it already matches.
-# If is not a payable or receivable, vat or other line (ie. income) is used.
-if abs_total_quantity != 0:
-  if round(abs(asset_line.getQuantity()), precision) != round(abs(context.getTotalPrice()), precision):
-    # adjust payable or receivable
-    for line in line_list:
-      if receivable_type in account_type_dict[line] or \
-          payable_type in account_type_dict[line]:
-        line_to_adjust = line
-        break
-  if line_to_adjust is None:
-    # VAT
-    for line in line_list:
-      if receivable_type.refundable_vat in account_type_dict[line] or \
-          payable_type.collected_vat in account_type_dict[line]:
-        line_to_adjust = line
-        break
-  if line_to_adjust is None:
-    # adjust anything except payable or receivable
-    for line in line_list:
-      if receivable_type not in account_type_dict[line] and \
-          payable_type not in account_type_dict[line]:
-        line_to_adjust = line
-        break
-
-if line_to_adjust is not None:
-  line_to_adjust.setQuantity(
-    round(line_to_adjust.getQuantity() - total_quantity, precision))
+resource = context.getResource()
+# Round Debit/credit
+roundLine(resource, 'getQuantity', 'setQuantity', 1)
+# Round source asset price
+if source_exchange_ratio:
+  source_section_price_currency = context.getSourceSectionValue().getPriceCurrency()
+  roundLine(source_section_price_currency, 'getSourceTotalAssetPrice', 'setSourceTotalAssetPrice', source_exchange_ratio)
+# Round destination asset price
+if destination_exchange_ratio:
+  destination_section_price_currency = context.getDestinationSectionValue().getPriceCurrency()
+  roundLine(destination_section_price_currency, 'getDestinationTotalAssetPrice', 'setDestinationTotalAssetPrice', destination_exchange_ratio)

bt5/erp5_accounting_ui_test/TestTemplateItem/portal_components/test.erp5.testConversionInSimulation.py

@@ -313,7 +313,7 @@ class TestConversionInSimulation(AccountingTestCase):
           delivery_movement.getPriceCurrencyValue())
     self.assertEquals\
      (invoice_transaction_movement_1.getDestinationTotalAssetPrice(),
-        round(655.957*delivery_movement.getTotalPrice()))
+        655.957*invoice_transaction_movement_1.getTotalPrice())
     self.assertEquals\
         (invoice_transaction_movement_1.getSourceTotalAssetPrice(),
         None)
@@ -325,7 +325,7 @@ class TestConversionInSimulation(AccountingTestCase):
           delivery_movement.getPriceCurrencyValue())
     self.assertEquals\
         (invoice_transaction_movement_2.getDestinationTotalAssetPrice(),
-        round(655.957*delivery_movement.getTotalPrice()))
+        655.957*invoice_transaction_movement_2.getTotalPrice())
 
   def test_01_simulation_movement_source_asset_price(self,quiet=0,
           run=run_all_test):
@@ -405,7 +405,7 @@ class TestConversionInSimulation(AccountingTestCase):
           delivery_movement.getPriceCurrencyValue())
     self.assertEquals\
         (invoice_transaction_movement.getSourceTotalAssetPrice(),
-        round(655.957*delivery_movement.getTotalPrice()))
+         -655.957*invoice_transaction_movement.getTotalPrice())
     self.assertEquals\
         (invoice_transaction_movement.getDestinationTotalAssetPrice(),
         None)
@@ -478,11 +478,6 @@ class TestConversionInSimulation(AccountingTestCase):
     related_packing_list.stop()
     self.tic()
     self.buildInvoices()
-    related_applied_rule = order.getCausalityRelatedValue(
-                             portal_type='Applied Rule')
-    order_movement = related_applied_rule.contentValues()[0]
-    delivery_applied_rule = order_movement.contentValues()[0]
-    delivery_movement = delivery_applied_rule.contentValues()[0]
     related_invoice = related_packing_list.getCausalityRelatedValue(
                             portal_type='Sale Invoice Transaction')
     self.assertNotEquals(related_invoice, None)
@@ -491,9 +486,113 @@ class TestConversionInSimulation(AccountingTestCase):
     line_list= related_invoice.contentValues(
       portal_type=self.portal.getPortalAccountingMovementTypeList())
     self.assertNotEquals(line_list, None)
+    result_list = []
     for line in line_list:
-      self.assertEqual(line.getDestinationTotalAssetPrice(),
-              round(655.957*delivery_movement.getTotalPrice()))
+      result_list.append((line.getSource(), line.getDestinationTotalAssetPrice()))
+      self.assertEqual(line.getSourceTotalAssetPrice(), None)
+
+    self.assertEquals(
+      sorted(result_list),
+      sorted([
+        ('account_module/customer', round(-2*(1+0.196)*655.957)),
+        ('account_module/receivable_vat', round(2*0.196*655.957)),
+        ('account_module/sale', round(2*655.957 ))
+      ])
+    )
+
+    self.assertEqual(len(related_invoice.checkConsistency()), 0)
+
+  def test_01_source_total_asset_price_on_accounting_lines(self,quiet=0,
+          run=run_all_test):
+    """
+    tests that the delivery builder of the invoice transaction lines
+    copies the source asset price on the accounting_lines of the invoice
+    """
+    if not run: return
+    if not quiet:
+      printAndLog(
+       'test_01_source_total_asset_price_on_accounting_lines')
+
+    resource = self.portal.product_module.newContent(
+                    portal_type='Product',
+                    title='Resource',
+                    product_line='apparel')
+    currency = self.portal.currency_module.newContent(
+                                portal_type='Currency',
+                                title='euro')
+    currency.setBaseUnitQuantity(0.01)
+    new_currency = \
+           self.portal.currency_module.newContent(portal_type='Currency')
+    new_currency.setReference('XOF')
+    new_currency.setTitle('Francs CFA')
+    new_currency.setBaseUnitQuantity(1.00)
+    self.tic()#execute transaction
+    x_curr_ex_line = currency.newContent(
+                                  portal_type='Currency Exchange Line',
+                        price_currency=new_currency.getRelativeUrl())
+    x_curr_ex_line.setTitle('Euro to Francs CFA')
+    x_curr_ex_line.setBasePrice(655.957)
+    x_curr_ex_line.setStartDate(DateTime(2008,10,21))
+    x_curr_ex_line.setStopDate(DateTime(2008,10,22))
+    x_curr_ex_line.validate()
+    self.createBusinessProcess(currency)
+    self.tic()#execute transaction
+    client = self.portal.organisation_module.newContent(
+                            portal_type='Organisation',
+                            title='Client',
+                         default_address_region=self.default_region)
+    vendor = self.portal.organisation_module.newContent(
+                            portal_type='Organisation',
+                            title='Vendor',
+                         price_currency=new_currency.getRelativeUrl(),
+                         default_address_region=self.default_region)
+    order = self.portal.sale_order_module.newContent(
+                              portal_type='Sale Order',
+                              source_value=vendor,
+                              source_section_value=vendor,
+                              destination_value=client,
+                              destination_section_value=client,
+                              start_date=DateTime(2008,10, 21),
+                              price_currency_value=currency,
+                              specialise_value=self.business_process,
+                              title='Order')
+    order.newContent(portal_type='Sale Order Line',
+                     resource_value=resource,
+                     quantity=1,
+                     price=2)
+    order.confirm()
+    self.tic()
+    self.buildPackingLists()
+    related_packing_list = order.getCausalityRelatedValue(
+                                portal_type='Sale Packing List')
+    self.assertNotEquals(related_packing_list, None)
+    related_packing_list.start()
+    related_packing_list.stop()
+    self.tic()
+    self.buildInvoices()
+    related_invoice = related_packing_list.getCausalityRelatedValue(
+                            portal_type='Sale Invoice Transaction')
+    self.assertNotEquals(related_invoice, None)
+    related_invoice.start()
+    self.tic()
+    line_list= related_invoice.contentValues(
+      portal_type=self.portal.getPortalAccountingMovementTypeList())
+    self.assertNotEquals(line_list, None)
+    result_list = []
+    for line in line_list:
+      result_list.append((line.getSource(), line.getSourceTotalAssetPrice()))
+      self.assertEqual(line.getDestinationTotalAssetPrice(), None)
+
+    self.assertEquals(
+      sorted(result_list),
+      sorted([
+        ('account_module/customer', round(2*(1+0.196)*655.957)),
+        ('account_module/receivable_vat', round(-2*0.196*655.957)),
+        ('account_module/sale', round(-2*655.957 ))
+      ])
+    )
+
+    self.assertEqual(len(related_invoice.checkConsistency()), 0)
 
   def test_01_diverged_sale_packing_list_destination_total_asset_price(
           self,quiet=0,run=run_all_test):
@@ -565,8 +664,6 @@ class TestConversionInSimulation(AccountingTestCase):
     related_packing_list_line_list=related_packing_list.getMovementList()
     related_packing_list_line= related_packing_list_line_list[0]
     self.assertEqual(related_packing_list_line.getQuantity(),5.0)
-    old_destination_asset_price = \
-          round(655.957*related_packing_list_line.getTotalPrice())
 
     related_packing_list_line.edit(quantity=3.0)
     self.tic()
@@ -587,11 +684,17 @@ class TestConversionInSimulation(AccountingTestCase):
     invoice_applied_rule = delivery_movement.contentValues()[0]
     invoice_movement = invoice_applied_rule.contentValues()[0]
     invoice_transaction_applied_rule = invoice_movement.contentValues()[0]
-    invoice_transaction_movement =\
-         invoice_transaction_applied_rule.contentValues()[0]
-    self.assertEqual(
-       invoice_transaction_movement.getDestinationTotalAssetPrice(),
-                old_destination_asset_price *(3.0/5.0))
+    result_list = []
+    for invoice_transaction_movement in invoice_transaction_applied_rule.contentValues():
+      result_list.append((invoice_transaction_movement.getSource(), invoice_transaction_movement.getDestinationTotalAssetPrice()))
+    self.assertEquals(
+      sorted(result_list),
+      sorted([
+        ('account_module/customer', -2*3*(1+0.196)*655.957),
+        ('account_module/receivable_vat', 2*3*0.196*655.957),
+        ('account_module/sale', 2*3*655.957 )
+      ])
+    )
 
 
   def test_01_diverged_purchase_packing_list_source_total_asset_price(
@@ -664,8 +767,6 @@ class TestConversionInSimulation(AccountingTestCase):
     related_packing_list_line_list=related_packing_list.getMovementList()
     related_packing_list_line= related_packing_list_line_list[0]
     self.assertEqual(related_packing_list_line.getQuantity(),5.0)
-    old_source_asset_price = \
-          round(655.957*related_packing_list_line.getTotalPrice())
 
     related_packing_list_line.edit(quantity=3.0)
     self.tic()
@@ -687,11 +788,17 @@ class TestConversionInSimulation(AccountingTestCase):
     invoice_applied_rule = delivery_movement.contentValues()[0]
     invoice_movement = invoice_applied_rule.contentValues()[0]
     invoice_transaction_applied_rule = invoice_movement.contentValues()[0]
-    invoice_transaction_movement =\
-         invoice_transaction_applied_rule.contentValues()[0]
-    self.assertEqual(invoice_transaction_movement.\
-        getSourceTotalAssetPrice(),
-        old_source_asset_price *(3.0/5.0))
+    result_list = []
+    for invoice_transaction_movement in invoice_transaction_applied_rule.contentValues():
+      result_list.append((invoice_transaction_movement.getSource(), invoice_transaction_movement.getSourceTotalAssetPrice()))
+    self.assertEquals(
+      sorted(result_list),
+      sorted([
+        ('account_module/customer', 2*3*(1+0.196)*655.957),
+        ('account_module/receivable_vat', -2*3*0.196*655.957),
+        ('account_module/sale', -2*3*655.957 )
+      ])
+    )
 
   def test_01_delivery_mode_on_sale_packing_list_and_invoice(
           self,quiet=0,run=run_all_test):

bt5/erp5_invoicing/DocumentTemplateItem/portal_components/document.erp5.InvoiceTransactionSimulationRule.py

@@ -124,29 +124,35 @@ class InvoiceTransactionRuleMovementGenerator(MovementGeneratorMixin):
                                       .getParentValue().getParentValue()
 
     kw = {'delivery': None, 'resource': resource, 'price': 1}
+    return kw
 
-    if resource is not None:
-      #set asset_price on movement when resource is different from price
-      #currency of the source/destination section
-      for arrow in 'destination', 'source':
-        section = input_movement.getDefaultAcquiredValue(arrow + '_section')
-        if section is not None:
-          try:
-            currency_url = section.getPriceCurrency()
-          except AttributeError:
-            currency_url = None
-          if currency_url not in (None, resource):
-            currency = portal.unrestrictedTraverse(currency_url)
-            exchange_ratio = currency.getPrice(
-              context=input_movement.asContext(
-                categories=('price_currency/' + currency_url,
-                            'resource/' + resource)))
-            if exchange_ratio is not None:
-              kw[arrow + '_total_asset_price'] = round(
-                exchange_ratio * input_movement.getQuantity(),
-                currency.getQuantityPrecision())
+  def getGeneratedMovementList(self, movement_list=None, rounding=False):
+    movement_list = super(InvoiceTransactionRuleMovementGenerator, self).getGeneratedMovementList(movement_list=movement_list, rounding=rounding)
+    portal = self._applied_rule.getPortalObject()
+    for arrow in 'destination', 'source':
+      for movement in movement_list:
+        resource = movement.getResource()
+        if resource is not None:
+          section = movement.getDefaultAcquiredValue(arrow + '_section')
+          if section is not None:
+            try:
+              currency_url = section.getPriceCurrency()
+            except AttributeError:
+              currency_url = None
+            if currency_url not in (None, resource):
+              currency = portal.unrestrictedTraverse(currency_url)
+              exchange_ratio = currency.getPrice(
+                context=movement.asContext(
+                  categories=('price_currency/' + currency_url,
+                              'resource/' + resource)))
+              if exchange_ratio is not None:
+                if arrow == 'destination':
+                  sign = 1
+                else:
+                  sign = -1
+                movement.setProperty(arrow + '_total_asset_price', movement.getQuantity() * exchange_ratio * sign)
 
-    return kw
+    return movement_list
 
   def _getInputMovementList(self, movement_list=None, rounding=False):
     simulation_movement = self._applied_rule.getParentValue()