builder: add security stock management

use  "stock definition supply" which overwrite default parameter in
purchase supply for the date included in "valid from" et "valid until"
if the value is not defined in "stock defintion supply", the default
parameter is used

product/ERP5/mixin/builder.py

@@ -293,37 +293,31 @@ class BuilderMixin(XMLObject, Amount, Predicate):
     portal = self.getPortalObject()
     if from_date is None:
       from_date = DateTime().earliestTime()
-
-    # Initiate Conditions taken from Yusei T. Original Script
-    # XXX to be cleaned
-    min_inventory = supply.getMinStock()
+    #resource related variable
     resource_value = supply.getResourceValue()
     default_quantity_unit_value = resource_value.getDefaultQuantityUnitValue()
-    order_quantity_unit_value = supply.getOrderQuantityUnitValue()
-    flow_quantity_unit_value = supply.getFlowQuantityUnitValue()
-    time_quantity_unit_value = supply.getTimeQuantityUnitValue()
     time_second_ratio = resource_value.getQuantityUnitDefinitionRatio(portal.portal_categories.quantity_unit.time.second)
-    min_delay = supply.getMinDelay()
-    max_delay = supply.getMaxDelay()
-    min_order_delay = supply.getMinOrderDelay()
-    max_order_delay = supply.getMaxOrderDelay()
-    min_order = supply.getMinOrderQuantity()
-    max_order = supply.getMaxOrderQuantity()
+    default_quantity_unit_relative_url = default_quantity_unit_value.getCategoryRelativeUrl()
 
-    # Initiate conversions
-    # XXX To be cleaned
+    def getCorrectSupplyParameter(selected_supply, default_supply, method_id):
+      if selected_supply == default_supply:
+        return getattr(default_supply, method_id)()
+      selected_supply_method = getattr(selected_supply, method_id)
+      default_supply_method = getattr(default_supply, method_id)
+      return selected_supply_method() or default_supply_method()
+
+    def getMinMaxDelayAndOrderDelay(selected_supply, default_supply):
+      time_quantity_unit_value = getCorrectSupplyParameter(selected_supply, default_supply, 'getTimeQuantityUnitValue')
       min_delay_second = 0
       max_delay_second = 0
       min_order_delay_second = 0
       max_order_delay_second = 0
-
-    min_order_in_default_quantity_unit = 0
-    max_order_in_default_quantity_unit = float('inf')
-    default_quantity_unit_relative_url = default_quantity_unit_value.getCategoryRelativeUrl()
-
       if time_quantity_unit_value is not None:
+        min_delay = getCorrectSupplyParameter(selected_supply, default_supply, 'getMinDelay')
+        max_delay = getCorrectSupplyParameter(selected_supply, default_supply, 'getMaxDelay')
+        min_order_delay = getCorrectSupplyParameter(selected_supply, default_supply, 'getMinOrderDelay')
+        max_order_delay =  getCorrectSupplyParameter(selected_supply, default_supply, 'getMaxOrderDelay')
         time_second_conversion_ratio = resource_value.getQuantityUnitDefinitionRatio(time_quantity_unit_value) / time_second_ratio
-
         if min_delay:
           min_delay_second = min_delay * time_second_conversion_ratio
         if max_delay:
@@ -332,23 +326,40 @@ class BuilderMixin(XMLObject, Amount, Predicate):
           min_order_delay_second = min_order_delay * time_second_conversion_ratio
         if max_delay:
           max_order_delay_second = max_order_delay * time_second_conversion_ratio
+      return min_delay_second, max_delay_second, min_order_delay_second, max_order_delay_second
+    min_delay_second, max_delay_second, min_order_delay_second, max_order_delay_second = getMinMaxDelayAndOrderDelay(supply, supply)
 
+    def getOrderQuantityUnitDefaultQuantityUnitConversionRatio(selected_supply, default_supply):
+      order_quantity_unit_value =  getCorrectSupplyParameter(selected_supply, default_supply, 'getOrderQuantityUnitValue')
+      order_quantity_unit_default_quantity_unit_conversion_ratio = 1
+      #min_order_in_default_quantity_unit = 0
+      #max_order_in_default_quantity_unit = float('inf')
       if order_quantity_unit_value is not None:
         order_quantity_unit_relative_url = order_quantity_unit_value.getCategoryRelativeUrl()
         order_quantity_unit_default_quantity_unit_conversion_ratio = resource_value.convertQuantity(1, order_quantity_unit_relative_url, default_quantity_unit_relative_url)
+        """
+        those are not used yet
+        min_order = supply.getMinOrderQuantity()
+        max_order = supply.getMaxOrderQuantity()
         if min_order:
           min_order_in_default_quantity_unit = min_order * order_quantity_unit_default_quantity_unit_conversion_ratio
         if max_order:
           max_order_in_default_quantity_unit = max_order * order_quantity_unit_default_quantity_unit_conversion_ratio
-    else:
-      order_quantity_unit_default_quantity_unit_conversion_ratio = 1
+        """
+      return order_quantity_unit_default_quantity_unit_conversion_ratio
+    order_quantity_unit_default_quantity_unit_conversion_ratio = getOrderQuantityUnitDefaultQuantityUnitConversionRatio(supply, supply)
 
+    def getDefaultQuantityUnitFlowQuantityUnitConversionRatio(selected_supply, default_supply):
+      flow_quantity_unit_value = getCorrectSupplyParameter(selected_supply, default_supply, 'getFlowQuantityUnitValue')
+      default_quantity_unit_flow_quantity_unit_conversion_ratio = 1
       if flow_quantity_unit_value is not None:
         flow_quantity_unit_relative_url = flow_quantity_unit_value.getCategoryRelativeUrl()
         flow_quantity_unit_default_quantity_unit_conversion_ratio = resource_value.convertQuantity(1, flow_quantity_unit_relative_url, default_quantity_unit_relative_url)
         default_quantity_unit_flow_quantity_unit_conversion_ratio = 1 / flow_quantity_unit_default_quantity_unit_conversion_ratio
-    else:
-      default_quantity_unit_flow_quantity_unit_conversion_ratio = 1
+      return default_quantity_unit_flow_quantity_unit_conversion_ratio
+
+    default_quantity_unit_flow_quantity_unit_conversion_ratio = getDefaultQuantityUnitFlowQuantityUnitConversionRatio(supply, supply)
+
 
     def getPreviousValidDate(date):
       # We suppose the system has not been configured to handled per hour commands
@@ -359,23 +370,29 @@ class BuilderMixin(XMLObject, Amount, Predicate):
         factor=-1)).earliestTime()
 
     # Function to define the minimal quantity to be ordered
-    def minimalQuantity(quantity, date):
+    def minimalQuantity(selected_supply,default_supply, quantity, date):
       # Initiate variables to match original script from Yusei T.
       # XXX To be cleaned
-
-      delay_second = max_delay_second or min_delay_second or 0
+      if selected_supply != default_supply:
+        local_min_delay_second, local_max_delay_second, local_min_order_delay_second, local_max_order_delay_second = getMinMaxDelayAndOrderDelay(selected_supply, default_supply)
+        local_order_quantity_unit_default_quantity_unit_conversion_ratio = getOrderQuantityUnitDefaultQuantityUnitConversionRatio(selected_supply, default_supply)
+        local_order_quantity_unit_value = getCorrectSupplyParameter(selected_supply, default_supply, 'getOrderQuantityUnitValue')
+      else:
+        local_min_delay_second, local_max_delay_second, local_min_order_delay_second, local_max_order_delay_second = min_delay_second, max_delay_second, min_order_delay_second, max_order_delay_second
+        local_order_quantity_unit_default_quantity_unit_conversion_ratio = order_quantity_unit_default_quantity_unit_conversion_ratio
+        local_order_quantity_unit_value = original_order_quantity_unit_value
+      delay_second = local_max_delay_second or local_min_delay_second or 0
       limit_date = getPreviousValidDate(date)
       start_date = getPreviousValidDate(
         addToDate(limit_date, second=-delay_second)
       )
+
       stop_date = addToDate(start_date, second=delay_second).earliestTime()
-      order_delay_second = max_order_delay_second or min_order_delay_second or 0
+      order_delay_second = local_max_order_delay_second or local_min_order_delay_second or 0
       effective_date = addToDate(start_date, second=-order_delay_second)
-
-      order_quantity = ceil(quantity / order_quantity_unit_default_quantity_unit_conversion_ratio)
-      quantity = order_quantity * order_quantity_unit_default_quantity_unit_conversion_ratio
-
-      return order_quantity, order_quantity_unit_value, effective_date, start_date, stop_date, quantity
+      order_quantity = ceil(quantity / local_order_quantity_unit_default_quantity_unit_conversion_ratio)
+      quantity = order_quantity * local_order_quantity_unit_default_quantity_unit_conversion_ratio
+      return order_quantity, local_order_quantity_unit_value, effective_date, start_date, stop_date, quantity
 
     resource_portal_type = resource_value.getPortalType()
     def newMovement(effective_date, start_date, stop_date, quantity, quantity_unit):
@@ -475,17 +492,42 @@ class BuilderMixin(XMLObject, Amount, Predicate):
       node_uid=supply.getDestinationUid()
     ) + history_list
 
-    min_stock_value = supply.getMinOrderQuantity() / default_quantity_unit_flow_quantity_unit_conversion_ratio
-    factor = supply.getMinFlow()
     next_period_history_list = []
-    #self.log(limit_date_list)
+
+    def chooseCorrectSupply(default_supply,start_date_range_min,start_date_range_max):
+      search_dict = {
+        'predicate.start_date_range_min':{'query':start_date_range_min, 'range':'ngt'},
+        'predicate.start_date_range_max':{'query':start_date_range_max, 'range':'nlt'},
+      }
+      stock_definition_supply_list = portal.portal_catalog(
+        portal_type=('Purchase Supply Cell', 'Purchase Supply Line'),
+        strict_resource_uid=resource_value.getUid(),
+        default_ledger_uid=portal.portal_categories.ledger.stock.definition.getUid(),
+        validation_state='validated',
+        **search_dict
+      )
+      if len(stock_definition_supply_list):
+        return stock_definition_supply_list[0]
+      return default_supply
+
+    original_min_stock_value = supply.getMinOrderQuantity() / default_quantity_unit_flow_quantity_unit_conversion_ratio
+    original_factor = supply.getMinFlow()
+    original_order_quantity_unit_value = supply.getOrderQuantityUnitValue()
     # Create a movement per period
     for period_start_date in limit_date_list:
-
       # Prepare history list of the current period
       next_period_start_date = DateTime(supply.getNextPeriodicalDate(
         period_start_date,
         next_start_date=period_start_date)).earliestTime()
+
+      selected_supply = chooseCorrectSupply(default_supply = supply, start_date_range_min = period_start_date, start_date_range_max = next_period_start_date)
+      #we found a stock definition supply
+      if selected_supply != supply:
+        min_stock_value = getCorrectSupplyParameter(selected_supply, supply, 'getMinOrderQuantity') / getDefaultQuantityUnitFlowQuantityUnitConversionRatio(selected_supply, supply)
+        factor = getCorrectSupplyParameter(selected_supply, supply, 'getMinFlow')
+      else:
+        min_stock_value = original_min_stock_value
+        factor = original_factor
       period_history_list = []
 
       if next_period_history_list and\
@@ -537,7 +579,7 @@ class BuilderMixin(XMLObject, Amount, Predicate):
       if (week_consumption!= 0 or factor) and future_inventory_to_date < min_inventory:
          quantity = min_inventory - future_inventory_to_date
 
-      ordered_quantity, ordered_unit, effective_date, start_date, delivery_date, quantity = minimalQuantity(quantity, period_start_date)
+      ordered_quantity, ordered_unit, effective_date, start_date, delivery_date, quantity = minimalQuantity(selected_supply, supply, quantity, period_start_date)
       # XXX CLN This is very naive, it has to be optimized
       if start_date > supply.getStartDateRangeMax():
         break