trade: display a summary of the product quantity on a packing list

Summary of total product quantity by product line.

bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Delivery_getODTDataDict.xml

@@ -146,6 +146,7 @@ def getTaxLineList(order):\n
   return tax_line_list\n
 \n
 line_base_contribution_list = []\n
+quantity_unit_detail_dict = {}\n
 number = 0\n
 tax_free_line_totalprice = 0\n
 line_list = []\n
@@ -225,6 +226,30 @@ for line in getSubLineList(context):\n
             tax_number=tax_number+\',\'+str(line_base_contribution_list.index(contribution)+1)\n
     else:\n
       tax_name=line.getBaseApplication()\n
+\n
+    # Keep a mapping quantity_unit -> total quantity, to display total of products at the bottom.\n
+    # We keep the numeral value as `_total_quantity` and a method to convert this quantity\n
+    # to string for display using precision of the resource.\n
+    quantity_unit = line.getQuantityUnitTranslatedTitle() or (\n
+        line.getResource() and line.getResourceValue().getQuantityUnitTranslatedTitle()) or \'\'\n
+\n
+    if quantity_unit:\n
+      # We only consider "physical" resources.\n
+      if line.getResourceValue().getPortalType() in (\'Product\', \'Component\'):\n
+        if quantity_unit in quantity_unit_detail_dict:\n
+          quantity_unit_detail = quantity_unit_detail_dict[quantity_unit]\n
+          quantity_unit_detail[\'_total_quantity\'] = quantity_unit_detail[\'_total_quantity\'] + line.getTotalQuantity()\n
+        else:\n
+          quantity_unit_detail = quantity_unit_detail_dict[quantity_unit] = {\n
+            "title": translateString("Total ${quantity_unit}", mapping={"quantity_unit": quantity_unit}),\n
+            "_total_quantity": line.getTotalQuantity(),\n
+            # We assume all resources for the same quantity unit have the same quantity precision.\n
+            # This is completly wrong, but should allow not to show decimal part for resources that are managed as "units"\n
+            "total_quantity_display_method": lambda qty: (\'%%.%df\' % line.getQuantityPrecisionFromResource(line.getResource())) % qty,\n
+          }\n
+        quantity_unit_detail["total_quantity"] = quantity_unit_detail["total_quantity_display_method"](\n
+          quantity_unit_detail["_total_quantity"])\n
+\n
     line_dict = {\n
       \'style_name\': \'Table_20_Contents\',\n
       \'left_style_name\': \'Table_20_Contents_20_Left\',\n

bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/PackingList_viewAsODT.xml

@@ -533,6 +533,44 @@ AAA=</string> </value>
                   <text:p text:style-name=\'Table_20_Contents\'/>\n
                 </table:table-cell>\n
               </table:table-row>\n
+\n
+              <table:table-row table:style-name=\'Tableau3.2\'>\n
+                <table:table-cell table:style-name=\'Tableau3.A2\' office:value-type=\'string\'>\n
+                  <text:p text:style-name=\'Table_20_Contents\'/>\n
+                </table:table-cell>\n
+                <table:table-cell table:style-name=\'Tableau3.A2\' office:value-type=\'string\'>\n
+                  <text:p text:style-name=\'Table_20_Contents\'/>\n
+                </table:table-cell>\n
+                <table:table-cell table:style-name=\'Tableau3.A1\' office:value-type=\'string\'>\n
+                  <text:p text:style-name=\'Table_20_Contents\'/>\n
+                </table:table-cell>\n
+                <tal:block tal:condition="data_dict/quantity_unit_detail_list | nothing">\n
+                  <table:table-cell table:number-columns-spanned="2" table:style-name=\'Tableau1.A2\' office:value-type=\'string\'>\n
+                    <text:p text:style-name=\'Item_20_Table_20_Title_20_Left\' i18n:translate="">Total Quantity of Products</text:p>\n
+                  </table:table-cell>\n
+                  <table:covered-table-cell/>\n
+                </tal:block>\n
+              </table:table-row>\n
+              <table:table-row table:style-name=\'Tableau3.2\' tal:repeat="quantity_unit_detail data_dict/quantity_unit_detail_list | python: []">\n
+                <table:table-cell table:style-name=\'Tableau3.A2\' office:value-type=\'string\'>\n
+                  <text:p text:style-name=\'Table_20_Contents\'/>\n
+                </table:table-cell>\n
+                <table:table-cell table:style-name=\'Tableau3.A2\' office:value-type=\'string\'>\n
+                  <text:p text:style-name=\'Table_20_Contents\'/>\n
+                </table:table-cell>\n
+                <table:table-cell table:style-name=\'Tableau3.A1\' office:value-type=\'string\'>\n
+                  <text:p text:style-name=\'Table_20_Contents\'/>\n
+                </table:table-cell>\n
+                <table:table-cell table:style-name=\'Tableau3.D2\' office:value-type=\'string\'>\n
+                  <text:p text:style-name=\'Table_20_Heading\'><span tal:replace=\'quantity_unit_detail/title\'/>:</text:p>\n
+                </table:table-cell>\n
+                <table:table-cell table:style-name=\'Tableau3.E2\'\n
+                                  office:value-type=\'float\'\n
+                                  tal:attributes=\'office:value quantity_unit_detail/total_quantity\'>\n
+                  <text:p text:style-name=\'Table_20_Contents_20_Right\' tal:content=\'quantity_unit_detail/total_quantity\'>800.000,00</text:p>\n
+                </table:table-cell>\n
+              </table:table-row>\n
+\n
               <table:table-row table:style-name=\'Tableau3.3\'>\n
                 <table:table-cell table:style-name=\'Tableau3.A2\' office:value-type=\'string\'>\n
                   <text:p text:style-name=\'Table_20_Contents\'/>\n