From f0b19e69b8dcddcec57fadde64fe4709749097d7 Mon Sep 17 00:00:00 2001
From: Matthias <matthias.mair@oewf.org>
Date: Sun, 6 Mar 2022 23:21:33 +0100
Subject: [PATCH] add total price woth js reload

---
 InvenTree/order/models.py                     | 18 +++++++++++++++++
 InvenTree/order/serializers.py                |  3 +++
 .../templates/order/sales_order_base.html     |  6 ++++++
 .../templates/order/sales_order_detail.html   |  7 +++++++
 InvenTree/templates/js/translated/order.js    | 20 +++++++++++++++++++
 5 files changed, 54 insertions(+)

diff --git a/InvenTree/order/models.py b/InvenTree/order/models.py
index 2a975a432c..f7382feb84 100644
--- a/InvenTree/order/models.py
+++ b/InvenTree/order/models.py
@@ -23,6 +23,7 @@ from markdownx.models import MarkdownxField
 from mptt.models import TreeForeignKey
 
 from djmoney.contrib.exchange.models import convert_money
+from djmoney.money import Money
 from common.settings import currency_code_default
 
 from users import models as UserModels
@@ -600,6 +601,23 @@ class SalesOrder(Order):
         verbose_name=_('shipped by')
     )
 
+    def get_total_price(self):
+        """
+        Calculates the total price of all order lines
+        """
+        target_currency = currency_code_default()
+        total = Money(0, target_currency)
+
+        # order items
+        total += sum([a.quantity * convert_money(a.sale_price, target_currency) for a in self.lines.all() if a.sale_price])
+
+        # additional lines
+        total += sum([a.quantity * convert_money(a.sale_price, target_currency) for a in self.additional_lines.all() if a.sale_price])
+
+        # set decimal-places
+        total.decimal_places = 4
+        return total
+
     @property
     def is_overdue(self):
         """
diff --git a/InvenTree/order/serializers.py b/InvenTree/order/serializers.py
index 529897d942..7398d37055 100644
--- a/InvenTree/order/serializers.py
+++ b/InvenTree/order/serializers.py
@@ -515,6 +515,8 @@ class SalesOrderSerializer(ReferenceIndexingSerializerMixin, InvenTreeModelSeria
 
     reference = serializers.CharField(required=True)
 
+    total_price_string = serializers.CharField(source='get_total_price', read_only=True)
+
     class Meta:
         model = order.models.SalesOrder
 
@@ -535,6 +537,7 @@ class SalesOrderSerializer(ReferenceIndexingSerializerMixin, InvenTreeModelSeria
             'status_text',
             'shipment_date',
             'target_date',
+            'total_price_string',
         ]
 
         read_only_fields = [
diff --git a/InvenTree/order/templates/order/sales_order_base.html b/InvenTree/order/templates/order/sales_order_base.html
index 423090f917..9abd058996 100644
--- a/InvenTree/order/templates/order/sales_order_base.html
+++ b/InvenTree/order/templates/order/sales_order_base.html
@@ -183,6 +183,12 @@ src="{% static 'img/blank_image.png' %}"
         <td>{{ order.responsible }}</td>
     </tr>
     {% endif %}
+
+    <tr>
+        <td><span class='fas fa-dollar-sign'></span></td>
+        <td>{% trans "Total cost" %}</td>
+        <td id="soTotalPrice">{{ order.get_total_price }}</td>
+    </tr>
 </table>
 {% endblock %}
 
diff --git a/InvenTree/order/templates/order/sales_order_detail.html b/InvenTree/order/templates/order/sales_order_detail.html
index cbdcd26d45..ef1f6e61e0 100644
--- a/InvenTree/order/templates/order/sales_order_detail.html
+++ b/InvenTree/order/templates/order/sales_order_detail.html
@@ -292,6 +292,13 @@
         }
     );
 
+    loadOrderTotal(
+        '#soTotalPrice',
+        {
+            url: '{% url "api-so-detail" order.pk %}',
+        }
+    );
+
     enableSidebar('salesorder');
     
 {% endblock %}
\ No newline at end of file
diff --git a/InvenTree/templates/js/translated/order.js b/InvenTree/templates/js/translated/order.js
index 55db893733..e3aaf5f7fc 100644
--- a/InvenTree/templates/js/translated/order.js
+++ b/InvenTree/templates/js/translated/order.js
@@ -2290,6 +2290,24 @@ function showFulfilledSubTable(index, row, element, options) {
     });
 }
 
+var soTotalPriceRef = ''  // safes reference to total price
+var soTotalPriceOptions = {}  // options to reload the price
+
+function loadOrderTotal(reference, options={}) {
+    soTotalPriceRef = reference;
+    soTotalPriceOptions = options;
+}
+
+function reloadTotal(){
+    inventreeGet(
+        soTotalPriceOptions.url,
+        {},
+        {success: function(data){
+                $(soTotalPriceRef).html(data.total_price_string);
+        }}
+    );
+};
+
 
 /**
  * Load a table displaying line items for a particular SalesOrder
@@ -2587,6 +2605,7 @@ function loadSalesOrderLineItemTable(table, options={}) {
 
     function reloadTable() {
         $(table).bootstrapTable('refresh');
+        reloadTotal();
     }
 
     // Configure callback functions once the table is loaded
@@ -2954,6 +2973,7 @@ function loadSalesOrderAdditionalLineItemTable(table, options={}) {
 
     function reloadTable() {
         $(table).bootstrapTable('refresh');
+        reloadTotal();
     }
 
     // Configure callback functions once the table is loaded