Merge pull request #1957 from matmair/bpm-purchase-price

BOM - show purchase price

InvenTree/part/models.py

@@ -35,6 +35,8 @@ from stdimage.models import StdImageField
 from decimal import Decimal, InvalidOperation
 from datetime import datetime
 import hashlib
+from djmoney.contrib.exchange.models import convert_money
+from common.settings import currency_code_default
 
 from InvenTree import helpers
 from InvenTree import validators
@@ -1514,7 +1516,7 @@ class Part(MPTTModel):
 
         return (min_price, max_price)
 
-    def get_bom_price_range(self, quantity=1, internal=False):
+    def get_bom_price_range(self, quantity=1, internal=False, purchase=False):
         """ Return the price range of the BOM for this part.
         Adds the minimum price for all components in the BOM.
 
@@ -1531,7 +1533,7 @@ class Part(MPTTModel):
                 print("Warning: Item contains itself in BOM")
                 continue
 
-            prices = item.sub_part.get_price_range(quantity * item.quantity, internal=internal)
+            prices = item.sub_part.get_price_range(quantity * item.quantity, internal=internal, purchase=purchase)
 
             if prices is None:
                 continue
@@ -1555,16 +1557,17 @@ class Part(MPTTModel):
 
         return (min_price, max_price)
 
-    def get_price_range(self, quantity=1, buy=True, bom=True, internal=False):
+    def get_price_range(self, quantity=1, buy=True, bom=True, internal=False, purchase=False):
 
         """ Return the price range for this part. This price can be either:
 
         - Supplier price (if purchased from suppliers)
         - BOM price (if built from other parts)
         - Internal price (if set for the part)
+        - Purchase price (if set for the part)
 
         Returns:
-            Minimum of the supplier, BOM or internal price. If no pricing available, returns None
+            Minimum of the supplier, BOM, internal or purchase price. If no pricing available, returns None
         """
 
         # only get internal price if set and should be used
@@ -1572,6 +1575,12 @@ class Part(MPTTModel):
             internal_price = self.get_internal_price(quantity)
             return internal_price, internal_price
 
+        # only get purchase price if set and should be used
+        if purchase:
+            purchase_price = self.get_purchase_price(quantity)
+            if purchase_price:
+                return purchase_price
+
         buy_price_range = self.get_supplier_price_range(quantity) if buy else None
         bom_price_range = self.get_bom_price_range(quantity, internal=internal) if bom else None
 
@@ -1641,6 +1650,13 @@ class Part(MPTTModel):
     def internal_unit_pricing(self):
         return self.get_internal_price(1)
 
+    def get_purchase_price(self, quantity):
+        currency = currency_code_default()
+        prices = [convert_money(item.purchase_price, currency).amount for item in self.stock_items.all() if item.purchase_price]
+        if prices:
+            return min(prices) * quantity, max(prices) * quantity
+        return None
+
     @transaction.atomic
     def copy_bom_from(self, other, clear=True, **kwargs):
         """

InvenTree/part/templates/part/part_pricing.html

@@ -60,6 +60,21 @@
         <td>Max: {% include "price.html" with price=max_total_bom_price %}</td>
     </tr>
     {% endif %}
+    {% if min_total_bom_purchase_price %}
+    <tr>
+        <td><b>{% trans 'Unit Purchase Price' %}</b></td>
+        <td>Min: {% include "price.html" with price=min_unit_bom_purchase_price %}</td>
+        <td>Max: {% include "price.html" with price=max_unit_bom_purchase_price %}</td>
+    </tr>
+    {% if quantity > 1 %}
+    <tr>
+        <td><b>{% trans 'Total Purchase Price' %}</b></td>
+        <td>Min: {% include "price.html" with price=min_total_bom_purchase_price %}</td>
+        <td>Max: {% include "price.html" with price=max_total_bom_purchase_price %}</td>
+    </tr>
+    {% endif %}
+    {% endif %}
+
     {% if part.has_complete_bom_pricing == False %}
     <tr>
         <td colspan='3'>

InvenTree/part/templates/part/prices.html

@@ -61,6 +61,25 @@
                             <td>Max: {% include "price.html" with price=max_total_bom_price %}</td>
                         </tr>
                     {% endif %}
+
+
+                    {% if min_total_bom_purchase_price %}
+                    <tr>
+                        <td></td>
+                        <td>{% trans 'Unit Purchase Price' %}</td>
+                        <td>Min: {% include "price.html" with price=min_unit_bom_purchase_price %}</td>
+                        <td>Max: {% include "price.html" with price=max_unit_bom_purchase_price %}</td>
+                    </tr>
+                    {% if quantity > 1 %}
+                    <tr>
+                        <td></td>
+                        <td>{% trans 'Total Purchase Price' %}</td>
+                        <td>Min: {% include "price.html" with price=min_total_bom_purchase_price %}</td>
+                        <td>Max: {% include "price.html" with price=max_total_bom_purchase_price %}</td>
+                    </tr>
+                    {% endif %}
+                    {% endif %}
+
                     {% if part.has_complete_bom_pricing == False %}
                         <tr>
                             <td colspan='4'>

InvenTree/part/views.py

@@ -1351,6 +1351,7 @@ class PartPricing(AjaxView):
 
             use_internal = InvenTreeSetting.get_setting('PART_BOM_USE_INTERNAL_PRICE', False)
             bom_price = part.get_bom_price_range(quantity, internal=use_internal)
+            purchase_price = part.get_bom_price_range(quantity, purchase=True)
 
             if bom_price is not None:
                 min_bom_price, max_bom_price = bom_price
@@ -1358,19 +1359,26 @@ class PartPricing(AjaxView):
                 min_bom_price /= scaler
                 max_bom_price /= scaler
 
-                min_unit_bom_price = round(min_bom_price / quantity, 3)
-                max_unit_bom_price = round(max_bom_price / quantity, 3)
-
-                min_bom_price = round(min_bom_price, 3)
-                max_bom_price = round(max_bom_price, 3)
-
                 if min_bom_price:
-                    ctx['min_total_bom_price'] = min_bom_price
+                    ctx['min_total_bom_price'] = round(min_bom_price, 3)
-                    ctx['min_unit_bom_price'] = min_unit_bom_price
+                    ctx['min_unit_bom_price'] = round(min_bom_price / quantity, 3)
 
                 if max_bom_price:
-                    ctx['max_total_bom_price'] = max_bom_price
+                    ctx['max_total_bom_price'] = round(max_bom_price, 3)
-                    ctx['max_unit_bom_price'] = max_unit_bom_price
+                    ctx['max_unit_bom_price'] = round(max_bom_price / quantity, 3)
+
+            if purchase_price is not None:
+                min_bom_purchase_price, max_bom_purchase_price = purchase_price
+
+                min_bom_purchase_price /= scaler
+                max_bom_purchase_price /= scaler
+                if min_bom_purchase_price:
+                    ctx['min_total_bom_purchase_price'] = round(min_bom_purchase_price, 3)
+                    ctx['min_unit_bom_purchase_price'] = round(min_bom_purchase_price / quantity, 3)
+
+                if max_bom_purchase_price:
+                    ctx['max_total_bom_purchase_price'] = round(max_bom_purchase_price, 3)
+                    ctx['max_unit_bom_purchase_price'] = round(max_bom_purchase_price / quantity, 3)
 
         # internal part pricing information
         internal_part_price = part.get_internal_price(quantity)