Filter StockItem API by staleness

InvenTree/build/models.py

@@ -27,7 +27,7 @@ from InvenTree.helpers import increment, getSetting, normalize
 from InvenTree.validators import validate_build_order_reference
 from InvenTree.models import InvenTreeAttachment
 
-from common.models import InvenTreeSetting
+import common.models
 
 import InvenTree.fields
 
@@ -822,7 +822,7 @@ class Build(MPTTModel):
             )
 
         # Exclude expired stock items
-        if not InvenTreeSetting.get_setting('STOCK_ALLOW_EXPIRED_BUILD'):
+        if not common.models.InvenTreeSetting.get_setting('STOCK_ALLOW_EXPIRED_BUILD'):
             items = items.exclude(StockModels.StockItem.EXPIRED_FILTER)
 
         return items

InvenTree/common/models.py

@@ -174,6 +174,14 @@ class InvenTreeSetting(models.Model):
             'validator': bool,
         },
 
+        'STOCK_STALE_DAYS': {
+            'name': _('Stock Stale Time'),
+            'description': _('Number of days stock items are considered stale before expiring'),
+            'default': 0,
+            'units': _('days'),
+            'validator': [int],
+        },
+
         'STOCK_ALLOW_EXPIRED_BUILD': {
             'name': _('Build Expired Stock'),
             'description': _('Allow building with expired stock'),
@@ -381,8 +389,10 @@ class InvenTreeSetting(models.Model):
                 value = InvenTree.helpers.str2bool(value)
 
             if setting.is_int():
-                # TODO - Coerce to an integer value
-                pass
+                try:
+                    value = int(value)
+                except (ValueError, TypeError):
+                    value = backup_value
 
         else:
             value = backup_value
@@ -472,9 +482,7 @@ class InvenTreeSetting(models.Model):
             
             return
 
-        # Check if a 'type' has been specified for this value
-        if type(validator) == type:
-
+        # Boolean validator
         if validator == bool:
             # Value must "look like" a boolean value
             if InvenTree.helpers.is_bool(self.value):
@@ -485,6 +493,16 @@ class InvenTreeSetting(models.Model):
                     'value': _('Value must be a boolean value')
                 })
 
+        # Integer validator
+        if validator == int:
+            try:
+                # Coerce into an integer value
+                self.value = str(int(self.value))
+            except (ValueError, TypeError):
+                raise ValidationError({
+                    'value': _('Value must be an integer value'),
+                })
+
     def validate_unique(self, exclude=None):
         """ Ensure that the key:value pair is unique.
         In addition to the base validators, this ensures that the 'key'
@@ -528,15 +546,29 @@ class InvenTreeSetting(models.Model):
     def is_int(self):
         """
         Check if the setting is required to be an integer value:
-
-        - int / 'int' = any integer value
-        - 'pos' / 'positive' = any positive integer value (including zero)
-        - 'neg' / 'negative' = any negative integer value (including zero)
         """
 
         validator = InvenTreeSetting.get_setting_validator(self.key)
 
-        return validator in [int, 'int', 'pos', 'positive', 'neg', 'negative']
+        if validator == int:
+            return True
+        
+        if type(validator) in [list, tuple]:
+            for v in validator:
+                if v == int:
+                    return True
+
+    def as_int(self):
+        """
+        Return the value of this setting converted to a boolean value.
+        
+        If an error occurs, return the default value
+        """
+
+        try:
+            value = int()
+        except (ValueError, TypeError):
+            return self.default_value()
 
 
 class PriceBreak(models.Model):

InvenTree/stock/api.py

@@ -23,6 +23,9 @@ from part.serializers import PartBriefSerializer
 from company.models import SupplierPart
 from company.serializers import SupplierPartSerializer
 
+import common.settings
+import common.models
+
 from .serializers import StockItemSerializer
 from .serializers import LocationSerializer, LocationBriefSerializer
 from .serializers import StockTrackingSerializer
@@ -535,6 +538,8 @@ class StockList(generics.ListCreateAPIView):
                 # Exclude items which are instaled in another item
                 queryset = queryset.filter(belongs_to=None)
 
+        if common.settings.stock_expiry_enabled():
+
             # Filter by 'expired' status
             expired = params.get('expired', None)
 
@@ -546,6 +551,25 @@ class StockList(generics.ListCreateAPIView):
                 else:
                     queryset = queryset.exclude(StockItem.EXPIRED_FILTER)
 
+            # Filter by 'stale' status
+            stale = params.get('stale', None)
+
+            if stale is not None:
+                stale = str2bool(stale)
+
+                # How many days to account for "staleness"?
+                stale_days = common.models.InvenTreeSetting.get_setting('STOCK_STALE_DAYS')
+
+                if stale_days > 0:
+                    stale_date = datetime.now().date() + timedelta(days=stale_days)
+                    
+                    stale_filter = StockItem.IN_STOCK_FILTER & ~Q(expiry_date=None) & Q(expiry_date__lt=stale_date)
+
+                    if stale:
+                        queryset = queryset.filter(stale_filter)
+                    else:
+                        queryset = queryset.exclude(stale_filter)
+
         # Filter by customer
         customer = params.get('customer', None)
 

InvenTree/templates/InvenTree/settings/setting.html

@@ -17,7 +17,7 @@
         {% else %}
         {% if setting.value %}
         <i><b>
-            {{ setting.value }}</b>{{ setting.units }}
+            {{ setting.value }}</b> {{ setting.units }}
         </i>
         {% else %}
         <i>{% trans "No value set" %}</i>

InvenTree/templates/InvenTree/settings/stock.html

@@ -16,6 +16,7 @@
     {% include "InvenTree/settings/header.html" %}
     <tbody>
         {% include "InvenTree/settings/setting.html" with key="STOCK_ENABLE_EXPIRY" %}
+        {% include "InvenTree/settings/setting.html" with key="STOCK_STALE_DAYS" %}
         {% include "InvenTree/settings/setting.html" with key="STOCK_ALLOW_EXPIRED_SALE" %}
         {% include "InvenTree/settings/setting.html" with key="STOCK_ALLOW_EXPIRED_BUILD" %}
     </tbody>