update for location layer delete

rog/models.py

@@ -452,6 +452,10 @@ class ShapeLayers(models.Model):
     def __str__(self):
         return self.name
 
+class ShapeFileLocations(models.Model):
+    shapefile=models.CharField(_('Shapelayer'), max_length=2048 ,blank=True, null=True)
+    locid=models.IntegerField(blank=True, null=True)
+
 
 def remove_bom_inplace(path):
     """Removes BOM mark, if it exists, from a file and rewrites it in-place"""
@@ -499,6 +503,17 @@ def my_callback(sender, instance, *args, **kwargs):
 def deletePrevious(mdl, fields):
     with transaction.atomic():
         mdl.objects.filter(location_id = int(fields[0])).delete();
+
+
+@receiver(post_delete,sender=ShapeLayers)
+def deleteShapelocation(sender,instance,*args,**kwargs):
+    locids = ShapeFileLocations.objects.filter(shapefile=instance.name).values_list('locid')
+    print("------- name----")
+    print(locids)
+    print("------- name----")
+    Location.objects.filter(location_id__in=locids).delete()
+    ShapeFileLocations.objects.filter(shapefile=instance.name).delete()
+
     
 
 @receiver(post_save, sender=ShapeLayers)
@@ -549,6 +564,7 @@ def publish_data(sender, instance, created, **kwargs):
                 print(fields[0])
                 print("@@@@@@@@@@@@")
                 if instance.layerof == 1:
+                    insertShapeLayerLocation(instance.name, fields)
                     updateLocation(mdl, fields)
                 if instance.layerof == 2:
                     updateLineTable(mdl, fields)
@@ -559,6 +575,12 @@ def publish_data(sender, instance, created, **kwargs):
         print('##################',e)
 
 
+def insertShapeLayerLocation(name, fields):
+   sll = ShapeFileLocations(shapefile=name, locid=fields[0])
+   sll.save();
+    
+
+
 def updateLocation(mdl, fields):
     print(f"Updating {fields[0]} - {fields[1]}")
     print(mdl.objects.filter(location_id = int(fields[0])))