rancher quota statistics including livestock allocations & incentive plan assignments

apps/herd/services.py

@@ -1,3 +0,0 @@
-# Your services go here
-
-

apps/herd/services/services.py

@@ -51,23 +51,60 @@ def rancher_quota_weight(rancher, inventory_entry: InventoryEntry):
     }
 
     quota: Quota = inventory_entry.distribution.quota
-    allocations = quota.livestock_allocations.all()
+    allocations = quota.livestock_allocations.all()  # list of quota live stock allocations
 
     livestock_counts = get_rancher_statistics(rancher)
 
     total_weight = 0
-    details = {}
+    alloc_details = {}
+    plan_details = {}
+    result_list = []
 
-    for alloc in allocations:
-        animal_type = alloc.livestock_type.name
-        per_head = alloc.quantity_kg
-        count = livestock_counts.get(live_stock_meta.get(animal_type), 0)
+    # list of quota allocations, get allocations weight on any animal type
+    for alloc in allocations:  # noqa
+        if alloc.livestock_type:
+            animal_type = alloc.livestock_type.name
+            per_head = alloc.quantity_kg
+            count = livestock_counts.get(live_stock_meta.get(animal_type), 0)
 
-        weight = per_head * count
-        details[animal_type] = {"weight": weight, "type": alloc.livestock_type.weight_type}
-        total_weight += weight
+            weight = per_head * count
+            alloc_details[animal_type] = {"weight": weight, "type": alloc.livestock_type.weight_type}
+            total_weight += weight
 
-    return {
-        "total": total_weight,
-        "by_type": details
-    }
+    # list of quota incentive plans, get plans weight on any animal type
+    incentive_plans = quota.incentive_assignments.all()
+    for plan in incentive_plans:  # noqa
+        if plan.livestock_type:
+            animal_type = plan.livestock_type.name
+            per_head = plan.quantity_kg
+            count = livestock_counts.get(live_stock_meta.get(animal_type), 0)
+
+            weight = per_head * count
+            plan_details[animal_type] = {"weight": weight, "type": plan.livestock_type.weight_type}
+            total_weight += weight
+
+    # summation of incentive plans & livestock allocations animal types weight
+    result_details = {"total": total_weight, 'by_type': {}}
+    all_keys = set(alloc_details.keys()) | set(plan_details.keys())  # get all keys from plan & allocations data
+
+    for key in all_keys:
+        alloc_weight = alloc_details.get(key, {}).get("weight", 0)  # total weight of quota livestock allocations data
+        plan_weight = plan_details.get(key, {}).get("weight", 0)  # total weight of quota incentive plan data
+
+        # get animal type (Heavy, Light)
+        animal_type = alloc_details.get(
+            key, {}
+        ).get("type") or plan_details.get(
+            key, {}
+        ).get("type")
+
+        # final result, total weights
+        result_list.append({
+            "name": key,
+            "weight": alloc_weight + plan_weight,
+            "type": animal_type
+        })
+
+    result_details['by_type'] = result_list
+
+    return result_details