Fix: Credit Offset Exclude Reserved (#2876)

* fix: updated org service calculation for max credit offset to account for credit earning order over time

* fix: pending deductions calc change

* fix: None check on summary obj

* fix: added back exclude reserved

---------

Co-authored-by: Your Name <you@example.com>

backend/api/serializers/ComplianceReport.py

@@ -592,6 +592,18 @@ def get_max_credit_offset(self, obj):
 
         return max_credit_offset
 
+    def get_max_credit_offset_exclude_reserved(self, obj):
+        max_credit_offset_exclude_reserved = OrganizationService.get_max_credit_offset(
+            obj.organization,
+            obj.compliance_period.description,
+            exclude_reserved=True
+        )
+
+        if max_credit_offset_exclude_reserved < 0:
+            max_credit_offset_exclude_reserved = 0
+
+        return max_credit_offset_exclude_reserved
+
     def get_summary(self, obj):
         """
         Retrieve a summary that merges synthetic totals with existing summary data.
@@ -1255,6 +1267,18 @@ def get_max_credit_offset(self, obj):
 
         return max_credit_offset
 
+    def get_max_credit_offset_exclude_reserved(self, obj):
+        max_credit_offset_exclude_reserved = OrganizationService.get_max_credit_offset(
+            obj.organization,
+            obj.compliance_period.description,
+            exclude_reserved=True
+        )
+
+        if max_credit_offset_exclude_reserved < 0:
+            max_credit_offset_exclude_reserved = 0
+
+        return max_credit_offset_exclude_reserved
+
     def get_history(self, obj):
         """
         Returns all the previous status changes for the compliance report