test(analytics): cover net category semantics

backend/src/services/analytics.ts

@@ -1,4 +1,5 @@
 import { pool } from '../db/pool';
+import { effectiveAmountCase } from './analyticsSemantics';
 import type {
   AnalyticsSummaryResponse,
   TopCategory,
@@ -14,14 +15,7 @@ interface BaseParams {
   onlyConfirmed?: boolean;
 }
 
-const effectiveAmount = `
-  CASE
-    WHEN t.amount_signed = 0 AND t.commission > 0
-      AND t.description ILIKE '%зачисление%'
-      THEN t.commission
-    WHEN t.amount_signed < 0 THEN t.amount_signed - t.commission
-    ELSE t.amount_signed + t.commission
-  END`;
+const effectiveAmount = effectiveAmountCase('t');
 
 function analyticsTransactions(where: string): string {
   return `