server/AyaNova/biz/ApiErrorCode.cs

@@ -19,6 +19,7 @@ namespace AyaNova.Biz
         NOT_FOUND = 2010,
         PUT_ID_MISMATCH = 2020,
         INVALID_OPERATION = 2030,
+        INSUFFICIENT_INVENTORY = 2040,
         VALIDATION_FAILED = 2200,
         VALIDATION_REQUIRED = 2201,
         VALIDATION_LENGTH_EXCEEDED = 2202,

server/AyaNova/biz/PartInventoryBiz.cs

@@ -4,12 +4,9 @@ using Microsoft.EntityFrameworkCore;
 using System.Linq;
 using AyaNova.Util;
 using AyaNova.Api.ControllerHelpers;
-using Microsoft.Extensions.Logging;
 using AyaNova.Models;
 using Newtonsoft.Json.Linq;
 using System.Collections.Generic;
-using Newtonsoft.Json;
-using Microsoft.EntityFrameworkCore.Storage;
 
 namespace AyaNova.Biz
 {
@@ -237,14 +234,18 @@ namespace AyaNova.Biz
                 return;
             }
 
-              //Balance must not be negative
-            if (proposedObj.Balance < 0 )
+            //Balance must not be negative
+            //return the current balance
+            if (proposedObj.Balance < 0)
             {
-                AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Balance", "Transaction would result in a negative balance (not enough inventory to process this transaction)");
+                string currentBalance = "0";
+                if (proposedObj.LastBalance != null)
+                    currentBalance = proposedObj.LastBalance.ToString();
+                AddError(ApiErrorCode.INSUFFICIENT_INVENTORY, "Balance", $"available:{currentBalance}");
                 return;
             }
 
-          
+
             //date is newer than last entry date?
             if (proposedObj.LastEntryDate != null && proposedObj.LastEntryDate > proposedObj.EntryDate)
             {

server/AyaNova/resource/de.json

@@ -1727,6 +1727,7 @@
   "ErrorAPI2010": "Objekt nicht gefunden",
   "ErrorAPI2020": "Die Routen-ID stimmt nicht mit der Objectid überein",
   "ErrorAPI2030": "Ungültiger Vorgang",
+  "ErrorAPI2040": "Nicht genügend Inventar",
   "ErrorAPI2200": "Validierungsfehler",
   "ErrorAPI2201": "Fehlendes Pflichtfeld",
   "ErrorAPI2202": "Maximale Länge überschritten",

server/AyaNova/resource/en.json

@@ -1727,6 +1727,7 @@
   "ErrorAPI2010": "Object not found",
   "ErrorAPI2020": "Route id doesn't match object id",
   "ErrorAPI2030": "Invalid operation",
+  "ErrorAPI2040": "Not enough inventory",
   "ErrorAPI2200": "Validation error",
   "ErrorAPI2201": "Required field",
   "ErrorAPI2202": "Length exceeded",

server/AyaNova/resource/es.json

@@ -1727,6 +1727,7 @@
   "ErrorAPI2010": "Objeto no encontrado",
   "ErrorAPI2020": "La ID de ruta no coincide con la ID de objeto",
   "ErrorAPI2030": "Operación no válida",
+  "ErrorAPI2040": "No hay suficiente inventario",
   "ErrorAPI2200": "Error de validación",
   "ErrorAPI2201": "Campo requerido",
   "ErrorAPI2202": "Longitud excedida",

server/AyaNova/resource/fr.json

@@ -1727,6 +1727,7 @@
   "ErrorAPI2010": "Objet introuvable",
   "ErrorAPI2020": "L'ID de route ne correspond pas à l'ID d'objet",
   "ErrorAPI2030": "Opération non valide",
+  "ErrorAPI2040": "Pas assez d'inventaire",
   "ErrorAPI2200": "Erreur de validation",
   "ErrorAPI2201": "Champ obligatoire",
   "ErrorAPI2202": "Longueur maximale dépassée",