returning 'invalid quantity' error instead of 'invalid gst' in case of invalid quantityv0.23.1

2 files changed, 23 insertions, 21 deletions

diff --git a/errors/errors.go b/errors/errors.go
index 3c37e08..1858834 100644
--- a/errors/errors.go
+++ b/errors/errors.go
@@ -1,5 +1,5 @@
 /* openbills - Server for web based Libre Billing Software
- * Copyright (C) 2023-2024  Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ * Copyright (C) 2023-2025  Vidhu Kant Sharma <vidhukant@vidhukant.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -26,25 +26,26 @@ var (
 	ErrEmptyResponse = errors.New("No Records Found")
 
 	// 400
-	ErrNoWhereCondition     = errors.New("No Where Condition")
-	ErrInvalidID            = errors.New("Invalid ID")
-	ErrEmptyContactName     = errors.New("Contact Name Cannot Be Empty")
-	ErrInvalidGSTIN         = errors.New("Invalid GSTIN")
-	ErrInvalidEmail         = errors.New("Invalid E-Mail Address")
-	ErrEmptyEmail           = errors.New("E-Mail Address Cannot Be Empty")
-	ErrInvalidUsername      = errors.New("Invalid Username")
-	ErrEmptyUsername        = errors.New("Username Cannot Be Empty")
-	ErrInvalidPhone         = errors.New("Invalid Phone Number")
-	ErrInvalidWebsite       = errors.New("Invalid Website URL")
-	ErrEmptyBrandName       = errors.New("Brand Name Cannot Be Empty")
-	ErrInvalidUnitPrice     = errors.New("Invalid Unit Price")
-	ErrInvalidGSTPercentage = errors.New("Invalid GST Percentage")
-	ErrPasswordTooShort     = errors.New("Password Is Too Short")
-	ErrPasswordTooLong      = errors.New("Password Is Too Long")
-	ErrUsernameTooShort     = errors.New("Username Is Too Short")
-	ErrUsernameTooLong      = errors.New("Username Is Too Long")
-	ErrInvalidLoginMethod   = errors.New("Login Method Can Only Be 'email' Or 'username'")
-	ErrNoItemVariants       = errors.New("An item should have at least one variant")
+	ErrNoWhereCondition       = errors.New("No Where Condition")
+	ErrInvalidID              = errors.New("Invalid ID")
+	ErrEmptyContactName       = errors.New("Contact Name Cannot Be Empty")
+	ErrInvalidGSTIN           = errors.New("Invalid GSTIN")
+	ErrInvalidEmail           = errors.New("Invalid E-Mail Address")
+	ErrEmptyEmail             = errors.New("E-Mail Address Cannot Be Empty")
+	ErrInvalidUsername        = errors.New("Invalid Username")
+	ErrEmptyUsername          = errors.New("Username Cannot Be Empty")
+	ErrInvalidPhone           = errors.New("Invalid Phone Number")
+	ErrInvalidWebsite         = errors.New("Invalid Website URL")
+	ErrEmptyBrandName         = errors.New("Brand Name Cannot Be Empty")
+	ErrInvalidUnitPrice       = errors.New("Invalid Unit Price")
+	ErrInvalidGSTPercentage   = errors.New("Invalid GST Percentage")
+	ErrInvalidQuantityInStock = errors.New("Invalid Stock Quantity")
+	ErrPasswordTooShort       = errors.New("Password Is Too Short")
+	ErrPasswordTooLong        = errors.New("Password Is Too Long")
+	ErrUsernameTooShort       = errors.New("Username Is Too Short")
+	ErrUsernameTooLong        = errors.New("Username Is Too Long")
+	ErrInvalidLoginMethod     = errors.New("Login Method Can Only Be 'email' Or 'username'")
+	ErrNoItemVariants         = errors.New("An item should have at least one variant")
 
 	// 401
 	ErrWrongPassword     = errors.New("Wrong Password")
diff --git a/errors/status.go b/errors/status.go
index 0bbb7ba..708165a 100644
--- a/errors/status.go
+++ b/errors/status.go
@@ -1,5 +1,5 @@
 /* openbills - Server for web based Libre Billing Software
- * Copyright (C) 2023  Vidhu Kant Sharma <vidhukant@vidhukant.com>
+ * Copyright (C) 2023-2025  Vidhu Kant Sharma <vidhukant@vidhukant.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -42,6 +42,7 @@ func StatusCodeFromErr(err error) int {
 		errors.Is(err, ErrPasswordTooLong) ||
 		errors.Is(err, ErrInvalidLoginMethod) ||
 		errors.Is(err, ErrNoItemVariants) ||
+		errors.Is(err, ErrInvalidQuantityInStock) ||
 		errors.Is(err, ErrInvalidGSTPercentage) {
 		return http.StatusBadRequest
 	}