1 files changed, 51 insertions, 0 deletions
diff --git a/errors/errors.go b/errors/errors.go
new file mode 100644
index 0000000..08d8a4c
--- /dev/null
+++ b/errors/errors.go
@@ -0,0 +1,51 @@
+/* openbills - Server for web based Libre Billing Software
+ * Copyright (C) 2023  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
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package errors
+
+import (
+	"errors"
+)
+
+var (
+	// 204
+	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")
+	ErrEmptyBrandName       = errors.New("Brand Name Cannot Be Empty")
+	ErrInvalidUnitPrice     = errors.New("Invalid Unit Price")
+	ErrInvalidGSTPercentage = errors.New("Invalid GST Percentage")
+
+	// 404
+	ErrNotFound             = errors.New("Not Found")
+	ErrBrandNotFound        = errors.New("This Brand Does Not Exist")
+
+	// 409
+	ErrNonUniqueGSTIN       = errors.New("GSTIN Must Be Unique")
+	ErrNonUniquePhone       = errors.New("Phone Number Must Be Unique")
+	ErrNonUniqueEmail       = errors.New("Email Address Must Be Unique")
+	ErrNonUniqueWebsite     = errors.New("Website Must Be Unique")
+	ErrNonUniqueBrandName   = errors.New("Brand Name Must Be Unique")
+	ErrNonUniqueBrandItem   = errors.New("Item With Same Name And Brand Already Exists")
+
+	// 500
+	ErrInternalServerError = errors.New("Internal Server Error")
+)