1 files changed, 64 insertions, 0 deletions
diff --git a/errors/status.go b/errors/status.go
new file mode 100644
index 0000000..eb59506
--- /dev/null
+++ b/errors/status.go
@@ -0,0 +1,64 @@
+/* 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"
+	"net/http"
+)
+
+func StatusCodeFromErr(err error) int {
+	// 204
+	if errors.Is(err, ErrEmptyResponse) {
+		return http.StatusNoContent
+	}
+
+	// 400
+	if errors.Is(err, ErrNoWhereCondition) ||
+		errors.Is (err, ErrInvalidID) ||
+		errors.Is (err, ErrEmptyContactName) ||
+		errors.Is(err, ErrInvalidGSTIN) ||
+		errors.Is(err, ErrEmptyBrandName) ||
+		errors.Is(err, ErrInvalidUnitPrice) ||
+		errors.Is(err, ErrInvalidGSTPercentage) {
+		return http.StatusBadRequest
+	}
+
+	// 404
+	if errors.Is(err, ErrNotFound) ||
+		errors.Is(err, ErrBrandNotFound) {
+		return http.StatusNotFound
+	}
+
+	// 409
+	if errors.Is(err, ErrNonUniqueGSTIN) ||
+		errors.Is(err, ErrNonUniquePhone) ||
+		errors.Is(err, ErrNonUniqueEmail) ||
+		errors.Is(err, ErrNonUniqueWebsite) ||
+		errors.Is(err, ErrNonUniqueBrandName) ||
+		errors.Is(err, ErrNonUniqueBrandItem) {
+		return http.StatusConflict
+	}
+
+	// 500
+	if errors.Is(err, ErrInternalServerError) {
+		return http.StatusInternalServerError
+	}
+
+	return http.StatusInternalServerError
+}