From b643f7852f93f73843aa5f52f9b4545321713e10 Mon Sep 17 00:00:00 2001
From: Vidhu Kant Sharma <vidhukant@vidhukant.com>
Date: Thu, 5 Oct 2023 15:29:50 +0530
Subject: added invoice route (barebones)

---
 invoice/service.go | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 invoice/service.go

(limited to 'invoice/service.go')

diff --git a/invoice/service.go b/invoice/service.go
new file mode 100644
index 0000000..6b59949
--- /dev/null
+++ b/invoice/service.go
@@ -0,0 +1,74 @@
+/* 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 invoice
+
+import (
+	e "vidhukant.com/openbills/errors"
+)
+
+func getInvoice(invoice *Invoice, id uint) error {
+	res := db.Preload("BillingAddress").Preload("ShippingAddress").Find(&invoice, id)
+
+	// TODO: handle potential errors
+	if res.Error != nil {
+		return res.Error
+	}
+
+	if res.RowsAffected == 0 {
+		return e.ErrNotFound
+	}
+
+	return nil
+}
+
+func getInvoices(invoices *[]Invoice, userId uint) error {
+	res := db.Where("user_id = ?", userId).Find(&invoices)
+
+	// TODO: handle potential errors
+	if res.Error != nil {
+		return res.Error
+	}
+
+	if res.RowsAffected == 0 {
+		return e.ErrEmptyResponse
+	}
+
+	return nil
+}
+
+func (i *Invoice) upsert() error {
+	res := db.Save(i)
+	// TODO: handle potential errors
+	return res.Error
+}
+
+func (i *Invoice) del() error {
+	res := db.Where("id = ? and user_id = ?", i.ID, i.UserID).Delete(i)
+
+	// TODO: handle potential errors
+	if res.Error != nil {
+		return res.Error
+	}
+
+	// returns 404 if either row doesn't exist or if the user doesn't own it
+	if res.RowsAffected == 0 {
+		return e.ErrNotFound
+	}
+
+	return nil
+}
-- 
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