1 files changed, 73 insertions, 0 deletions
diff --git a/customer/service.go b/customer/service.go
new file mode 100644
index 0000000..c5d7cb8
--- /dev/null
+++ b/customer/service.go
@@ -0,0 +1,73 @@
+/* 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 customer
+
+import (
+	e "vidhukant.com/openbills/errors"
+)
+
+func getCustomer(customer *Customer, id uint) error {
+	res := db.Preload("Contact").Preload("BillingAddress").Preload("ShippingAddresses").Find(&customer, id)
+
+	// TODO: handle potential errors
+	if res.Error != nil {
+		return res.Error
+	}
+
+	if res.RowsAffected == 0 {
+		return e.ErrNotFound
+	}
+
+	return nil
+}
+
+func getCustomers(customers *[]Customer) error {
+	res := db.Find(&customers)
+
+	// TODO: handle potential errors
+	if res.Error != nil {
+		return res.Error
+	}
+
+	if res.RowsAffected == 0 {
+		return e.ErrEmptyResponse
+	}
+
+	return nil
+}
+
+func (c *Customer) upsert() error {
+	res := db.Save(c)
+	// TODO: handle potential errors
+	return res.Error
+}
+
+func (c *Customer) del() error {
+	res := db.Delete(c)
+
+	// TODO: handle potential errors
+	if res.Error != nil {
+		return res.Error
+	}
+
+	if res.RowsAffected == 0 {
+		return e.ErrNotFound
+	}
+
+	return nil
+}