From ac7aa8c6e95023def1eba7615d8a42ad52271500 Mon Sep 17 00:00:00 2001
From: Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
Date: Sun, 29 Jan 2023 20:11:09 +0530
Subject: checking password before editing/deleting user

---
 item/service.go | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 item/service.go

(limited to 'item/service.go')

diff --git a/item/service.go b/item/service.go
new file mode 100644
index 0000000..36f8364
--- /dev/null
+++ b/item/service.go
@@ -0,0 +1,82 @@
+/* OpenBills-server - Server for libre billing software OpenBills-web
+ * Copyright (C) 2022  Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
+
+ * 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 item
+
+import (
+	"context"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"github.com/MikunoNaka/OpenBills-server/database"
+	"github.com/MikunoNaka/OpenBills-server/brand"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+var brands *mongo.Collection = database.DB.Collection("Brands")
+
+// Add item to db
+func saveItem(i Item) (primitive.ObjectID, error) {
+	res, err := db.InsertOne(context.TODO(), i)
+	return res.InsertedID.(primitive.ObjectID), err
+}
+
+// Delete item from DB
+func deleteItem(id primitive.ObjectID) error {
+	_, err := db.DeleteOne(context.TODO(), bson.M{"_id": id})
+	return err
+}
+
+// modify item in DB
+func modifyItem(id primitive.ObjectID, ni Item) error {
+	_, err := db.UpdateOne(context.TODO(), bson.D{{"_id", id}}, bson.D{{"$set", ni}})
+	return err
+}
+
+/* GetItems queries the database and
+ * returns items based on the given filter
+ * if filter is nil every item is returned
+ */
+func getItems(filter bson.M) ([]Item, error) {
+	var items []Item
+
+	cursor, err := db.Find(context.TODO(), filter)
+	if err != nil {
+		return items, err
+	}
+
+	err = cursor.All(context.TODO(), &items)
+	if err != nil {
+	    return items, err
+	}
+
+	for id, i := range items {
+    // continue if item doesn't have a brand
+    if (i.Brand.Id == primitive.ObjectID{}) {
+      continue
+    }
+
+		var b brand.Brand
+
+		err := brands.FindOne(context.TODO(), bson.M{"_id": i.Brand.Id}).Decode(&b)
+		if err != nil {
+			return items, err
+		}
+		items[id].Brand = b
+	}
+
+	return items, err
+}
-- 
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