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/* 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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