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/* 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 item
import (
"vidhukant.com/openbills/errors"
e "vidhukant.com/openbills/errors"
)
func getBrandItems(items *[]SavedItem, id, userId uint) error {
// check if brand id is valid and is owned by user
var count int64
err := db.Model(&Brand{}).
Select("id").
Where("id = ? and user_id = ?", id, userId).
Count(&count).
Error
if err != nil {
return err
}
if count == 0 {
return errors.ErrBrandNotFound
}
res := db.Model(&SavedItem{}).Where("brand_id = ?", id).Find(&items)
// 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.ErrEmptyResponse
}
return nil
}
func getBrands(brands *[]Brand, userId uint) error {
res := db.Where("user_id = ?", userId).Find(&brands)
// TODO: handle potential errors
if res.Error != nil {
return res.Error
}
if res.RowsAffected == 0 {
return e.ErrEmptyResponse
}
return nil
}
func (b *Brand) upsert() error {
res := db.Save(b)
// TODO: handle potential errors
return res.Error
}
// TODO: delete all items upon brand deletion
func (b *Brand) del() error {
res := db.Where("id = ? and user_id = ?", b.ID, b.UserID).Delete(b)
// 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
}
func getItems(items *[]SavedItem, userId uint) error {
res := db.Where("user_id = ?", userId).Preload("Brand").Find(&items)
// TODO: handle potential errors
if res.Error != nil {
return res.Error
}
if res.RowsAffected == 0 {
return e.ErrEmptyResponse
}
return nil
}
func (i *SavedItem) upsert() error {
res := db.Save(i)
// TODO: handle potential errors
return res.Error
}
func (i *SavedItem) 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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