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/* openbills - Server for web based Libre Billing Software
* Copyright (C) 2023-2024 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 (
"strings"
"vidhukant.com/openbills/errors"
u "vidhukant.com/openbills/util"
)
func (c *Customer) validate() error {
// trim whitespaces
c.FirmName = strings.TrimSpace(c.FirmName)
c.Gstin = strings.TrimSpace(c.Gstin)
c.ContactName = strings.TrimSpace(c.ContactName)
c.Phone = strings.TrimSpace(c.Phone)
c.Email = strings.TrimSpace(c.Email)
c.Website = strings.TrimSpace(c.Website)
// don't validate if GSTIN is empty
if c.Gstin != "" {
if !u.ValidateGstin(c.Gstin) {
return errors.ErrInvalidGSTIN
}
}
// don't validate email if empty
if c.Email != "" {
if !u.ValidateEmail(c.Email) {
return errors.ErrInvalidEmail
}
}
// don't validate phone if empty
if c.Phone != "" {
if !u.ValidatePhone(c.Phone) {
return errors.ErrInvalidPhone
}
}
// don't validate website if empty
if c.Website != "" {
if !u.ValidateWebsite(c.Website) {
return errors.ErrInvalidWebsite
}
}
return nil
}
func checkCustomerOwnership(customerId, userId uint) error {
var customer Customer
err := db.
Select("id", "user_id").
Where("id = ?", customerId).
Find(&customer).
Error
// TODO: handle potential errors
if err != nil {
return err
}
// customer doesn't exist
if customer.ID == 0 {
return errors.ErrNotFound
}
// user doesn't own this customer
if customer.UserID != userId {
return errors.ErrForbidden
}
return nil
}
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