mirror of
https://github.com/dnote/dnote
synced 2026-03-15 06:55:49 +01:00
110 lines
2.9 KiB
Go
110 lines
2.9 KiB
Go
/* Copyright (C) 2019, 2020, 2021 Monomax Software Pty Ltd
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*
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* This file is part of Dnote.
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*
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* Dnote is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Dnote is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Dnote. If not, see <https://www.gnu.org/licenses/>.
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*/
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package app
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import (
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"github.com/dnote/dnote/pkg/server/database"
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"github.com/dnote/dnote/pkg/server/helpers"
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"github.com/jinzhu/gorm"
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"github.com/pkg/errors"
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)
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// CreateBook creates a book with the next usn and updates the user's max_usn
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func (a *App) CreateBook(user database.User, name string) (database.Book, error) {
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tx := a.DB.Begin()
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nextUSN, err := incrementUserUSN(tx, user.ID)
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if err != nil {
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tx.Rollback()
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return database.Book{}, errors.Wrap(err, "incrementing user max_usn")
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}
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uuid, err := helpers.GenUUID()
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if err != nil {
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return database.Book{}, err
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}
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book := database.Book{
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UUID: uuid,
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UserID: user.ID,
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Label: name,
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AddedOn: a.Clock.Now().UnixNano(),
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USN: nextUSN,
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Encrypted: false,
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}
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if err := tx.Create(&book).Error; err != nil {
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tx.Rollback()
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return book, errors.Wrap(err, "inserting book")
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}
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tx.Commit()
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return book, nil
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}
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// DeleteBook marks a book deleted with the next usn and updates the user's max_usn
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func (a *App) DeleteBook(tx *gorm.DB, user database.User, book database.Book) (database.Book, error) {
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if user.ID != book.UserID {
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return book, errors.New("Not allowed")
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}
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nextUSN, err := incrementUserUSN(tx, user.ID)
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if err != nil {
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return book, errors.Wrap(err, "incrementing user max_usn")
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}
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if err := tx.Model(&book).
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Update(map[string]interface{}{
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"usn": nextUSN,
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"deleted": true,
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"label": "",
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}).Error; err != nil {
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return book, errors.Wrap(err, "deleting book")
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}
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return book, nil
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}
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// UpdateBook updaates the book, the usn and the user's max_usn
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func (a *App) UpdateBook(tx *gorm.DB, user database.User, book database.Book, label *string) (database.Book, error) {
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if user.ID != book.UserID {
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return book, errors.New("Not allowed")
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}
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nextUSN, err := incrementUserUSN(tx, user.ID)
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if err != nil {
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return book, errors.Wrap(err, "incrementing user max_usn")
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}
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if label != nil {
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book.Label = *label
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}
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book.USN = nextUSN
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book.EditedOn = a.Clock.Now().UnixNano()
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book.Deleted = false
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// TODO: remove after all users have been migrated
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book.Encrypted = false
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if err := tx.Save(&book).Error; err != nil {
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return book, errors.Wrap(err, "updating the book")
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}
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return book, nil
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}
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