mirror of
https://github.com/dnote/dnote
synced 2026-03-14 22:45:50 +01:00
105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
/* Copyright 2025 Dnote Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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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"gorm.io/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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tx.Rollback()
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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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}
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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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Updates(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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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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