mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-23 13:55:42 +03:00
116 lines
3.6 KiB
Go
116 lines
3.6 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package user
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/models/db"
|
|
|
|
"xorm.io/builder"
|
|
)
|
|
|
|
// Setting is a key value store of user settings
|
|
type Setting struct {
|
|
ID int64 `xorm:"pk autoincr"`
|
|
UserID int64 `xorm:"index unique(key_userid)"` // to load all of someone's settings
|
|
SettingKey string `xorm:"varchar(255) index unique(key_userid)"` // ensure key is always lowercase
|
|
SettingValue string `xorm:"text"`
|
|
}
|
|
|
|
// TableName sets the table name for the settings struct
|
|
func (s *Setting) TableName() string {
|
|
return "user_setting"
|
|
}
|
|
|
|
func init() {
|
|
db.RegisterModel(new(Setting))
|
|
}
|
|
|
|
// GetSettings returns specific settings from user
|
|
func GetSettings(uid int64, keys []string) (map[string]*Setting, error) {
|
|
settings := make([]*Setting, 0, len(keys))
|
|
if err := db.GetEngine(db.DefaultContext).
|
|
Where("user_id=?", uid).
|
|
And(builder.In("setting_key", keys)).
|
|
Find(&settings); err != nil {
|
|
return nil, err
|
|
}
|
|
settingsMap := make(map[string]*Setting)
|
|
for _, s := range settings {
|
|
settingsMap[s.SettingKey] = s
|
|
}
|
|
return settingsMap, nil
|
|
}
|
|
|
|
// GetUserAllSettings returns all settings from user
|
|
func GetUserAllSettings(uid int64) (map[string]*Setting, error) {
|
|
settings := make([]*Setting, 0, 5)
|
|
if err := db.GetEngine(db.DefaultContext).
|
|
Where("user_id=?", uid).
|
|
Find(&settings); err != nil {
|
|
return nil, err
|
|
}
|
|
settingsMap := make(map[string]*Setting)
|
|
for _, s := range settings {
|
|
settingsMap[s.SettingKey] = s
|
|
}
|
|
return settingsMap, nil
|
|
}
|
|
|
|
// DeleteSetting deletes a specific setting for a user
|
|
func DeleteSetting(setting *Setting) error {
|
|
_, err := db.GetEngine(db.DefaultContext).Delete(setting)
|
|
return err
|
|
}
|
|
|
|
// SetSetting updates a users' setting for a specific key
|
|
func SetSetting(setting *Setting) error {
|
|
if strings.ToLower(setting.SettingKey) != setting.SettingKey {
|
|
return fmt.Errorf("setting key should be lowercase")
|
|
}
|
|
return upsertSettingValue(setting.UserID, setting.SettingKey, setting.SettingValue)
|
|
}
|
|
|
|
func upsertSettingValue(userID int64, key, value string) error {
|
|
return db.WithTx(func(ctx context.Context) error {
|
|
e := db.GetEngine(ctx)
|
|
|
|
// here we use a general method to do a safe upsert for different databases (and most transaction levels)
|
|
// 1. try to UPDATE the record and acquire the transaction write lock
|
|
// if UPDATE returns non-zero rows are changed, OK, the setting is saved correctly
|
|
// if UPDATE returns "0 rows changed", two possibilities: (a) record doesn't exist (b) value is not changed
|
|
// 2. do a SELECT to check if the row exists or not (we already have the transaction lock)
|
|
// 3. if the row doesn't exist, do an INSERT (we are still protected by the transaction lock, so it's safe)
|
|
//
|
|
// to optimize the SELECT in step 2, we can use an extra column like `revision=revision+1`
|
|
// to make sure the UPDATE always returns a non-zero value for existing (unchanged) records.
|
|
|
|
res, err := e.Exec("UPDATE user_setting SET setting_value=? WHERE setting_key=? AND user_id=?", value, key, userID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
rows, _ := res.RowsAffected()
|
|
if rows > 0 {
|
|
// the existing row is updated, so we can return
|
|
return nil
|
|
}
|
|
|
|
// in case the value isn't changed, update would return 0 rows changed, so we need this check
|
|
has, err := e.Exist(&Setting{UserID: userID, SettingKey: key})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if has {
|
|
return nil
|
|
}
|
|
|
|
// if no existing row, insert a new row
|
|
_, err = e.Insert(&Setting{UserID: userID, SettingKey: key, SettingValue: value})
|
|
return err
|
|
})
|
|
}
|