forked from b3log/pipe
-
Notifications
You must be signed in to change notification settings - Fork 0
/
upgradesrv.go
92 lines (74 loc) · 2.32 KB
/
upgradesrv.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
// Pipe - A small and beautiful blogging platform written in golang.
// Copyright (C) 2017-2018, b3log.org
//
// 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 <http://www.gnu.org/licenses/>.
package service
import (
"sync"
"github.com/b3log/pipe/model"
"github.com/b3log/pipe/util"
)
// Upgrade service.
var Upgrade = &upgradeService{
mutex: &sync.Mutex{},
}
type upgradeService struct {
mutex *sync.Mutex
}
const (
fromVer = "1.4.0"
toVer = util.Version
)
func (srv *upgradeService) Perform() {
if !Init.Inited() {
return
}
sysVerSetting := Setting.GetSetting(model.SettingCategorySystem, model.SettingNameSystemVer, 1)
if nil == sysVerSetting {
logger.Fatalf("system state is error, please contact developer: https://github.com/b3log/pipe/issues/new")
}
currentVer := sysVerSetting.Value
if util.Version == currentVer {
return
}
if fromVer == currentVer {
perform()
return
}
logger.Fatalf("attempt to skip more than one version to upgrade. Expected: %s, Actually: %s", fromVer, currentVer)
}
func perform() {
logger.Infof("upgrading from version [%s] to version [%s]....", fromVer, toVer)
var allSettings []model.Setting
if err := db.Find(&allSettings).Error; nil != err {
logger.Fatalf("load settings failed: %s", err)
}
var updateSettings []model.Setting
for _, setting := range allSettings {
if model.SettingNameSystemVer == setting.Name {
setting.Value = util.Version
updateSettings = append(updateSettings, setting)
continue
}
}
tx := db.Begin()
for _, setting := range updateSettings {
if err := tx.Save(setting).Error; nil != err {
tx.Rollback()
logger.Fatalf("update setting [%+v] failed: %s", setting, err)
}
}
tx.Commit()
logger.Infof("upgraded from version [%s] to version [%s] successfully :-)", fromVer, toVer)
}