/
cache_center.go
105 lines (87 loc) · 2.36 KB
/
cache_center.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
93
94
95
96
97
98
99
100
101
102
103
104
105
package cache_center
import (
"fmt"
"os"
"path/filepath"
"sync"
"github.com/ChineseSubFinder/ChineseSubFinder/pkg"
"github.com/ChineseSubFinder/ChineseSubFinder/pkg/cache_center/models"
"github.com/sirupsen/logrus"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
)
type CacheCenter struct {
Log *logrus.Logger
centerFolder string
downloadFileSaveRootPath string
taskQueueSaveRootPath string
dbFPath string
cacheName string
db *gorm.DB
locker sync.Mutex
}
func NewCacheCenter(cacheName string, Log *logrus.Logger) *CacheCenter {
c := CacheCenter{}
c.Log = Log
var err error
c.centerFolder, err = pkg.GetRootCacheCenterFolder()
if err != nil {
panic(err)
}
c.taskQueueSaveRootPath = filepath.Join(c.centerFolder, taskQueueFolderName, cacheName)
c.downloadFileSaveRootPath = filepath.Join(c.centerFolder, downloadFilesFolderName, cacheName)
c.dbFPath = filepath.Join(c.centerFolder, cacheName+"_"+dbFileName)
c.db, err = gorm.Open(sqlite.Open(c.dbFPath), &gorm.Config{})
if err != nil {
panic(fmt.Sprintf("failed to connect database, %s", err.Error()))
}
// 迁移 schema
err = c.db.AutoMigrate(&models.DailyDownloadInfo{}, &models.TaskQueueInfo{}, &models.DownloadFileInfo{})
if err != nil {
panic(fmt.Sprintf("db AutoMigrate error, %s", err.Error()))
}
return &c
}
func (c *CacheCenter) GetName() string {
return c.cacheName
}
func (c *CacheCenter) Close() {
defer c.locker.Unlock()
c.locker.Lock()
sqlDB, err := c.db.DB()
if err != nil {
return
}
err = sqlDB.Close()
if err != nil {
return
}
}
func DelDb(cacheName string) {
centerFolder, err := pkg.GetRootCacheCenterFolder()
if err != nil {
return
}
dbFPath := filepath.Join(centerFolder, cacheName+"_"+dbFileName)
if pkg.IsFile(dbFPath) == true {
err = os.Remove(dbFPath)
if err != nil {
return
}
}
taskQueueSaveRootPath := filepath.Join(centerFolder, taskQueueFolderName, cacheName)
err = pkg.ClearFolder(taskQueueSaveRootPath)
if err != nil {
return
}
downloadFileSaveRootPath := filepath.Join(centerFolder, downloadFilesFolderName, cacheName)
err = pkg.ClearFolder(downloadFileSaveRootPath)
if err != nil {
return
}
}
const (
taskQueueFolderName = "task_queue"
downloadFilesFolderName = "download_files"
dbFileName = "cache_center.db"
)