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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
package db
import (
"bufio"
"context"
"github.com/alist-org/alist/v3/drivers/local"
"github.com/alist-org/alist/v3/internal/db"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/internal/search/searcher"
"github.com/alist-org/alist/v3/pkg/utils"
"os/exec"
"path/filepath"
"strings"
)
type Grep struct{}
func (D Grep) Config() searcher.Config {
return config
}
func (D Grep) ListLocalStorage() []model.Storage {
storages, _, err := db.GetStorages(0, 500)
var localStorages []model.Storage
if err != nil {
return localStorages
}
for i := range storages {
storage := storages[i]
if storage.Driver == "Local" {
localStorages = append(localStorages, storage)
}
}
return localStorages
}
func (D Grep) FindRealRoot(parentFolder string) (string, string) {
if len(parentFolder) <= 0 {
return "", ""
}
localStorages := D.ListLocalStorage()
if len(localStorages) <= 0 {
return "", ""
}
for i := range localStorages {
localStorage := localStorages[i]
// Unmarshal Addition
addition := &local.Addition{}
err := utils.Json.UnmarshalFromString(localStorage.Addition, addition)
if err != nil {
continue
}
if strings.Contains(parentFolder, localStorage.MountPath) {
return localStorage.MountPath, addition.RootFolderPath
}
}
return "", ""
}
func (D Grep) Search(ctx context.Context, req model.SearchReq) ([]model.SearchNode, int64, error) {
mountPath, rootFolderPath := D.FindRealRoot(req.Parent)
if len(mountPath) == 0 || len(rootFolderPath) == 0 {
return []model.SearchNode{}, 0, nil
}
realRootFolder := strings.Replace(
req.Parent,
mountPath,
rootFolderPath,
1,
)
kw:=req.Keywords
isSpace:=strings.Contains(kw, " ")
if isSpace == true {
strSlice:=strings.Split(kw," ")
formerStr:=strSlice[0]
latterStr:=strSlice[1]
kw=formerStr+".*"+latterStr+"|"+latterStr+".*"+formerStr
}
cmd := exec.Command("grep", "-R", "-l", "-i", "-E", kw, realRootFolder)
stderr, _ := cmd.StdoutPipe()
cmd.Start()
scanner := bufio.NewScanner(stderr)
scanner.Split(bufio.ScanLines)
var fileList []model.SearchNode
var limit int = 0
for scanner.Scan() {
m := scanner.Text()
fileName := strings.Split(m, ":")[0]
cdir, cfile := filepath.Split(fileName)
cfile = strings.TrimSuffix(cfile, "/")
cdir = strings.Replace(cdir, rootFolderPath, mountPath, 1)
if itemExists(fileList, cdir, cfile) {
continue
}
fileList = append(fileList, model.SearchNode{
Parent: cdir,
Name: cfile,
IsDir: false,
Size: 0,
})
limit++
if limit >= 100 {
break
}
}
cmd.Wait()
return fileList, 0, nil
}
func itemExists(fileList []model.SearchNode, cdir string, cfile string) bool {
for i := range fileList {
file := fileList[i]
if file.Parent == cdir && file.Name == cfile {
return true
}
}
return false
}
func (D Grep) Index(ctx context.Context, node model.SearchNode) error {
return nil
}
func (D Grep) BatchIndex(ctx context.Context, nodes []model.SearchNode) error {
return nil
}
func (D Grep) Get(ctx context.Context, parent string) ([]model.SearchNode, error) {
return []model.SearchNode{}, nil
}
func (D Grep) Del(ctx context.Context, prefix string) error {
return nil
}
func (D Grep) Release(ctx context.Context) error {
return nil
}
func (D Grep) Clear(ctx context.Context) error {
return nil
}
var _ searcher.Searcher = (*Grep)(nil)
|
