-
Notifications
You must be signed in to change notification settings - Fork 0
/
storage.go
75 lines (65 loc) · 1.29 KB
/
storage.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
package offers
import (
"encoding/json"
"compress/zlib"
"compress/gzip"
"os"
"io"
"log"
"path"
)
func (d DiningMap) SaveOffers(n string) {
f, err := os.OpenFile(n+".new", os.O_WRONLY|os.O_CREATE, 0644)
checkErr(err)
defer f.Close()
data, _ := json.Marshal(d)
switch path.Ext(n) {
case ".gzip":
w := gzip.NewWriter(f)
w.Write(data)
w.Flush()
w.Close()
case ".zz":
w := zlib.NewWriter(f)
w.Write(data)
w.Flush()
w.Close()
default:
f.Write(data)
}
err = os.Rename(n, n+".bak")
if err != nil {
log.Printf("Skipping: %s", err)
}
err = os.Rename(n+".new", n)
checkErr(err)
}
func (d DiningMap) LoadOffers(n string) {
f, err := os.Open(n)
if os.IsNotExist(err) {
d = NewOffers()
return
}
checkErr(err)
switch path.Ext(n) {
case ".gzip":
r, err := gzip.NewReader(f)
checkErr(err)
j, _ := io.ReadAll(r)
r.Close()
json.Unmarshal(j, &d)
case ".zz":
r, err := zlib.NewReader(f)
checkErr(err)
j, err := io.ReadAll(r)
r.Close()
checkErr(err)
json.Unmarshal(j, &d)
default:
j, err := io.ReadAll(f)
checkErr(err)
json.Unmarshal(j, &d)
}
f.Close()
}
// vim: noai:ts=3:sw=3:set expandtab: