-
Notifications
You must be signed in to change notification settings - Fork 56
/
memTheme.go
78 lines (67 loc) · 1.44 KB
/
memTheme.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
package tpl
import (
"archive/zip"
"errors"
"html/template"
"io"
"io/ioutil"
"net/http"
"time"
)
type MemTheme struct {
template *template.Template
assets assets
}
var initTime = time.Now()
func LoadMemTheme(themePath string) (theme MemTheme, err error) {
var currentTheme = MemTheme{
template: nil,
assets: make(assets, 2),
}
// assume to be a zip file
var zipRd *zip.ReadCloser
zipRd, err = zip.OpenReader(themePath)
if err != nil {
return
}
defer zipRd.Close()
for _, f := range zipRd.File {
var rd io.ReadCloser
rd, err = f.Open()
if err != nil {
continue
}
var raw []byte
raw, err = ioutil.ReadAll(rd)
rd.Close()
if err != nil {
return
}
if f.Name == templateFilename {
currentTheme.template, err = ParsePageTpl(string(raw))
if err != nil {
return
}
} else {
currentTheme.assets.set(f.Name, raw)
}
}
if currentTheme.template != nil {
theme = currentTheme
return
}
err = errors.New("lacks of page template '" + templateFilename + "' in theme")
return
}
func (theme MemTheme) RenderPage(w io.Writer, data interface{}) error {
return theme.template.Execute(w, data)
}
func (theme MemTheme) RenderAsset(w http.ResponseWriter, r *http.Request, assetPath string) {
asset, ok := theme.assets[assetPath]
if !ok {
w.WriteHeader(http.StatusNotFound)
return
}
w.Header().Set("Content-Type", asset.contentType)
http.ServeContent(w, r, assetPath, initTime, asset.readSeeker)
}