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gallery.go
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/
gallery.go
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package main
import (
"github.com/gin-gonic/gin"
"net/http"
"io/ioutil"
"gopkg.in/h2non/filetype.v1"
"os"
"log"
"path"
"github.com/rakyll/statik/fs"
_ "github.com/blan4/gallery/statik"
"flag"
"html/template"
)
var flagSrc = flag.String("src", ".", "The path of the source directory.")
func main() {
flag.Parse()
runServer(*flagSrc)
}
func runServer(dirname string) {
statikFS, err := fs.New()
if err != nil {
log.Fatal(err)
}
r := gin.Default()
r.SetHTMLTemplate(loadIndexTemplate())
//r.Static("/assets", "./assets")
r.StaticFS("/assets", statikFS)
r.StaticFS("/img", http.Dir(dirname))
r.GET("/", func(c *gin.Context) {
c.HTML(http.StatusOK, "index.tmpl", gin.H{
"title": "Main website",
"images": ls(dirname),
})
})
r.Run()
}
func loadIndexTemplate() *template.Template {
t, err := template.New("index.tmpl").Parse(indexTemplate)
if err != nil {
log.Fatal(err)
}
return t
}
func ls(dirname string) (fnames []string) {
files, err := ioutil.ReadDir(dirname)
if err != nil {
log.Fatal(err)
return
}
for _, file := range files {
fileName := path.Join(dirname, file.Name())
if file.IsDir() {
continue // TODO: maybe recursive?
} else {
buf, err := os.Open(fileName)
head := make([]byte, 261)
buf.Read(head)
if err != nil {
log.Fatal(err)
} else {
if filetype.IsImage(head) {
fnames = append(fnames, file.Name())
}
}
}
}
return
}
var indexTemplate string = `
<html>
<head>
<link type="text/css" rel="stylesheet" href="/assets/lightgallery/css/lightgallery.css" />
<link type="text/css" rel="stylesheet" href="/assets/normalize/normalize.css" />
<link type="text/css" rel="stylesheet" href="/assets/main.css" />
</head>
<body>
<div class='gallery'>
<ul id="lightgallery">
{{ range .images}}
<li data-src="img/{{ . }}" >
<img src="img/{{ . }}" />
</li>
{{ end }}
</ul>
</div>
<script src="/assets/lightgallery/js/lightgallery.js"></script>
<script src="/assets/lightgallery/js/lg-thumbnail.js"></script>
<script src="/assets/lightgallery/js/lg-fullscreen.js"></script>
<script type="text/javascript">
lightGallery(document.getElementById('lightgallery'));
</script>
</body>
</html>
`