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|
package main
import (
"fmt"
"html/template"
"net/http"
"github.com/julienschmidt/httprouter"
)
// CreateHandler creates a Sally http.Handler
func CreateHandler(config *Config) http.Handler {
router := httprouter.New()
router.RedirectTrailingSlash = false
router.GET("/", indexHandler{config: config}.Handle)
for name, pkg := range config.Packages {
handle := packageHandler{
pkgName: name,
pkg: pkg,
config: config,
}.Handle
router.GET(fmt.Sprintf("/%s", name), handle)
router.GET(fmt.Sprintf("/%s/*path", name), handle)
}
return router
}
type indexHandler struct {
config *Config
}
func (h indexHandler) Handle(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
if err := indexTemplate.Execute(w, h.config); err != nil {
http.Error(w, err.Error(), 500)
}
}
var indexTemplate = template.Must(template.New("index").Parse(`
<!DOCTYPE html>
<html>
<body>
<ul>
{{ range $key, $value := .Packages }}
<li>{{ $key }} - {{ $value.Repo }}</li>
{{ end }}
</ul>
</body>
</html>
`))
type packageHandler struct {
pkgName string
pkg Package
config *Config
}
func (h packageHandler) Handle(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
canonicalURL := fmt.Sprintf("%s/%s", h.config.URL, h.pkgName)
data := struct {
Repo string
CanonicalURL string
GodocURL string
}{
Repo: h.pkg.Repo,
CanonicalURL: canonicalURL,
GodocURL: fmt.Sprintf("https://godoc.org/%s%s", canonicalURL, ps.ByName("path")),
}
if err := packageTemplate.Execute(w, data); err != nil {
http.Error(w, err.Error(), 500)
}
}
var packageTemplate = template.Must(template.New("package").Parse(`
<!DOCTYPE html>
<html>
<head>
<meta name="go-import" content="{{ .CanonicalURL }} git https://{{ .Repo }}">
<meta name="go-source" content="{{ .CanonicalURL }} https://{{ .Repo }} https://{{ .Repo }}/tree/master{/dir} https://{{ .Repo }}/tree/master{/dir}/{file}#L{line}">
<meta http-equiv="refresh" content="0; url={{ .GodocURL }}">
</head>
<body>
Nothing to see here. Please <a href="{{ .GodocURL }}">move along</a>.
</body>
</html>
`))
|
