diff options
| author |  Grayson Koonce <grayson.koonce@gmail.com>
| 2016-10-12 11:04:26 -0700 |
|---|---|---|
| committer |  GitHub <noreply@github.com>
| 2016-10-12 11:04:26 -0700 |
| commit | ac8374fd17e30fca9a7773a2a6f690a7ea4d2ec9 (patch) | |
| tree | e9a61adde4bc5eef80583f3e1d6f9379a20b4f99 /handler.go | |
| parent | b80c4f3e920994823061eb05dc0a5bc3881ddb02 (diff) | |
| download | sally-ac8374fd17e30fca9a7773a2a6f690a7ea4d2ec9.tar.gz sally-ac8374fd17e30fca9a7773a2a6f690a7ea4d2ec9.tar.zst sally-ac8374fd17e30fca9a7773a2a6f690a7ea4d2ec9.zip | |
Rework as HTTP server (#15)
Diffstat (limited to 'handler.go')
| -rw-r--r-- | handler.go | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/handler.go b/handler.go new file mode 100644 index 0000000..09f5999 --- /dev/null +++ b/handler.go @@ -0,0 +1,88 @@ +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> +`)) |