gorepos/main.go
2015-07-23 12:07:47 -04:00

93 lines
1.8 KiB
Go

package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
)
// {{{ Package Struct
type Package struct {
Repo string
Path string
Packages []string
}
func (p Package) GetRoutes() (ret []string) {
ret = append(ret, p.Path)
for _, pkg := range p.Packages {
ret = append(ret, p.Path+"/"+pkg)
}
return
}
// }}}
// {{{ JSON Functions
func writePage(w http.ResponseWriter, data string, code int) error {
w.Header().Set("Content-Type", "text/html; charset=UTF-8")
w.WriteHeader(code)
w.Write([]byte(data))
return nil
}
func writePageError(w http.ResponseWriter, message string, code int) error {
return writePage(w, message, code)
}
func writePageGo(w http.ResponseWriter, path string, pkg Package, code int) error {
return writePage(w, fmt.Sprintf(`<!DOCTYPE html><html>
<head><meta charset="utf-8"><title>%s</title><meta name="go-import" content="%s %s %s"></head>
<body>%s</body>
</html>`, "Package!", path, "git", pkg.Repo, "Package!"), code)
}
// }}}
// {{{ Config Functions
func loadConfig() (ret []Package, err error) {
content, err := ioutil.ReadFile("packages.json")
if err != nil {
return
}
err = json.Unmarshal(content, &ret)
return
}
func loadRoutes(packages []Package) (routes map[string]Package) {
routes = map[string]Package{}
for _, pkg := range packages {
for _, route := range pkg.GetRoutes() {
routes[route] = pkg
}
}
return
}
// }}}
func main() {
mux := http.NewServeMux()
packages, err := loadConfig()
if err != nil {
fmt.Errorf("%s\n", err)
return
}
routes := loadRoutes(packages)
mux.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
route := req.URL.Path
if val, ok := routes[route]; ok {
writePageGo(w, req.Host+route, val, 200)
} else {
writePageError(w, ":(", 401)
}
})
http.ListenAndServe(":8000", mux)
}
// vim: foldmethod=marker