http serving first steps

1 files changed, 68 insertions, 0 deletions

diff --git a/serve.go b/serve.go
new file mode 100644
index 0000000..dff2006
--- /dev/null
+++ b/serve.go
@@ -0,0 +1,68 @@
+package main
+
+import (
+	"fmt"
+	"html/template"
+	"log"
+	"net/http"
+	"regexp"
+)
+
+var (
+	tmplHome, tmplView *template.Template
+)
+
+func baseHandler(w http.ResponseWriter, r *http.Request) {
+	var err error
+	log.Printf("serving %s\n", r.URL.Path)
+
+	bomUrlPattern := regexp.MustCompile("^/([a-zA-Z][a-zA-Z0-9_]*)/([a-zA-Z][a-zA-Z0-9_]*)/(.*)$")
+	userUrlPattern := regexp.MustCompile("^/([a-zA-Z][a-zA-Z0-9_]*)/$")
+
+	switch {
+	case r.URL.Path == "/":
+		err = tmplHome.Execute(w, nil)
+	case bomUrlPattern.MatchString(r.URL.Path):
+		match := bomUrlPattern.FindStringSubmatch(r.URL.Path)
+		bomController(w, r, match[1], match[2], match[3])
+	case userUrlPattern.MatchString(r.URL.Path):
+		match := userUrlPattern.FindStringSubmatch(r.URL.Path)
+		fmt.Fprintf(w, "will show BOM list here for user %s", match[1])
+	default:
+		// 404
+		log.Println("warning: 404")
+		http.NotFound(w, r)
+		return
+	}
+	if err != nil {
+		// this could cause multiple responses?
+		http.Error(w, "Internal error (check logs)", 500)
+		log.Println("error, 500: " + err.Error())
+	}
+}
+
+func bomController(w http.ResponseWriter, r *http.Request, user, name, extra string) {
+	fmt.Fprintf(w, "will show BOM %s/%s here?", user, name)
+}
+
+func serveCmd() {
+	var err error
+
+	// load and parse templates
+	tmplHome = template.Must(template.ParseFiles(*templatePath + "/home.html"))
+	tmplView = template.Must(template.ParseFiles(*templatePath + "/view.html"))
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// serve template static assets (images, CSS, JS)
+	http.Handle("/static/", http.FileServer(http.Dir(*templatePath+"/")))
+	http.Handle("/favicon.ico", http.FileServer(http.Dir(*templatePath+"/static/")))
+
+	// fall through to default handler
+	http.HandleFunc("/", baseHandler)
+
+	listenString := fmt.Sprintf("%s:%d", *listenHost, *listenPort)
+	http.ListenAndServe(listenString, nil)
+	fmt.Println("Serving at " + listenString)
+}