Genesis commit

1 files changed, 71 insertions, 0 deletions

diff --git a/main.go b/main.go
new file mode 100644
index 0000000..0624665
--- /dev/null
+++ b/main.go
@@ -0,0 +1,71 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"log"
+	"math"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"git.thomasvoss.com/euro-cash.eu/i18n"
+	"git.thomasvoss.com/euro-cash.eu/middleware"
+	"git.thomasvoss.com/euro-cash.eu/templates"
+	"github.com/a-h/templ"
+)
+
+var components = map[string]templ.Component{
+	"/":         templates.Index(),
+	"/language": templates.SetLanguage(),
+}
+
+func main() {
+	i18n.InitPrinters()
+
+	port := flag.Int("port", 8080, "port number")
+	flag.Parse()
+
+	mux := http.NewServeMux()
+	mux.Handle("GET /style.css", http.FileServer(http.Dir("static")))
+	mux.Handle("GET /", middleware.I18n(http.HandlerFunc(finalHandler)))
+	mux.Handle("POST /language", http.HandlerFunc(setUserLanguage))
+
+	portStr := ":" + strconv.Itoa(*port)
+	log.Println("Listening on", portStr)
+	log.Fatal(http.ListenAndServe(portStr, mux))
+}
+
+func finalHandler(w http.ResponseWriter, r *http.Request) {
+	p := r.Context().Value(middleware.PrinterKey).(i18n.Printer)
+	ctx := context.WithValue(context.Background(), templates.PrinterKey, p)
+
+	path := r.URL.Path
+	if path != "/" && path[len(path)-1] == '/' {
+		path = path[:len(path)-1]
+	}
+
+	if c, ok := components[path]; !ok {
+		w.WriteHeader(http.StatusNotFound)
+		fmt.Fprintln(w, p.T("Page not found"))
+	} else {
+		w.WriteHeader(http.StatusOK)
+		templates.Root(nil, c).Render(ctx, w)
+	}
+}
+
+func setUserLanguage(w http.ResponseWriter, r *http.Request) {
+	loc := r.FormValue(templates.LocaleKey)
+	_, ok := i18n.Printers[strings.ToLower(loc)]
+	if !ok {
+		w.WriteHeader(http.StatusBadRequest)
+		fmt.Fprintf(w, "Locale ‘%s’ is invalid or unsupported", loc)
+		return
+	}
+	http.SetCookie(w, &http.Cookie{
+		Name:   "lang",
+		Value:  loc,
+		MaxAge: math.MaxInt32,
+	})
+}