initial commit

1 files changed, 63 insertions, 0 deletions

diff --git a/main.go b/main.go
new file mode 100644
index 0000000..fb69638
--- /dev/null
+++ b/main.go
@@ -0,0 +1,63 @@
+package main
+
+import (
+	_ "embed"
+	"fmt"
+	"html/template"
+	"log"
+	"net/http"
+	"sync/atomic"
+)
+
+//go:embed index.html
+var indexTemplate string
+
+var pageTemplate *template.Template
+
+var open atomic.Uint64
+var done atomic.Uint64
+
+func pageHandler(w http.ResponseWriter, r *http.Request) {
+	tempData := struct {
+		Open    uint64
+		Done    uint64
+		IsAdmin bool
+	}{open.Load(), done.Load() + 1, r.URL.Query().Has("admin")}
+
+	if err := pageTemplate.Execute(w, tempData); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
+func newHandler(w http.ResponseWriter, r *http.Request) {
+	ticket := open.Add(1)
+	log.Printf("Create ticket %d\n", ticket)
+	if _, err := fmt.Fprintf(w, "%d", ticket); err != nil {
+		log.Printf("Writing response failed: %v", err)
+	}
+}
+
+func doneHandler(w http.ResponseWriter, r *http.Request) {
+	ticket := done.Add(1)
+	log.Printf("Finished ticket %d\n", ticket)
+	if _, err := fmt.Fprintf(w, "%d", ticket); err != nil {
+		log.Printf("Writing response failed: %v", err)
+	}
+}
+
+func setupRoutes() {
+	http.HandleFunc("/", pageHandler)
+	http.HandleFunc("/new", newHandler)
+	http.HandleFunc("/done", doneHandler)
+}
+
+func main() {
+	setupRoutes()
+
+	pageTemplate = template.Must(template.New("index").Parse(indexTemplate))
+
+	log.Printf("Serving http on %d", 8080)
+	err := http.ListenAndServe(fmt.Sprintf(":%d", 8080), nil)
+	log.Panicf("Serving http failed with %s", err)
+}