Login für eingeladene Prüflinge implementiert

main.go

@@ -1,15 +1,22 @@
 package main
 
 import (
+	"html/template"
 	"log"
 	"net/http"
-
 	"streifling.com/jason/sicherheitsunterweisung/packages/data"
 	"streifling.com/jason/sicherheitsunterweisung/packages/server"
 )
 
+func addUUIDs(uc *chan string, uuids *[]string) {
+	for uuid := range *uc {
+		(*uuids) = append(*uuids, uuid)
+	}
+}
+
 func main() {
 	var i, j int64
+	uuids := make([]string, 0)
 	i, j = 1, 1
 	mux := http.NewServeMux()
 
@@ -20,14 +27,19 @@ func main() {
 
 	uuidChan := make(chan string)
 	defer close(uuidChan)
+	go addUUIDs(&uuidChan, &uuids)
 
 	mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static/"))))
-	mux.HandleFunc("/", server.DisplayTable(db))
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		template.Must(template.ParseFiles("templates/index.html", "templates/login.html")).Execute(w, nil)
+	})
 	mux.HandleFunc("/search/", server.DisplayResults(db))
 	mux.HandleFunc("/new-briefing/", server.DisplayForm(&i))
 	mux.HandleFunc("/add-participant/", server.AddParticipant(&i))
 	mux.HandleFunc("/submit-form/", server.SubmitForm(db, &i, &j))
 	mux.HandleFunc("/generate-uuid/", server.GenerateUUID(uuidChan))
+	mux.HandleFunc("/internal-login/", server.DisplayTable(db))
+	mux.HandleFunc("/external-login/", server.DisplayQuestionsIfOK(&uuids))
 
 	log.Fatalln(http.ListenAndServe(":8080", mux))
 }

packages/server/server.go

@@ -92,3 +92,23 @@ func GenerateUUID(ch chan<- string) http.HandlerFunc {
 		template.Must(template.ParseFiles("templates/form.html")).ExecuteTemplate(w, "uuid", uuid)
 	}
 }
+
+func DisplayQuestionsIfOK(uuids *[]string) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if uuidIsOK(r.PostFormValue("login"), uuids) {
+			template.Must(template.ParseFiles("templates/question.html")).ExecuteTemplate(w, "content", nil)
+		} else {
+			template.Must(template.ParseFiles("templates/login.html")).ExecuteTemplate(w, "content", nil)
+		}
+	}
+}
+
+// TODO: Delete uuid from uuids
+func uuidIsOK(uuid string, uuids *[]string) bool {
+	for _, u := range *uuids {
+		if uuid == u {
+			return true
+		}
+	}
+	return false
+}

templates/login.html

@@ -0,0 +1,16 @@
+{{ define "content" }}
+<form>
+  <h2>Login</h2>
+
+  <label for="login-input">Code</label>
+  <input type="text" name="login" id="login-input" />
+
+  <button type="submit" hx-post="/external-login/" hx-target="#content">
+    Anmelden
+  </button>
+
+  <button type="submit" hx-post="/internal-login/" hx-target="#content">
+    Intern
+  </button>
+</form>
+{{ end }}