func handler(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "GET":
templates.ExecuteTemplate(w, "form.html", "")
case "POST":
if m, err := formInts(r, "pc", "lp"); err != nil {
log.Println(err)
} else {
exp := []sentinels.ExpansionType{}
for i, v := range expansions {
if r.FormValue(v) == "on" {
exp = append(exp, sentinels.ExpansionType(i))
}
}
r := &result{}
if len(exp) == 0 {
r.Msg = "No card set selected."
} else {
r.PC = m["pc"]
r.LP = m["lp"]
r.Nump = fmt.Sprintf("%d heroes", m["pc"])
var err error
if r.Setup, r.Iterations, err = sentinels.FindSetup(r.PC, r.LP, 10, exp); err != nil {
r.Msg = err.Error()
}
}
templates.ExecuteTemplate(w, "result.html", r)
}
default:
log.Printf("Unhandled method: %s", r.Method)
}
}