frontend: refactor submission handlers

frontend/settings.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"log"
+	"os"
+	"path"
+	"time"
+
+	fronttime "srs.epita.fr/fic-server/frontend/time"
+	"srs.epita.fr/fic-server/settings"
+)
+
+const startedFile = "started"
+
+var touchTimer *time.Timer = nil
+
+func touchStartedFile() {
+	if fd, err := os.Create(path.Join(SubmissionDir, startedFile)); err == nil {
+		log.Println("Started! Go, Go, Go!!")
+		fd.Close()
+	} else {
+		log.Fatal("Unable to start challenge:", err)
+	}
+}
+
+func reloadSettings(config settings.FICSettings) {
+	if fronttime.ChallengeStart != config.Start || fronttime.ChallengeEnd != config.End {
+		if touchTimer != nil {
+			touchTimer.Stop()
+		}
+		startSub := config.Start.Sub(time.Now())
+		if startSub > 0 {
+			log.Println("Challenge will starts at", config.Start, "in", startSub)
+
+			if _, err := os.Stat(path.Join(SubmissionDir, startedFile)); !os.IsNotExist(err) {
+				os.Remove(path.Join(SubmissionDir, startedFile))
+			}
+
+			touchTimer = time.AfterFunc(config.Start.Sub(time.Now().Add(time.Duration(1 * time.Second))), touchStartedFile)
+		} else {
+			log.Println("Challenge started at", config.Start, "since", -startSub)
+			touchStartedFile()
+		}
+		log.Println("Challenge ends on", config.End)
+
+		fronttime.ChallengeStart = config.Start
+		fronttime.ChallengeEnd = config.End
+	} else {
+		log.Println("Configuration reloaded, but start/end times doesn't change.")
+	}
+
+	enableResolutionRoute = config.EnableResolutionRoute
+	denyNameChange = config.DenyNameChange
+	allowRegistration = config.AllowRegistration
+}