minor changes

frontend/webserver.go

@@ -34,8 +34,8 @@ func ssePing(writer *http.ResponseWriter) {
 // Reads globals.LatexExec
 func sseStatusSend(writer *http.ResponseWriter) {
 	fmt.Fprintf((*writer), "event: status\n")
-	fmt.Fprintf((*writer), "data: Execution Time:  %s<br>\n", globals.LatexExec.Timestamp)
-	fmt.Fprintf((*writer), "data: Execution State: %s<br>\n\n", globals.LatexExec.ExecutionState)
+	fmt.Fprintf((*writer), "data: Execution Time:<br>%s<br><br>\n", globals.LatexExec.Timestamp)
+	fmt.Fprintf((*writer), "data: Execution State:<br>%s<br>\n\n", globals.LatexExec.ExecutionState)
 
 	(*writer).(http.Flusher).Flush()
 	backend.LogLine("Status Event has been sent", 1)
@@ -85,24 +85,24 @@ func SSEventHandler(writer http.ResponseWriter, request *http.Request) {
 	ssePing(&writer)
 
 
-	lastExecution := ""
+	lastExecution := &globals.LatexExecution{}
 	for range time.Tick(time.Second) {
 		select {
-			case <-request.Context().Done():
-				return
-			default:
-				if lastExecution == globals.LatexExec.TimestampRFC {
-					ssePing(&writer)
-				} else {
-					sseStatusSend(&writer)
-					sseOutputSend(&writer)
-					// let client keep current pdf, if compile failed
-					if globals.LatexExec.ExecutionState != "Failed" {
-						ssePDFSend(&writer)
-					}
-					lastExecution = globals.LatexExec.TimestampRFC
+		case <-request.Context().Done():
+			return
+		default:
+			if lastExecution.Equal(&globals.LatexExec) {
+				ssePing(&writer)
+			} else {
+				sseStatusSend(&writer)
+				sseOutputSend(&writer)
+				// let client keep current pdf, if compile failed
+				if globals.LatexExec.ExecutionState != globals.LatexExecutionStateFailure {
+					ssePDFSend(&writer)
 				}
+				lastExecution = globals.LatexExec.Copy()
 			}
+		}
 	}
 }