added period event

src/main/java/ru/ulstu/timeline/service/EventScheduler.java

@@ -31,7 +31,7 @@ public class EventScheduler {
     public void checkPeriodEvents() {
         log.debug("EventScheduler.checkPeriodEvents started");
         for (Event event : eventRepository.findAll()) {
-            if(halfOfThePariodHasPassed(event)){
+            if(halfOfThePeriodHasPassed(event)){
                 event.setCreateDate(Date.from((LocalDate.now().atStartOfDay(ZoneId.systemDefault()).toInstant())));
                 event.setBeginDate(DateUtils.addDays(event.getBeginDate(), event.getPeriod().getPeriod().getDays()));
                 event.setUpdateDate(null);
@@ -53,7 +53,7 @@ public class EventScheduler {
         log.debug("EventScheduler.checkPeriodEvents finished");
     }
 
-    private boolean halfOfThePariodHasPassed(Event event){
+    private boolean halfOfThePeriodHasPassed(Event event){
         if (Period.between(event.getBeginDate().toInstant().atZone(ZoneId.systemDefault()).toLocalDate(),
                 LocalDate.now()).getDays() <= event.getPeriod().getPeriod().getDays() / 2) {
             return true;