validate time frame

Author: burdo

src/main/java/de/kaleidox/workbench/model/entry/Timeframe.java

@@ -0,0 +1,13 @@
+package de.kaleidox.workbench.model.entry;
+
+import java.time.LocalDateTime;
+
+public interface Timeframe {
+    static void validateTimeframe(LocalDateTime startTime, LocalDateTime endTime) {
+        if (startTime.isAfter(endTime)) throw new IllegalArgumentException("Start Time cannot be after End Time");
+    }
+
+    LocalDateTime getStartTime();
+
+    LocalDateTime getEndTime();
+}

src/main/java/de/kaleidox/workbench/model/jpa/timetable/Assignment.java

@@ -1,6 +1,7 @@
 package de.kaleidox.workbench.model.jpa.timetable;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import de.kaleidox.workbench.model.entry.Timeframe;
 import de.kaleidox.workbench.model.jpa.representant.User;
 import de.kaleidox.workbench.repo.UserRepository;
 import de.kaleidox.workbench.util.ApplicationContextProvider;
@@ -16,7 +17,7 @@
 @Data
 @Embeddable
 @EqualsAndHashCode(of = "user")
-public class Assignment {
+public class Assignment implements Timeframe {
     public static Assignment parse(String parse) {
         var split    = parse.split(": *");
         var username = split[0];
@@ -52,5 +53,9 @@ public record CreateData(
             @Nullable LocalDateTime startTime,
             @Nullable LocalDateTime endTime,
             @Nullable String notes
-    ) {}
+    ) {
+        public CreateData {
+            if (startTime != null && endTime != null) Timeframe.validateTimeframe(startTime, endTime);
+        }
+    }
 }

src/main/java/de/kaleidox/workbench/model/jpa/timetable/TimetableEntry.java

@@ -1,6 +1,7 @@
 package de.kaleidox.workbench.model.jpa.timetable;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import de.kaleidox.workbench.model.entry.Timeframe;
 import de.kaleidox.workbench.model.jpa.representant.User;
 import de.kaleidox.workbench.model.jpa.representant.customer.Customer;
 import de.kaleidox.workbench.model.jpa.representant.customer.Department;
@@ -27,7 +28,7 @@
 @Entity
 @IdClass(TimetableEntry.CompositeKey.class)
 @EqualsAndHashCode(of = { "customer", "department", "startTime" })
-public class TimetableEntry {
+public class TimetableEntry implements Timeframe {
     public static final DateTimeFormatter DATE_FORMATTER = ofPattern("EE dd.MM.yy");
     public static final DateTimeFormatter HOUR_FORMATTER = ofPattern("HH:mm");
     @Id @ManyToOne      Customer          customer;
@@ -90,5 +91,9 @@ public record CreateData(
             @NotNull LocalDateTime startTime,
             @NotNull LocalDateTime endTime,
             @Nullable String notes
-    ) {}
+    ) {
+        public CreateData {
+            Timeframe.validateTimeframe(startTime, endTime);
+        }
+    }
 }