impl: ldp remove ap using predicate

assignment/src/main/java/appointmentplanner/APFactory.java

@@ -28,8 +28,7 @@ public class APFactory implements AbstractAPFactory {
 
   @Override
   public LocalDayPlan createLocalDayPlan(LocalDay day, Instant start, Instant end) {
-    // TODO Return an instance of your class that implements LocalDayPlan
-    return null;
+    return new LocalDayPlanImpl(day, start, end);
   }
 
   @Override

assignment/src/main/java/appointmentplanner/AppointmentImpl.java

@@ -12,6 +12,13 @@ public class AppointmentImpl implements Appointment {
 
   private AppointmentRequest request;
 
+  public AppointmentImpl(Instant start, AppointmentRequest request) {
+    this.start = start;
+    this.request = request;
+
+    this.stop = start.plus(request.duration());
+  }
+
   @Override
   public Instant start() {
     return start;

assignment/src/main/java/appointmentplanner/LocalDayPlanImpl.java

@@ -3,6 +3,7 @@ package appointmentplanner;
 import java.time.Duration;
 import java.time.Instant;
 import java.time.LocalTime;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Optional;
 import java.util.function.Predicate;
@@ -15,11 +16,12 @@ import appointmentplanner.api.LocalDayPlan;
 import appointmentplanner.api.TimePreference;
 import appointmentplanner.api.TimeSlot;
 import appointmentplanner.customlist.CustomLinkedListImpl;
+import appointmentplanner.customlist.CustomListToJavaBinding;
 import appointmentplanner.customlist.api.CustomLinkedList;
 
 public class LocalDayPlanImpl implements LocalDayPlan {
 
-  private CustomLinkedList<AppointmentImpl> timeline = new CustomLinkedListImpl<>();
+  private CustomLinkedList<Appointment> timeline = new CustomLinkedListImpl<>();
 
   public LocalDayPlanImpl(LocalDay day, Instant start, Instant end) {
     this.day = day;
@@ -55,8 +57,7 @@ public class LocalDayPlanImpl implements LocalDayPlan {
 
   @Override
   public Optional<Appointment> addAppointment(AppointmentData appointmentData, LocalTime startTime) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'addAppointment'");
+    throw new UnsupportedOperationException();
   }
 
   @Override
@@ -67,20 +68,26 @@ public class LocalDayPlanImpl implements LocalDayPlan {
 
   @Override
   public AppointmentRequest removeAppointment(Appointment appointment) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'removeAppointment'");
+    Appointment removedItem = timeline.remove(appointment);
+    return removedItem == null ? null : removedItem.request();
   }
 
   @Override
   public List<AppointmentRequest> removeAppointments(Predicate<Appointment> filter) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'removeAppointments'");
+
+    CustomLinkedList<AppointmentRequest> removedRequests = new CustomLinkedListImpl<>();
+
+    for (Appointment appointment : timeline.removeFound(filter)) {
+      removedRequests.add(appointment.request());
+    }
+
+    return new CustomListToJavaBinding<>(removedRequests);
+
   }
 
   @Override
   public List<Appointment> appointments() {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'appointments'");
+    return new CustomListToJavaBinding<Appointment>(timeline);
   }
 
   @Override
@@ -119,20 +126,17 @@ public class LocalDayPlanImpl implements LocalDayPlan {
 
   @Override
   public List<Appointment> findAppointments(Predicate<Appointment> filter) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'findAppointments'");
+    return new CustomListToJavaBinding<>(timeline.find(filter));
   }
 
   @Override
   public boolean contains(Appointment appointment) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'contains'");
+    return timeline.contains(appointment);
   }
 
   @Override
   public int nrOfAppointments() {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'nrOfAppointments'");
+    return timeline.size();
   }
 
   @Override

assignment/src/main/java/appointmentplanner/customlist/CustomLinkedListImpl.java

@@ -1,6 +1,7 @@
 package appointmentplanner.customlist;
 
 import java.util.Iterator;
+import java.util.function.Predicate;
 
 import appointmentplanner.customlist.api.CustomLinkedList;
 
@@ -84,31 +85,32 @@ public class CustomLinkedListImpl<T> implements CustomLinkedList<T> {
   }
 
   @Override
-  public void remove(T item) {
+  public T remove(T item) {
 
     if (head == null) {
-      return;
+      return null;
     }
 
     if (head.getItem().equals(item)) {
       head = head.getNext();
-      return;
+      return item;
     }
 
     CustomLinkedListNode<T> beforeNode = traverseFind(head, item, ItemPosition.BEFORE);
 
     if (beforeNode == null) {
-      return;
+      return item;
     }
 
     CustomLinkedListNode<T> nodeToRemove = beforeNode.getNext();
 
     if (beforeNode.getNext() == null) {
       beforeNode.setNext(null);
-      return;
+      return item;
     }
 
     beforeNode.setNext(nodeToRemove.getNext());
+    return item;
   }
 
   @Override
@@ -172,4 +174,34 @@ public class CustomLinkedListImpl<T> implements CustomLinkedList<T> {
     return recursiveSizeCalc(this.head, 1);
   }
 
+  private CustomLinkedList<T> traverseFilter(Predicate<T> filter, CustomLinkedListNode<T> node,
+      CustomLinkedList<T> found) {
+
+    if (node == null) {
+      return found;
+    }
+
+    T item = node.getItem();
+
+    if (filter.test(item)) {
+      found.add(item);
+    }
+
+    return traverseFilter(filter, node.getNext(), found);
+  }
+
+  @Override
+  public CustomLinkedList<T> find(Predicate<T> filter) {
+    return traverseFilter(filter, head, new CustomLinkedListImpl<>());
+  }
+
+  @Override
+  public CustomLinkedList<T> removeFound(Predicate<T> filter) {
+    CustomLinkedList<T> items = find(filter);
+    for (T item : items) {
+      remove(item);
+    }
+    return items;
+  }
+
 }

assignment/src/main/java/appointmentplanner/customlist/CustomLinkedListIterator.java

@@ -17,6 +17,9 @@ public class CustomLinkedListIterator<T> implements Iterator<T> {
 
   @Override
   public boolean hasNext() {
+    if (lastNode == null) {
+      return false;
+    }
     return lastNode.getNext() != null;
   }