/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package app;
import java.util.List;
import app.ToDoItemAnalysis.DateRange;
import com.google.common.base.Objects;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import dom.todo.ToDoItem;
import dom.todo.ToDoItems;
import org.joda.time.DateTime;
import org.apache.isis.applib.AbstractViewModel;
import org.apache.isis.applib.annotation.*;
import org.apache.isis.applib.annotation.Render.Type;
import org.apache.isis.applib.services.clock.ClockService;
import org.apache.isis.applib.util.ObjectContracts;
@Named("By Date Range")
@Bookmarkable
@ViewModel
public class ToDoItemsByDateRangeViewModel
implements Comparable<ToDoItemsByDateRangeViewModel> {
//region > constructors
public ToDoItemsByDateRangeViewModel() {
}
public ToDoItemsByDateRangeViewModel(DateRange dateRange) {
setDateRange(dateRange);
}
//endregion
//region > dateRange (property)
private DateRange dateRange;
@Title
public DateRange getDateRange() {
return dateRange;
}
public void setDateRange(final DateRange dateRange) {
this.dateRange = dateRange;
}
//endregion
//region > count (derived property)
public int getCount() {
return getItemsNotYetComplete().size();
}
//endregion
//region > getItemsNotYetComplete (collection)
/**
* All those items {@link ToDoItems#notYetComplete() not yet complete}, for this {@link #getCategory() category}.
*/
@Render(Type.EAGERLY)
public List<ToDoItem> getItemsNotYetComplete() {
final List<ToDoItem> notYetComplete = toDoItems.notYetCompleteNoUi();
return Lists.newArrayList(Iterables.filter(notYetComplete, thoseInDateRange()));
}
private Predicate<ToDoItem> thoseInDateRange() {
return new Predicate<ToDoItem>() {
@Override
public boolean apply(ToDoItem t) {
return Objects.equal(dateRangeFor(t), getDateRange());
}
};
}
private DateRange dateRangeFor(final ToDoItem t) {
if(t.getDueBy() == null) {
return DateRange.Unknown;
}
final DateTime dueBy = t.getDueBy().toDateTimeAtStartOfDay();
final DateTime today = clockService.now().toDateTimeAtStartOfDay();
if(dueBy.isBefore(today)) {
return DateRange.OverDue;
}
if(dueBy.isBefore(today.plusDays(1))) {
return DateRange.Today;
}
if(dueBy.isBefore(today.plusDays(2))) {
return DateRange.Tomorrow;
}
if(dueBy.isBefore(today.plusDays(7))) {
return DateRange.ThisWeek;
}
return DateRange.Later;
}
//endregion
//region > compareTo
@Override
public int compareTo(ToDoItemsByDateRangeViewModel other) {
return ObjectContracts.compare(this, other, "dateRange");
}
//endregion
//region > injected services
@javax.inject.Inject
private ToDoItems toDoItems;
@javax.inject.Inject
private ClockService clockService;
//endregion
}