Update widget when tasks unhidden or overdue

Closes #65
Closes #63

api/src/main/java/com/todoroo/astrid/data/TaskApiDao.java

@@ -27,7 +27,7 @@ public class TaskApiDao {
 
         /** @return tasks that are not hidden at current time */
         public static Criterion isVisible() {
-            return Task.HIDE_UNTIL.lt(Functions.now());
+            return Task.HIDE_UNTIL.lte(Functions.now());
         }
     }
 

astrid/src/main/AndroidManifest.xml

@@ -201,6 +201,8 @@
 
         <receiver android:name="com.todoroo.astrid.reminders.Notifications" />
 
+        <receiver android:name="org.tasks.scheduling.RefreshScheduler" />
+
         <receiver android:name="com.todoroo.astrid.reminders.Notifications$ShowNotificationReceiver">
             <intent-filter>
                 <action android:name="org.tasks.IN_APP_NOTIFY" />

astrid/src/main/java/com/todoroo/astrid/reminders/ReminderSchedulingService.java

@@ -10,10 +10,14 @@ import android.content.Intent;
 import android.os.IBinder;
 import android.util.Log;
 
+import com.todoroo.andlib.service.Autowired;
 import com.todoroo.andlib.service.ContextManager;
+import com.todoroo.andlib.service.DependencyInjectionService;
 import com.todoroo.andlib.utility.AndroidUtilities;
 import com.todoroo.astrid.alarms.AlarmService;
 
+import org.tasks.scheduling.RefreshScheduler;
+
 /**
  * Schedules reminders in the background to prevent ANR's
  *
@@ -22,6 +26,13 @@ import com.todoroo.astrid.alarms.AlarmService;
  */
 public class ReminderSchedulingService extends Service {
 
+    @Autowired
+    private RefreshScheduler refreshScheduler;
+
+    public ReminderSchedulingService() {
+        DependencyInjectionService.getInstance().inject(this);
+    }
+
     /** Receive the alarm - start the synchronize service! */
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
@@ -32,7 +43,6 @@ public class ReminderSchedulingService extends Service {
             public void run() {
                 delaySchedulingToPreventANRs();
                 scheduleReminders();
-
                 stopSelf();
             }
         }).start();
@@ -44,10 +54,13 @@ public class ReminderSchedulingService extends Service {
         try {
             ReminderService.getInstance().scheduleAllAlarms();
             AlarmService.getInstance().scheduleAllAlarms();
+            refreshScheduler.scheduleAllAlarms();
+
         } catch (Exception e) {
             Log.e("reminder-scheduling", "reminder-startup", e);
         }
     }
+
     private void delaySchedulingToPreventANRs() {
         AndroidUtilities.sleepDeep(5000L);
     }
@@ -56,5 +69,4 @@ public class ReminderSchedulingService extends Service {
     public IBinder onBind(Intent intent) {
         return null;
     }
-
 }

astrid/src/main/java/com/todoroo/astrid/service/AstridDependencyInjector.java

@@ -28,6 +28,7 @@ import com.todoroo.astrid.utility.Constants;
 
 import org.tasks.Broadcaster;
 import org.tasks.filters.FilterCounter;
+import org.tasks.scheduling.RefreshScheduler;
 
 /**
  * Astrid application dependency injector loads classes in Astrid with the
@@ -88,6 +89,7 @@ public class AstridDependencyInjector extends AbstractDependencyInjector {
         injectables.put("broadcaster", Broadcaster.class);
 
         injectables.put("filterCounter", FilterCounter.class);
+        injectables.put("refreshScheduler", RefreshScheduler.class);
 
         // these make reference to fields defined above
         injectables.put("errorReporters", new ErrorReporter[] {

astrid/src/main/java/com/todoroo/astrid/service/TaskService.java

@@ -41,6 +41,7 @@ import com.todoroo.astrid.utility.TitleParser;
 
 import org.tasks.Broadcaster;
 import org.tasks.filters.FilterCounter;
+import org.tasks.scheduling.RefreshScheduler;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -82,6 +83,9 @@ public class TaskService {
     @Autowired
     private FilterCounter filterCounter;
 
+    @Autowired
+    private RefreshScheduler refreshScheduler;
+
     public TaskService() {
         DependencyInjectionService.getInstance().inject(this);
     }
@@ -121,6 +125,7 @@ public class TaskService {
     public void save(Task item) {
         taskDao.save(item);
         broadcastFilterListUpdated();
+        refreshScheduler.scheduleRefresh(item);
     }
 
     private void saveWithoutPublishingFilterUpdate(Task item) {

astrid/src/main/java/org/tasks/Broadcaster.java

@@ -10,7 +10,11 @@ public class Broadcaster {
     public void sendOrderedBroadcast(Intent intent) {
         Context context = ContextManager.getContext();
         if (context != null) {
-            context.sendOrderedBroadcast(intent, null);
+            sendOrderedBroadcast(context, intent);
+        }
     }
+
+    public void sendOrderedBroadcast(Context context, Intent intent) {
+        context.sendOrderedBroadcast(intent, null);
     }
 }

astrid/src/main/java/org/tasks/scheduling/RefreshScheduler.java

@@ -0,0 +1,91 @@
+package org.tasks.scheduling;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+import com.todoroo.andlib.data.Property;
+import com.todoroo.andlib.data.TodorooCursor;
+import com.todoroo.andlib.service.Autowired;
+import com.todoroo.andlib.service.ContextManager;
+import com.todoroo.andlib.service.DependencyInjectionService;
+import com.todoroo.andlib.sql.Criterion;
+import com.todoroo.andlib.sql.Query;
+import com.todoroo.astrid.api.AstridApiConstants;
+import com.todoroo.astrid.dao.TaskDao;
+import com.todoroo.astrid.data.Task;
+
+import org.joda.time.DateTime;
+import org.tasks.Broadcaster;
+
+import static android.app.PendingIntent.FLAG_UPDATE_CURRENT;
+import static org.tasks.date.DateTimeUtils.currentTimeMillis;
+
+public class RefreshScheduler extends BroadcastReceiver {
+
+    private static final String TAG = "RefreshScheduler";
+
+    @Autowired
+    private TaskDao taskDao;
+
+    @Autowired
+    private Broadcaster broadcaster;
+
+    private static final Property<?>[] REFRESH_PROPERTIES = new Property<?>[]{
+            Task.DUE_DATE,
+            Task.HIDE_UNTIL
+    };
+
+    public RefreshScheduler() {
+        DependencyInjectionService.getInstance().inject(this);
+    }
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        broadcaster.sendOrderedBroadcast(context, new Intent(AstridApiConstants.BROADCAST_EVENT_TASK_LIST_UPDATED));
+        broadcaster.sendOrderedBroadcast(context, new Intent(AstridApiConstants.BROADCAST_EVENT_FILTER_LIST_UPDATED));
+    }
+
+    public void scheduleAllAlarms() {
+        TodorooCursor<Task> cursor = getTasks();
+        try {
+            Task task = new Task();
+            for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
+                task.readFromCursor(cursor);
+                scheduleRefresh(task);
+            }
+        } finally {
+            cursor.close();
+        }
+    }
+
+    public void scheduleRefresh(Task task) {
+        if (task.containsValue(Task.DUE_DATE)) {
+            scheduleRefresh(task.getDueDate());
+        }
+        if (task.containsValue(Task.HIDE_UNTIL)) {
+            scheduleRefresh(task.getHideUntil());
+        }
+    }
+
+    private void scheduleRefresh(Long dueDate) {
+        dueDate += 1000; // this is ghetto
+        Context context = ContextManager.getContext();
+        Intent intent = new Intent(context, RefreshScheduler.class);
+        intent.setAction(Long.toString(dueDate));
+        AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, FLAG_UPDATE_CURRENT);
+        am.set(AlarmManager.RTC, dueDate, pendingIntent);
+    }
+
+    private TodorooCursor<Task> getTasks() {
+        long now = currentTimeMillis();
+        return taskDao.query(Query.select(REFRESH_PROPERTIES).where(Criterion.and(
+                TaskDao.TaskCriteria.isActive(),
+                TaskDao.TaskCriteria.ownedByMe(),
+                Criterion.or(Task.HIDE_UNTIL.gt(now), Task.DUE_DATE.gt(now)))));
+    }
+}