From 75d3016177e3363cc1a2b4c049f3c8037abbce99 Mon Sep 17 00:00:00 2001
From: Sam Bosley <sboz88@gmail.com>
Date: Wed, 7 Sep 2011 17:12:04 -0700
Subject: [PATCH] Do full sync on c2dm receive

Updates to timing intervals between sync tries

Synchronized queue of failed pushes
---
 astrid/plugin-src/com/timsu/astrid/C2DMReceiver.java | 10 +++++++++-
 .../todoroo/astrid/actfm/sync/ActFmSyncService.java  | 12 +++++++++---
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/astrid/plugin-src/com/timsu/astrid/C2DMReceiver.java b/astrid/plugin-src/com/timsu/astrid/C2DMReceiver.java
index 19358794a..cc54b8d2b 100644
--- a/astrid/plugin-src/com/timsu/astrid/C2DMReceiver.java
+++ b/astrid/plugin-src/com/timsu/astrid/C2DMReceiver.java
@@ -24,6 +24,8 @@ import com.todoroo.andlib.sql.QueryTemplate;
 import com.todoroo.andlib.utility.DateUtilities;
 import com.todoroo.andlib.utility.Preferences;
 import com.todoroo.astrid.actfm.TagViewActivity;
+import com.todoroo.astrid.actfm.sync.ActFmPreferenceService;
+import com.todoroo.astrid.actfm.sync.ActFmSyncProvider;
 import com.todoroo.astrid.actfm.sync.ActFmSyncService;
 import com.todoroo.astrid.activity.ShortcutActivity;
 import com.todoroo.astrid.activity.TaskListActivity;
@@ -50,10 +52,13 @@ public class C2DMReceiver extends BroadcastReceiver {
     private static final String PREF_REGISTRATION = "c2dm_key";
     private static final String PREF_LAST_C2DM = "c2dm_last";
 
+    private static final long FULL_SYNC_TIME_INTERVAL = 5000 * 60; // Min 5 minutes between full syncs
+
     @Autowired ActFmSyncService actFmSyncService;
     @Autowired TaskService taskService;
     @Autowired TagDataService tagDataService;
     @Autowired UpdateDao updateDao;
+    @Autowired ActFmPreferenceService actFmPreferenceService;
 
     static {
         AstridDependencyInjector.initialize();
@@ -70,7 +75,10 @@ public class C2DMReceiver extends BroadcastReceiver {
                 @Override
                 public void run() {
                     if(intent.hasExtra("web_update"))
-                        handleWebUpdate(intent);
+                        if (DateUtilities.now() - actFmPreferenceService.getLastSyncDate() > FULL_SYNC_TIME_INTERVAL)
+                            new ActFmSyncProvider().synchronize(ContextManager.getContext());
+                        else
+                            handleWebUpdate(intent);
                     else
                         handleMessage(intent);
                 }
diff --git a/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmSyncService.java b/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmSyncService.java
index fe743af9d..adbfee731 100644
--- a/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmSyncService.java
+++ b/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmSyncService.java
@@ -6,9 +6,11 @@ package com.todoroo.astrid.actfm.sync;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedList;
+import java.util.List;
 import java.util.Queue;
 
 import org.apache.http.entity.mime.MultipartEntity;
@@ -82,27 +84,31 @@ public final class ActFmSyncService {
     @Autowired UpdateDao updateDao;
     @Autowired MetadataDao metadataDao;
 
+    public static final long TIME_BETWEEN_TRIES = 5000 * 60; // 5 minutes between tries for failed pushes
+
     private String token;
 
     public ActFmSyncService() {
         DependencyInjectionService.getInstance().inject(this);
     }
 
-    private final Queue<Long> failedPushes = new LinkedList<Long>();
+    private final List<Long> failedPushes = Collections.synchronizedList(new LinkedList<Long>());
 
     public void initialize() {
         new Thread(new Runnable() {
             public void run() {
                 while (true) {
-                    AndroidUtilities.sleepDeep(5000 * 60); // 5 minutes between tries
+                    AndroidUtilities.sleepDeep(TIME_BETWEEN_TRIES);
                     if(failedPushes.size() > 0) {
                         Queue<Long> toTry = new LinkedList<Long>(); // Copy into a second queue so we don't end up infinitely retrying in the same loop
                         while(failedPushes.size() > 0) {
-                            toTry.add(failedPushes.remove());
+                            toTry.add(failedPushes.remove(0));
                         }
                         while(toTry.size() > 0) {
                             if (!actFmPreferenceService.isOngoing()) {
                                 pushTask(toTry.remove());
+                            } else { // If normal sync ongoing/starts, let it deal with remaining sync
+                                break;
                             }
                         }
                     }