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Account for any discrepancies in server time and client time

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pull/14/head
Sam Bosley 14 years ago
parent e99a2f1d8b
commit 59dead0ff9
1 changed files with 14 additions and 9 deletions
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23
astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmSyncService.java
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@ -609,7 +609,7 @@ public final class ActFmSyncService {
public void fetchTagDataDashboard(boolean manual, final Runnable done) {
invokeFetchList("goal", manual, null, new ListItemProcessor<TagData>() {
@Override
protected void mergeAndSave(JSONArray list, HashMap<Long,Long> locals) throws JSONException {
protected void mergeAndSave(JSONArray list, HashMap<Long,Long> locals, long serverTime) throws JSONException {
TagData remote = new TagData();
for(int i = 0; i < list.length(); i++) {
JSONObject item = list.getJSONObject(i);
@ -843,7 +843,7 @@ public final class ActFmSyncService {
private class UpdateListItemProcessor extends ListItemProcessor<Update> {
@Override
protected void mergeAndSave(JSONArray list, HashMap<Long,Long> locals) throws JSONException {
protected void mergeAndSave(JSONArray list, HashMap<Long,Long> locals, long serverTime) throws JSONException {
Update remote = new Update();
for(int i = 0; i < list.length(); i++) {
JSONObject item = list.getJSONObject(i);
@ -927,13 +927,13 @@ public final class ActFmSyncService {
abstract protected Class<TYPE> typeClass();
abstract protected void mergeAndSave(JSONArray list,
HashMap<Long,Long> locals) throws JSONException;
HashMap<Long,Long> locals, long serverTime) throws JSONException;
public void process(JSONArray list) throws JSONException {
public void process(JSONArray list, long serverTime) throws JSONException {
readRemoteIds(list);
synchronized (typeClass()) {
HashMap<Long, Long> locals = getLocalModels();
mergeAndSave(list, locals);
mergeAndSave(list, locals, serverTime);
}
}
@ -984,17 +984,21 @@ public final class ActFmSyncService {
}
@Override
protected void mergeAndSave(JSONArray list, HashMap<Long,Long> locals) throws JSONException {
protected void mergeAndSave(JSONArray list, HashMap<Long,Long> locals, long serverTime) throws JSONException {
Task remote = new Task();
ArrayList<Metadata> metadata = new ArrayList<Metadata>();
HashSet<Long> ids = new HashSet<Long>(list.length());
long timeDelta = serverTime == 0 ? 0 : DateUtilities.now() - serverTime * 1000;
for(int i = 0; i < list.length(); i++) {
JSONObject item = list.getJSONObject(i);
readIds(locals, item, remote);
long serverModificationDate = item.optLong("updated_at") * 1000;
if (serverModificationDate > 0 && modificationDates.containsKey(remote.getId()) && serverModificationDate < modificationDates.get(remote.getId())) {
if (serverModificationDate > 0 && modificationDates.containsKey(remote.getId())
&& serverModificationDate < (modificationDates.get(remote.getId()) - timeDelta)) {
ids.add(remote.getId());
continue; // Modified locally more recently than remotely -- don't overwrite changes
}
@ -1069,9 +1073,10 @@ public final class ActFmSyncService {
JSONObject result = null;
try {
result = actFmInvoker.invoke(model + "_list", getParams);
long serverTime = result.optLong("time", 0);
JSONArray list = result.getJSONArray("list");
processor.process(list);
Preferences.setLong("actfm_time_" + lastSyncKey, result.optLong("time", 0));
processor.process(list, serverTime);
Preferences.setLong("actfm_time_" + lastSyncKey, serverTime);
Preferences.setLong("actfm_last_" + lastSyncKey, DateUtilities.now());
if(done != null)

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