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Fix IMAP delete handling 

When a message is flagged as deleted on the server, but is not yet purged,
we'll see it syncing down with a deleted flag. This change treats that
condition as if the message has been fully deleted.

Also fix a copy/paste error for cleaning up the message modification tables.

b/12367845
b/13137235

Change-Id: Ic741dedc10251775a7afdce171d59efbd2cf1a5f
This commit is contained in:
Tony Mantler 2014-02-21 14:43:27 -08:00
parent da2582c9f4
commit 220dc1bf57
1 changed files with 30 additions and 11 deletions
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41
src/com/android/email/service/ImapService.java
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@ -311,10 +311,18 @@ public class ImapService extends Service {
try {
// Determine if the new message was already known (e.g. partial)
// And create or reload the full message info
LocalMessageInfo localMessageInfo =
localMapCopy.get(message.getUid());
EmailContent.Message localMessage;
if (localMessageInfo == null) {
final LocalMessageInfo localMessageInfo =
localMapCopy.get(message.getUid());
final boolean localExists = localMessageInfo != null;
if (!localExists && message.isSet(Flag.DELETED)) {
// This is a deleted message that we don't have locally, so don't
// create it
return;
}
final EmailContent.Message localMessage;
if (!localExists) {
localMessage = new EmailContent.Message();
} else {
localMessage = EmailContent.Message.restoreMessageWithId(
@ -457,6 +465,8 @@ public class ImapService extends Service {
// TODO - this comment was here, but no code was here.
// 4. Get the number of messages on the server.
// TODO: this value includes deleted but unpurged messages, and so slightly mismatches
// the contents of our DB since we drop deleted messages. Figure out what to do about this.
final int remoteMessageCount = remoteFolder.getMessageCount();
// 5. Save folder message count locally.
@ -673,6 +683,15 @@ public class ImapService extends Service {
}
}
// 12.5 Remove messages that are marked as deleted so that we drop them from the DB in the
// next step
for (final Message remoteMessage : remoteMessages) {
if (remoteMessage.isSet(Flag.DELETED)) {
remoteUidMap.remove(remoteMessage.getUid());
unsyncedMessages.remove(remoteMessage);
}
}
// 13. Remove messages that are in the local store and in the current sync window,
// but no longer on the remote store. Note that localMessageMap can contain messages
// that are not actually in our sync window. We need to check the timestamp to ensure
@ -686,17 +705,17 @@ public class ImapService extends Service {
AttachmentUtilities.deleteAllAttachmentFiles(context, account.mId, info.mId);
// Delete the message itself
Uri uriToDelete = ContentUris.withAppendedId(
final Uri uriToDelete = ContentUris.withAppendedId(
EmailContent.Message.CONTENT_URI, info.mId);
resolver.delete(uriToDelete, null, null);
// Delete extra rows (e.g. synced or deleted)
Uri syncRowToDelete = ContentUris.withAppendedId(
// Delete extra rows (e.g. updated or deleted)
final Uri updateRowToDelete = ContentUris.withAppendedId(
EmailContent.Message.UPDATED_CONTENT_URI, info.mId);
resolver.delete(syncRowToDelete, null, null);
Uri deletERowToDelete = ContentUris.withAppendedId(
EmailContent.Message.UPDATED_CONTENT_URI, info.mId);
resolver.delete(deletERowToDelete, null, null);
resolver.delete(updateRowToDelete, null, null);
final Uri deleteRowToDelete = ContentUris.withAppendedId(
EmailContent.Message.DELETED_CONTENT_URI, info.mId);
resolver.delete(deleteRowToDelete, null, null);
}
}