mirror of
https://github.com/moparisthebest/mail
synced 2024-11-10 11:15:01 -05:00
Merge remote-tracking branch 'origin/dev/sliding-window-sync'
This commit is contained in:
commit
df34db590b
@ -386,31 +386,29 @@ define(function(require) {
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}
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}
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function doImapDelta() {
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function doImapDelta() {
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self._imapListMessages({
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self._imapSearch({
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folder: folder.path
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folder: folder.path
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}, function(err, headers) {
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}, function(err, uids) {
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if (err) {
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if (err) {
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self._account.busy = false;
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self._account.busy = false;
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callback(err);
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callback(err);
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return;
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return;
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}
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}
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// ignore non-whitelisted mails
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// uidWrappers is just to wrap the bare uids in an object { uid: 123 } so
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var nonWhitelisted = _.filter(headers, function(header) {
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// the checkDelta function can treat it like something that resembles a stripped down email object...
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return header.subject.indexOf(str.subjectPrefix) === -1;
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var uidWrappers = _.map(uids, function(uid) {
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});
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return {
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nonWhitelisted.forEach(function(i) {
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uid: uid
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headers.splice(headers.indexOf(i), 1);
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};
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});
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});
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/*
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/*
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* delta3: memory > imap => we deleted messages directly from the remote, remove from memory and storage
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* delta3: memory > imap => we deleted messages directly from the remote, remove from memory and storage
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* delta4: imap > memory => we have new messages available, fetch to memory and storage
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* delta4: imap > memory => we have new messages available, fetch to memory and storage
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* deltaF4: imap > memory => we changed flags directly on the remote, sync them to the storage and memory
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*/
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*/
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delta3 = checkDelta(folder.messages, headers);
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delta3 = checkDelta(folder.messages, uidWrappers);
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delta4 = checkDelta(headers, folder.messages);
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delta4 = checkDelta(uidWrappers, folder.messages);
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deltaF4 = checkFlags(headers, folder.messages);
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doDelta3();
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doDelta3();
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@ -451,22 +449,36 @@ define(function(require) {
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// we have new messages available, fetch to memory and storage
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// we have new messages available, fetch to memory and storage
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// (downstream sync)
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// (downstream sync)
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function doDelta4() {
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function doDelta4() {
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// eliminate uids smaller than the biggest local uid, i.e. just fetch everything
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// that came in AFTER the most recent email we have in memory. Keep in mind that
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// uids are strictly ascending, so there can't be a NEW mail in the mailbox with a
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// uid smaller than anything we've encountered before.
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if (!_.isEmpty(folder.messages)) {
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var localUids = _.pluck(folder.messages, 'uid'),
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maxLocalUid = Math.max.apply(null, localUids);
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// eliminate everything prior to maxLocalUid
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delta4 = _.filter(delta4, function(uidWrapper) {
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return uidWrapper.uid > maxLocalUid;
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});
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}
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syncNextItem();
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function syncNextItem() {
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// no delta, we're done here
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// no delta, we're done here
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if (_.isEmpty(delta4)) {
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if (_.isEmpty(delta4)) {
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doDeltaF4();
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doDeltaF4();
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return;
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return;
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}
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}
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var after = _.after(delta4.length, function() {
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doDeltaF4();
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});
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// delta4 contains the headers that are newly available on the remote
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// delta4 contains the headers that are newly available on the remote
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delta4.forEach(function(imapHeader) {
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var nextUidWrapper = delta4.shift();
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// get the whole message
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// get the whole message
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self._imapGetMessage({
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self._imapGetMessage({
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folder: folder.path,
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folder: folder.path,
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uid: imapHeader.uid
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uid: nextUidWrapper.uid
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}, function(err, message) {
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}, function(err, message) {
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if (err) {
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if (err) {
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self._account.busy = false;
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self._account.busy = false;
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@ -474,22 +486,22 @@ define(function(require) {
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return;
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return;
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}
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}
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// create a bastard child of smtp and imap.
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// imap filtering may not be sufficient, since google filters out
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// before thinking this is stupid, talk to the guys who wrote this.
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// non-alphabetical characters
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imapHeader.id = message.id;
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if (message.subject.indexOf(str.subjectPrefix) === -1) {
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imapHeader.body = message.body;
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syncNextItem();
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imapHeader.html = message.html;
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return;
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imapHeader.attachments = message.attachments;
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}
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if (isVerificationMail(imapHeader)) {
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if (isVerificationMail(message)) {
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verify(imapHeader, function(err) {
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verify(message, function(err) {
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if (err) {
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if (err) {
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self._account.busy = false;
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self._account.busy = false;
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callback(err);
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callback(err);
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return;
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return;
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}
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}
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after();
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syncNextItem();
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});
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});
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return;
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return;
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}
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}
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@ -497,7 +509,7 @@ define(function(require) {
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// add the encrypted message to the local storage
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// add the encrypted message to the local storage
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self._localStoreMessages({
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self._localStoreMessages({
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folder: folder.path,
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folder: folder.path,
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emails: [imapHeader]
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emails: [message]
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}, function(err) {
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}, function(err) {
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if (err) {
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if (err) {
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self._account.busy = false;
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self._account.busy = false;
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@ -506,7 +518,7 @@ define(function(require) {
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}
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}
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// decrypt and add to folder in memory
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// decrypt and add to folder in memory
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handleMessage(imapHeader, function(err, cleartextMessage) {
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handleMessage(message, function(err, cleartextMessage) {
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if (err) {
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if (err) {
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self._account.busy = false;
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self._account.busy = false;
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callback(err);
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callback(err);
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@ -514,40 +526,109 @@ define(function(require) {
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}
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}
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folder.messages.push(cleartextMessage);
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folder.messages.push(cleartextMessage);
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after();
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syncNextItem();
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});
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});
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});
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});
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});
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});
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});
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}
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}
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}
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});
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// we have a mismatch concerning flags between imap and memory.
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// pull changes from imap.
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function doDeltaF4() {
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function doDeltaF4() {
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function finishSync() {
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var answeredUids, unreadUids;
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getUnreadUids();
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// find all the relevant unread mails
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function getUnreadUids() {
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self._imapSearch({
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folder: folder.path,
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unread: true
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}, function(err, uids) {
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if (err) {
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self._account.busy = false;
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self._account.busy = false;
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folder.count = _.filter(folder.messages, function(msg) {
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callback(err);
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return msg.unread === true;
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return;
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}).length;
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callback();
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}
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}
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// we're done here, let's get all the answered mails
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unreadUids = uids;
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getAnsweredUids();
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});
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}
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// find all the relevant answered mails
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function getAnsweredUids() {
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// find all the relevant answered mails
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self._imapSearch({
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folder: folder.path,
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answered: true
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}, function(err, uids) {
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if (err) {
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self._account.busy = false;
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callback(err);
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return;
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}
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// we're done here, let's update what we have in memory and persist that!
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answeredUids = uids;
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updateFlags();
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});
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}
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function updateFlags() {
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// deltaF4: imap > memory => we changed flags directly on the remote, sync them to the storage and memory
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deltaF4 = [];
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folder.messages.forEach(function(msg) {
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// if the message's uid is among the uids that should be unread,
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// AND the message is not unread, we clearly have to change that
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var shouldBeUnread = _.contains(unreadUids, msg.uid);
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if (msg.unread === shouldBeUnread) {
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// everything is in order, we're good here
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return;
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}
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msg.unread = shouldBeUnread;
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deltaF4.push(msg);
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});
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folder.messages.forEach(function(msg) {
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// if the message's uid is among the uids that should be answered,
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// AND the message is not answered, we clearly have to change that
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var shouldBeAnswered = _.contains(answeredUids, msg.uid);
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if (msg.answered === shouldBeAnswered) {
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// everything is in order, we're good here
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return;
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}
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msg.answered = shouldBeAnswered;
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deltaF4.push(msg);
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});
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// maybe a mail had BOTH flags wrong, so let's create
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// a duplicate-free version of deltaF4
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deltaF4 = _.uniq(deltaF4);
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// everything up to date? fine, we're done!
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if (_.isEmpty(deltaF4)) {
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if (_.isEmpty(deltaF4)) {
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finishSync();
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finishSync();
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return;
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return;
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}
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}
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var after = _.after(deltaF4.length, function() {
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var after = _.after(deltaF4.length, function() {
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// we're doing updating everything
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finishSync();
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finishSync();
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});
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});
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// deltaF4 contains the imap headers that have changed flags
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// alright, so let's sync the corrected messages
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deltaF4.forEach(function(imapHeader) {
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deltaF4.forEach(function(inMemoryMessage) {
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// do a short round trip to the database to avoid re-encrypting,
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// do a short round trip to the database to avoid re-encrypting,
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// instead use the encrypted object in the storage
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// instead use the encrypted object in the storage
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self._localListMessages({
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self._localListMessages({
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folder: folder.path,
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folder: folder.path,
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uid: imapHeader.uid
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uid: inMemoryMessage.uid
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}, function(err, storedMessages) {
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}, function(err, storedMessages) {
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if (err) {
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if (err) {
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self._account.busy = false;
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self._account.busy = false;
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@ -556,9 +637,10 @@ define(function(require) {
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}
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}
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var storedMessage = storedMessages[0];
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var storedMessage = storedMessages[0];
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storedMessage.unread = imapHeader.unread;
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storedMessage.unread = inMemoryMessage.unread;
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storedMessage.answered = imapHeader.answered;
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storedMessage.answered = inMemoryMessage.answered;
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// persist the modified object
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self._localStoreMessages({
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self._localStoreMessages({
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folder: folder.path,
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folder: folder.path,
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emails: [storedMessage]
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emails: [storedMessage]
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@ -569,19 +651,24 @@ define(function(require) {
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return;
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return;
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}
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}
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// after the metadata of the encrypted object has changed, proceed with the live object
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// and we're done.
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var inMemoryMessage = _.findWhere(folder.messages, {
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uid: imapHeader.uid
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});
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inMemoryMessage.unread = imapHeader.unread;
|
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inMemoryMessage.answered = imapHeader.answered;
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|
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after();
|
after();
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});
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});
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});
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});
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|
|
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});
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});
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}
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}
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});
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|
function finishSync() {
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|
// after all the tags are up to date, let's adjust the unread mail count
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|
folder.count = _.filter(folder.messages, function(msg) {
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|
return msg.unread === true;
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|
}).length;
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|
// allow the next sync to take place
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|
self._account.busy = false;
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|
callback();
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|
}
|
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|
}
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}
|
}
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|
|
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/*
|
/*
|
||||||
@ -959,10 +1046,13 @@ define(function(require) {
|
|||||||
};
|
};
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* List messages from an imap folder. This will not yet fetch the email body.
|
* Returns the relevant messages corresponding to the search terms in the options
|
||||||
* @param {String} options.folderName The name of the imap folder.
|
* @param {String} options.folder The folder's path
|
||||||
|
* @param {Boolean} options.answered (optional) Mails with or without the \Answered flag set.
|
||||||
|
* @param {Boolean} options.unread (optional) Mails with or without the \Seen flag set.
|
||||||
|
* @param {Function} callback(error, uids) invoked with the uids of messages matching the search terms, or an error object if an error occurred
|
||||||
*/
|
*/
|
||||||
EmailDAO.prototype._imapListMessages = function(options, callback) {
|
EmailDAO.prototype._imapSearch = function(options, callback) {
|
||||||
if (!this._imapClient) {
|
if (!this._imapClient) {
|
||||||
callback({
|
callback({
|
||||||
errMsg: 'Client is currently offline!',
|
errMsg: 'Client is currently offline!',
|
||||||
@ -971,11 +1061,19 @@ define(function(require) {
|
|||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
this._imapClient.listMessages({
|
var o = {
|
||||||
path: options.folder,
|
path: options.folder,
|
||||||
offset: 0,
|
subject: str.subjectPrefix
|
||||||
length: 100
|
};
|
||||||
}, callback);
|
|
||||||
|
if (typeof options.answered !== 'undefined') {
|
||||||
|
o.answered = options.answered;
|
||||||
|
}
|
||||||
|
if (typeof options.unread !== 'undefined') {
|
||||||
|
o.unread = options.unread;
|
||||||
|
}
|
||||||
|
|
||||||
|
this._imapClient.search(o, callback);
|
||||||
};
|
};
|
||||||
|
|
||||||
EmailDAO.prototype._imapDeleteMessage = function(options, callback) {
|
EmailDAO.prototype._imapDeleteMessage = function(options, callback) {
|
||||||
@ -998,6 +1096,8 @@ define(function(require) {
|
|||||||
* @param {String} options.messageId The
|
* @param {String} options.messageId The
|
||||||
*/
|
*/
|
||||||
EmailDAO.prototype._imapGetMessage = function(options, callback) {
|
EmailDAO.prototype._imapGetMessage = function(options, callback) {
|
||||||
|
var self = this;
|
||||||
|
|
||||||
if (!this._imapClient) {
|
if (!this._imapClient) {
|
||||||
callback({
|
callback({
|
||||||
errMsg: 'Client is currently offline!',
|
errMsg: 'Client is currently offline!',
|
||||||
@ -1006,10 +1106,37 @@ define(function(require) {
|
|||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
this._imapClient.getMessagePreview({
|
self._imapClient.listMessagesByUid({
|
||||||
|
path: options.folder,
|
||||||
|
firstUid: options.uid,
|
||||||
|
lastUid: options.uid
|
||||||
|
}, function(err, imapHeaders) {
|
||||||
|
if (err) {
|
||||||
|
callback(err);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
var imapHeader = imapHeaders[0];
|
||||||
|
self._imapClient.getMessagePreview({
|
||||||
path: options.folder,
|
path: options.folder,
|
||||||
uid: options.uid
|
uid: options.uid
|
||||||
}, callback);
|
}, function(err, message) {
|
||||||
|
if (err) {
|
||||||
|
callback(err);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
// create a bastard child of smtp and imap. before thinking this is stupid, talk to the guys who wrote this.
|
||||||
|
// p.s. it's a parsing issue.
|
||||||
|
|
||||||
|
imapHeader.id = message.id;
|
||||||
|
imapHeader.body = message.body;
|
||||||
|
imapHeader.html = message.html;
|
||||||
|
imapHeader.attachments = message.attachments;
|
||||||
|
|
||||||
|
callback(null, imapHeader);
|
||||||
|
});
|
||||||
|
});
|
||||||
};
|
};
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
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Reference in New Issue
Block a user