368 lines
12 KiB
JavaScript
368 lines
12 KiB
JavaScript
define([
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"jquery",
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"underscore",
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"crel",
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"alertify",
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"constants",
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"utils",
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"storage",
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"logger",
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"classes/Provider",
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"settings",
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"eventMgr",
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"fileMgr",
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"fileSystem",
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"editor",
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"helpers/couchdbHelper"
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], function($, _, crel, alertify, constants, utils, storage, logger, Provider, settings, eventMgr, fileMgr, fileSystem, editor, couchdbHelper) {
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var PROVIDER_COUCHDB = "couchdb";
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var couchdbProvider = new Provider(PROVIDER_COUCHDB, "CouchDB");
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couchdbProvider.importPreferencesInputIds = [
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PROVIDER_COUCHDB + "-tag"
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];
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function createSyncIndex(id) {
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return "sync." + PROVIDER_COUCHDB + "." + id;
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}
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var merge = settings.conflictMode == 'merge';
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function createSyncAttributes(id, rev, content, title, discussionListJSON) {
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discussionListJSON = discussionListJSON || '{}';
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var syncAttributes = {};
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syncAttributes.provider = couchdbProvider;
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syncAttributes.id = id;
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syncAttributes.rev = rev;
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syncAttributes.contentCRC = utils.crc32(content);
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syncAttributes.titleCRC = utils.crc32(title);
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syncAttributes.discussionListCRC = utils.crc32(discussionListJSON);
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syncAttributes.syncIndex = createSyncIndex(id);
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if(merge === true) {
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// Need to store the whole content for merge
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syncAttributes.content = content;
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syncAttributes.title = title;
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syncAttributes.discussionList = discussionListJSON;
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}
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return syncAttributes;
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}
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function importFilesFromIds(ids) {
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couchdbHelper.downloadContent(ids.map(function(id) {
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return {
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_id: id
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};
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}), function(error, result) {
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if(error) {
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return;
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}
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var fileDescList = [];
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var fileDesc;
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_.each(result, function(file) {
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var content = utils.decodeBase64(file._attachments.content.data);
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var parsedContent = couchdbProvider.parseContent(content);
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var syncLocations;
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var syncAttributes = createSyncAttributes(file._id, file._rev, parsedContent.content, file.title, parsedContent.discussionListJSON);
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syncLocations = {};
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syncLocations[syncAttributes.syncIndex] = syncAttributes;
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fileDesc = fileMgr.createFile(file.title, parsedContent.content, parsedContent.discussionListJSON, syncLocations);
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fileDescList.push(fileDesc);
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});
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if(fileDesc !== undefined) {
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eventMgr.onSyncImportSuccess(fileDescList, couchdbProvider);
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fileMgr.selectFile(fileDesc);
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}
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});
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}
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var $documentIdsElt;
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couchdbProvider.importFiles = function() {
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var tag = $('#select-sync-import-couchdb-tag').val();
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if(!tag) {
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var ids = _.chain(($documentIdsElt.val() || '').split(/\s+/))
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.compact()
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.unique()
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.value();
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var importIds = [];
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_.each(ids, function(id) {
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var syncIndex = createSyncIndex(id);
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var fileDesc = fileMgr.getFileFromSyncIndex(syncIndex);
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if(fileDesc !== undefined) {
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return eventMgr.onError('"' + fileDesc.title + '" is already in your local documents.');
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}
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importIds.push(id);
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});
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importFilesFromIds(importIds);
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}
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};
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couchdbProvider.exportFile = function(event, title, content, discussionListJSON, frontMatter, callback) {
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var data = couchdbProvider.serializeContent(content, discussionListJSON);
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var tags = frontMatter && frontMatter.tags;
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couchdbHelper.uploadDocument(undefined, title, data, tags, undefined, function(error, result) {
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if(error) {
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return callback(error);
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}
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var syncAttributes = createSyncAttributes(result.id, result.rev, content, title, discussionListJSON);
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callback(undefined, syncAttributes);
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});
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};
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couchdbProvider.syncUp = function(content, contentCRC, title, titleCRC, discussionList, discussionListCRC, frontMatter, syncAttributes, callback) {
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if(
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(syncAttributes.contentCRC == contentCRC) && // Content CRC hasn't changed
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(syncAttributes.titleCRC == titleCRC) && // Title CRC hasn't changed
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(syncAttributes.discussionListCRC == discussionListCRC) // Discussion list CRC hasn't changed
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) {
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return callback(undefined, false);
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}
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var data = couchdbProvider.serializeContent(content, discussionList);
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var tags = frontMatter && frontMatter.tags;
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couchdbHelper.uploadDocument(syncAttributes.id, title, data, tags, syncAttributes.rev, function(error, result) {
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if(error) {
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return callback(error, true);
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}
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syncAttributes.rev = result.rev;
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if(merge === true) {
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// Need to store the whole content for merge
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syncAttributes.content = content;
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syncAttributes.title = title;
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syncAttributes.discussionList = discussionList;
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}
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syncAttributes.contentCRC = contentCRC;
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syncAttributes.titleCRC = titleCRC;
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syncAttributes.discussionListCRC = discussionListCRC;
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callback(undefined, true);
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});
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};
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couchdbProvider.syncDown = function(callback) {
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var lastChangeId = parseInt(storage[PROVIDER_COUCHDB + ".lastChangeId"], 10);
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var syncLocations = {};
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_.each(fileSystem, function(fileDesc) {
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_.each(fileDesc.syncLocations, function(syncAttributes) {
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syncAttributes.provider === couchdbProvider && (syncLocations[syncAttributes.id] = syncAttributes);
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});
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});
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couchdbHelper.checkChanges(lastChangeId, syncLocations, function(error, changes, newChangeId) {
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if(error) {
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return callback(error);
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}
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var interestingChanges = [];
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_.each(changes, function(change) {
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var syncIndex = createSyncIndex(change._id);
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var fileDesc = fileMgr.getFileFromSyncIndex(syncIndex);
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var syncAttributes = fileDesc && fileDesc.syncLocations[syncIndex];
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if(!syncAttributes) {
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return;
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}
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// Store fileDesc and syncAttributes references to avoid 2 times search
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change.fileDesc = fileDesc;
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change.syncAttributes = syncAttributes;
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interestingChanges.push(change);
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});
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couchdbHelper.downloadContent(interestingChanges, function(error, changes) {
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if(error) {
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return callback(error);
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}
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function mergeChange() {
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if(changes.length === 0) {
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storage[PROVIDER_COUCHDB + ".lastChangeId"] = newChangeId;
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return callback();
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}
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var change = changes.pop();
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var fileDesc = change.fileDesc;
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var syncAttributes = change.syncAttributes;
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// File deleted
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if(change.deleted === true) {
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eventMgr.onError('"' + fileDesc.title + '" has been removed from CouchDB.');
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fileDesc.removeSyncLocation(syncAttributes);
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return eventMgr.onSyncRemoved(fileDesc, syncAttributes);
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}
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var file = change;
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var content = utils.decodeBase64(file._attachments.content.data);
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var parsedContent = couchdbProvider.parseContent(content);
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var remoteContent = parsedContent.content;
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var remoteTitle = file.title;
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var remoteDiscussionListJSON = parsedContent.discussionListJSON;
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var remoteDiscussionList = parsedContent.discussionList;
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var remoteCRC = couchdbProvider.syncMerge(fileDesc, syncAttributes, remoteContent, remoteTitle, remoteDiscussionList, remoteDiscussionListJSON);
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// Update syncAttributes
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syncAttributes.rev = file._rev;
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if(merge === true) {
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// Need to store the whole content for merge
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syncAttributes.content = remoteContent;
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syncAttributes.title = remoteTitle;
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syncAttributes.discussionList = remoteDiscussionListJSON;
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}
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syncAttributes.contentCRC = remoteCRC.contentCRC;
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syncAttributes.titleCRC = remoteCRC.titleCRC;
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syncAttributes.discussionListCRC = remoteCRC.discussionListCRC;
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utils.storeAttributes(syncAttributes);
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setTimeout(mergeChange, 5);
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}
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setTimeout(mergeChange, 5);
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});
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});
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};
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eventMgr.addListener("onReady", function() {
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var documentEltTmpl = [
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'<a href="#" class="list-group-item document clearfix" data-document-id="<%= document._id %>">',
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'<div class="date pull-right"><%= date %></div></div>',
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'<div class="name"><i class="icon-provider-couchdb"></i> ',
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'<%= document.title %></div>',
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'</a>'
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].join('');
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$documentIdsElt = $('#input-sync-import-couchdb-documentid');
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var modalElt = document.querySelector('.modal-download-couchdb');
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var $documentListElt = $(modalElt.querySelector('.document-list'));
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var $selectedDocumentListElt = $(modalElt.querySelector('.selected-document-list'));
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var $pleaseWaitElt = $(modalElt.querySelector('.please-wait'));
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var $noDocumentElt = $(modalElt.querySelector('.no-document'));
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var $moreDocumentsElt = $(modalElt.querySelector('.more-documents'));
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var documentMap, lastDocument;
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var selectedDocuments, $selectedElts;
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function doSelect() {
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$selectedElts = $documentListElt.children('.active').clone();
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selectedDocuments = [];
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var selectedDocumentIds = [];
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$selectedElts.each(function() {
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var documentId = $(this).data('documentId');
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selectedDocumentIds.push(documentId);
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selectedDocuments.push(documentMap[documentId]);
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});
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$documentIdsElt.val(selectedDocumentIds.join(' '));
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$selectedDocumentListElt.empty().append($selectedElts);
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$(modalElt.querySelectorAll('.action-delete-items')).parent().toggleClass('disabled', selectedDocuments.length === 0);
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}
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function clear() {
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documentMap = {};
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lastDocument = undefined;
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$documentListElt.empty();
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doSelect();
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}
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clear();
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function setMode(mode) {
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$(modalElt.querySelectorAll('.list-mode')).toggleClass('hide', mode != 'list');
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$(modalElt.querySelectorAll('.delete-mode')).toggleClass('hide', mode != 'delete');
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$(modalElt.querySelectorAll('.byid-mode')).toggleClass('hide', mode != 'byid');
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}
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var updateDocumentList = _.debounce(function() {
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$pleaseWaitElt.removeClass('hide');
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$noDocumentElt.addClass('hide');
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$moreDocumentsElt.addClass('hide');
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couchdbHelper.listDocuments($selectTagElt.val(), lastDocument && lastDocument.updated, function(err, result) {
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$pleaseWaitElt.addClass('hide');
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if(err) {
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$moreDocumentsElt.removeClass('hide');
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return;
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}
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if(result.length === 3) {
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$moreDocumentsElt.removeClass('hide');
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lastDocument = result.pop();
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}
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var documentListHtml = _.reduce(result, function(result, document) {
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documentMap[document._id] = document;
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return result + _.template(documentEltTmpl, {
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document: document,
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date: utils.formatDate(document.updated)
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});
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}, '');
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$documentListElt.append(documentListHtml);
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if($documentListElt.children().length === 0) {
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$noDocumentElt.removeClass('hide');
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}
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});
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setMode('list');
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}, 10, true);
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var tagList = utils.retrieveIgnoreError(PROVIDER_COUCHDB + '.tagList') || [];
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var $selectTagElt = $('#input-sync-import-couchdb-tag')
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.on('change', function() {
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clear();
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updateDocumentList();
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});
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function updateTagList() {
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$selectTagElt.empty().append(crel('option', {
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value: ''
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}, 'none'));
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_.sortBy(tagList, function(tag) {
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return tag.toLowerCase();
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}).forEach(function(tag) {
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$selectTagElt.append(crel('option', {
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value: tag
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}, tag));
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});
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}
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updateTagList();
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$(modalElt)
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.on('show.bs.modal', function() {
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clear();
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updateDocumentList();
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})
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.on('click', '.document-list .document', function() {
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$(this).toggleClass('active');
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doSelect();
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})
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.on('click', '.more-documents', updateDocumentList)
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.on('click', '.action-unselect-all', function() {
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$documentListElt.children().removeClass('active');
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doSelect();
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})
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.on('click', '.action-byid-mode', function() {
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setMode('byid');
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})
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.on('click', '.action-add-tag', function() {
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alertify.prompt("Enter a tag:", function (e, tag) {
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if(!e || !tag) {
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return;
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}
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tagList.push(tag);
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tagList = _.chain(tagList)
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.sortBy(function(tag) {
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return tag.toLowerCase();
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})
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.unique(true)
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.value();
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storage[PROVIDER_COUCHDB + '.tagList'] = JSON.stringify(tagList);
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updateTagList();
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$selectTagElt.val(tag);
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}, "Tag");
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})
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.on('click', '.action-remove-tag', function() {
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var tag = $selectTagElt.val();
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tag && alertify.confirm('You are removing <b>' + $selectTagElt.val() + '</b> from your list of filters.', function (e) {
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if(e) {
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tagList = _.without(tagList, tag);
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storage[PROVIDER_COUCHDB + '.tagList'] = JSON.stringify(tagList);
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updateTagList();
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$selectTagElt.val('');
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}
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}, "Tag");
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})
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.on('click', '.action-delete-items', function() {
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if($selectedElts.length) {
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setMode('delete');
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}
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})
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.on('click', '.action-delete-items-confirm', function() {
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couchdbHelper.deleteDocuments(selectedDocuments);
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clear();
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updateDocumentList();
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})
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.on('click', '.action-cancel', function() {
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setMode('list');
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});
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});
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return couchdbProvider;
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});
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