372 lines
14 KiB
JavaScript
372 lines
14 KiB
JavaScript
define([
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"jquery",
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"underscore",
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"utils",
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"storage",
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"eventMgr",
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"fileSystem",
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"fileMgr",
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"classes/Provider",
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"providers/dropboxProvider",
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"providers/gdriveProvider",
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"providers/gdrivesecProvider",
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"providers/gdriveterProvider"
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], function($, _, utils, storage, eventMgr, fileSystem, fileMgr, Provider) {
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var synchronizer = {};
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// Create a map with providerId: providerModule
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var providerMap = _.chain(arguments).map(function(argument) {
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return argument instanceof Provider && [
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argument.providerId,
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argument
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];
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}).compact().object().value();
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// Retrieve sync locations from storage
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(function() {
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var syncIndexMap = {};
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_.each(fileSystem, function(fileDesc) {
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utils.retrieveIndexArray(fileDesc.fileIndex + ".sync").forEach(function(syncIndex) {
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try {
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var syncAttributes = JSON.parse(storage[syncIndex]);
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// Store syncIndex
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syncAttributes.syncIndex = syncIndex;
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// Replace provider ID by provider module in attributes
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var provider = providerMap[syncAttributes.provider];
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if(!provider) {
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throw new Error("Invalid provider ID: " + syncAttributes.provider);
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}
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syncAttributes.provider = provider;
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fileDesc.syncLocations[syncIndex] = syncAttributes;
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syncIndexMap[syncIndex] = syncAttributes;
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}
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catch(e) {
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// storage can be corrupted
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eventMgr.onError(e);
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// Remove sync location
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utils.removeIndexFromArray(fileDesc.fileIndex + ".sync", syncIndex);
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}
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});
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});
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// Clean fields from deleted files in local storage
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Object.keys(storage).forEach(function(key) {
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var match = key.match(/sync\.\S+/);
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if(match && !syncIndexMap.hasOwnProperty(match[0])) {
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storage.removeItem(key);
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}
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});
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})();
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// AutoSync configuration
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_.each(providerMap, function(provider) {
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provider.autosyncConfig = utils.retrieveIgnoreError(provider.providerId + ".autosyncConfig") || {};
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});
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// Returns true if at least one file has synchronized location
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synchronizer.hasSync = function(provider) {
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return _.some(fileSystem, function(fileDesc) {
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return _.some(fileDesc.syncLocations, function(syncAttributes) {
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return provider === undefined || syncAttributes.provider === provider;
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});
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});
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};
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/***************************************************************************
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* Synchronization
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**************************************************************************/
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// Entry point for up synchronization (upload changes)
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var uploadCycle = false;
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function syncUp(callback) {
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var uploadFileList = [];
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// Recursive function to upload multiple files
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function fileUp() {
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// No more fileDesc to synchronize
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if(uploadFileList.length === 0) {
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return syncUp(callback);
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}
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// Dequeue a fileDesc to synchronize
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var fileDesc = uploadFileList.pop();
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var uploadSyncAttributesList = _.values(fileDesc.syncLocations);
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if(uploadSyncAttributesList.length === 0) {
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return fileUp();
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}
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var uploadContent = fileDesc.content;
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var uploadContentCRC = utils.crc32(uploadContent);
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var uploadTitle = fileDesc.title;
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var uploadTitleCRC = utils.crc32(uploadTitle);
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var uploadDiscussionList = fileDesc.discussionListJSON;
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var uploadDiscussionListCRC = utils.crc32(uploadDiscussionList);
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// Recursive function to upload a single file on multiple locations
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function locationUp() {
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// No more synchronized location for this document
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if(uploadSyncAttributesList.length === 0) {
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return fileUp();
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}
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// Dequeue a synchronized location
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var syncAttributes = uploadSyncAttributesList.pop();
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syncAttributes.provider.syncUp(
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uploadContent,
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uploadContentCRC,
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uploadTitle,
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uploadTitleCRC,
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uploadDiscussionList,
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uploadDiscussionListCRC,
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syncAttributes,
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function(error, uploadFlag) {
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if(uploadFlag === true) {
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// If uploadFlag is true, request another upload cycle
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uploadCycle = true;
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}
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if(error) {
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return callback(error);
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}
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if(uploadFlag) {
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// Update syncAttributes in storage
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utils.storeAttributes(syncAttributes);
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}
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locationUp();
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}
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);
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}
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locationUp();
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}
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if(uploadCycle === true) {
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// New upload cycle
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uploadCycle = false;
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uploadFileList = _.values(fileSystem);
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fileUp();
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}
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else {
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callback();
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}
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}
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// Entry point for down synchronization (download changes)
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function syncDown(callback) {
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var providerList = _.values(providerMap);
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// Recursive function to download changes from multiple providers
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function providerDown() {
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if(providerList.length === 0) {
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return callback();
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}
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var provider = providerList.pop();
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// Check that provider has files to sync
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if(!synchronizer.hasSync(provider)) {
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return providerDown();
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}
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// Perform provider's syncDown
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provider.syncDown(function(error) {
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if(error) {
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return callback(error);
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}
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providerDown();
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});
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}
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providerDown();
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}
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// Entry point for the autosync feature
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function autosyncAll(callback) {
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var autosyncFileList = _.filter(fileSystem, function(fileDesc) {
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return _.size(fileDesc.syncLocations) === 0;
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});
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// Recursive function to autosync multiple files
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function fileAutosync() {
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// No more fileDesc to synchronize
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if(autosyncFileList.length === 0) {
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return callback();
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}
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var fileDesc = autosyncFileList.pop();
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var providerList = _.filter(providerMap, function(provider) {
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return provider.autosyncConfig.mode == 'all';
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});
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function providerAutosync() {
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// No more provider
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if(providerList.length === 0) {
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return fileAutosync();
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}
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var provider = providerList.pop();
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provider.autosyncFile(fileDesc.title, fileDesc.content, fileDesc.discussionListJSON, provider.autosyncConfig, function(error, syncAttributes) {
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if(error) {
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return callback(error);
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}
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fileDesc.addSyncLocation(syncAttributes);
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eventMgr.onSyncExportSuccess(fileDesc, syncAttributes);
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providerAutosync();
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});
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}
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providerAutosync();
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}
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fileAutosync();
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}
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// Listen to offline status changes
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var isOffline = false;
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eventMgr.addListener("onOfflineChanged", function(isOfflineParam) {
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isOffline = isOfflineParam;
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});
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// Main entry point for synchronization
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var syncRunning = false;
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synchronizer.sync = function() {
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// If sync is already running or offline
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if(syncRunning === true || isOffline === true) {
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return false;
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}
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syncRunning = true;
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eventMgr.onSyncRunning(true);
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uploadCycle = true;
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function isError(error) {
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if(error !== undefined) {
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syncRunning = false;
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eventMgr.onSyncRunning(false);
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return true;
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}
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return false;
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}
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autosyncAll(function(error) {
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if(isError(error)) {
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return;
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}
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syncDown(function(error) {
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if(isError(error)) {
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return;
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}
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syncUp(function(error) {
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if(isError(error)) {
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return;
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}
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syncRunning = false;
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eventMgr.onSyncRunning(false);
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eventMgr.onSyncSuccess();
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});
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});
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});
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return true;
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};
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/***************************************************************************
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* Initialize module
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**************************************************************************/
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// Initialize the export dialog
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function initExportDialog(provider) {
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// Reset fields
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utils.resetModalInputs();
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// Load preferences
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var exportPreferences = utils.retrieveIgnoreError(provider.providerId + ".exportPreferences");
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if(exportPreferences) {
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_.each(provider.exportPreferencesInputIds, function(inputId) {
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var exportPreferenceValue = exportPreferences[inputId];
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if(_.isBoolean(exportPreferenceValue)) {
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utils.setInputChecked("#input-sync-export-" + inputId, exportPreferenceValue);
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}
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else {
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utils.setInputValue("#input-sync-export-" + inputId, exportPreferenceValue);
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}
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});
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}
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// Open dialog
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$(".modal-upload-" + provider.providerId).modal();
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}
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eventMgr.addListener("onFileCreated", function(fileDesc) {
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if(_.size(fileDesc.syncLocations) === 0) {
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_.each(providerMap, function(provider) {
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if(provider.autosyncConfig.mode != 'new') {
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return;
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}
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provider.autosyncFile(fileDesc.title, fileDesc.content, fileDesc.discussionListJSON, provider.autosyncConfig, function(error, syncAttributes) {
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if(error) {
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return;
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}
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fileDesc.addSyncLocation(syncAttributes);
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eventMgr.onSyncExportSuccess(fileDesc, syncAttributes);
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});
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});
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}
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});
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eventMgr.addListener("onReady", function() {
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// Init each provider
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_.each(providerMap, function(provider) {
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// Provider's import button
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$(".action-sync-import-" + provider.providerId).click(function(event) {
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provider.importFiles(event);
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});
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// Provider's export action
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$(".action-sync-export-dialog-" + provider.providerId).click(function() {
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initExportDialog(provider);
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});
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// Provider's autosync action
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$(".action-autosync-dialog-" + provider.providerId).click(function() {
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// Reset fields
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utils.resetModalInputs();
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// Load config
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provider.setAutosyncDialogConfig(provider);
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// Open dialog
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$(".modal-autosync-" + provider.providerId).modal();
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});
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$(".action-sync-export-" + provider.providerId).click(function(event) {
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var fileDesc = fileMgr.currentFile;
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provider.exportFile(event, fileDesc.title, fileDesc.content, fileDesc.discussionListJSON, function(error, syncAttributes) {
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if(error) {
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return;
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}
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fileDesc.addSyncLocation(syncAttributes);
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eventMgr.onSyncExportSuccess(fileDesc, syncAttributes);
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});
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// Store input values as preferences for next time we open the
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// export dialog
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var exportPreferences = {};
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_.each(provider.exportPreferencesInputIds, function(inputId) {
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var inputElt = document.getElementById("input-sync-export-" + inputId);
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if(inputElt.type == 'checkbox') {
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exportPreferences[inputId] = inputElt.checked;
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}
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else {
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exportPreferences[inputId] = inputElt.value;
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}
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});
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storage[provider.providerId + ".exportPreferences"] = JSON.stringify(exportPreferences);
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});
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$(".action-autosync-" + provider.providerId).click(function(event) {
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var config = provider.getAutosyncDialogConfig(event);
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if(config !== undefined) {
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storage[provider.providerId + ".autosyncConfig"] = JSON.stringify(config);
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provider.autosyncConfig = config;
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}
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});
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});
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});
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eventMgr.onSynchronizerCreated(synchronizer);
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return synchronizer;
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});
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