mirror of
https://github.com/laurent22/joplin.git
synced 2024-12-06 08:36:52 +02:00
234 lines
6.2 KiB
JavaScript
234 lines
6.2 KiB
JavaScript
const Logger = require('./Logger').default;
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const Setting = require('./models/Setting').default;
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const shim = require('./shim').default;
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const SyncTargetRegistry = require('./SyncTargetRegistry.js');
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const reg = {};
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reg.syncTargets_ = {};
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reg.logger = () => {
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if (!reg.logger_) {
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// console.warn('Calling logger before it is initialized');
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return new Logger();
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}
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return reg.logger_;
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};
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reg.setLogger = l => {
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reg.logger_ = l;
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};
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reg.setShowErrorMessageBoxHandler = v => {
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reg.showErrorMessageBoxHandler_ = v;
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};
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reg.showErrorMessageBox = message => {
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if (!reg.showErrorMessageBoxHandler_) return;
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reg.showErrorMessageBoxHandler_(message);
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};
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reg.resetSyncTarget = (syncTargetId = null) => {
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if (syncTargetId === null) syncTargetId = Setting.value('sync.target');
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delete reg.syncTargets_[syncTargetId];
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};
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reg.syncTargetNextcloud = () => {
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return reg.syncTarget(SyncTargetRegistry.nameToId('nextcloud'));
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};
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reg.syncTarget = (syncTargetId = null) => {
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if (syncTargetId === null) syncTargetId = Setting.value('sync.target');
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if (reg.syncTargets_[syncTargetId]) return reg.syncTargets_[syncTargetId];
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const SyncTargetClass = SyncTargetRegistry.classById(syncTargetId);
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if (!reg.db()) throw new Error('Cannot initialize sync without a db');
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const target = new SyncTargetClass(reg.db());
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target.setLogger(reg.logger());
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reg.syncTargets_[syncTargetId] = target;
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return target;
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};
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// This can be used when some data has been modified and we want to make
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// sure it gets synced. So we wait for the current sync operation to
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// finish (if one is running), then we trigger a sync just after.
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reg.waitForSyncFinishedThenSync = async () => {
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reg.waitForReSyncCalls_.push(true);
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try {
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const synchronizer = await reg.syncTarget().synchronizer();
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await synchronizer.waitForSyncToFinish();
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await reg.scheduleSync(0);
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} finally {
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reg.waitForReSyncCalls_.pop();
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}
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};
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reg.scheduleSync = async (delay = null, syncOptions = null) => {
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reg.schedSyncCalls_.push(true);
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try {
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if (delay === null) delay = 1000 * 10;
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if (syncOptions === null) syncOptions = {};
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let promiseResolve = null;
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const promise = new Promise((resolve) => {
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promiseResolve = resolve;
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});
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if (reg.scheduleSyncId_) {
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shim.clearTimeout(reg.scheduleSyncId_);
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reg.scheduleSyncId_ = null;
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}
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reg.logger().debug('Scheduling sync operation...', delay);
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if (Setting.value('env') === 'dev' && delay !== 0) {
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reg.logger().info('Schedule sync DISABLED!!!');
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return;
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}
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const timeoutCallback = async () => {
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reg.timerCallbackCalls_.push(true);
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try {
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reg.scheduleSyncId_ = null;
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reg.logger().info('Preparing scheduled sync');
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const syncTargetId = Setting.value('sync.target');
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if (!(await reg.syncTarget(syncTargetId).isAuthenticated())) {
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reg.logger().info('Synchroniser is missing credentials - manual sync required to authenticate.');
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promiseResolve();
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return;
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}
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try {
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const sync = await reg.syncTarget(syncTargetId).synchronizer();
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const contextKey = `sync.${syncTargetId}.context`;
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let context = Setting.value(contextKey);
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try {
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context = context ? JSON.parse(context) : {};
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} catch (error) {
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// Clearing the context is inefficient since it means all items are going to be re-downloaded
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// however it won't result in duplicate items since the synchroniser is going to compare each
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// item to the current state.
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reg.logger().warn(`Could not parse JSON sync context ${contextKey}:`, context);
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reg.logger().info('Clearing context and starting from scratch');
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context = null;
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}
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try {
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reg.logger().info('Starting scheduled sync');
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const options = Object.assign({}, syncOptions, { context: context });
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if (!options.saveContextHandler) {
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options.saveContextHandler = newContext => {
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Setting.setValue(contextKey, JSON.stringify(newContext));
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};
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}
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const newContext = await sync.start(options);
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Setting.setValue(contextKey, JSON.stringify(newContext));
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} catch (error) {
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if (error.code == 'alreadyStarted') {
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reg.logger().info(error.message);
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} else {
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promiseResolve();
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throw error;
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}
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}
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} catch (error) {
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reg.logger().info('Could not run background sync:');
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reg.logger().info(error);
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}
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reg.setupRecurrentSync();
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promiseResolve();
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} finally {
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reg.timerCallbackCalls_.pop();
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}
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};
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if (delay === 0) {
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timeoutCallback();
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} else {
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reg.scheduleSyncId_ = shim.setTimeout(timeoutCallback, delay);
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}
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return promise;
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} finally {
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reg.schedSyncCalls_.pop();
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}
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};
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reg.setupRecurrentSync = () => {
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reg.setupRecurrentCalls_.push(true);
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try {
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if (reg.recurrentSyncId_) {
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shim.clearInterval(reg.recurrentSyncId_);
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reg.recurrentSyncId_ = null;
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}
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if (!Setting.value('sync.interval')) {
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reg.logger().debug('Recurrent sync is disabled');
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} else {
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reg.logger().debug(`Setting up recurrent sync with interval ${Setting.value('sync.interval')}`);
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if (Setting.value('env') === 'dev') {
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reg.logger().info('Recurrent sync operation DISABLED!!!');
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return;
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}
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reg.recurrentSyncId_ = shim.setInterval(() => {
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reg.logger().info('Running background sync on timer...');
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reg.scheduleSync(0);
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}, 1000 * Setting.value('sync.interval'));
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}
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} finally {
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reg.setupRecurrentCalls_.pop();
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}
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};
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reg.setDb = v => {
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reg.db_ = v;
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};
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reg.db = () => {
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return reg.db_;
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};
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reg.cancelTimers_ = () => {
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if (this.recurrentSyncId_) {
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shim.clearInterval(reg.recurrentSyncId_);
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this.recurrentSyncId_ = null;
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}
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if (reg.scheduleSyncId_) {
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shim.clearTimeout(reg.scheduleSyncId_);
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reg.scheduleSyncId_ = null;
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}
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};
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reg.cancelTimers = async () => {
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reg.logger().info('Cancelling sync timers');
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reg.cancelTimers_();
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return new Promise((resolve) => {
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shim.setInterval(() => {
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// ensure processing complete
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if (!reg.setupRecurrentCalls_.length && !reg.schedSyncCalls_.length && !reg.timerCallbackCalls_.length && !reg.waitForReSyncCalls_.length) {
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reg.cancelTimers_();
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resolve();
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}
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}, 100);
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});
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};
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reg.syncCalls_ = [];
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reg.schedSyncCalls_ = [];
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reg.waitForReSyncCalls_ = [];
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reg.setupRecurrentCalls_ = [];
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reg.timerCallbackCalls_ = [];
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module.exports = { reg };
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