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9a14c2de4c
refs:cf514cdf7- in commitcf514cdf7we moved the loadSettings call up to the bridge - here we can call the async method, so we can remove loadSettingsSync altogether - all the tests have now been changed to use the async method
109 lines
3.9 KiB
JavaScript
109 lines
3.9 KiB
JavaScript
/**
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* The Bridge
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*
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* The bridge is responsible for handing communication from the server to the frontend.
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* Data should only be flowing server -> frontend.
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* As the architecture improves, the number of cross requires here should go down
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* Eventually, the aim is to make this a component that is initialized on boot and is either handed to or actively creates the frontend, if the frontend is desired.
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*
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* This file is a great place for all the cross-component event handling in lieu of refactoring
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* NOTE: You may require anything from shared, the frontend or server here - it is the one place (other than boot) that is allowed :)
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*/
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const debug = require('@tryghost/debug')('bridge');
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const errors = require('@tryghost/errors');
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const logging = require('@tryghost/logging');
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const tpl = require('@tryghost/tpl');
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const themeEngine = require('./frontend/services/theme-engine');
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const appService = require('./frontend/services/apps');
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const cardAssetService = require('./frontend/services/card-assets');
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const routerManager = require('./frontend/services/routing').routerManager;
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const settingsCache = require('./shared/settings-cache');
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const urlService = require('./server/services/url');
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const routeSettings = require('./server/services/route-settings');
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// Listen to settings.lang.edited, similar to the member service and models/base/listeners
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const events = require('./server/lib/common/events');
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const messages = {
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activateFailed: 'Unable to activate the theme "{theme}".'
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};
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class Bridge {
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init() {
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/**
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* When locale changes, we reload theme translations
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* @deprecated: the term "lang" was deprecated in favor of "locale" publicly in 4.0
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*/
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events.on('settings.lang.edited', (model) => {
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debug('Active theme init18n');
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this.getActiveTheme().initI18n({locale: model.get('value')});
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});
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// NOTE: eventually this event should somehow be listened on and handled by the URL Service
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// for now this eliminates the need for the frontend routing to listen to
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// server events
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events.on('settings.timezone.edited', (model) => {
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routerManager.handleTimezoneEdit(model);
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});
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}
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getActiveTheme() {
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return themeEngine.getActive();
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}
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async activateTheme(loadedTheme, checkedTheme) {
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let settings = {
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locale: settingsCache.get('lang')
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};
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// no need to check the score, activation should be used in combination with validate.check
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// Use the two theme objects to set the current active theme
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try {
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themeEngine.setActive(settings, loadedTheme, checkedTheme);
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const cardAssetConfig = this.getCardAssetConfig();
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debug('reload card assets config', cardAssetConfig);
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await cardAssetService.load(cardAssetConfig);
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} catch (err) {
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logging.error(new errors.InternalServerError({
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message: tpl(messages.activateFailed, {theme: loadedTheme.name}),
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err: err
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}));
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}
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}
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getCardAssetConfig() {
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if (this.getActiveTheme()) {
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return this.getActiveTheme().config('card_assets');
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} else {
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return true;
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}
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}
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async reloadFrontend() {
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debug('reload frontend');
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const siteApp = require('./frontend/web/site');
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const routerConfig = {
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routeSettings: await routeSettings.loadRouteSettings(),
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urlService
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};
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await siteApp.reload(routerConfig);
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// re-initialize apps (register app routers, because we have re-initialized the site routers)
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appService.init();
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// connect routers and resources again
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urlService.queue.start({
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event: 'init',
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tolerance: 100,
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requiredSubscriberCount: 1
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});
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}
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}
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const bridge = new Bridge();
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module.exports = bridge;
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