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import { action, observable, reaction } from 'mobx';
import semver from 'semver';
import { FeatureStore } from '../utils/FeatureStore';
import { getAnnouncementRequest, getCurrentVersionRequest } from './api';
const debug = require('debug')('Franz:feature:announcements:store');
export class AnnouncementsStore extends FeatureStore {
@observable announcement = null;
@observable currentVersion = null;
@observable lastUsedVersion = null;
@observable isAnnouncementVisible = false;
@observable isFeatureActive = false;
async start(stores, actions) {
debug('AnnouncementsStore::start');
this.stores = stores;
this.actions = actions;
await this.fetchLastUsedVersion();
await this.fetchCurrentVersion();
await this.fetchReleaseAnnouncement();
this.showAnnouncementIfNotSeenYet();
this.actions.announcements.show.listen(this._showAnnouncement.bind(this));
this.isFeatureActive = true;
}
stop() {
debug('AnnouncementsStore::stop');
this.isFeatureActive = false;
this.isAnnouncementVisible = false;
}
// ====== PUBLIC ======
async fetchLastUsedVersion() {
debug('getting last used version from local storage');
const lastUsedVersion = window.localStorage.getItem('lastUsedVersion');
this._setLastUsedVersion(lastUsedVersion == null ? '0.0.0' : lastUsedVersion);
}
async fetchCurrentVersion() {
debug('getting current version from api');
const version = await getCurrentVersionRequest.execute();
this._setCurrentVersion(version);
}
async fetchReleaseAnnouncement() {
debug('getting release announcement from api');
try {
const announcement = await getAnnouncementRequest.execute(this.currentVersion);
this._setAnnouncement(announcement);
} catch (error) {
this._setAnnouncement(null);
}
}
showAnnouncementIfNotSeenYet() {
const { announcement, currentVersion, lastUsedVersion } = this;
if (announcement && semver.gt(currentVersion, lastUsedVersion)) {
debug(`${currentVersion} < ${lastUsedVersion}: announcement is shown`);
this._showAnnouncement();
} else {
debug(`${currentVersion} >= ${lastUsedVersion}: announcement is hidden`);
this._hideAnnouncement();
}
}
// ====== PRIVATE ======
@action _setCurrentVersion(version) {
debug(`setting current version to ${version}`);
this.currentVersion = version;
}
@action _setLastUsedVersion(version) {
debug(`setting last used version to ${version}`);
this.lastUsedVersion = version;
}
@action _setAnnouncement(announcement) {
debug(`setting announcement to ${announcement}`);
this.announcement = announcement;
}
@action _showAnnouncement() {
this.isAnnouncementVisible = true;
this.actions.service.blurActive();
const dispose = reaction(
() => this.stores.services.active,
() => {
this._hideAnnouncement();
dispose();
},
);
}
@action _hideAnnouncement() {
this.isAnnouncementVisible = false;
}
}
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