import { getUsers, getUser, getUserStatus } from '~/rest_api'; import Cache from './cache'; class UsersCache extends Cache { retrieve(username) { if (this.hasData(username)) { return Promise.resolve(this.get(username)); } return getUsers('', { username }).then(({ data }) => { if (!data.length) { throw new Error(`User "${username}" could not be found!`); } if (data.length > 1) { throw new Error(`Expected username "${username}" to be unique!`); } const user = data[0]; this.internalStorage[username] = user; return user; }); // missing catch is intentional, error handling depends on use case } retrieveById(userId) { if (this.hasData(userId) && this.get(userId).username) { return Promise.resolve(this.get(userId)); } return getUser(userId).then(({ data }) => { this.internalStorage[userId] = data; return data; }); // missing catch is intentional, error handling depends on use case } updateById(userId, data) { if (!this.hasData(userId)) { return; } this.internalStorage[userId] = { ...this.internalStorage[userId], ...data, }; } retrieveStatusById(userId) { if (this.hasData(userId) && this.get(userId).status) { return Promise.resolve(this.get(userId).status); } return getUserStatus(userId).then(({ data }) => { if (!this.hasData(userId)) { this.internalStorage[userId] = {}; } this.internalStorage[userId].status = data; return data; }); // missing catch is intentional, error handling depends on use case } } export default new UsersCache();