206 lines
4.1 KiB
JavaScript
206 lines
4.1 KiB
JavaScript
import { APPLICATION_STATUS, UPDATE_EVENT, INSTALL_EVENT, UNINSTALL_EVENT } from '../constants';
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const {
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NO_STATUS,
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SCHEDULED,
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NOT_INSTALLABLE,
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INSTALLABLE,
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INSTALLING,
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INSTALLED,
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ERROR,
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UPDATING,
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UPDATED,
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UPDATE_ERRORED,
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UNINSTALLING,
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UNINSTALL_ERRORED,
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PRE_INSTALLED,
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} = APPLICATION_STATUS;
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const applicationStateMachine = {
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/* When the application initially loads, it will have `NO_STATUS`
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* It will transition from `NO_STATUS` once the async backend call is completed
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*/
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[NO_STATUS]: {
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on: {
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[SCHEDULED]: {
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target: INSTALLING,
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},
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[NOT_INSTALLABLE]: {
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target: NOT_INSTALLABLE,
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},
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[INSTALLABLE]: {
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target: INSTALLABLE,
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},
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[INSTALLING]: {
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target: INSTALLING,
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},
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[INSTALLED]: {
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target: INSTALLED,
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},
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[ERROR]: {
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target: INSTALLABLE,
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effects: {
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installFailed: true,
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},
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},
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[UPDATING]: {
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target: UPDATING,
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},
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[UPDATED]: {
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target: INSTALLED,
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},
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[UPDATE_ERRORED]: {
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target: INSTALLED,
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effects: {
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updateFailed: true,
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},
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},
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[UNINSTALLING]: {
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target: UNINSTALLING,
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},
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[UNINSTALL_ERRORED]: {
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target: INSTALLED,
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effects: {
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uninstallFailed: true,
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},
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},
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[PRE_INSTALLED]: {
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target: PRE_INSTALLED,
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},
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},
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},
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[NOT_INSTALLABLE]: {
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on: {
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[INSTALLABLE]: {
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target: INSTALLABLE,
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},
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},
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},
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[INSTALLABLE]: {
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on: {
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[INSTALL_EVENT]: {
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target: INSTALLING,
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effects: {
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installFailed: false,
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},
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},
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[NOT_INSTALLABLE]: {
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target: NOT_INSTALLABLE,
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},
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// This is possible in artificial environments for E2E testing
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[INSTALLED]: {
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target: INSTALLED,
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},
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},
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},
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[INSTALLING]: {
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on: {
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[INSTALLED]: {
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target: INSTALLED,
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},
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[ERROR]: {
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target: INSTALLABLE,
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effects: {
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installFailed: true,
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},
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},
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},
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},
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[INSTALLED]: {
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on: {
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[UPDATE_EVENT]: {
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target: UPDATING,
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effects: {
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updateFailed: false,
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updateSuccessful: false,
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},
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},
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[NOT_INSTALLABLE]: {
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target: NOT_INSTALLABLE,
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},
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[UNINSTALL_EVENT]: {
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target: UNINSTALLING,
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effects: {
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uninstallFailed: false,
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uninstallSuccessful: false,
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},
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},
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},
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},
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[PRE_INSTALLED]: {
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on: {
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[UPDATE_EVENT]: {
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target: UPDATING,
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effects: {
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updateFailed: false,
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updateSuccessful: false,
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},
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},
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[NOT_INSTALLABLE]: {
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target: NOT_INSTALLABLE,
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},
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[UNINSTALL_EVENT]: {
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target: UNINSTALLING,
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effects: {
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uninstallFailed: false,
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uninstallSuccessful: false,
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},
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},
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},
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},
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[UPDATING]: {
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on: {
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[UPDATED]: {
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target: INSTALLED,
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effects: {
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updateSuccessful: true,
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},
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},
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[UPDATE_ERRORED]: {
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target: INSTALLED,
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effects: {
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updateFailed: true,
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},
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},
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},
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},
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[UNINSTALLING]: {
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on: {
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[INSTALLABLE]: {
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target: INSTALLABLE,
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effects: {
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uninstallSuccessful: true,
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},
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},
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[UNINSTALL_ERRORED]: {
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target: INSTALLED,
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effects: {
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uninstallFailed: true,
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},
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},
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},
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},
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};
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/**
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* Determines an application new state based on the application current state
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* and an event. If the application current state cannot handle a given event,
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* the current state is returned.
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*
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* @param {*} application
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* @param {*} event
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*/
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const transitionApplicationState = (application, event) => {
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const newState = applicationStateMachine[application.status].on[event];
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return newState
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? {
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...application,
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status: newState.target,
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...newState.effects,
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}
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: application;
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};
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export default transitionApplicationState;
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