import backendInteractorService from '../services/backend_interactor_service/backend_interactor_service.js' import { WSConnectionStatus } from '../services/api/api.service.js' const retryTimeout = (multiplier) => 1000 * multiplier const api = { state: { retryMultiplier: 1, backendInteractor: backendInteractorService(), fetchers: {}, socket: null, mastoUserSocket: null, mastoUserSocketStatus: null, followRequests: [] }, mutations: { setBackendInteractor (state, backendInteractor) { state.backendInteractor = backendInteractor }, addFetcher (state, { fetcherName, fetcher }) { state.fetchers[fetcherName] = fetcher }, removeFetcher (state, { fetcherName, fetcher }) { state.fetchers[fetcherName].stop() delete state.fetchers[fetcherName] }, setWsToken (state, token) { state.wsToken = token }, setSocket (state, socket) { state.socket = socket }, setFollowRequests (state, value) { state.followRequests = value }, setMastoUserSocketStatus (state, value) { state.mastoUserSocketStatus = value }, incrementRetryMultiplier (state) { state.retryMultiplier = Math.max(++state.retryMultiplier, 3) }, resetRetryMultiplier (state) { state.retryMultiplier = 1 } }, actions: { /** * Global MastoAPI socket control, in future should disable ALL sockets/(re)start relevant sockets * * @param {Boolean} [initial] - whether this enabling happened at boot time or not */ enableMastoSockets (store, initial) { const { state, dispatch, commit } = store // Do not initialize unless nonexistent or closed if ( state.mastoUserSocket && ![ WebSocket.CLOSED, WebSocket.CLOSING ].includes(state.mastoUserSocket.getState()) ) { return } if (initial) { commit('setMastoUserSocketStatus', WSConnectionStatus.STARTING_INITIAL) } else { commit('setMastoUserSocketStatus', WSConnectionStatus.STARTING) } return dispatch('startMastoUserSocket') }, disableMastoSockets (store) { const { state, dispatch, commit } = store if (!state.mastoUserSocket) return commit('setMastoUserSocketStatus', WSConnectionStatus.DISABLED) return dispatch('stopMastoUserSocket') }, // MastoAPI 'User' sockets startMastoUserSocket (store) { return new Promise((resolve, reject) => { try { const { state, commit, dispatch, rootState } = store const timelineData = rootState.statuses.timelines.friends state.mastoUserSocket = state.backendInteractor.startUserSocket({ store }) state.mastoUserSocket.addEventListener( 'message', ({ detail: message }) => { if (!message) return // pings if (message.event === 'notification') { dispatch('addNewNotifications', { notifications: [message.notification], older: false }) } else if (message.event === 'update') { dispatch('addNewStatuses', { statuses: [message.status], userId: false, showImmediately: timelineData.visibleStatuses.length === 0, timeline: 'friends' }) } else if (message.event === 'delete') { dispatch('deleteStatusById', message.id) } } ) state.mastoUserSocket.addEventListener('open', () => { // Do not show notification when we just opened up the page if (state.mastoUserSocketStatus !== WSConnectionStatus.STARTING_INITIAL) { dispatch('pushGlobalNotice', { level: 'success', messageKey: 'timeline.socket_reconnected', timeout: 5000 }) } // Stop polling if we were errored or disabled if (new Set([ WSConnectionStatus.ERROR, WSConnectionStatus.DISABLED ]).has(state.mastoUserSocketStatus)) { dispatch('stopFetchingTimeline', { timeline: 'friends' }) dispatch('stopFetchingNotifications') } commit('resetRetryMultiplier') commit('setMastoUserSocketStatus', WSConnectionStatus.JOINED) }) state.mastoUserSocket.addEventListener('error', ({ detail: error }) => { console.error('Error in MastoAPI websocket:', error) }) state.mastoUserSocket.addEventListener('close', ({ detail: closeEvent }) => { const ignoreCodes = new Set([ 1000, // Normal (intended) closure 1001 // Going away ]) const { code } = closeEvent if (ignoreCodes.has(code)) { console.debug(`Not restarting socket becasue of closure code ${code} is in ignore list`) commit('setMastoUserSocketStatus', WSConnectionStatus.CLOSED) } else { console.warn(`MastoAPI websocket disconnected, restarting. CloseEvent code: ${code}`) setTimeout(() => { dispatch('startMastoUserSocket') }, retryTimeout(state.retryMultiplier)) commit('incrementRetryMultiplier') if (state.mastoUserSocketStatus !== WSConnectionStatus.ERROR) { dispatch('startFetchingTimeline', { timeline: 'friends' }) dispatch('startFetchingNotifications') dispatch('startFetchingAnnouncements') dispatch('pushGlobalNotice', { level: 'error', messageKey: 'timeline.socket_broke', messageArgs: [code], timeout: 5000 }) } commit('setMastoUserSocketStatus', WSConnectionStatus.ERROR) } }) resolve() } catch (e) { reject(e) } }) }, stopMastoUserSocket ({ state, dispatch }) { dispatch('startFetchingTimeline', { timeline: 'friends' }) dispatch('startFetchingNotifications') state.mastoUserSocket.close() }, // Timelines startFetchingTimeline (store, { timeline = 'friends', tag = false, userId = false, listId = false }) { if (store.state.fetchers[timeline]) return const fetcher = store.state.backendInteractor.startFetchingTimeline({ timeline, store, userId, listId, tag }) store.commit('addFetcher', { fetcherName: timeline, fetcher }) }, stopFetchingTimeline (store, timeline) { const fetcher = store.state.fetchers[timeline] if (!fetcher) return store.commit('removeFetcher', { fetcherName: timeline, fetcher }) }, fetchTimeline (store, timeline, { ...rest }) { store.state.backendInteractor.fetchTimeline({ store, timeline, ...rest }) }, // Notifications startFetchingNotifications (store) { if (store.state.fetchers.notifications) return const fetcher = store.state.backendInteractor.startFetchingNotifications({ store }) store.commit('addFetcher', { fetcherName: 'notifications', fetcher }) }, stopFetchingNotifications (store) { const fetcher = store.state.fetchers.notifications if (!fetcher) return store.commit('removeFetcher', { fetcherName: 'notifications', fetcher }) }, fetchNotifications (store, { ...rest }) { store.state.backendInteractor.fetchNotifications({ store, ...rest }) }, // Follow requests startFetchingFollowRequests (store) { if (store.state.fetchers['followRequests']) return const fetcher = store.state.backendInteractor.startFetchingFollowRequests({ store }) store.commit('addFetcher', { fetcherName: 'followRequests', fetcher }) }, stopFetchingFollowRequests (store) { const fetcher = store.state.fetchers.followRequests if (!fetcher) return store.commit('removeFetcher', { fetcherName: 'followRequests', fetcher }) }, removeFollowRequest (store, request) { let requests = store.state.followRequests.filter((it) => it !== request) store.commit('setFollowRequests', requests) }, // Lists startFetchingLists (store) { if (store.state.fetchers['lists']) return const fetcher = store.state.backendInteractor.startFetchingLists({ store }) store.commit('addFetcher', { fetcherName: 'lists', fetcher }) }, stopFetchingLists (store) { const fetcher = store.state.fetchers.lists if (!fetcher) return store.commit('removeFetcher', { fetcherName: 'lists', fetcher }) }, // Lists startFetchingAnnouncements (store) { if (store.state.fetchers['announcements']) return const fetcher = store.state.backendInteractor.startFetchingAnnouncements({ store }) store.commit('addFetcher', { fetcherName: 'announcements', fetcher }) }, stopFetchingAnnouncements (store) { const fetcher = store.state.fetchers.announcements if (!fetcher) return store.commit('removeFetcher', { fetcherName: 'announcements', fetcher }) }, // Pleroma websocket setWsToken (store, token) { store.commit('setWsToken', token) }, disconnectFromSocket ({ commit, state }) { state.socket && state.socket.disconnect() commit('setSocket', null) } } } export default api