parent
5b7c653874
commit
dbfca224d8
@ -0,0 +1,158 @@
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import { toRaw } from 'vue'
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const VERSION = 1
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const NEW_USER_DATE = new Date('04-08-2022') // date of writing this, basically
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const COMMAND_TRIM_FLAGS = 1000
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const COMMAND_TRIM_FLAGS_AND_RESET = 1001
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const defaultState = {
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// last timestamp
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timestamp: 0,
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// need to update server
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dirty: false,
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// storage of flags - stuff that can only be set and incremented
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flagStorage: {
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updateCounter: 0, // Counter for most recent update notification seen
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// TODO move to prefsStorage when that becomes a thing since only way
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// this can be reset is by complete reset of all flags
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dontShowUpdateNotifs: 0, // if user chose to not show update notifications ever again
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reset: 0 // special flag that can be used to force-reset all flags, debug purposes only
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// special reset codes:
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// 1000: trim keys to those known by currently running FE
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// 1001: same as above + reset everything to 0
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},
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// raw data
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raw: null,
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// local cache
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cache: null
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}
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const newUserFlags = {
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...defaultState.flagStorage,
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updateCounter: 1 // new users don't need to see update notification
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}
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const serverSideStorage = {
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state: {
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...defaultState
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},
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mutations: {
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setServerSideStorage (state, userData) {
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const live = userData.storage
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const userNew = userData.created_at > NEW_USER_DATE
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const flagsTemplate = userNew ? newUserFlags : defaultState.defaultState
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state.raw = live
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console.log(1111, live._timestamp)
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let recent = null
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const cache = state.cache || {}
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const cacheValid = cache._timestamp > 0 && cache._version > 0
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const liveValid = live._timestamp > 0 && live._version > 0
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if (!liveValid) {
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state.dirty = true
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console.debug('Nothing valid stored on server, assuming cache to be source of truth')
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if (cacheValid) {
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recent = cache
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} else {
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console.debug(`Local cache is empty, initializing for ${userNew ? 'new' : 'existing'} user`)
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recent = {
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_timestamp: Date.now(),
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_version: VERSION,
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flagStorage: { ...flagsTemplate }
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}
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}
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} else if (!cacheValid) {
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console.debug('Valid storage on server found, no local cache found, using live as source of truth')
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recent = live
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} else {
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console.debug('Both sources have valid data, figuring things out...')
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console.log(live._timestamp, cache._timestamp)
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if (live._timestamp === cache._timestamp && live._version === cache._version) {
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console.debug('Same version/timestamp on both source, source of truth irrelevant')
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recent = cache
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} else {
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state.dirty = true
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console.debug('Different timestamp, figuring out which one is more recent')
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let stale
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if (live._timestamp < cache._timestamp) {
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recent = cache
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stale = live
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} else {
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recent = live
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stale = cache
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}
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// Merge the flags
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console.debug('Merging the flags...')
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recent.flagStorage = recent.flagStorage || { ...flagsTemplate }
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stale.flagStorage = stale.flagStorage || { ...flagsTemplate }
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const allFlags = Array.from(new Set([
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...Object.keys(toRaw(recent.flagStorage)),
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...Object.keys(toRaw(stale.flagStorage))
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]))
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const totalFlags = Object.fromEntries(allFlags.map(flag => {
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const recentFlag = recent.flagStorage[flag]
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const staleFlag = stale.flagStorage[flag]
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// use flag that is of higher value
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return [flag, recentFlag > staleFlag ? recentFlag : staleFlag]
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}))
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console.debug('AAA', totalFlags)
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// flag reset functionality
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if (totalFlags.reset >= COMMAND_TRIM_FLAGS && totalFlags.reset <= COMMAND_TRIM_FLAGS_AND_RESET) {
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console.debug('Received command to trim the flags')
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const knownKeys = new Set(Object.keys(defaultState.flagStorage))
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allFlags.forEach(flag => {
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if (!knownKeys.has(flag)) {
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delete totalFlags[flag]
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}
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})
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if (totalFlags.reset === COMMAND_TRIM_FLAGS_AND_RESET) {
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// 1001 - and reset everything to 0
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console.debug('Received command to reset the flags')
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allFlags.forEach(flag => { totalFlags[flag] = 0 })
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} else {
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// reset the reset 0
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totalFlags.reset = 0
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}
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} else if (totalFlags.reset > 0 && totalFlags.reset < 9000) {
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console.debug('Received command to reset the flags')
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allFlags.forEach(flag => { totalFlags[flag] = 0 })
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// for good luck
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totalFlags.reset = 0
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}
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console.log('AAAA', totalFlags)
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state.cache.flagStorage = totalFlags
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}
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}
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state.cache = recent
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state.flagStorage = state.cache.flagStorage
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},
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setFlag (state, { flag, value }) {
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state.flagStorage[flag] = value
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state.dirty = true
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}
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},
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actions: {
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pushServerSideStorage ({ state, rootState, commit }, { force = false } = {}) {
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console.log('PUSH')
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const needPush = state.dirty || force
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if (!needPush) return
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state.cache = {
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_timestamp: Date.now(),
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_version: VERSION,
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flagStorage: toRaw(state.flagStorage)
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}
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console.log('YES')
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const params = { pleroma_settings_store: { 'pleroma-fe': state.cache } }
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rootState.api.backendInteractor
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.updateProfile({ params })
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.then((user) => commit('setServerSideStorage', user))
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state.dirty = false
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}
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}
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}
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export default serverSideStorage
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