2018-01-23 17:03:31 +00:00
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import {
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META_STORE,
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2018-02-04 02:06:02 +00:00
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STATUS_TIMELINES_STORE,
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2018-01-23 17:21:21 +00:00
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STATUSES_STORE,
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2018-01-28 20:51:48 +00:00
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ACCOUNTS_STORE,
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2018-02-04 02:06:02 +00:00
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RELATIONSHIPS_STORE,
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NOTIFICATIONS_STORE,
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2018-02-11 18:35:25 +00:00
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NOTIFICATION_TIMELINES_STORE,
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2018-02-14 03:34:37 +00:00
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PINNED_STATUSES_STORE,
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2018-03-09 02:31:59 +00:00
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TIMESTAMP, REBLOG_ID, THREADS_STORE
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2018-01-23 17:03:31 +00:00
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} from './constants'
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2018-02-09 06:29:29 +00:00
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const openReqs = {}
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const databaseCache = {}
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2018-03-09 02:31:59 +00:00
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const DB_VERSION = 4
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2018-02-14 03:34:37 +00:00
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2018-02-09 06:29:29 +00:00
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export function getDatabase (instanceName) {
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2018-01-27 16:22:23 +00:00
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if (!instanceName) {
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2018-01-25 08:01:56 +00:00
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throw new Error('instanceName is undefined in getDatabase()')
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}
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2018-01-23 17:03:31 +00:00
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if (databaseCache[instanceName]) {
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return Promise.resolve(databaseCache[instanceName])
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}
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databaseCache[instanceName] = new Promise((resolve, reject) => {
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2018-01-28 20:51:48 +00:00
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let req = indexedDB.open(instanceName, DB_VERSION)
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2018-01-23 17:03:31 +00:00
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openReqs[instanceName] = req
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req.onerror = reject
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req.onblocked = () => {
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console.log('idb blocked')
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}
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2018-01-28 20:51:48 +00:00
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req.onupgradeneeded = (e) => {
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2018-02-09 06:29:29 +00:00
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let db = req.result
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2018-02-17 03:38:21 +00:00
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let tx = e.currentTarget.transaction
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if (e.oldVersion < 1) {
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db.createObjectStore(STATUSES_STORE, {keyPath: 'id'})
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.createIndex(TIMESTAMP, TIMESTAMP)
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db.createObjectStore(STATUS_TIMELINES_STORE, {keyPath: 'id'})
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.createIndex('statusId', 'statusId')
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db.createObjectStore(NOTIFICATIONS_STORE, {keyPath: 'id'})
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.createIndex(TIMESTAMP, TIMESTAMP)
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db.createObjectStore(NOTIFICATION_TIMELINES_STORE, {keyPath: 'id'})
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.createIndex('notificationId', 'notificationId')
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db.createObjectStore(ACCOUNTS_STORE, {keyPath: 'id'})
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.createIndex(TIMESTAMP, TIMESTAMP)
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db.createObjectStore(RELATIONSHIPS_STORE, {keyPath: 'id'})
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.createIndex(TIMESTAMP, TIMESTAMP)
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db.createObjectStore(META_STORE, {keyPath: 'key'})
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db.createObjectStore(PINNED_STATUSES_STORE, {keyPath: 'id'})
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}
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if (e.oldVersion < 2) {
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tx.objectStore(STATUSES_STORE).createIndex(REBLOG_ID, REBLOG_ID)
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}
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if (e.oldVersion < 3) {
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tx.objectStore(NOTIFICATIONS_STORE).createIndex('statusId', 'statusId')
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}
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2018-03-09 02:31:59 +00:00
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if (e.oldVersion < 4) {
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db.createObjectStore(THREADS_STORE, {keyPath: 'id'})
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}
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2018-01-23 17:03:31 +00:00
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}
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req.onsuccess = () => resolve(req.result)
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})
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return databaseCache[instanceName]
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}
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2018-02-09 06:29:29 +00:00
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export async function dbPromise (db, storeName, readOnlyOrReadWrite, cb) {
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return new Promise((resolve, reject) => {
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2018-01-23 17:03:31 +00:00
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const tx = db.transaction(storeName, readOnlyOrReadWrite)
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2018-02-09 06:29:29 +00:00
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let store = typeof storeName === 'string'
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? tx.objectStore(storeName)
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: storeName.map(name => tx.objectStore(name))
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2018-01-23 17:03:31 +00:00
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let res
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cb(store, (result) => {
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res = result
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})
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tx.oncomplete = () => resolve(res)
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2018-02-09 06:29:29 +00:00
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tx.onerror = () => reject(tx.error)
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2018-01-23 17:03:31 +00:00
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})
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}
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2018-02-09 06:29:29 +00:00
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export function deleteDatabase (instanceName) {
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2018-01-23 17:03:31 +00:00
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return new Promise((resolve, reject) => {
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// close any open requests
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2018-02-09 06:29:29 +00:00
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let openReq = openReqs[instanceName]
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2018-01-23 17:03:31 +00:00
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if (openReq && openReq.result) {
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openReq.result.close()
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}
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delete openReqs[instanceName]
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delete databaseCache[instanceName]
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let req = indexedDB.deleteDatabase(instanceName)
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req.onsuccess = () => resolve()
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2018-02-09 06:29:29 +00:00
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req.onerror = () => reject(req.error)
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2018-01-23 17:03:31 +00:00
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})
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2018-02-09 06:29:29 +00:00
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}
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