-
-
Notifications
You must be signed in to change notification settings - Fork 6.9k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
31e7b73
commit ca42f9b
Showing
10 changed files
with
189 additions
and
103 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file was deleted.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
File renamed without changes.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,151 @@ | ||
import asyncDB from './db'; | ||
import { autoPlayGif } from '../initial_state'; | ||
|
||
const accountAssetKeys = ['avatar', 'avatar_static', 'header', 'header_static']; | ||
const avatarKey = autoPlayGif ? 'avatar' : 'avatar_static'; | ||
const limit = 1024; | ||
const asyncCache = caches.open('mastodon-system'); | ||
|
||
function put(name, objects, onupdate, oncreate) { | ||
return asyncDB.then(db => new Promise((resolve, reject) => { | ||
const putTransaction = db.transaction(name, 'readwrite'); | ||
const putStore = putTransaction.objectStore(name); | ||
const putIndex = putStore.index('id'); | ||
|
||
objects.forEach(object => { | ||
putIndex.getKey(object.id).onsuccess = retrieval => { | ||
function addObject() { | ||
putStore.add(object); | ||
} | ||
|
||
function deleteObject() { | ||
putStore.delete(retrieval.target.result).onsuccess = addObject; | ||
} | ||
|
||
if (retrieval.target.result) { | ||
if (onupdate) { | ||
onupdate(object, retrieval.target.result, putStore, deleteObject); | ||
} else { | ||
deleteObject(); | ||
} | ||
} else { | ||
if (oncreate) { | ||
oncreate(object, addObject); | ||
} else { | ||
addObject(); | ||
} | ||
} | ||
}; | ||
}); | ||
|
||
putTransaction.oncomplete = () => { | ||
const readTransaction = db.transaction(name, 'readonly'); | ||
const readStore = readTransaction.objectStore(name); | ||
const count = readStore.count(); | ||
|
||
count.onsuccess = () => { | ||
const excess = count.result - limit; | ||
|
||
if (excess > 0) { | ||
const retrieval = readStore.getAll(null, excess); | ||
|
||
retrieval.onsuccess = () => resolve(retrieval.result); | ||
retrieval.onerror = reject; | ||
} else { | ||
resolve([]); | ||
} | ||
}; | ||
|
||
count.onerror = reject; | ||
}; | ||
|
||
putTransaction.onerror = reject; | ||
})); | ||
} | ||
|
||
function evictAccountsByRecords(records) { | ||
asyncDB.then(db => { | ||
const transaction = db.transaction(['accounts', 'statuses'], 'readwrite'); | ||
const accounts = transaction.objectStore('accounts'); | ||
const accountsIdIndex = accounts.index('id'); | ||
const accountsMovedIndex = accounts.index('moved'); | ||
const statuses = transaction.objectStore('statuses'); | ||
const statusesIndex = statuses.index('account'); | ||
|
||
function evict(toEvict) { | ||
toEvict.forEach(record => { | ||
asyncCache.then(cache => accountAssetKeys.forEach(key => cache.delete(records[key]))); | ||
|
||
accountsMovedIndex.getAll(record.id).onsuccess = ({ target }) => evict(target.result); | ||
|
||
statusesIndex.getAll(record.id).onsuccess = | ||
({ target }) => evictStatusesByRecords(target.result); | ||
|
||
accountsIdIndex.getKey(record.id).onsuccess = | ||
({ target }) => target.result && accounts.delete(target.result); | ||
}); | ||
} | ||
|
||
evict(records); | ||
}); | ||
} | ||
|
||
export function evictStatus(id) { | ||
return evictStatuses([id]); | ||
} | ||
|
||
export function evictStatuses(ids) { | ||
asyncDB.then(db => { | ||
const store = db.transaction('statuses', 'readwrite').objectStore('statuses'); | ||
const idIndex = store.index('id'); | ||
const reblogIndex = store.index('reblog'); | ||
|
||
ids.forEach(id => { | ||
reblogIndex.getAllKeys(id).onsuccess = | ||
({ target }) => target.result.forEach(reblogKey => store.delete(reblogKey)); | ||
|
||
idIndex.getKey(id).onsuccess = | ||
({ target }) => target.result && store.delete(target.result); | ||
}); | ||
}); | ||
} | ||
|
||
function evictStatusesByRecords(records) { | ||
evictStatuses(records.map(({ id }) => id)); | ||
} | ||
|
||
export function putAccounts(records) { | ||
const newURLs = []; | ||
|
||
put('accounts', records, (newRecord, oldKey, store, oncomplete) => { | ||
store.get(oldKey).onsuccess = ({ target }) => { | ||
accountAssetKeys.forEach(key => { | ||
const newURL = newRecord[key]; | ||
const oldURL = target.result[key]; | ||
|
||
if (newURL !== oldURL) { | ||
asyncCache.then(cache => cache.delete(oldURL)); | ||
} | ||
}); | ||
|
||
const newURL = newRecord[avatarKey]; | ||
const oldURL = target.result[avatarKey]; | ||
|
||
if (newURL !== oldURL) { | ||
newURLs.push(newURL); | ||
} | ||
|
||
oncomplete(); | ||
}; | ||
}, (newRecord, oncomplete) => { | ||
newURLs.push(newRecord[avatarKey]); | ||
oncomplete(); | ||
}).then(records => { | ||
evictAccountsByRecords(records); | ||
asyncCache.then(cache => cache.addAll(newURLs)); | ||
}); | ||
} | ||
|
||
export function putStatuses(records) { | ||
put('statuses', records).then(evictStatusesByRecords); | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters