Cache media (#6902)
Akihiko Odaki
7 years ago
committed by
Eugen Rochko
parent
31e7b73084
commit
ca42f9b0eb
@ -1,93 +0,0 @@
|
||||
import asyncDB from './async';
|
||||
|
||||
const limit = 1024;
|
||||
|
||||
function put(name, objects, callback) {
|
||||
asyncDB.then(db => {
|
||||
const putTransaction = db.transaction(name, 'readwrite');
|
||||
const putStore = putTransaction.objectStore(name);
|
||||
const putIndex = putStore.index('id');
|
||||
|
||||
objects.forEach(object => {
|
||||
function add() {
|
||||
putStore.add(object);
|
||||
}
|
||||
|
||||
putIndex.getKey(object.id).onsuccess = retrieval => {
|
||||
if (retrieval.target.result) {
|
||||
putStore.delete(retrieval.target.result).onsuccess = add;
|
||||
} else {
|
||||
add();
|
||||
}
|
||||
};
|
||||
});
|
||||
|
||||
putTransaction.oncomplete = () => {
|
||||
const readTransaction = db.transaction(name, 'readonly');
|
||||
const readStore = readTransaction.objectStore(name);
|
||||
|
||||
readStore.count().onsuccess = count => {
|
||||
const excess = count.target.result - limit;
|
||||
|
||||
if (excess > 0) {
|
||||
readStore.getAll(null, excess).onsuccess =
|
||||
retrieval => callback(retrieval.target.result.map(({ id }) => id));
|
||||
}
|
||||
};
|
||||
};
|
||||
});
|
||||
}
|
||||
|
||||
export function evictAccounts(ids) {
|
||||
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(id => {
|
||||
accountsMovedIndex.getAllKeys(id).onsuccess =
|
||||
({ target }) => evict(target.result);
|
||||
|
||||
statusesIndex.getAll(id).onsuccess =
|
||||
({ target }) => evictStatuses(target.result.map(({ id }) => id));
|
||||
|
||||
accountsIdIndex.getKey(id).onsuccess =
|
||||
({ target }) => target.result && accounts.delete(target.result);
|
||||
});
|
||||
}
|
||||
|
||||
evict(ids);
|
||||
});
|
||||
}
|
||||
|
||||
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);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
export function putAccounts(records) {
|
||||
put('accounts', records, evictAccounts);
|
||||
}
|
||||
|
||||
export function putStatuses(records) {
|
||||
put('statuses', records, evictStatuses);
|
||||
}
|
||||
@ -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);
|
||||
}
|
||||
Loading…
Reference in new issue