forked from mystiq/hydrogen-web
57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
import RoomTimelineStore from "./stores/RoomTimelineStore.js";
|
|
|
|
export default class Transaction {
|
|
constructor(storeValues, writable) {
|
|
this._storeValues = storeValues;
|
|
this._txnStoreValues = {};
|
|
this._writable = writable;
|
|
}
|
|
|
|
_store(name, mapper) {
|
|
if (!this._txnStoreValues.hasOwnProperty(name)) {
|
|
if (!this._storeValues.hasOwnProperty(name)) {
|
|
throw new Error(`Transaction wasn't opened for store ${name}`);
|
|
}
|
|
const store = mapper(this._storeValues[name]);
|
|
const clone = store.cloneStoreValue();
|
|
// extra prevention for writing
|
|
if (!this._writable) {
|
|
Object.freeze(clone);
|
|
}
|
|
this._txnStoreValues[name] = clone;
|
|
}
|
|
return mapper(this._txnStoreValues[name]);
|
|
}
|
|
|
|
get session() {
|
|
throw new Error("not yet implemented");
|
|
// return this._store("session", storeValue => new SessionStore(storeValue));
|
|
}
|
|
|
|
get roomSummary() {
|
|
throw new Error("not yet implemented");
|
|
// return this._store("roomSummary", storeValue => new RoomSummaryStore(storeValue));
|
|
}
|
|
|
|
get roomTimeline() {
|
|
return this._store("roomTimeline", storeValue => new RoomTimelineStore(storeValue));
|
|
}
|
|
|
|
get roomState() {
|
|
throw new Error("not yet implemented");
|
|
// return this._store("roomState", storeValue => new RoomStateStore(storeValue));
|
|
}
|
|
|
|
complete() {
|
|
for(let name of Object.keys(this._txnStoreValues)) {
|
|
this._storeValues[name] = this._txnStoreValues[name];
|
|
}
|
|
this._txnStoreValues = null;
|
|
return Promise.resolve();
|
|
}
|
|
|
|
abort() {
|
|
this._txnStoreValues = null;
|
|
return Promise.resolve();
|
|
}
|
|
}
|