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Do not fetch GroupStore resources if already fetching

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This commit is contained in:
lukebarnard 2018-01-17 17:01:42 +00:00
parent 3ebf278cf3
commit 5f413ddf8b
1 changed files with 11 additions and 0 deletions
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11
src/stores/GroupStore.js
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@ -53,6 +53,7 @@ export default class GroupStore extends EventEmitter {
this._state[GroupStore.STATE_KEY.GroupInvitedMembers] = [];
this._ready = {};
this._fetchResourcePromise = {};
this._resourceFetcher = {
[GroupStore.STATE_KEY.Summary]: () => {
return MatrixClientPeg.get()
@ -81,7 +82,14 @@ export default class GroupStore extends EventEmitter {
}
_fetchResource(stateKey) {
// Ongoing request, ignore
if (this._fetchResourcePromise[stateKey]) return;
const clientPromise = this._resourceFetcher[stateKey]();
// Indicate ongoing request
this._fetchResourcePromise[stateKey] = clientPromise;
clientPromise.then((result) => {
this._state[stateKey] = result;
this._ready[stateKey] = true;
@ -94,6 +102,9 @@ export default class GroupStore extends EventEmitter {
console.error("Failed to get resource " + stateKey + ":" + err);
this.emit('error', err);
}).finally(() => {
// Indicate finished request, allow for future fetches
delete this._fetchResourcePromise[stateKey];
});
return clientPromise;