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Fix concurrent loadItems in CatalogEntityStore

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Signed-off-by: Panu Horsmalahti <phorsmalahti@mirantis.com>
This commit is contained in:
Panu Horsmalahti 2021-11-16 14:23:39 +02:00
parent 105c875c84
commit e20e7949fb
2 changed files with 34 additions and 5 deletions
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6
src/renderer/api/catalog-entity-registry.ts
View File

@ -171,7 +171,7 @@ export class CatalogEntityRegistry {
* @param fn The function that should return a truthy value if that entity should be sent currently "active"
* @returns A function to remove that filter
*/
addCatalogFilter(fn: EntityFilter): Disposer {
@action addCatalogFilter(fn: EntityFilter): Disposer {
this.filters.add(fn);
return once(() => void this.filters.delete(fn));
@ -182,9 +182,7 @@ export class CatalogEntityRegistry {
* @param onBeforeRun The function that should return a boolean if the onRun of catalog entity should be triggered.
* @returns A function to remove that hook
*/
addOnBeforeRun(onBeforeRun: CatalogEntityOnBeforeRun): Disposer {
logger.debug(`[CATALOG-ENTITY-REGISTRY]: adding onBeforeRun hook`);
@action addOnBeforeRun(onBeforeRun: CatalogEntityOnBeforeRun): Disposer {
this.onBeforeRunHooks.add(onBeforeRun);
return once(() => void this.onBeforeRunHooks.delete(onBeforeRun));

33
src/renderer/components/+catalog/catalog-entity.store.tsx
View File

@ -19,7 +19,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
import { computed, makeObservable, observable, reaction } from "mobx";
import { when, computed, makeObservable, observable, reaction } from "mobx";
import { catalogEntityRegistry, CatalogEntityRegistry } from "../../api/catalog-entity-registry";
import type { CatalogEntity } from "../../api/catalog-entity";
import { ItemStore } from "../../../common/item.store";
@ -67,4 +67,35 @@ export class CatalogEntityStore extends ItemStore<CatalogEntityItem<CatalogEntit
return this.loadItems(() => this.entities);
}
/**
* Override ItemStore::loadItems, the only difference is that
* if isLoading is true, we await for it to be false and then continue
* loading.
* This avoids a bug where if there were two or more concurrent loadItems() calls,
* only the first one would complete.
*/
protected async loadItems(
request: (() => Promise<CatalogEntityItem<CatalogEntity>[] | any>) | (() => CatalogEntityItem<CatalogEntity>[] | any),
sortItems = true,
) {
if (this.isLoading) {
await when(() => !this.isLoading);
}
this.isLoading = true;
try {
let items = await request();
if (sortItems) {
items = this.sortItems(items);
}
this.items.replace(items);
this.isLoaded = true;
} finally {
this.isLoading = false;
}
}
}