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Batch save requests to minimize the number of requests required to import a JSON file

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This commit is contained in:
Andrew Henry 2023-05-05 15:06:59 -07:00
parent f5eacc504b
commit a3560352cd
1 changed files with 52 additions and 1 deletions
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53
src/plugins/persistence/couch/CouchObjectProvider.js
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@ -24,6 +24,7 @@ import CouchDocument from "./CouchDocument";
import CouchObjectQueue from "./CouchObjectQueue";
import { PENDING, CONNECTED, DISCONNECTED, UNKNOWN } from "./CouchStatusIndicator";
import { isNotebookOrAnnotationType } from '../../notebook/notebook-constants.js';
import _ from 'lodash';
const REV = "_rev";
const ID = "_id";
@ -42,6 +43,8 @@ class CouchObjectProvider {
this.batchIds = [];
this.onEventMessage = this.onEventMessage.bind(this);
this.onEventError = this.onEventError.bind(this);
this.flushPersistenceQueue = _.debounce(this.flushPersistenceQueue.bind(this));
this.persistenceQueue = [];
}
/**
@ -666,7 +669,11 @@ class CouchObjectProvider {
const queued = this.objectQueue[key].dequeue();
let document = new CouchDocument(key, queued.model);
document.metadata.created = Date.now();
this.request(key, "PUT", document).then((response) => {
this.put({
key,
document
}).then((response) => {
this.#checkResponse(response, queued.intermediateResponse, key);
}).catch(error => {
queued.intermediateResponse.reject(error);
@ -677,6 +684,50 @@ class CouchObjectProvider {
return intermediateResponse.promise;
}
put({key, document}) {
return new Promise((resolve, reject) => {
this.persistenceQueue.push({
key,
document,
resolve,
reject
});
this.flushPersistenceQueue();
});
}
async flushPersistenceQueue() {
if (this.persistenceQueue.length > 1) {
const batch = {
docs: this.persistenceQueue.map((queued) => queued.document)
};
const response = await this.request("_bulk_docs", "POST", batch);
response.forEach((responseMetadatum) => {
const queued = this.persistenceQueue.find((queuedMetadatum) => queuedMetadatum.key === responseMetadatum.id);
if (responseMetadatum.ok) {
queued.resolve(responseMetadatum);
} else {
queued.reject(responseMetadatum);
}
});
} else if (this.persistenceQueue.length === 1) {
const {
key,
document,
resolve,
reject
} = this.persistenceQueue[0];
this.request(key, "PUT", document)
.then(resolve)
.catch(reject);
}
this.persistenceQueue = [];
}
/**
* @private
*/