@webiny/api-headless-cms-ddb-es/operations/entry/dataLoader/getAllEntryRevisions.js

DynamoDB and Elasticsearch storage operations plugin for Headless CMS API.

import DataLoader from "dataloader";
import { createPartitionKey } from "../keys.js";
import { createBatchScheduleFn } from "./createBatchScheduleFn.js";
export const createGetAllEntryRevisions = params => {
  const {
    entity,
    tenant,
    modelId
  } = params;
  return new DataLoader(async ids => {
    const results = {};
    for (const id of ids) {
      results[id] = (await entity.queryAllClean({
        partitionKey: createPartitionKey({
          tenant,
          id
        }),
        options: {
          beginsWith: "REV#"
        }
      })).map(item => {
        return item.data;
      });
    }
    return ids.map(entryId => {
      return (results[entryId] || []).filter(item => {
        return item.modelId === modelId;
      });
    });
  }, {
    batchScheduleFn: createBatchScheduleFn()
  });
};

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