rxdb/dist/cjs/plugins/attachments/attachments-utils.js

A local-first realtime NoSQL Database for JavaScript applications - https://rxdb.info/

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.assignMethodsToAttachment = assignMethodsToAttachment;
exports.ensureSchemaSupportsAttachments = ensureSchemaSupportsAttachments;
exports.fillWriteDataForAttachmentsChange = fillWriteDataForAttachmentsChange;
var _rxError = require("../../rx-error.js");
var _index = require("../utils/index.js");
function ensureSchemaSupportsAttachments(doc) {
  var schemaJson = doc.collection.schema.jsonSchema;
  if (!schemaJson.attachments) {
    throw (0, _rxError.newRxError)('AT1', {
      link: 'https://pubkey.github.io/rxdb/rx-attachment.html'
    });
  }
}
function assignMethodsToAttachment(attachment) {
  Object.entries(attachment.doc.collection.attachments).forEach(([funName, fun]) => {
    Object.defineProperty(attachment, funName, {
      get: () => fun.bind(attachment)
    });
  });
}

/**
 * Fill up the missing attachment.data of the newDocument
 * so that the new document can be send to somewhere else
 * which could then receive all required attachments data
 * that it did not have before.
 */
async function fillWriteDataForAttachmentsChange(primaryPath, storageInstance, newDocument, originalDocument) {
  if (!newDocument._attachments || originalDocument && !originalDocument._attachments) {
    throw new Error('_attachments missing');
  }
  var docId = newDocument[primaryPath];
  var originalAttachmentsIds = new Set(originalDocument && originalDocument._attachments ? Object.keys(originalDocument._attachments) : []);
  await Promise.all(Object.entries(newDocument._attachments).map(async ([key, value]) => {
    if ((!originalAttachmentsIds.has(key) || originalDocument && (0, _index.ensureNotFalsy)(originalDocument._attachments)[key].digest !== value.digest) && !value.data) {
      var attachmentDataString = await storageInstance.getAttachmentData(docId, key, value.digest);
      value.data = attachmentDataString;
    }
  }));
  return newDocument;
}
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