graphql-compose-mongoose
Version:
Plugin for `graphql-compose` which derive a graphql types from a mongoose model.
85 lines (68 loc) • 2.97 kB
JavaScript
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
/* eslint-disable no-param-reassign */
import { recordHelperArgs } from './helpers/record';
import findById from './findById';
export default function updateById(model, tc, opts) {
if (!model || !model.modelName || !model.schema) {
throw new Error('First arg for Resolver updateById() should be instance of Mongoose Model.');
}
if (!tc || tc.constructor.name !== 'TypeComposer') {
throw new Error('Second arg for Resolver updateById() should be instance of TypeComposer.');
}
const findByIdResolver = findById(model, tc);
const outputTypeName = `UpdateById${tc.getTypeName()}Payload`;
const outputType = tc.constructor.schemaComposer.getOrCreateTC(outputTypeName, t => {
t.addFields({
recordId: {
type: 'MongoID',
description: 'Updated document ID'
},
record: {
type: tc.getType(),
description: 'Updated document'
}
});
});
const resolver = new tc.constructor.schemaComposer.Resolver({
name: 'updateById',
kind: 'mutation',
description: 'Update one document: ' + '1) Retrieve one document by findById. ' + '2) Apply updates to mongoose document. ' + '3) Mongoose applies defaults, setters, hooks and validation. ' + '4) And save it.',
type: outputType,
args: _extends({}, recordHelperArgs(tc, _extends({
recordTypeName: `UpdateById${tc.getTypeName()}Input`,
requiredFields: ['_id'],
isRequired: true
}, opts && opts.record))),
resolve: async resolveParams => {
const recordData = resolveParams.args && resolveParams.args.record || {};
if (!(typeof recordData === 'object')) {
return Promise.reject(new Error(`${tc.getTypeName()}.updateById resolver requires args.record value`));
}
if (!recordData._id) {
return Promise.reject(new Error(`${tc.getTypeName()}.updateById resolver requires args.record._id value`));
}
resolveParams.args._id = recordData._id;
delete recordData._id;
// We should get all data for document, cause Mongoose model may have hooks/middlewares
// which required some fields which not in graphql projection
// So empty projection returns all fields.
resolveParams.projection = {};
let doc = await findByIdResolver.resolve(resolveParams);
if (resolveParams.beforeRecordMutate) {
doc = await resolveParams.beforeRecordMutate(doc, resolveParams);
}
if (!doc) {
throw new Error('Document not found');
}
if (recordData) {
doc.set(recordData);
await doc.save();
}
return {
record: doc,
recordId: tc.getRecordIdFn()(doc)
};
}
});
return resolver;
}