graphql-compose-mongoose/es/resolvers/createOne.js

Plugin for `graphql-compose` which derive a graphql types from a mongoose model.

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, new-cap */

import { recordHelperArgs } from './helpers';


export default function createOne(model, tc, opts) {
  if (!model || !model.modelName || !model.schema) {
    throw new Error('First arg for Resolver createOne() should be instance of Mongoose Model.');
  }

  if (!tc || tc.constructor.name !== 'TypeComposer') {
    throw new Error('Second arg for Resolver createOne() should be instance of TypeComposer.');
  }

  const outputTypeName = `CreateOne${tc.getTypeName()}Payload`;
  const outputType = tc.constructor.schemaComposer.getOrCreateTC(outputTypeName, t => {
    t.addFields({
      recordId: {
        type: 'MongoID',
        description: 'Created document ID'
      },
      record: {
        type: tc,
        description: 'Created document'
      }
    });
  });

  const resolver = new tc.constructor.schemaComposer.Resolver({
    name: 'createOne',
    kind: 'mutation',
    description: 'Create one document with mongoose defaults, setters, hooks and validation',
    type: outputType,
    args: _extends({}, recordHelperArgs(tc, _extends({
      recordTypeName: `CreateOne${tc.getTypeName()}Input`,
      removeFields: ['id', '_id'],
      isRequired: true
    }, opts && opts.record))),
    resolve: async resolveParams => {
      const recordData = resolveParams.args && resolveParams.args.record || {};

      if (!(typeof recordData === 'object') || Object.keys(recordData).length === 0) {
        throw new Error(`${tc.getTypeName()}.createOne resolver requires at least one value in args.record`);
      }

      let doc = new model(recordData);
      if (resolveParams.beforeRecordMutate) {
        doc = await resolveParams.beforeRecordMutate(doc, resolveParams);
        if (!doc) return null;
      }
      await doc.save();

      return {
        record: doc,
        recordId: tc.getRecordIdFn()(doc)
      };
    }
  });

  return resolver;
}