graphql-compose-mongoose/es/resolvers/findByIds.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; };

import { limitHelper, limitHelperArgs, sortHelper, sortHelperArgs, projectionHelper } from './helpers';


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

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

  return new tc.constructor.schemaComposer.Resolver({
    type: [tc],
    name: 'findByIds',
    kind: 'query',
    args: _extends({
      _ids: '[MongoID]!'
    }, limitHelperArgs(_extends({}, opts && opts.limit)), sortHelperArgs(tc, model, _extends({
      sortTypeName: `SortFindByIds${tc.getTypeName()}Input`
    }, opts && opts.sort))),
    resolve: resolveParams => {
      const args = resolveParams.args || {};

      if (!Array.isArray(args._ids) || args._ids.length === 0) {
        return Promise.resolve([]);
      }

      const selector = {
        _id: { $in: args._ids }
      };

      resolveParams.query = model.find(selector); // eslint-disable-line
      projectionHelper(resolveParams);
      limitHelper(resolveParams);
      sortHelper(resolveParams);
      return resolveParams.query.exec();
    }
  });
}