Vulcan/packages/vulcan-core/lib/modules/containers/withCreate.js

/*

Generic mutation wrapper to insert a new document in a collection and update
a related query on the client with the new item and a new total item count. 

Sample mutation: 

  mutation updateMovie($document: MoviesInput) {
    updateMovie(document: $document) {
      ...MovieFormFragment
    }
  }

Arguments: 

  - document: the document to insert

Child Props:

  - createMovie(document)
    
*/

import React, { Component } from 'react';
import { graphql } from 'react-apollo';
import gql from 'graphql-tag';
import { getFragment, getFragmentName, getCollection, createClientTemplate } from 'meteor/vulcan:core';

export default function withCreate(options) {

  const { collectionName } = options;
  // get options
  const collection = options.collection || getCollection(collectionName),
        fragment = options.fragment || getFragment(options.fragmentName || `${collectionName}DefaultFragment`),
        fragmentName = getFragmentName(fragment),
        typeName = collection.options.typeName,
        query = gql`${createClientTemplate({ typeName, fragmentName })}${fragment}`;

  // wrap component with graphql HoC
  return graphql(query, {
    alias: `withCreate${typeName}`,
    props: ({ownProps, mutate}) => ({
      [`create${typeName}`]: (args) => {
        const { data } = args;
        return mutate({ 
          variables: { input: { data } },
        });
      },
      // OpenCRUD backwards compatibility
      newMutation: (args) => {
        const { document } = args;
        return mutate({ 
          variables: { input: { data: document } },
        });
      }
    }),
  });

}