parse-server/batch.js at master · codev7/parse-server · GitHub

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var Parse = require('parse/node').Parse;

// These methods handle batch requests.

var batchPath = '/batch';

// Mounts a batch-handler onto a PromiseRouter.

function mountOnto(router) {

router.route('POST', batchPath, (req) => {

return handleBatch(router, req);

});

}

// Returns a promise for a {response} object.

// TODO: pass along auth correctly

function handleBatch(router, req) {

if (!req.body.requests instanceof Array) {

throw new Parse.Error(Parse.Error.INVALID_JSON,

'requests must be an array');

}

// The batch paths are all from the root of our domain.

// That means they include the API prefix, that the API is mounted

// to. However, our promise router does not route the api prefix. So

// we need to figure out the API prefix, so that we can strip it

// from all the subrequests.

if (!req.originalUrl.endsWith(batchPath)) {

throw 'internal routing problem - expected url to end with batch';

}

var apiPrefixLength = req.originalUrl.length - batchPath.length;

var apiPrefix = req.originalUrl.slice(0, apiPrefixLength);

var promises = [];

for (var restRequest of req.body.requests) {

// The routablePath is the path minus the api prefix

if (restRequest.path.slice(0, apiPrefixLength) != apiPrefix) {

throw new Parse.Error(

Parse.Error.INVALID_JSON,

'cannot route batch path ' + restRequest.path);

}

var routablePath = restRequest.path.slice(apiPrefixLength);

// Use the router to figure out what handler to use

var match = router.match(restRequest.method, routablePath);

if (!match) {

throw new Parse.Error(

Parse.Error.INVALID_JSON,

'cannot route ' + restRequest.method + ' ' + routablePath);

}

// Construct a request that we can send to a handler

var request = {

body: restRequest.body,

params: match.params,

config: req.config,

auth: req.auth

};

promises.push(match.handler(request).then((response) => {

return {success: response.response};

}, (error) => {

return {error: {code: error.code, error: error.message}};

}));

}

return Promise.all(promises).then((results) => {

return {response: results};

});

}

module.exports = {

mountOnto: mountOnto

};

parse-server/batch.js at master · codev7/parse-server · GitHub

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