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Clarify comments + add field handler to multipart sample #609

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Merged
ace-n merged 3 commits into from
May 24, 2018
Merged

Clarify comments + add field handler to multipart sample #609

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6646a23
Clarify comments + add field handler to multipart sample
May 3, 2018
ada23bb
Address comments
May 16, 2018
09ece12
Merge branch 'master' into gcf-unify-multipart
May 24, 2018
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17 changes: 14 additions & 3 deletions functions/http/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -147,21 +147,32 @@ const Busboy = require('busboy');
exports.uploadFile = (req, res) => {
if (req.method === 'POST') {
const busboy = new Busboy({ headers: req.headers });
const tmpdir = os.tmpdir();

// This object will accumulate all the fields, keyed by their name
const fields = {};

// This object will accumulate all the uploaded files, keyed by their name.
const uploads = {};
const tmpdir = os.tmpdir();

// This callback will be invoked for each file uploaded.
// This code will process each non-file field in the form.
busboy.on('field', (fieldname, val) => {
// TODO(developer): Process submitted field values here
console.log(`Processed field ${fieldname}: ${val}.`);
fields[fieldname] = val;
});

// This code will process each file uploaded.
busboy.on('file', (fieldname, file, filename) => {
// Note: os.tmpdir() points to an in-memory file system on GCF
// Thus, any files in it must fit in the instance's memory.
console.log(`Processed file ${filename}`);
const filepath = path.join(tmpdir, filename);
uploads[fieldname] = filepath;
file.pipe(fs.createWriteStream(filepath));
});

// This callback will be invoked after all uploaded files are saved.
// This event will be triggered after all uploaded files are saved.
busboy.on('finish', () => {
// TODO(developer): Process uploaded files here
for (const name in uploads) {
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