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index.js
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index.js
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/**
* This is the main entrypoint to your Probot app
* @param {import('probot').Application} app
*/
const fs = require("fs");
const cp = require('child_process');
const async = require('async');
const wget = require('wget-improved');
const {once, EventEmitter} = require('events')
const ConfigFilename = 'sizeCheck.yml'
function getFileNames(check){
//store all files in a structure that can be looped through
var files
var fileURLs=[]
var fileNames=[]
console.log(typeof check.data)
for(files of check.data)
{
if(files.status == 'added')
{
fileURLs.push(files.raw_url)
fileNames.push(files.filename)
}
}
return [fileURLs,fileNames]
}
function needDeleteFile(dest){
if (fs.existsSync(dest)) {
//file exists
fs.unlink(dest,function(err2){
if(err2) throw err2;
console.log('deletion successful')
});
}
}
//from https://www.devdungeon.com/content/working-files-javascript-nodejs
async function downloadFiles(url,dest){
needDeleteFile(dest);
console.log(url)
let download = wget.download(url, dest);
await once(download,'end')
}
function getFilesizeInBytes(filename) {
var stats = fs.statSync(filename)
var fileSizeInBytes = stats["size"]
return fileSizeInBytes
}
async function getSizes(fileURLs,fileNames,fileDict){
var url
var totalSize = 0
var zip = (a,b) => a.map((x,i) => [x,b[i]]);
for (let [url, name] of zip(fileURLs, fileNames))
//for(url of fileURLs)
{
let download = await downloadFiles(url,'./dummy')
let fileSize= getFilesizeInBytes('dummy')
//create a map between the filename, file size, and the passing status
fileDict[name] = fileSize/1024.0
totalSize+=fileSize
}
//removes last dummy
needDeleteFile('./dummy')
return totalSize
}
module.exports = app => {
// Your code here
app.log('Yay, the app was loaded!')
/*
app.on('issues.opened', async context => {
const issueComment = context.issue({ body: 'Thanks for opening this issue!' })
return context.github.issues.createComment(issueComment)
})
*/
app.on(['pull_request.reopened','pull_request.opened','pull_request.edited','pull_request.synchronize'], async context => {
const timeStart = new Date()
//configuration file with default threshold file size in kB
const config = await context.config(ConfigFilename, {thresholdSize: 100})
const owner = context.payload.repository.owner.login
const repo = context.payload.repository.name
const pr = context.payload.pull_request
const pull_number = pr.number
check = await context.github.pulls.listFiles({
owner,repo,pull_number,
});
[fileURLs,fileNames]=getFileNames(check);
console.log(fileURLs)
//create dictionary to pass into function
var fileDict = {};
//get sizes
totalSize=await getSizes(fileURLs,fileNames,fileDict);
var pass=1;
var failArray= [];
for(var key in fileDict)
{
if(fileDict[key] > config.thresholdSize)
{
pass=0;
failArray.push(key+': '+fileDict[key]+'kB');
}
}
//make check status
if(pass)
{
const passString = String('No files are larger than ' + config.thresholdSize +'kB');
passCheck = context.github.checks.create(context.repo({
name: 'size check',
head_branch: pr.head.ref,
head_sha: pr.head.sha,
started_at: timeStart,
conclusion: 'success',
completed_at: new Date(),
output: {
title: 'All good!',
summary: passString
}
}))
}
else
{
//markdown formatting of string
var failString = 'Some files are larger than ' + config.thresholdSize +'kB:<br /><br />';
failString+="<pre><code>"
for (failings of failArray)
{
//failString+=failings+'<br />'
failString+=failings+'\n'
}
failString+="</code></pre>"
failCheck = context.github.checks.create(context.repo({
name: 'size check',
head_branch: pr.head.ref,
head_sha: pr.head.sha,
started_at: timeStart,
conclusion: 'failure',
completed_at: new Date(),
output: {
title: 'Large files detected!',
summary: failString
}
}))
}
/*
newCheck.then(
context.github.checks.update({
owner,
repo,
conclusion: 'success',
completed_at: newDate(),
output:{
title: fileURLs[0],
summary: 'tested',
}
})
)
*/
/*
if(context.payload.sender.login != 'sizecheck[bot]'){
const issueComment = context.issue({ body: 'Apparent size is '+ totalSize/1024.0 + 'kB'})
return context.github.issues.createComment(issueComment)
}
*/
})
// For more information on building apps:
// https://probot.github.io/docs/
// To get your app running against GitHub, see:
// https://probot.github.io/docs/development/
}