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Commit ce6f3a95 authored by Josefine Wegert's avatar Josefine Wegert
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work in progress: promises for zip

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with 88 additions and 123 deletions
app.js
+ 88
− 123
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...@@ -14,10 +14,10 @@ var exphbs = require('express-handlebars'); ...@@ -14,10 +14,10 @@ var exphbs = require('express-handlebars');
//initializer //initializer
var nanit = require('nanit'); var nanit = require('nanit');
//load names of available download files //load names of available download files
var downloadFiles = require('./downloadFiles.json'); const downloadFiles = require('./downloadFiles.json');
var downloadNames = Object.keys(downloadFiles); const downloadNames = Object.keys(downloadFiles);
var app = express(); let app = express();
app.use(bodyParser.urlencoded({ app.use(bodyParser.urlencoded({
extended: true extended: true
...@@ -29,13 +29,13 @@ app.engine('.hbs', exphbs({extname: '.hbs'})); ...@@ -29,13 +29,13 @@ app.engine('.hbs', exphbs({extname: '.hbs'}));
app.set('view engine', '.hbs'); app.set('view engine', '.hbs');
//initialize the git repos //initialize the git repos
//TODO error handling is not working properly, error returned is not in var error, but in req + req and res are undefined! //TODO error handling is not working properly, error returned is not in let error, but in req + req and res are undefined!
// nanit.initialize(downloadFiles, function(req,res,err){ // nanit.initialize(downloadFiles, function(req,res,err){
// // console.log('err in nanit.initialize:', err); // // console.log('err in nanit.initialize:', err);
// // console.log('req in nanit.initialize:', req); // // console.log('req in nanit.initialize:', req);
// // console.log('res in nanit.initialize:', res); // // console.log('res in nanit.initialize:', res);
// var response = // let response =
// 'There was an error during cloning the git repositories. ' + // 'There was an error during cloning the git repositories. ' +
// 'Please contact "explorviz-developers-request@listserv.dfn.de" ' + // 'Please contact "explorviz-developers-request@listserv.dfn.de" ' +
// 'and add the following information: ' + req; // 'and add the following information: ' + req;
...@@ -69,14 +69,11 @@ app.get('/download', function(req, res){ ...@@ -69,14 +69,11 @@ app.get('/download', function(req, res){
const promiseArray = [] const promiseArray = []
const checkedFiles = req.query.checkedFiles.split(','); const checkedFiles = req.query.checkedFiles.split(',');
const zip = new JSZip();
// create a file to stream archive data to. // create a file to stream archive data to.
const zip = new JSZip();
zip.file("README.txt", "text for README"); zip.file("README.txt", "text for README");
var frontendFinished = false;
var backendFinished = false;
//----------------------------------------------------------------backend
backendChecked = checkedFiles.find(function(file){ backendChecked = checkedFiles.find(function(file){
return file === 'explorviz-ui-backend'; return file === 'explorviz-ui-backend';
}); });
...@@ -86,30 +83,26 @@ if (backendChecked){ ...@@ -86,30 +83,26 @@ if (backendChecked){
const fileName = backendChecked; const fileName = backendChecked;
const downloadURL = downloadFiles[backendChecked]; const downloadURL = downloadFiles[backendChecked];
const backendPromise = new Promise((resolve, reject)=> { const backendPromise = new Promise((resolve, reject)=> {
exec('git pull ' + ' && cd ' + fileName + ' && mvn compile war:war ', (error, stdout, stderr) => { exec('git pull ' + ' && cd ' + fileName + ' && mvn compile war:war ', (error, stdout, stderr) => {
//addBackend();
console.log('error in exec', error);
if (error) { if (error) {
reject(error); reject(error);
// res.send(response); beim promise.all return;
return;
} }
console.log(stdout); console.log(stdout);
console.log(stderr); console.log(stderr);
resolve({fileName:"backend.war", path:"explorviz-ui-backend/target/explorviz-ui-backend-1.0-SNAPSHOT.war"});
resolve({zipFileName:'backend.war', path:'explorviz-ui-backend/target/explorviz-ui-backend-1.0-SNAPSHOT.war'});
}); });
}) })
promiseArray.push(backendPromise); promiseArray.push(backendPromise);
console.log('promiseArray:',promiseArray); console.log('promiseArray:',promiseArray);
} }
//--------------------------------------------------------------------------------frontend
frontendChecked = checkedFiles.find(function(file){ frontendChecked = checkedFiles.find(function(file){
return file === 'explorviz-ui-frontend'; return file === 'explorviz-ui-frontend';
...@@ -119,123 +112,113 @@ if (frontendChecked){ ...@@ -119,123 +112,113 @@ if (frontendChecked){
const fileName = frontendChecked; const fileName = frontendChecked;
const downloadURL = downloadFiles[frontendChecked]; const downloadURL = downloadFiles[frontendChecked];
exec('git pull ', (error, stdout, stderr) => { const frontendPullPromise = new Promise((resolve, reject) => {
installAddons(); console.log('resolve frontendPullPromise', resolve);
var response = exec('cd ' + fileName + ' git pull ', (error, stdout, stderr) => {
'There was an error during your build. ' +
'Please contact "explorviz-developers-request@listserv.dfn.de" ' +
'and add the following information: ' + error;
if (error) { if (error) {
res.send(response); reject(error)
return; return;
} }
}); console.log(stdout);
console.log(stderr);
resolve();
});
})
promiseArray.push(frontendPullPromise);
console.log('promiseArray.push(frontendPullPromise):',promiseArray);
};
function installAddons(){ // const frontendInstallAddons = frontendPullPromise.then((resolve, reject) => {
console.log('in installAddons()');
checkedPlugins = checkedFiles.filter(function(file){
return /\bexplorviz-frontend-plugin-\w*/.exec(file);
});
checkedPlugins.forEach((pluginName) => { // console.log('in installAddons()');
exec('cd ' + 'explorviz-ui-frontend ' + 'ember install ' + downloadFiles[pluginName], (error, stdout, stderr) => { // checkedPlugins = checkedFiles.filter(function(file){
// return /\bexplorviz-frontend-plugin-\w*/.exec(file);
var response = // });
'There was an error during your build. ' + // console.log('checkedPlugins', checkedPlugins);
'Please contact "explorviz-developers-request@listserv.dfn.de" ' + // checkedPlugins.forEach((pluginName) => {
'and add the following information: ' + error; // exec('cd ' + 'explorviz-ui-frontend ' + 'ember install ' + downloadFiles[pluginName], (error, stdout, stderr) => {
// console.log('in exec plugin install');
// console.log('error in exec plugin install', error);
// if (error) {
// reject(error);
// return;
// }
if (error) { // console.log(stdout);
res.send(response); // console.log(stderr);
return;
}
console.log(stdout); // resolve({zipFileName:'Zwischenschritt2', path:'./explorviz-ui-frontend/dist/'});
console.log(stderr);
}); // });
}); // })
buildFrontend();
};
// })
//promiseArray.push(frontendInstallAddons);
//console.log('promiseArray.push(frontendInstallAddons):',promiseArray);
function buildFrontend(){ const frontendBuildPromise = frontendPullPromise.then((resolve)=> {
console.log('buildFrontend()'); console.log('resolve frontendBuildPromise', resolve);
//build everything you have //build everything you have
exec('cd explorviz-ui-frontend && ember build --environment=production', (error, stdout, stderr) => { exec('cd ' + fileName +' && ember build --environment=production', (error, stdout, stderr) => {
//exec('cd explorviz-ui-frontend', (error, stdout, stderr) => {
addFrontend(); // if (error) {
// reject(error);
// return;
// }
console.log(stdout);
console.log(stderr);
var response = resolve({zipFileName:'frontend', path:'./explorviz-ui-frontend/dist/'});
'There was an error during your build. ' + });
'Please contact "explorviz-developers-request@listserv.dfn.de" ' +
'and add the following information: ' + error;
if (error) {
res.send(response);
return;
}
console.log(stdout);
console.log(stderr);
}); })
}; // ------------------------------------------ember build console.log('frontendBuildPromise:', frontendBuildPromise);
promiseArray.push(frontendBuildPromise);
console.log('promiseArray:',promiseArray);
// function addBackend(){
// // read a file as a stream and add it to a zip
// console.log('addBackend()');
// const backendStream = fs.createReadStream("explorviz-ui-backend/target/explorviz-ui-backend-1.0-SNAPSHOT.war");
// zip.file("backend.war", backendStream);
// backendFinished = true;
// createZip();
// };
function addFrontend(){
console.log("in addFrontend");
var stream = fsReaddir('./explorviz-ui-frontend/dist/')
.on('error', function(err) {
console.log('error:', err);
}).on('data', function(data){
for (var i=0; i<data.length; i++) {
const frontendStream = fs.createReadStream(data[i]);
zip.file(data[i], frontendStream);
}
}).on('finish',function(){
frontendFinished = true;
createZip();
});
}; };
Promise.all(promiseArray).then(files => {
//if (files.fileName === "backend.war"){
console.log('files.path' ,files.path);
console.log('files.fileName', files.fileName);
backendStream = fs.createReadStream(files.path);
zip.file(files.fileName, backendStream);
Promise.all(promiseArray).then(files => {
console.log('in promise.all: promiseArray', promiseArray);
files.forEach(file => {
if (file.zipFileName === 'backend.war'){
backendStream = fs.createReadStream(file.path);
zip.file(file.zipFileName, backendStream);
}
if(file.zipFileName === 'frontend'){
console.log('zipFileName: frontend', file.zipFileName);
const stream = fsReaddir(file.path)
.on('error', function(err) {
console.log('error:', err);
}).on('data', function(data){
for (let i=0; i<data.length; i++) {
const frontendStream = fs.createReadStream(data[i]);
zip.file(data[i], frontendStream);
}
})
}
});
zip.generateNodeStream({type:'nodebuffer',streamFiles:true}).pipe(fs.createWriteStream('explorviz-builds.zip')).on('finish', function () { zip.generateNodeStream({type:'nodebuffer',streamFiles:true}).pipe(fs.createWriteStream('explorviz-builds.zip')).on('finish', function () {
console.log('explorviz-builds.zip written.'); console.log('explorviz-builds.zip written.');
res.download('explorviz-builds.zip'); res.download('explorviz-builds.zip');
}); });
}).catch(function(error) {let response = }).catch(function(error) {let response =
'There was an error during your build. ' + 'There was an error during your build. ' +
'Please contact "explorviz-developers-request@listserv.dfn.de" ' + 'Please contact "explorviz-developers-request@listserv.dfn.de" ' +
'and add the following information: ' + error; 'and add the following information: ' + error;
...@@ -243,24 +226,6 @@ zip.generateNodeStream({type:'nodebuffer',streamFiles:true}).pipe(fs.createWrite ...@@ -243,24 +226,6 @@ zip.generateNodeStream({type:'nodebuffer',streamFiles:true}).pipe(fs.createWrite
}) })
// function createZip(){
// console.log('frontendFinished', frontendFinished);
// console.log('backendFinished', backendFinished);
// //create zip and download it
// zip.generateNodeStream({type:'nodebuffer',streamFiles:true}).pipe(fs.createWriteStream('explorviz-builds.zip')).on('finish', function () {
// // JSZip generates a readable stream with a "end" event,
// // but is piped here in a writable stream which emits a "finish" event.
// console.log("explorviz-builds.zip written.");
// res.download('explorviz-builds.zip');
// });
// };
}); });
......
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