From ba6763e3d240edfed1c5f3a066d8b6d70edccde1 Mon Sep 17 00:00:00 2001
From: jweg <jweg@informatik.uni-kiel.de>
Date: Fri, 7 Jul 2017 15:00:26 +0200
Subject: [PATCH] work in progress: part of downloader for backend
---
app.js | 280 +++++++++++++++++++++++++++++++++++++--------------------
1 file changed, 185 insertions(+), 95 deletions(-)
diff --git a/app.js b/app.js
index 4f38493..58f929d 100644
--- a/app.js
+++ b/app.js
@@ -31,22 +31,22 @@
//initialize the git repos
//TODO error handling is not working properly, error returned is not in let error, but in req + req and res are undefined!
//TODO add spinner for telling user to wait until initialization is done
- nanit.initialize(downloadFiles, function(req,res,err){
- // console.log('err in nanit.initialize:', err);
- // console.log('req in nanit.initialize:', req);
- // console.log('res in nanit.initialize:', res);
-
- let response =
- 'There was an error during cloning the git repositories. ' +
- 'Please contact "explorviz-developers-request@listserv.dfn.de" ' +
- 'and add the following information: ' + req;
- if(err){
- console.log('nanit.initialize error');
- res.send(response);
- return;
- };
-
- });
+// nanit.initialize(downloadFiles, function(req,res,err){
+// // console.log('err in nanit.initialize:', err);
+// // console.log('req in nanit.initialize:', req);
+// // console.log('res in nanit.initialize:', res);
+
+// let response =
+// 'There was an error during cloning the git repositories. ' +
+// 'Please contact "explorviz-developers-request@listserv.dfn.de" ' +
+// 'and add the following information: ' + req;
+// if(err){
+// console.log('nanit.initialize error');
+// res.send(response);
+// return;
+// };
+
+// });
//routes
app.get('/', function(req, res){
@@ -67,6 +67,7 @@
app.get('/download', function(req, res){
+ //holds promises for backend and/or frontend
const promiseArray = []
const checkedFiles = req.query.checkedFiles.split(',');
@@ -84,25 +85,113 @@
const fileName = backendChecked;
const downloadURL = downloadFiles[backendChecked];
- const backendPromise = new Promise((resolve, reject)=> {
- exec('git pull ' + ' && cd ' + fileName + ' && mvn compile war:war ', (error, stdout, stderr) => {
+ function backendClean(){
+ return new Promise((resolve,reject)=>{
+ exec('cd explorviz-ui-backend/plugins/net/explorviz/plugins/ && rm *', (error, stdout,stderr)=>{
+ if (error) {
+ reject(error);
+ return;
+ }
+
+ console.log(stdout);
+ console.log(stderr);
+
+ resolve();
+
+ })
+ })
+ }
+
+ function backendPull(){
- if (error) {
- reject(error);
- return;
+ return new Promise((resolve, reject)=> {
+
+ exec('cd ' + fileName + 'git pull ', (error, stdout, stderr) => {
+
+ if (error) {
+ reject(error);
+ return;
+ }
+
+ console.log(stdout);
+ console.log(stderr);
+
+ resolve();
+
+ });
+ })
+
+ }
+
+ function backendInstallAddons(){
+ return new Promise((resolve, reject)=>{
+ checkedPlugins = checkedFiles.filter(function(file){
+ return /\bexplorviz-backend-plugin-\w*/.exec(file);
+ });
+
+ if(checkedPlugins.length !== 0 ){
+
+ checkedPlugins.forEach((pluginName) => {
+ exec('git clone ' + downloadFiles[pluginName] + 'cd ' + pluginName + 'cp -r . explorviz-ui-backend/plugins/net/explorviz/plugins/', (error, stdout, stderr) => { //'cd explorviz-ui-backend/plugins/net/explorviz/plugins/ ' +
+
+ if (error) {
+ reject(error);
+ return;
+ }
+
+ console.log(stdout);
+ console.log(stderr);
+
+ resolve();
+
+ });
+
+ })
+ } else {
+ resolve();
}
- console.log(stdout);
- console.log(stderr);
+ })
- resolve({zipFileName:'backend.war', path:'explorviz-ui-backend/target/explorviz-ui-backend-1.0-SNAPSHOT.war'});
- });
- })
+ }
- promiseArray.push(backendPromise);
- }
+ function backendBuild(){
+ return new Promise((resolve,reject)=>{
+ exec('cd '+ fileName + ' && mvn compile war:war ', (error,stdout,stderr)=> {
+ if (error) {
+ reject(error);
+ return;
+ }
+
+ console.log(stdout);
+ console.log(stderr);
+ resolve({zipFileName:'backend.war', path:'explorviz-ui-backend/target/explorviz-ui-backend-1.0-SNAPSHOT.war'});
+
+
+ })
+
+ })
+
+
+ }
+
+ function backendAll(){
+ return backendClean().then(function(){
+
+ return backendPull().then(function(){
+ return backendInstallAddons().then(function(){
+ return backendBuild()
+ })
+ })
+ })
+
+ }
+ promiseArray.push(backendAll());
+ finalizeZip();
+
+ }
frontendChecked = checkedFiles.find(function(file){
return file === 'explorviz-ui-frontend';
@@ -116,7 +205,8 @@
return new Promise((resolve, reject) => {
console.log('in frontendPull()');
- exec('cd ' + fileName + ' git pull ', (error, stdout, stderr) => {
+ //' git fetch origin && git reset --hard origin/master '
+ exec('cd ' + fileName + ' git checkout package.json && npm prune ' +' && git pull ', (error, stdout, stderr) => {
if (error) {
reject(error)
@@ -168,23 +258,23 @@
return new Promise((resolve,reject)=> {
console.log('in frontendBuild()');
-
- exec('cd ' + fileName +' && ember build --environment=production', (error, stdout, stderr) => {
- if (error) {
- reject(error);
- return;
- }
+ exec('cd ' + fileName +' && ember build --environment=production', (error, stdout, stderr) => {
- console.log(stdout);
- console.log(stderr);
+ if (error) {
+ reject(error);
+ return;
+ }
- resolve({zipFileName:'frontend', path:'./explorviz-ui-frontend/dist/'});
- });
+ console.log(stdout);
+ console.log(stderr);
+
+ resolve({zipFileName:'frontend', path:'./explorviz-ui-frontend/dist/'});
+ });
-})
+ })
}
function frontendAll() {
@@ -195,95 +285,95 @@
})
})
}
+//frontend was selected and the next step (streaming to zip) has to wait until the frontend is built
+promiseArray.push(frontendAll());
+finalizeZip();
- promiseArray.push(frontendAll());
- finalizeZip();
-
- };
+};
- function finalizeZip(){
-
- return streamFilesToZip().then(function(){
- return createZip()
- }).catch(function(error) {let response =
- 'There was an error during your build. ' +
- 'Please contact "explorviz-developers-request@listserv.dfn.de" ' +
- 'and add the following information: ' + error;
- res.send(response);
- })
+function finalizeZip(){
+
+ return streamFilesToZip().then(function(){
+ return createZip()
+ }).catch(function(error) {let response =
+ 'There was an error during your build. ' +
+ 'Please contact "explorviz-developers-request@listserv.dfn.de" ' +
+ 'and add the following information: ' + error;
+ res.send(response);
+ })
- }
+}
- function streamFilesToZip(){
- console.log('in streamFilesToZip');
+function streamFilesToZip(){
+ console.log('in streamFilesToZip');
- return new Promise((resolve,reject)=> {
-
- Promise.all(promiseArray).then(files => {
- console.log('in Promise.all');
- let finishedArray=[];
- files.forEach(file => {
- if (file.zipFileName === 'backend.war'){
- const backendSteam = fsReaddir(file.path).on('data', function(data){
- const backendReadStream = fs.createReadStream(data);
- zip.file(zipFileName, backendReadStream);
- }).on('error', function(){
- console.log('error:', error);
- }).on('finish', function(){
- finishedArray.push('backend finished');
- if(finishedArray.length === files.length){
- resolve();
- }
- })
+ return new Promise((resolve,reject)=> {
+
+ Promise.all(promiseArray).then(files => {
+ console.log('in Promise.all');
+ let finishedArray=[];
+ files.forEach(file => {
+ if (file.zipFileName === 'backend.war'){
+ const backendSteam = fsReaddir(file.path).on('data', function(data){
+ const backendReadStream = fs.createReadStream(data);
+ zip.file(zipFileName, backendReadStream);
+ }).on('error', function(){
+ console.log('error:', error);
+ }).on('finish', function(){
+ finishedArray.push('backend finished');
+ if(finishedArray.length === files.length){
+ resolve();
+ }
+ })
// backendStream = fs.createReadStream(file.path);
// zip.file(file.zipFileName, backendStream);
// finishedArray.push('backend done');
}
if(file.zipFileName === 'frontend'){
- const stream = fsReaddir(file.path)
+ const frontendStream = 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);
+ const frontendReadsStream = fs.createReadStream(data[i]);
+ zip.file(data[i], frontendReadStream);
}
}).on('finish', function(){
finishedArray.push('frontend finished');
if(finishedArray.length === files.length){
- resolve();
- }
+ resolve();
+ }
})
}
-
+
})
- })
-
-
})
- };
- function createZip(){
- console.log('in createZip');
- return new Promise((resolve,reject) => {
- zip.generateNodeStream({type:'nodebuffer',streamFiles:true}).pipe(fs.createWriteStream('explorviz-builds.zip')).on('finish', function () {
- console.log('explorviz-builds.zip written.');
- res.download('explorviz-builds.zip');
- });
-
- })
+ })
+};
+function createZip(){
+ console.log('in createZip');
+
+ return new Promise((resolve,reject) => {
+ zip.generateNodeStream({type:'nodebuffer',streamFiles:true}).pipe(fs.createWriteStream('explorviz-builds.zip')).on('finish', function () {
+ console.log('explorviz-builds.zip written.');
+ res.download('explorviz-builds.zip');
+ });
- }
+ })
+
+
+}
--
GitLab