work in progress: try to get archiver running

app.js

@@ -7,6 +7,7 @@ var exec       = require('child_process').exec;
 var fs         = require('fs');
 var path       = require('path');
 var Zip        = require('node-zip');
+var archiver = require('archiver');
 
 var exphbs = require('express-handlebars');
 var logger = require('morgan');
@@ -33,7 +34,7 @@ app.set('view engine', '.hbs');
 //routes
 
 app.get('/', function(req, res){
-res.render('home', {downloadFiles: downloadNames});
+res.clearCookie(req.cookies.fileCookie).render('home', {downloadFiles: downloadNames});
 });
 
 
@@ -41,22 +42,36 @@ app.post('/', function(req, res, next){
 var checkedFiles = Object.keys(req.body);
 
 if(typeof checkedFiles !== 'undefined' && checkedFiles.length > 0){
-  console.log('files were checked');
    //set cookie to pass checked files for download
   res.cookie('fileCookie', checkedFiles).render('download');
 }
   else {
-    console.log('files were not checked');
     res.render('home', {downloadFiles: downloadNames});
   }
 });
 
 
 app.get('/download', function(req, res){
-console.log("checkedFiles in /download", req.cookies.fileCookie);
-  // if (typeof req.body.backend !== 'undefined'){
-    console.log("inside backend branch");
-  exec('cd /home/jweg/git/explorviz-ui-backend && mvn compile war:war', (error, stdout, stderr) => {
+
+req.cookies.fileCookie.forEach((fileName) => {
+downloadURL = downloadFiles[fileName];
+
+var zip = new Zip();
+// create a file to stream archive data to. 
+var output = fs.createWriteStream(__dirname + 'explorviz-builds.zip');
+
+var archive = archiver('zip', {
+    base64: false, 
+    compression:'DEFLATE',
+    store: true // Sets the compression method to STORE. 
+});
+
+archive.append(fs.readFileSync(path.join(__dirname, 'README.txt')), {name: 'README.txt'});
+
+//----------------------------------------------------------------backend
+if (fileName === 'explorviz-ui-backend'){
+ 
+ exec('git clone ' + downloadURL + ' ' + fileName + ' && cd ' + fileName + ' && mvn compile war:war ', (error, stdout, stderr) => {
 
     var response = 
           'There was an error during your build. ' +
@@ -71,44 +86,98 @@ console.log("checkedFiles in /download", req.cookies.fileCookie);
     console.log(stdout);
     console.log(stderr);
 
-    var zip = new Zip();
     
-    zip.folder("frontend");
-    zip.folder("backend");
+    archive.file(fileName + '/target/explorviz-ui-backend-1.0-SNAPSHOT.war', {name:'backend/explorviz-backend.war'});
+    
+//-------------------------------------------------------------------frontend
+  });
+} else if (fileName === 'explorviz-ui-frontend'){
+exec('git clone ' + downloadURL + ' ' + fileName + ' && cd '+ fileName + ' && npm install', (error, stdout, stderr) => {
+console.log('downloadURL', downloadURL);
+console.log('fileName', fileName);
+  var response = 
+          'There was an error during your build. ' +
+          'Please contact "explorviz-developers-request@listserv.dfn.de" ' +
+          'and add the following information: ' + error;
+console.log('stdout', stdout);
+console.log('stderr', stderr);
+    if (error) {
+      res.send(response);
+      return;
+    }
 
-    zip.file('README.txt', fs.readFileSync(path.join(__dirname, 'README.txt')));
-    zip.file('explorviz-backend.war', 
-      fs.readFileSync('/home/jweg/git/explorviz-ui-backend/target/explorviz-ui-backend-1.0-SNAPSHOT.war'));
 
-    var options = {base64: false, compression:'DEFLATE'};
+//Plugins to install?
+ req.cookies.fileCookie.forEach((pluginName) => {
+if (pluginName === /explorviz-frontend-plugin-*/){
+  exec('ember install'+ downloadFiles[pluginName], (error, stdout, stderr) => {
  
-    fs.writeFile('explorviz-builds.zip', zip.generate(options), 'binary', function (error) {
+  var response = 
+          '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);
+
+  });
+
+};
+});//-----------------------------plugin-forEach
+
+//build everything you have
+exec('ember build --environment production', (error, stdout, stderr) => {
 
   var response = 
           'There was an error during your build. ' +
           'Please contact "explorviz-developers-request@listserv.dfn.de" ' +
           'and add the following information: ' + error;
-
+console.log('stdout', stdout);
+console.log('stderr', stderr);
+    if (error) {
       res.send(response);
       return;
+    }
+
+console.log(stdout);
+console.log(stderr);
+
+
+ }); // ------------------------------------------ember build
+});
+archive.directory('dist/', {name: 'frontend/dist'});
 
-      } else {
-        res.download('explorviz-builds.zip');
 }
 
+//create zip and download it
+
+// listen for all archive data to be written 
+output.on('close', function() {
+  console.log(archive.pointer() + ' total bytes');
+  console.log('archiver has been finalized and the output file descriptor has closed.');
 });
  
+// good practice to catch this error explicitly 
+archive.on('error', function(err) {
+  throw err;
+});
+
+archive.pipe(output);
+      archive.finalize();
+
+
+      
+      
+        res.download('explorviz-builds.zip');
+    
+      
+    
 });
-// }
-// else if (typeof req.body.frontend !== 'undefined'){
-//   console.log("inside frontend branch");
-//   res.send(req.body.frontend);
-// } else {
-//   console.log("inside else branch");
-//   res.send("nix ausgewählt");
-// }
 
 });