fixes #96, downloads now work on safari and firefox

client/components/Nav.js

@@ -42,7 +42,7 @@ function Nav(props) {
           if (props.project.id) {
             return (
               <li className="nav__item">
-                <a className="nav__export" onClick={props.exportProjectAsZip}>
+                <a className="nav__export" onClick={() => props.exportProjectAsZip(props.project.id)}>
                   Download
                 </a>
               </li>

client/modules/IDE/actions/project.js

@@ -1,9 +1,6 @@
 import * as ActionTypes from '../../../constants';
 import { browserHistory } from 'react-router';
 import axios from 'axios';
-import JSZip from 'jszip';
-import JSZipUtils from 'jszip-utils';
-import { saveAs } from 'file-saver';
 import { showToast, setToastText } from './toast';
 import { setUnsavedChanges, justOpenedProject, resetJustOpenedProject } from './ide';
 
@@ -127,53 +124,9 @@ export function createProject() {
   };
 }
 
-function buildZip(state) {
-  const zip = new JSZip();
-  const rootFile = state.files.find(file => file.name === 'root');
-  const numFiles = state.files.filter(file => file.fileType !== 'folder').length;
-  const files = state.files;
-  const projectName = state.project.name;
-  let numCompletedFiles = 0;
-
-  function addFileToZip(file, path) {
-    if (file.fileType === 'folder') {
-      const newPath = file.name === 'root' ? path : `${path}${file.name}/`;
-      file.children.forEach(fileId => {
-        const childFile = files.find(f => f.id === fileId);
-        (() => {
-          addFileToZip(childFile, newPath);
-        })();
-      });
-    } else {
-      if (file.url) {
-        JSZipUtils.getBinaryContent(file.url, (err, data) => {
-          zip.file(`${path}${file.name}`, data, { binary: true });
-          numCompletedFiles += 1;
-          if (numCompletedFiles === numFiles) {
-            zip.generateAsync({ type: 'blob' }).then((content) => {
-              saveAs(content, `${projectName}.zip`);
-            });
-          }
-        });
-      } else {
-        zip.file(`${path}${file.name}`, file.content);
-        numCompletedFiles += 1;
-        if (numCompletedFiles === numFiles) {
-          zip.generateAsync({ type: 'blob' }).then((content) => {
-            saveAs(content, `${projectName}.zip`);
-          });
-        }
-      }
-    }
-  }
-  addFileToZip(rootFile, '/');
-}
-
-export function exportProjectAsZip() {
-  return (dispatch, getState) => {
-    const state = getState();
-    buildZip(state);
-  };
+export function exportProjectAsZip(projectId) {
+  const win = window.open(`${ROOT_URL}/projects/${projectId}/zip`, '_blank');
+  win.focus();
 }
 
 export function newProject() {

package.json

@@ -58,6 +58,7 @@
     "node": ">=4"
   },
   "dependencies": {
+    "archiver": "^1.1.0",
     "async": "^2.0.0",
     "axios": "^0.12.0",
     "babel-core": "^6.8.0",
@@ -76,13 +77,10 @@
     "eslint-loader": "^1.3.0",
     "express": "^4.13.4",
     "express-session": "^1.13.0",
-    "file-saver": "^1.3.2",
     "file-type": "^3.8.0",
     "htmlhint": "^0.9.13",
     "js-beautify": "^1.6.4",
     "jshint": "^2.9.2",
-    "jszip": "^3.0.0",
-    "jszip-utils": "0.0.2",
     "lodash": "^4.16.4",
     "loop-protect": "git+https://git@github.com/sagar-sm/loop-protect.git",
     "moment": "^2.14.1",
@@ -102,6 +100,7 @@
     "redux": "^3.5.2",
     "redux-form": "^5.3.3",
     "redux-thunk": "^2.1.0",
+    "request": "^2.76.0",
     "s3-policy": "^0.2.0",
     "shortid": "^2.2.6",
     "srcdoc-polyfill": "^0.2.0",

server/controllers/project.controller.js

@@ -1,5 +1,8 @@
 import Project from '../models/project';
 import User from '../models/user';
+import archiver from 'archiver';
+import request from 'request';
+
 
 export function createProject(req, res) {
   let projectValues = {
@@ -99,3 +102,56 @@ export function getProjectsForUser(req, res) {
     return res.json([]);
   }
 }
+
+function buildZip(project, req, res) {
+  const zip = archiver('zip');
+  const rootFile = project.files.find(file => file.name === 'root');
+  const numFiles = project.files.filter(file => file.fileType !== 'folder').length;
+  const files = project.files;
+  const projectName = project.name;
+  let numCompletedFiles = 0;
+
+  zip.on('error', function(err) {
+    res.status(500).send({error: err.message});
+  });
+
+  res.attachment(`${project.name}.zip`);
+  zip.pipe(res);
+
+  function addFileToZip(file, path) {
+    if (file.fileType === 'folder') {
+      const newPath = file.name === 'root' ? path : `${path}${file.name}/`;
+      file.children.forEach(fileId => {
+        const childFile = files.find(f => f.id === fileId);
+        (() => {
+          addFileToZip(childFile, newPath);
+        })();
+      });
+    } else {
+      if (file.url) {
+        request({ method: 'GET', url: file.url, encoding: null }, (err, response, body) => {
+          zip.append(body, { name: `${path}${file.name}` });
+          numCompletedFiles += 1;
+          if (numCompletedFiles === numFiles) {
+            zip.finalize();
+          }
+        });
+      } else {
+        zip.append(file.content, { name: `${path}${file.name}` });
+        numCompletedFiles += 1;
+        if (numCompletedFiles === numFiles) {
+          zip.finalize();
+        }
+      }
+    }
+  }
+  addFileToZip(rootFile, '/');
+}
+
+export function downloadProjectAsZip(req, res) {
+  Project.findById(req.params.project_id, (err, project) => {
+    //save project to some path
+    buildZip(project, req, res);
+  });
+}
+

server/routes/project.routes.js

@@ -15,4 +15,6 @@ router.route('/projects').get(ProjectController.getProjects);
 
 router.route('/:username/projects').get(ProjectController.getProjectsForUser);
 
+router.route('/projects/:project_id/zip').get(ProjectController.downloadProjectAsZip);
+
 export default router;