Got the docx download feature working, changed docker image (#20)

Dockerfile

@@ -1,6 +1,8 @@
-FROM node:10-alpine
+FROM pandoc/core
 LABEL maintainer="-"
 
+RUN apk add --update nodejs nodejs-npm
+
 ARG GITHUB_SHA_ARG
 
 COPY . /src
@@ -11,4 +13,7 @@ RUN npm install --quiet --production
 
 EXPOSE 3000
 
+# heroku needs this
+CMD [ "npm", "start" ]
+
 ENTRYPOINT [ "npm", "start" ]

app.json

@@ -3,6 +3,7 @@
   "description": "",
   "formation": {},
   "addons": [],
+  "stack": "container",
   "buildpacks": [
     {
       "url": "heroku/nodejs"

config/routes.config.js

@@ -3,8 +3,8 @@ const routes = [
   { name: 'landing-page', path: '/' },
   { name: 'questions-1', path: '/questions-1' },
   { name: 'agreement-1', path: '/agreement-1' },
-  { name: 'participant-consent-form', path: '/participant-consent-form' },
   { name: 'confirmation', path: '/confirmation' },
+  { name: 'participant-consent-form', path: '/participant-consent-form' },
   { name: 'personal', path: '/personal' },
 ]
 

heroku.yml

@@ -0,0 +1,3 @@
+build:
+  docker:
+    web: Dockerfile

package.json

@@ -31,6 +31,7 @@
     "express-validator": "^6.2.0",
     "helmet": "^3.21.0",
     "i18n": "^0.8.3",
+    "node-pandoc": "^0.3.0",
     "node-sass": "^4.12.0",
     "node-sass-middleware": "^0.11.0",
     "normalize.css": "^8.0.1",

public/documents/.gitignore

@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

routes/agreement-1/agreement-1.controller.js

@@ -1,16 +1,42 @@
 const path = require('path')
 const { getNextRoute, routeUtils } = require('./../../utils')
 const { Schema } = require('./schema.js')
+var nodePandoc = require("node-pandoc");
+
+var callback = (err, result) => {
+  if (err) {
+    console.error(err);
+  } else {
+    console.log("done conversion");
+  }
+};
+
+function getRandomString() {
+  return Math.random().toString().split(".")[1].slice(0,8);
+}
 
 module.exports = app => {
   const name = 'agreement-1'
   const route = routeUtils.getRouteByName(name)
 
   routeUtils.addViewPath(app, path.join(__dirname, './'))
 
-  app
+    app
     .get(route.path, (req, res) => {
-      res.render(name, { ...routeUtils.getViewData(req, {}), nextRoute: getNextRoute(name).path })
+      var randomString = getRandomString()
+      var docxFilename = "agreement-" + randomString + ".docx"
+
+      res.render(name, { 
+        ...routeUtils.getViewData(req, {}), 
+        nextRoute: getNextRoute(name).path,
+        docxFilename: docxFilename,
+      }, function(err, html) {
+        if(err) {
+          console.log(err)
+        }
+        nodePandoc(html, "-f html -t docx -o public/documents/" + docxFilename, callback)
+        res.send(html);
+      })
     })
     .post(route.path, [
       ...routeUtils.getDefaultMiddleware({ schema: Schema, name: name }),

routes/agreement-1/agreement-1.njk

@@ -2,6 +2,8 @@
 
 {% block content %}
 
+<a href={{ "documents/" + docxFilename }}>Download Word Document</a>
+
 <h1>Proof of Concept Agreement</h1>
 
 <div>