refactor(tracking): inject space id via templating instead of using cookies

app.js

@@ -94,7 +94,7 @@ app.use(catchErrors(async function (request, response, next) {
     const space = await getSpace()
 
     // Update credentials in cookie when space connection is successful
-    updateCookie(response, SETTINGS_NAME, settings)
+    updateCookie(response, SETTINGS_NAME, response.locals.settings)
 
     // Get available locales from space
     response.locals.locales = space.locales

lib/settings.js

@@ -36,9 +36,6 @@ module.exports = async function settingsMiddleware (request, response, next) {
   }
   /* eslint-enable camelcase */
 
-  // The space id needs to be available in the frontend for our example app
-  response.cookie('space_id', settings.spaceId)
-
   initClients(settings)
   response.locals.settings = settings
   next()

views/tracking.pug

@@ -28,12 +28,10 @@ script(async).
 
   snowplow('enableLinkClickTracking')
 
-  const space_id = decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + encodeURIComponent('space_id').replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1")) || null;
-
   snowplow('trackSelfDescribingEvent', {
     schema: 'iglu:com.contentful/app_the_example_app_open/jsonschema/1-0-0',
     data: {
-      space_id,
+      space_id: '#{settings.spaceId}',
       sdk_language_used: 'javascript',
       app_framework: 'nodejs'
     }