Gliding Gaelyk
Vladimír Oraný
http://vladimir.orany.cz
@musketyr
Vladimír Oraný
Gaelyk Project Lead
Independent Software Engineer
Installing Glide
*nix Systems
curl -s get.gvmtool.net | bashgvm flush candidatessource ~/.gvm/bin/gvm-init.shgvm install glide
Windows
Download package from
Extract Glide archive to e.g. C:/
Add Glide bin folder to the PATH (you can try RapidEE to do so)
Setup the Glide Website
mkdir my-glide-appcd my-glide-appglide createglide
Signup for App Engine
https://console.developers.google.com/start/appengine
Google App Engine
Platform as a Service
(= you code, they do the rest)
For creating large scalable Google-like websites...
... but you can run your small website as well
Provides set of API to simplification
Multiple programming language support
Python, Java, Go, PHP
Example: Search API
Gaelyk
and other contributors
Groovy enhancements for Google App Engine
Flexible routing system
Example: Search DSL
Glide
by Kunal Dabir
Tool to simplify creating Gaelyk websites
Removes all the Gradle clutter
Merges your project with Gradle template
Example: Glide Blog Demo
Sample Application
The Hand of Friends
antisocial network
only allows up to 5 friends
comments on posts
no public posts
You can add your use cases
We can try to implement them at the end
Resources
Google App Engine Java
https://developers.google.com/appengine/docs/java/
Gaelyk Tutorial
http://gaelyk.appspot.com/tutorial
Glide Website
http://glide-gae.appspot.com/
Glide Examples
https://github.com/kdabir/glide/tree/master/samples
Task 1: Create Home Page
Create home page for the website
Use Gaelyk routing
http://gaelyk.appspot.com/tutorial/url-routing
See how view and controllers works in Gaelyk
To make the site looking more professional you can use Bootstrap framework
http://getbootstrap.com/
Task 2: The Feed Page
Create demo page where the feed will be show
Only logged in users can access the page
If the logged in user accesses the homepage
redirect him to feed
See which predefined variables are available in the scripts
See how to configure security in glide.groovy
See how to configure security in Google App Engine
Task 3: Keep it DRY
Extract repetitive code from home and feed page
Add login and log out links
See how the layouts are configured in Glide
See how does sample layout page looks like
See how UserService works
See how to create Groovy Templates
Task 4: Post to the Feed
Crate new post
Show posts crated by logged in user
Add comments to the posts
Task 5: Manage Friends
Send email invitation
Add and remove friends
See Gaelyk's queues support
Task 6: Search in Posts
Add ability to search through the posts
Be careful about the privacy
See the search support in Gaelyk
Task 7: User admin
Ability to upload user's avatar
Ability to change the display name
Show avatars and display name at the posts
See how to upload files in Gaelyk
See how to work with images in Gaelyk
Task 8: Last Mile
Improve the performance using cache
See how memcache works in Gaelyk
Task 9: Deploy to the Cloud
Deploy the application to the Google App Engine