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Installing Spree on Site5 with Passenger

I’ll show you how I’ve installed Spree ecommerce on Site5 servers.

Install Your Own Gems

First, you need to tell RubyGems where to install your own custom gems since Spree is not preinstalled on Site5’s servers.  SSH into your site then,edit or create the file ~/.gemrc with the following content (with, of course, your username in place of username):

gemhome: /home/username/ruby/gems
gempath:
- /home/username/ruby/gems
- /usr/lib/ruby/gems/1.8

Although not required for the basic installation, some of the rake tasks depend upon the shell variables $GEM_HOME and $GEM_PATH. It’s not a bad idea to add them to your .bash_profile like so:

export GEM_PATH=/home/username/ruby/gems:/usr/lib/ruby/gems/1.8
export GEM_HOME=/home/username/ruby/gems

Install the Radiant Gem and Unpack the App

Now this is very simple:

gem update rake
gem install --include-dependencies authlogic
rake gems:install chriseppstein-compass
gem install --include-dependencies spree

Unpack the application using the spree command into the directory shop (it will create the directory if it does not exist).

~/ruby/gems/bin/spree --database mysql shop

Configuration

Now, you should have the new folder shop in your current directory. Using Site5’s SiteAdmin on your domain (located at yourdomain.com/siteadmin), create the databases spreedev, spreetest, and spreelive (note that your username_ is prepended to all those table and user names). Create a new MySQL user spree, and give it access to all functions on all those databases (watch out — those checkboxes to give privileges on the MySQL user page don’t mirror your current settings. To see that, you need to go to the databases page.) Once that is all completed, edit shop/config/database.yml with those settings; the file should look something like this:

development:
   adapter: mysql
   database: username_spreedev
   username: username_spree
   password: pword
   host: localhost

 test:
   adapter: mysql
   database: username_spreetest
   username: username_spree
   password: pword
   host: localhost

 production:
   adapter: mysql
   database: username_spreelive
   username: username_spree
   password: pword
   host: localhost

Now edit the file radapp/config/environment.rb. You need to uncomment a line and add one more, so the following line (should be the 8th line down):

# ENV['RAILS_ENV'] ||= 'production'

becomes…

ENV['RAILS_ENV'] ||= 'production'
ENV['GEM_PATH'] = '/home/username/ruby/gems:/usr/lib/ruby/gems/1.8'

Bootstrap your Database

Okay! All of the config files are setup. Now in the radiant application folder, run the rake task to bootstrap the database. Answer the prompts to your liking.

$ cd shop/
$ rake production db:bootstrap

Setup the Symbolic Link

Just create the symlink and you’re done! From your home directory, just do this:

mv public_html public_html_bak
ln -s ~/shop/public ~/public_html

Setup Passenger

Just create the .htaccess file at shop/public/.htaccess , and edit it like this:

PassengerEnabled on
PassengerAppRoot /home/username/shop

Restart passport, the easiest way. From shop directory type :

touch tmp/restart.txt

Now point your browser to http://your.website.com/. It should be Spree!

To enter the admin page, go to http://your.website.com/admin. But we have a problem here with the https connection. So unless you have installed a ssl certificate, you will need to desactivate ssl also in production mode. To do so, you need to insert the next sentence on your production database:

INSERT INTO `username_spreelive`.`preferences` (`id`, `attribute`, `owner_id`, `owner_type`, 
`group_id`, `group_type`, `value`, `created_at`, `updated_at`) VALUES ('1', 
'allow_ssl_in_production', '1', 'Configuration', NULL, NULL, '0', NULL, NULL);

Spring Roo, prometedor

Esta semana se espera saldrá la primera release de Spring Roo (todavía no se conoce el nombre definitivo), una alternativa a Grails, Rails, Django… que se presenta con muchas ventajas para los javeros más tradicionales. Y no solo para ellos. Es el primero de estos frameworks ágiles totalmente sobre Java. Una pequeña prueba de su funcionamiento:
Introducing Spring ROO

Spring weekend

Este fin de semana me dio por conocer un poco más Spring (ahora que Struts2 y yo nos hemos hecho casi amigos). Después de casi un par de años usando Spring en el trabajo no podía decir que fuese ni de lejos un experto en la materia, es más, ni siquiera podía decir que conociese todas las posibilidades que ofrece este Framework. Y eso no puede ser, es como un piloto de rallies que no pase de 4ª (es el mejor símil que se me ocurrió :S).
No voy a resumir en estas líneas lo que he sacado en claro, solo dejo algunos enlaces interesantes que encontré:
Spring 2.x AOP Tutorial
Dependency injection
Aspect-oriented programming en Wikipedia
El más completo es el que explica el patrón Dependency injection en Spring.

Web corporativa con Django

Mi primer proyecto como desarrollador en Paradigma tecnológico consistió en realizar una nueva web corporativa. Me dieron total libertad en cuanto a la tecnología a utilizar y muy poco tiempo de margen, ¡3 días! por lo que me decidí a utilizar Django. He de decir que si no fuese por el diseño de la web y los problemas con Apache y mod_py me habría sobrado más de un día. Algunos enlaces interesantes que recopilé esta semana:

• Django Custom template tags
• Django Contact Form app
• Best Practices with Django Apps
• The FlatPages app