ruby-on-rails

Cucumber can't find installed gems

environment/cucumber.rb: ... # gem dependencies config.gem 'cucumber-rails', :lib => false, :version => '>=0.3.0' unless File.directory?(File.join(Rails.root, 'vend config.gem 'database_cleaner', :lib => false, :version => '>=0.5.0' unless File.directory?(File.join(Rails.root, 'vend config.gem 'webrat', :lib => false, :versi...

Creating a form for editing embedded documents with MongoMapper

I'm playing around with MongoMapper but I'm having trouble figuring out how to create a form for an object that has embedded documents. With ActiveRecord, I'd use fields_for but when asked if this would be supported a few months ago, MongoMapper author John Nunemaker wrote: "Nope and nope. It is really [not] that hard with attr_accessor...

Trouble mocking on cucumber + rails

I'm having a lot of trouble trying to define a mock for a rails models on cucumber. It seems like the method is creating a bunch of message expectations and i keep getting errors like these: Given I have only a product named "Sushi de Pato" # features/step_definitions/product_ steps.rb:19 unexpected invocation: #<Mock:ProductCate...

retrieving data from memcache

Hello, I am starting to learn the benefits of memcache, and would like to implement it on my project. I have understood most of it, such as how data can be retrieved by a key and so on. Now I get it that I can put a post with all of its details in memcache and call the key POST:123, that is OK, and I can do it for each post. But how t...

Rails creating and updating 2 model records simultaneously

I have 2 tables product and history product table: id name type price location 1 abc electronics $200 aisle1 history table: id product_id status 1 1 price changed from $200 to $180 Whenever the product price or location is updated by a user by hitting the update button, ...

Rails Script/generate error

I have ruby on rails installed on my ubuntu 8.10 desktop. Script/generate came up with this error. # script/generate undefined method `index' for #<Enumerator: "Rails Info:":each_line> any ideas? Thanks for you help, zeem ...

Multiple Forms on the Same Page with Rails

So I'm building a rails app for high school students and I've hit a problem when it comes to creating users. I want the students to only be able to create accounts if they select their school and type in their school's password correctly. What is the correct / easiest way of doing this? Should I create a gatekeeper to the user#new acti...

authlogic - do I still need Rails sessions?

Hi, I'm a newbie to Rails and am starting a new project that uses AuthLogic. I'm just a little confused about whether AuthLogic provides everything I need to store session state, or whether I still have to include the Rails mechanism (rake db:sessions:create). Thanks! Tim ...

How do I get save (no exclamation point) semantics in an ActiveRecord transaction?

I have two models: Person and Address which I'd like to create in a transaction. That is, I want to try to create the Person and, if that succeeds, create the related Address. I would like to use save semantics (return true or false) rather than save! semantics (raise an ActiveRecord::StatementInvalid or not). This doesn't work because ...

Rails Association Problem

I am having trouble with this association. I need to get an array of the primaries that belong to the soldiers in a platoon. So once I get all the soldiers in a platoon: @company = Company.find_by_id(1) @platoons = @company.platoons <% @platoons.each do |p| %> <%= p.soldiers.primaries.find(:all,:conditions => ["relationship =...

How to add additional condition to the JOIN generated by include?

I want to add additional criteria to the LEFT OUTER JOIN generated by the :include option in ActiveRecord finder. class Post has_many :comments end class Comment belongs_to :post has_many :comment_votes end class CommentVote belongs_to :comment end Now lets say I want to find last 10 posts with their associated comments an...

Routing Users to single Models with Rails

I'm creating a Rails app for students and high schools and I'm having some trouble with my User.rb. I want to have a user model to be used for logging in, but having that user have many roles. The tricky part is that I want users that have a student role to have_one student page, and those that have a role of principal to have_one hi...

mongrel_rails start command not found

On my server I am unable to run mongrel_rails start. I looked in /usr/bin/ and could not locate the mongrel_rails file. Instead I found it in /var/lib/gems/1.8/bin. The file includes #!/usr/bin/ruby1.8, but I am still not getting this to work. ...

Find and replace in a block of text.

I have a database full of text fields that look like this: (paragraph of normal text) image:blog/clownboy.jpg (another paragraph) I'm trying to write a view helper for Rails that will take one of these big blocks of text, find bits like "image:blog/clownboy.jpg" and replace them with the corresponding <img src="blog/clownboy.jpg"> (...

building a backend for generating webquests with rails

hello, i want to learn rails and as a project to learn rails i came across webquests. what a webquest is is clearly written here1 and this is a example how a webquest look like. i started with script/generate nifty_scaffold introduction index and repeat this for every section like task , Process, Evaluation and so on. but i dont think ...

Rails - 1 entry in model per field, per day

Lets say I have a food model in the model, every day, people enter how many lbs of pizza/vegetables/fruit they eat. each food is its own column my issue is, I'd like it so they can only enter that in once (for that food type) every 24 hours (based on created_at). This possible? ...

How to disable Rails submit buttons alongside Prototype helpers & RJS?

I'm trying to follow this post http://stackoverflow.com/questions/576240/how-can-i-unobtrusively-disable-submit-buttons-with-javascript-and-prototype but I can't get it to work. The form triggers an RJS function, so I need to keep the helpers' onclick events intact. The RJS returns/reloads the same forms along with two new texts. I'm r...

Paperclip and tempfile with Rails

I'm trying to write a rails application where users can upload images, but Paperclip doesn't seem to be working for me. I've gone through all the basic steps (added has_attached_file, the migration, making the form multipart) but I keep getting the same error whenever I try uploading an image: can't convert nil into Integer Lookin...

Telephony RESTful API

I'm looking for a simple telephony API for use with Rails application. The application must be able to make a notification call through the API and receive confirmation code from the dialpad. ...

Rails Association Question...

I have three models: User, RaceWeek, Race. Current associations: class User < ActiveRecord::Base has_many :race_weeks end class RaceWeek < ActiveRecord::Base belongs_to :user has_many :races end class Race < ActiveRecord::Base belongs_to :race_week end So the user_id is a foreign key in RaceWeek and race_week_id is a foreig...