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  • rdoc and the "--accessor" option

    - by Brian Ploetz
    rdoc --help says: --accessor, -A accessorname[,..] comma separated list of additional class methods that should be treated like 'attr_reader' and friends. Option may be repeated. Each accessorname may have '=text' appended, in which case that text appears where the r/w/rw appears for normal accessors. Does anyone have any working examples of doing this (both the accessor method definition and the rdoc command invocation)? No matter what combination I try, my accessors will not show up in the RDoc output. Thanks.

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  • Remaking this loop by user?

    - by Elliot
    I'm wondering if theres a best practice for what I'm trying to accomplish... First we have the model categories, categories, has_many posts. Now lets say, users add posts. Now, I have a page, that I want to display only the current user's posts by category. Lets say we have the following categories: A, B, and C User 1, has posted in Categories A and B. In my view I have something like: <% @categories.select {|cat| cat.posts.count > 0}.each do |category| %> <%= category.name %><br/> <% category.posts.select {|post| post.user == current_user}.each do |post| %> <%= post.content %><br/> <% end %> <% end %> For the most part its almost there. The issue is, it will still show an empty category if any posts have been entered in it at all (even if the current user has not input posts into that category. So the question boils down to: How do I make the following loop only count posts in the category from the current user? <% @categories.select {|cat| cat.posts.count 0}.each do |category| % Best, Elliot

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  • RoR associations through or not through?

    - by showFocus
    I have four models that are related to one another, the way I have it setup at the moment is I have to select a county, region and country when entering a new city. class Country < ActiveRecord::Base has_many :regions has_many :counties has_many :cities end class Region < ActiveRecord::Base has_one :country has_many :counties has_many :cities end class County < ActiveRecord::Base has_one :country has_one :region has_many :cities end class City < ActiveRecord::Base has_one :country has_one :region has_one :county end Would it be better to use the :through symbol in the association? So I could say the city: has_one :country, :through => :region Not sure if this is correct, I have read how :through works but I'm not sure if this is the best solution. I am a newbie and while I'm not struggling with the syntax and how things work, it would be good to get opinions on best practices and the way things should be done from some rails wizards! Thanks in advance.

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  • Is Rails default CSRF protection insecure

    - by schickb
    By default the form post CSRF protection in Rails creates an authenticity token for a user that only changes when the user's session changes. One of our customers did a security audit of our site and flagged that as an issue. The auditor's statement was that if we also had a XSS vulnerability that an attacker could grab another user's authenticity token and make use of it for CSRF attacks until the user's session expired. But is seems to me that if we had an XSS vulnerability like that an attacker could just as easily grab another user's session cookie and login as that user directly. Or even just make call to our REST Api as the user being attacked. No secondary CSRF attack needed. Have I missed something? Is there a real problem with the default CSRF protection in Rails?

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  • Easier way to generate paths

    - by Horace Loeb
    Songs on Rap Genius have paths like /lyrics/The-notorious-b-i-g-ft-mase-and-puff-daddy/Mo-money-mo-problems which are defined in routes.rb as: map.song '/lyrics/:artist_slug/:title_slug', :controller => 'songs', :action => 'show' When I want to generate such a path, I use song_url(:title_slug => song.title_slug, :artist_slug => song.artist_slug). However, I'd much prefer to be able to type song_url(some_song). Is there a way I can make this happen besides defining a helper like: def x_song_path(song) song_path(:title_slug => song.title_slug, :artist_slug => song.artist_slug) end

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  • Using Gems with MacRuby

    - by Craig Williams
    How do you use gems from a MacRuby .5 application on Snow Leopard? Do I need to specify the gem path? If so, how do I do this? Best scenario is to package the gems inside the application so the user would not have to install them when the app is distributed.

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  • How to create an "edit" url for a restful resouce?

    - by Freewind
    In my partial template, there is a varible named "resource", it may be a question or an answer. I want to build a link to edit it, but when I use it, I don't know what it is, so I can't write: <%=link_to 'edit', edit_question_url(resource)%> or <%=link_to 'edit', edit_answer_url(resource)%> I wonder if there is such a method, say "url_for_edit()", can be used as: <%=link_to 'edit', url_for_edit(resource)%> Is there such a method?

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  • How to handle HTTPStatus Response 201 with AS3 / Flash / SWFUpload

    - by Praveen Sharma
    Hey all. I'm using SWFUpload on a Rails site to allow for MP3 Uploads direct to Sound Cloud. To avoid having to first upload a large file to my server and push to Sound Cloud, I'm hitting their API directly via SWFUpload, passing necessary OAuth token data. Everything works - EXCEPT - Flash can't handle the HTTP response code that Sound Cloud's API returns (201). This ALWAYS triggers an unhandled IO Error with Flash. Even though SWFUpload allows me to override that in the JS, it breaks any response data (the URI to the uploaded file). Does anyone know how I could somehow intercept the 201 code so that I can make it a 200 code for flash? I'm at a loss at how I can avoid this IO Error. I've tried try/catch statements around everything and have even recompiled SWFUpload to try new things to no avail. Any help would be greatly appreciated.

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  • Why am I getting an error on Heroku that suggests I need to migrate my app to Bamboo?

    - by user242065
    When I type: git push heroku master, this is what happens @68-185-86-134:sample_app git push heroku master Counting objects: 110, done. Delta compression using up to 2 threads. Compressing objects: 100% (94/94), done. Writing objects: 100% (110/110), 87.48 KiB, done. Total 110 (delta 19), reused 0 (delta 0) -----> Heroku receiving push -----> Rails app detected ! This version of Rails is only supported on the Bamboo stack ! Please migrate your app to Bamboo and push again. ! See http://docs.heroku.com/bamboo for more information ! Heroku push rejected, incompatible Rails version error: hooks/pre-receive exited with error code 1 To [email protected]:blazing-frost-89.git ! [remote rejected] master -> master (pre-receive hook declined) error: failed to push some refs to '[email protected]:blazing-frost-89.git' My .gems file: rails --version 2.3.8 My .git/config file: [core] repositoryformatversion = 0 filemode = true bare = false logallrefupdates = true ignorecase = true [remote "origin"] url = [email protected]:csmeder/sample_app.git fetch = +refs/heads/*:refs/remotes/origin/* [remote "heroku"] url = [email protected]:blazing-frost-89.git fetch = +refs/heads/*:refs/remotes/heroku/*

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  • ID + Slug name in URL in Rails (like in StackOverflow)

    - by Vitaly
    Hey, I'm trying to achieve URLs like this in Rails: http://localhost/posts/1234/post-slug-name with both ID and slug name instead of either http://localhost/posts/1234 or http://localhost/posts/post-slug-name (right now I have just slug name in URL, so this part is over). How can I do this? UPD I found an article on this: http://augustl.heroku.com/blog/styling-rails-urls, instead of /id/slug it suggests to use /id-slug which works perfectly for me, so I'll go with this.

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  • Whats the significance of named scope in rails?

    - by piemesons
    Before going for details. Question 1:-- Whats the meaning of scope here (ie named scope)? whats the benefits of using named scope? Now:- from agile development with rails book:-- class Order < ActiveRecord::Base named_scope :last_n_days, lambda { |days| {:conditions => ['updated < ?' , days] } } named_scope :checks, :conditions => {:pay_type => :check} end Such a named scope would make finding the last weeks worth of orders a snap. orders = Orders.last_n_days(7) Scopes can also be combined orders = Orders.checks.last_n_days(7) why we are using named_scope here. We can do the same using methods. Whats special thing we got using named_scope.

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  • Is there a way to undo Mocha stubbing of any_instance in Test::Unit

    - by Craig Walker
    Much like this question, I too am using Ryan Bates's nifty_scaffold. It has the desirable aspect of using Mocha's any_instance method to force an "invalid" state in model objects buried behind the controller. Unlike the question I linked to, I'm not using RSpec, but Test::Unit. That means that the two RSpec-centric solutions there won't work for me. Is there a general (ie: works with Test::Unit) way to remove the any_instance stubbing? I believe that it's causing a bug in my tests, and I'd like to verify that.

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  • HAML on Rails 3 doesn`t work

    - by Peter
    Hey there, i have tried to render some files with HAML in Rails 3. But HAMl doesn`t work. My testfiles have the extension .html.haml. In the GEMFile i have written gem 'haml' and executed the bundle install When i call my testapp i become an error like this: Template is missing Missing template posts/index with {:locale=>[:en, :en], :formats=>[:html], :handlers=>[:rjs, :rhtml, :rxml, :builder, :erb]} in view paths "/Users/piet/Sites/blog/app/views" Hope, i become some help here. Peter

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  • rails: include statement with two ON conditions

    - by Markus
    Hi, I have tree tables books bookmarks users where there is a n to m relation from books to users trough bookmarks. Im looking for a query, where I get all the books of a certain user including the bookmarks. If no bookmarks are there, there should be a null included... my sql statement looks like: SELECT * FROM `books` LEFT OUTER JOIN `bookmarks ` ON bookmarks.book_id = books.id AND bookmarks.user_id = ? In rails I only know the :include statement, but how can I add the second bookmarks.user_id = ? statement in the ON section of this query? if I put it in the :conditions part, no null results would get returned! Thanks! Markus

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  • Let a question always :include its author, how?

    - by Freewind
    class Question < ActiveRecord::Base belongs_to :author end class Author < ActiveRecord::Base has_many :questions end When I find some questions, I usually need to get their authors at the same time, so I use: Question.find(:all, :include=>:authors) But I don't write the ":include" part everywhere. I hope I can define the "include" somewhere only once, and when I find questions, the author will be automaticly loaded. Is there any way to do this?

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  • Named Blueprints with factory_girl

    - by Jason Nerer
    I am using Factory Girl but like the machinist syntax. So I wonder, if there is any way creating a named blueprint for class, so that I can have something like that: User.blueprint(:no_discount_user) do admin false hashed_password "226bc1eca359a09f5f1b96e26efeb4bb1aeae383" is_trader false name "foolish" salt "21746899800.223524289203464" end User.blueprint(:discount_user) do admin false hashed_password "226bc1eca359a09f5f1b96e26efeb4bb1aeae383" is_trader true name "deadbeef" salt "21746899800.223524289203464" discount_rate { DiscountRate.make(:rate => 20.00) } end DiscountRate.blueprint do rate {10} not_before ... not_after ... end Is there a way making factory_girl with machinist syntax acting like that? I did not find one. Help appreciated. Thx in advance Jason

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  • read/write_attribure on associations

    - by artemave
    read/write_attribute is a great way to enhance default accessors generated by ActiveRecord. Like this for example: def price read_attribute(:price) or "This item is priceless and you are by the way #{User.current.login}" end The same however does not seem to be working with associations. Demonstration: class Product < ActiveRecord::Base has_and_belongs_to_many :stores end Then >> a = Product.first => #<Product id: 1, name: "awesome product", created_at: "2010-05-07 12:11:00", updated_at: "2010-05-07 12:11:00"> >> a.stores => [#<Store id: 1, name: "ikea", created_at: "2010-05-07 12:11:28", updated_at: "2010-05-07 12:11:28">] >> a.read_attribute(:stores) => nil >> So, is there some sort of read/write_association? Or, if not, is there a reason not to have one?

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  • Storing old previous year data in Rails?

    - by Millisami
    Hi, I'm developing an app which has massive data entries. Its like Campaign which has attrs like rate_per_sq_feet, start_date, end_date. i.e it will have max date of around 30 days. Once the campaign is finished, its done and another starts. Now I'm confused that how to store those campaigns as reports so that its not accessed regurlarly. What I mean is to store in such a way that it will act like report on later years to come? Its something like fiscal year on accounts where the previous year reports are stored with all the calculations done so that when retrieved later, all the algorithms and calculations shouldn't be performed. Something like frozen data??

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  • Unit test with Authlogic on Rails 3

    - by Puru puru rin..
    Hello, I would like to write some unit test with a logged user using Authlogic. To start right, I used some code hosted in http://github.com/binarylogic/authlogic_example. But I get an error after rake test, because of "test_helper.rb" and the following class: class ActionController::TestCase setup :activate_authlogic end Here is my error: NameError: undefined local variable or method `activate_authlogic' for I think this Authlogic example is mapped over Rails 2; maybe it's a little bit different on Rails 3. Is there an other example where I can take example about unit test? Many thanks.

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  • Supporting different locale regions using Rails i18n

    - by Olly
    I'm using the standard Rails I18n API to localise some of our views. This is working really well, but we now have a few use cases for regional changes to the en locale. The API guide mentions that this isn't supported directly, and other plugins should be used. However, I'm wondering whether there's a simpler way to do this. I already have en.yml, so in theory I could just create en-AU.yml and en-US.yml which are effectively clones of en.yml but with a few regional changes applied. I could then add additional English - American and English - Australian options to our configuration which would map to the new region-specific locales and allow users to use a region-specific locale. The only problem I can think of with this is that it isn't DRY -- I would have duplicate translations for all common English words. I can't see a way around this. Are there any other disadvantages to this approach, or should I just bite the bullet and dive into one of the plug-ins such as Globalize2 instead?

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  • adding model validation errors in rescue

    - by ash34
    I have the following model with a virtual attribute class Mytimeperiod < ActiveRecord::Base validates presence of :from_dt validates_format_of :from_dt, :with => /\A\d{2}\/\d{2}\/\d{4}\Z/, :message => "format is mm/dd/yyyy" def from_dt self.from_date.strftime("%m/%d/%Y") if !self.from_date.blank? end def from_dt=(from_dt) self.from_date = Date.parse(from_dt) rescue self.errors.add_to_base("invalid from dt") end end I am using <%= f.error_messages %> to display the error messages on the form. I am using from_dt as a virtual attribute (string). The 'presence of' and 'format of' validation errors show up on the form, but when the user enters an invalid date format on the form and Date.Parse raises an exception I have a 'errors.add_to_base' statement in the rescue clause. Can anyone tell me why this error does not show up in the form error messages when I disable the 'format of' validation. thanks.

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