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• Why is Model.scoped generating invalid SQL?

  - by Nicholas H.

  When I run Book.scoped({:conditions => ['books.index LIKE ?','%query%']}) I get: ActiveRecord::StatementInvalid: SQLite3::SQLException: near "index": syntax error: SELECT * FROM "books" WHERE (books.index like '%query%') What am I doing wrong?

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• Is there anyway to make Jekyll support linked list type post?

  - by user300506

  I've tried to write a post using a link list layout that I've created but couldn't get jekyll to generate properly. The problem should be in the index.html but I can't make the index page to generate both layout together. {% for post in paginator.posts %} {% include post.html %} {% endfor %}

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• complex URL remapping with friendly_id

  - by DerNalia

  I have the URL http://acme.example.com/view/view_container_content/15?javascript_disabled=true&container=aoeu but I want it to look like http://acme.example.com/view/container_name/content_name/ with friendly_id, I've seen how to do URL mapping with one object... but I haven't seen an example with two... ideas?

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• VirtualHost problem with passenger (mod_rails)

  - by Jake

  Hi all, I'm at my wit's end here with virtual hosting. I'm trying to install redmine and it works with the webrick test server, but when I tried to use passenger (mod_rails) to host and go to the address I specified when in the virtualhost part of my apache config file nothing happens. Here is the relavent section of /etc/httpd/conf/httpd.conf where I try to set up the virtual host: <VirtualHost *:80> SetEnv RAILS_ENV production ServerName redmine.MYSITE.com:80 DocumentRoot /opt/redmine-1.0.5/public/ <Directory /opt/redmine-1.0.5/public/> Options -MultiViews Allow from all AllowOverride none </Directory> However, when I got to redmine.MYSITE.com:80 nothing happens, I just get our normal home page. I have no idea what the problem is, any help our guidance would be greatly appreciated. If you need any other information, please tell me and I'll provide it.

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• How to use string interpolation when rendering templates?

  - by Senthil

  I found this code in a Rails cookbook. class BlogController < ApplicationController def display_by_date year = params[:year] month = params[:month] day = params[:day] day ='0'+day if day && day.size == 1 @day = day if ( year && month && day ) render(:template => "blog/#{year}/#{month}/#{day}") elsif ( year ) render(:template => "blog/#{year}/list") end end end I'm not sure what to name the templates so the router can find them. Thanks for your help.

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• Rails: How do I get created_at to show the time in my current time zone?

  - by Schneems

  Seems that when i create an object, the time is not correct. You can see by the script/console output below. Has anyone encountered anything like this, or have any debugging tips? >> Ticket.create(...) => #<Ticket id: 7, from_email: "[email protected]", ticket_collaterals: nil, to_email: "[email protected]", body: "hello", subject: "testing", status: nil, whymail_id: nil, created_at: "2009-12-31 04:23:20", updated_at: "2009-12-31 04:23:20", forms_id: nil, body_hash: nil> >> Ticket.last.created_at.to_s(:long) => "December 31, 2009 04:23" >> Time.now.to_s(:long) => "December 30, 2009 22:24"

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• Rails 3 Join Question for Votes Table

  - by Dex

  I have a table posts and a polymorphic table votes. The votes table looks like this: create_table :votes do |t| t.references :user # user_id t.vote # the vote value t.references :votable # votable_type and votable_id end I want to list all posts that the user has not yet voted on. Right now I'm basically taking all the posts they've already voted on and subtracting that from the entire set of posts. It works but it's not very convenient as I currently have it. def self.where_not_voted_on_by(user) sql = "SELECT P.* FROM posts P LEFT OUTER JOIN (" sql << where_voted_on_by(user).to_sql sql << ") ALREADY_VOTED_FOR ON P.id = ALREADY_VOTED_FOR.id WHERE (user_id is null)" puts sql resultset = connection.select_all(sql) results = [] resultset.each do |r| results << Post.new(r) end results end def self.where_voted_on_by(user) joins(:votes.outer).where("user_id = #{user.id}").select("posts.*, votes.user_id") end

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• Customize the From address in Rails application

  - by palani

  Hi , I have mailer action in my application, the mailer is configured with gmail smtp. The following is my config details under environment.rb file require "smtp_tls" ActionMailer::Base.delivery_method = :smtp ActionMailer::Base.perform_deliveries = true ActionMailer::Base.raise_delivery_errors = true ActionMailer::Base.default_charset = "utf-8" ActionMailer::Base.default_content_type = "text/html" ActionMailer::Base.smtp_settings = { :address => "smtp.gmail.com", :port => 587, :domain => 'gmail.com', :user_name => "[email protected]", :password => "password", :authentication => :plain The think i want to implement is, when ever the application generating email the from address shows "[email protected]". Is possible to customize the from address. In different places i want to use different From address instead of "[email protected]" I tried with my mailer model: @from = "#{user.email}" In development server log it shows the customized id correctly. if go my email inbox it shows the from address as "[email protected]" Can any one please guide on this. thanks in advance.

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• Does it make sense to use BOTH mongodb and mysql in the same rails application?

  - by Brian Armstrong

  I have a good reason to use mongodb for part of my app. But people generally describe it as not a good fit for "transactional" applications like a bank where transactions have to be exact/consistent, etc. Does it make sense to split the models up in Rails and have some of them use MySql and others mongo? Or will this generally cause more problems than it's worth? I'm not building a banking app or anything, but was thinking it might make sense for my users table or or transactions table (recording revenue) to do that part in MySql.

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• Rails 3 plugin css

  - by stel

  Is it possible to have public directory in my plugin? I want to use css and javascript from my plugin folder, not from /app.

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• Googlebot substitutes the links of Rails app with subdomain.

  - by Victor

  I have this Rails app, with domain name abc.com. I am also having a separate subdomain for Piwik stats, in this subdomain stats.abc.com. Googlebot somehow listed some of the links with my subdomain too. http://abc.com/login http://stats.abc.com/login http://abc.com/signup http://stats.abc.com/signup The ones with stats will reference to the same page in the app, but are treated entirely different website. I have put in robots.txt in stats after this matter, but wondering if there is any appropriate way to block this because I may have new subdomains in future. Here's my content in robots.txt User-agent: * Disallow: / Thanks.

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• Help with active record relations

  - by Christian Fazzini

  class CreateActivities < ActiveRecord::Migration def self.up create_table :activities do |t| t.references :user t.references :media t.integer :artist_id t.string :type t.timestamps end end def self.down drop_table :activities end end class Fan < Activity belongs_to :user, :counter_cache => true end class Activity < ActiveRecord::Base belongs_to :user belongs_to :media belongs_to :artist, :class_name => 'User', :foreign_key => 'artist_id' end class User < ActiveRecord::Base has_many :activities has_many :fans end I tried changing my activity model too, without any success: class Activity < ActiveRecord::Base has_many :activities, :class_name => 'User', :foreign_key => 'user_id' has_many :activities, :class_name => 'User', :foreign_key => 'artist_id' end One thing to note. Activity is an STI. Fan inherits from Activity. In console, I do: # Create a fan object. User is a fan of himself fan = Fan.new => #<Fan id: nil, user_id: nil, media_id: nil, artist_id: nil, type: "Fan", comment: nil, created_at: nil, updated_at: nil> # Assign a user object fan.user = User.first => #<User id: 1, genre_id: 1, country_id: 1, .... # Assign an artist object fan.artist_id = User.first.id => 1 # Save the fan object fan.save! => true Activity.last => #<Fan id: 13, user_id: 1, media_id: nil, artist_id: 1, type: "Fan", comment: nil, created_at: "2010-12-30 08:41:25", updated_at: "2010-12-30 08:41:25"> Activity.last.user => #<User id: 1, genre_id: 1, country_id: 1, ..... But... Activity.last.artist => nil Why is Activity.last.artist returning nil?

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• Rails diff model config in dev or prod environment

  - by Denis

  Hi, I've a model which use paperclip, in dev env I want to store files on the file system. In production I want to store them on my s3 account. How to configure my model to reflet this difference? Here is my model class Photo < ActiveRecord::Base has_attached_file :photo, :styles => { :medium => "200x200>", :thumb => "100x100>" }, :storage => :s3, :s3_credentials => "#{Rails.root}/config/s3.yml", :path => "/:style/:filename" end

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• has_one update problem

  - by Kalyan M

  I have two models, User and Account. Each user may have one account. Creating an account for a user works fine. My problem is that when I try to update the account, the previous accounts user_id is nullified and a new account row is created with the user_id. I do not want this happening. I want to update the existing row with the changes to account. How do I do this? Thanks.

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• View code inside Javascript file on Rails

  - by SpyrosP

  Hello, previously i had javascript code right in the top of my view and it would work. Then, i learned that you can include the js file using yield and i did just that. I had rails view code inside my javascript code like : $( "#exp-progressbar" ).progressbar({ value: <%= ((@quest.end_time - Time.now).to_i * 100 ) / (@quest.duration * 60) %> }); Now, after i do it with yield, i get an error when i do that in the separate js file. How can i do it now ?

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• Writing a simple conditional statement in IRB

  - by Trip

  I am looking up all Organizations with the url "http://", and updating their attributes to "". My attempt: Organization(:all).select { |o| o.url = "http://" ? o.update_attribute("url","")} Which returns a compile error: SyntaxError: compile error (irb):2: syntax error, unexpected '}' from (irb):2 Any ideas?

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• Is it possible to send an automated email with dynamic content in Rails

  - by Danny McClelland

  Hi Everyone, I am looking into the best way of doing the following: I have a model called Kase, and when a user creates a new case then are taken to the show view as you would expect. I am trying to work out what the best way of sending an automated email between those two events is. I would need to include in the email the content of a couple of the fields, ideally I am looking for a way of just typing out the email and adding the same snippets that are in the show view for each of the fields I need. I am using the Base App from Github so the email sending is already setup for the user authentication and registration, but I'm not sure where to begin. The reason I want to send the email is to create a new Case in our Highrise account, and I don't have a clue how to use the API. So I think the email sending is the easier way. Thanks, Danny

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• AMQP subscriber inside Rails app

  - by Fotios

  Is it possible to start an AMQP subscriber with my Rails app? Possibly through an initializer or something. I'd like to have it running at the same time that can also interact with Rails models. Below is a pseudo-code example of what I mean. queue.subscribe do |msg,body| Foo.create(....) end

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• Rails - Find Condition of two model fields

  - by ChrisWesAllen

  I'm trying to find the results of a model where it queries as the result of two conditions. I have a search tag that looks for Model.find(:all, :conditions => "name LIKE params[search]") but I'd like for the search to find all records where "name LIKE params[search] or description LIKE params[search] . Is there any way to add an OR into a condition in rails? or should I make an if statement?

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• How can I marshal a hash with arrays?

  - by tuner

  What should I do to marshal an hash of arrays? The following code only prints {}. s = Hash.new s.default = Array.new s[0] << "Tigger" s[7] << "Ruth" s[7] << "Puuh" data = Marshal.dump(s) ls = Marshal.restore( data ) p ls If the hash doesn't contain an array it is restored properly.

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• Rails caches_page :index in Wrong Location

  - by Andy

  I have a controller Projects in my Rails app with: caches_page :index However, instead of the cached file being generated at /public/projects/index.html it is located at /public/projects.html. The web server (currently Mongrel) looks for */ directories before *.html files. So the http://…/projects request is routed through Rails and my index cache file is never served. How can I tell caches_page :index to generate the file at /public/projects/index.html instead?

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• Filtering records in controller

  - by Elliot

  So in my model, there is a field user_id - which holds the ID of the user who created the record. To display the ID of the current user, I have @current_user.id My question is this, in the controller I want @posts to only have records created by @current_user.id how can I do this?

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• Get absolute (base) url in sinatra.

  - by berkes

  Right now, I do a get '/' do set :base_url, "#{request.env['rack.url_scheme']}://#{request.env['HTTP_HOST']}" # ... haml :index end to be able to use options.base_url in the HAML index.haml. But I am sure there is a far better, DRY, way of doing this. Yet I cannot see, nor find it. (I am new to Sinatra :)) Somehow, outside of get, I don't have request.env available, or so it seems. So putting it in an include did not work. How do you get your base url?

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• How can I spec out an authlogic sessions controller using using a stub?

  - by Dave

  I want to test my User Session Controller testing that a user session is first built then saved. My UserSession class looks like this: class UserSession < Authlogic::Session::Base end The create method of my UserSessionsController looks like this: def create @user_session = UserSession.new(params[:user_session]) if @user_session.save flash[:notice] = "Successfully logged in." redirect_back_or_default administer_home_page_url else render :new end end and my controller spec looks like this: describe UserSessionsController do it "should build a new user session" do UserSession.stub!(:new).with(:email, :password) UserSession.should_receive(:new).with(:email => "[email protected]", :password => "foobar") post :create, :user_session => { :email => "[email protected]", :password => "foobar" } end end I stub out the new method but I still get the following error when I run the test: Spec::Mocks::MockExpectationError in 'UserSessionsController should build a new user session' <UserSession (class)> received :new with unexpected arguments expected: ({:password=>"foobar", :email=>"[email protected]"}) got: ({:priority_record=>nil}, nil) It's although the new method is being called on UserSession before my controller code is getting called. Calling activate_authlogic makes no difference.

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• is_admin? function in rails? - undefined method Error

  - by Newbie

  Hello! At the moment, I am creating some kind of admin panel/backend for my site. I want to do the following: Only admins (a user has a user_role(integer) -- 1 = admin, 2 = moderator, 3 = user) can see and access a link for the admin panel. So I created an admin_controller. In my admin controller I created a new function called is_admin?: class AdminController < ApplicationController def admin_panel end def is_admin? current_user.user_role == 1 end end my route looks like. map.admin_panel '/admin-panel', :controller => 'admin', :action => 'admin_panel' and in my _sidebar.html.erb (partial in applicaton.html.erb) I created the link: <%= link_to "Admin Panel", :admin_panel unless is_admin? %> Now I get an error called: undefined method `is_admin?' Where is the problem? Please help me solving this problem!

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