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  • Plug and play login system?

    - by yuval
    Does anybody know of a plug-and-play login system that supports existing logins like Google and OpenID? I am looking to implement something similar to that of Stack Overflows. Thanks!

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  • Should this even be a has_many :through association?

    - by GoodGets
    A Post belongs_to a User, and a User has_many Posts. A Post also belongs_to a Topic, and a Topic has_many Posts. class User < ActiveRecord::Base has_many :posts end class Topic < ActiveRecord::Base has_many :posts end class Post < ActiveRecord::Base belongs_to :user belongs_to :topic end Well, that's pretty simple and very easy to set up, but when I display a Topic, I not only want all of the Posts for that Topic, but also the user_name and the user_photo of the User that made that Post. However, those attributes are stored in the User model and not tied to the Topic. So how would I go about setting that up? Maybe it can already be called since the Post model has two foreign keys, one for the User and one for the Topic? Or, maybe this is some sort of "one-way" has_many through assiociation. Like the Post would be the join model, and a Topic would has_many :users, :through = :posts. But the reverse of this is not true. Like a User does NOT has_many :topics. So would this even need to be has_many :though association? I guess I'm just a little confused on what the controller would look like to call both the Post and the User of that Post for a give Topic. Edit: Seriously, thank you to all that weighed in. I chose tal's answer because I used his code for my controller; however, I could have just as easily chosen either j.'s or tim's instead. Thank you both as well. This was so damn simple to implement, and I think today marks the day that I'm beginning to fall in love with rails.

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  • Rails: Custom template for email "deliver_" method?

    - by neezer
    I'm building an email system that stores my different emails in the database and calls the appropriate "deliver_" method via method_missing (since I can't explicitly declare methods since they're user-generated). My problem is that my rails app still tries to render the template for whatever the generated email is, though those templates don't exist. I want to force all emails to use the same template (views/test_email.html.haml), which will be setup to draw their formatting from my database records. How can I accomplish this? I tried adding render :template => 'test_email' in the test_email method in emailer_controller with no luck. models/emailer.rb: class Emailer < ActionMailer::Base def method_missing(method, *args) # not been implemented yet logger.info "method missing was called!!" end end controller/emailer_controller.rb: class EmailerController < ApplicationController def test_email @email = Email.find(params[:id]) Emailer.send("deliver_#{@email.name}") end end views/emails/index.html.haml: %h1 Listing emails %table{ :cellspacing => 0 } %tr %th Name %th Subject - @emails.each do |email| %tr %td=h email.name %td=h email.subject %td= link_to 'Show', email %td= link_to 'Edit', edit_email_path(email) %td= link_to 'Send Test Message', :controller => 'emailer', :action => 'test_email', :params => { :id => email.id } %td= link_to 'Destroy', email, :confirm => 'Are you sure?', :method => :delete %p= link_to 'New email', new_email_path Error I'm getting with the above: Template is missing Missing template emailer/name_of_email_in_database.erb in view path app/views

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  • rails when to use self.

    - by fenec
    i am developing a rails application and would like to understand when do we use self.for . here is the code of a method that i would like to fully understand.if it is possible i would like to have an alternative to this code so it would make things more clear. enter code here def self.for(facebook_id) User.create_by_facebook_id(facebook_id) end

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  • How to cache queries in Rails across multiple requests

    - by m.u.sheikh
    I want to cache query results so that the same results are fetched "for more than one request" till i invalidate the cache. For instance, I want to render a sidebar which has all the pages of a book, much like the index of a book. As i want to show it on every page of the book, I have to load it on every request. I can cache the rendered sidebar index using action caching, but i also want to actually cache the the query results which are used to generate the html for the sidebar. Does Rails provide a way to do it? How can i do it?

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  • Rails: ValidationReflection and Formtastic not working together

    - by user336777
    I installed validation_reflection as a gem and out of the box it picked up on my validates_presence_of validations. But it is not picking up on any of the other default rails validations such as validates_format_of. I know from the documentation that i am supposed to add something like: config.reflected_validations << :validates_format_of to my config/plugins/validation_reflection.rb file (which didn't exist initially). I did this but nothing changed (i restarted the web server in between). I am not sure if it just isn't picking up on my file and loading validation_reflection.rb or if i have done something wrong. Anyone have any insights?

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  • How to do recurring with bank account payment mode using authorized.net

    - by Salil
    Hi All, I am using recurring facility of authorized.net using active_merchant plugin in rails. there are two payment method for this 1] Credit Card 2] Bank Account I successfully done it using Credit Card For Recurring i need my Test Mode off. Also my E-check, credit card processing, and subscriptions are all enabled. But i am not able to subscribed using Bank Account Following is my code ActiveMerchant::Billing::Base.mode = :developer #i found follwing test bank account on net account = ActiveMerchant::Billing::Check.new(:account_holder_type=>"personal",:account_number=>"123123123", :account_type => "savings", :name=>"name", :routing_number=>"244183602") if account.valid? #this comes true gateway = ActiveMerchant::Billing::AuthorizeNetGateway.new(:login => 'Mylogin', :password => 'Mypassword') response = gateway.recurring( amount, nil, {:interval =>{:length=>@length, :unit =>:months}, :duration =>{:start_date=>'2010-04-24', :occurrences=>1}, :billing_address=>{:first_name=>'dinesh', :last_name=>'singh'}, :bank_account=>{:account_holder_type=>"personal",:account_number=>"123123123", :account_type => "savings", :name_of_account=>"name", :routing_number=>"244183602"} }) if response.success? #this comes false else puts response.message ####>> ERROR render :action=>"account_payment" end I get Follwing ERROR when i debug for response.message "The test transaction was not successful. (128) This transaction cannot be processed." Am i doing anything wrong i search for the another Test Bank Account Data but i didn't find it. Please help I badly need it. Thanks in Advance. Regards, Salil Gaikwad

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  • How do I create a controller and action without a model?

    - by Angela
    I have several models: Email Letter Call All three belong to a model Campaign. And a Campaign has_many Contacts I envision being able to see a schedule for Today by going to domain/schedule/today What I'd like it to do would be to show all the Events (Email, Letter, Call) that have to happen today for each campaign. I tried the following, but have some challenges in putting it into a controller versus into a View. There are many emails in campaign. Email.days is the number of days from the contact.start_date that an email should be sent to the Contact. ScheduleController < def index campaigns.each do |campaign| #goes through each campaign for contacts in campaign.contacts Email.find(:all).reject { |email| email.contact.start_date + email.days <= Date.now } end end end

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  • Complex Rails queries across multiple tables, unions, and will_paginate. Solved.

    - by uberllama
    Hi folks. I've been working on a complex "user feed" type of functionality for a while now, and after experimenting with various union plugins, hacking named scopes, and brute force, have arrived at a solution I'm happy with. S.O. has been hugely helpful for me, so I thought I'd post it here in hopes that it might help others and also to get feedback -- it's very possible that I worked on this so long that I walked down an unnecessarily complicated road. For the sake of my example, I'll use users, groups, and articles. A user can follow other users to get a feed of their articles. They can also join groups and get a feed of articles that have been added to those groups. What I needed was a combined, pageable feed of distinct articles from a user's contacts and groups. Let's begin. user.rb has_many :articles has_many :contacts has_many :contacted_users, :through => :contacts has_many :memberships has_many :groups, :through => :memberships contact.rb belongs_to :user belongs_to :contacted_user, :class_name => "User", :foreign_key => "contacted_user_id" article.rb belongs_to :user has_many :submissions has_many :groups, :through => :submissions group.rb has_many :memberships has_many :users, :through => :memberships has_many :submissions has_many :articles, :through => :submissions Those are the basic models that define my relationships. Now, I add two named scopes to the Article model so that I can get separate feeds of both contact articles and group articles should I desire. article.rb # Get all articles by user's contacts named_scope :by_contacts, lambda {|user| {:joins => "inner join contacts on articles.user_id = contacts.contacted_user_id", :conditions => ["articles.published = 1 and contacts.user_id = ?", user.id]} } # Get all articles in user's groups. This does an additional query to get the user's group IDs, then uses those in an IN clause named_scope :by_groups, lambda {|user| {:select => "DISTINCT articles.*", :joins => :submissions, :conditions => {:submissions => {:group_id => user.group_ids}}} } Now I have to create a method that will provide a UNION of these two feeds into one. Since I'm using Rails 2.3.5, I have to use the construct_finder_sql method to render a scope into its base sql. In Rails 3.0, I could use the to_sql method. user.rb def feed "(#{Article.by_groups(self).send(:construct_finder_sql,{})}) UNION (#{Article.by_contacts(self).send(:construct_finder_sql,{})})" end And finally, I can now call this method and paginate it from my controller using will_paginate's paginate_by_sql method. HomeController.rb @articles = Article.paginate_by_sql(current_user.feed, :page => 1) And we're done! It may seem simple now, but it was a lot of work getting there. Feedback is always appreciated. In particular, it would be great to get away from some of the raw sql hacking. Cheers.

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  • How to set default date in date_select helper in Rails

    - by brad
    I'm trying to set up a date of birth helper in my Rails app (2.3.5). At present it is like so. <%= f.date_select :date_of_birth, :start_year => Time.now.year - 110, :end_year => Time.now.year %> This generates a perfectly functional set of date fields that work just fine but.... They default to today's date which is not ideal for a date of birth field (I'm not sure what is but unless you're running a neonatal unit today's date seems less than ideal). I want it to read Jan 1 2010 instead (or 2011 or whatever year it happens to be). Using the :default option has proven unsuccessful. I've tried many possibilities including; <%= f.date_select :date_of_birth, :default => {:year => Time.now.year, :month => 'Jan', :day => 1}, :start_year => Time.now.year - 110, :end_year => Time.now.year %> and <%= f.date_select :date_of_birth, :default => Time.local(2010,'Jan',1), :start_year => Time.now.year - 110, :end_year => Time.now.year %> None of this changes the behaviour of the first example. Does the default option actually work as described? It seems that this should be a fairly straightforward thing to do. Ta.

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  • Open Graph & Rails not retrieving object's URL

    - by Fred
    I'm using Rails to try and add an action for an object both defined for my app on the open graph. I am using an :after_filter in my controller to call the following after session#create: @graph.put_connections('me', 'workkout:complete', :session => url_for([@plan, @session])) I am getting the following back from Facebook: {"error":{"type":"Exception","message":"Could not retrieve data from URL.","code":1660002}} I have checked that the correct URL is passed to put_connections, and when I visit this URL using Facebook's Lint tool, everything is correct. I can't understand why this isn't working, my only thought is that Facebook is hitting the URL moments before rails has generated the object? - not sure if that's even possible though. Can anyone shed any light on this?

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  • Active Record two belongs_to calls or single table inheritance

    - by ethyreal
    In linking a sports event to two teams, at first this seemed to make sense: events - id:integer - integer:home_team_id - integer:away_team_id teams - integer:id - string:name However I am troubled by how I would link that up in the active record model: class Event belongs_to :home_team, :class_name => 'Team', :foreign_key => "home_team_id" belongs_to :away_team, :class_name => 'Team', :foreign_key => "away_team_id" end Is that the best solution? In an answer to a similar question I was pointed to single table inheritance, and then later found polymorphic associations. Neither of which seemed to fit this association. Perhaps I am looking at this wrong, but I see no need to subclass a team into home and away teams since the distinction is only in where the game is played. If I did go with single table inheritance I wouldn't want each team to belong_to an event so would this work? # app/models/event.rb class Event < ActiveRecord::Base belongs_to :home_team belongs_to :away_team end # app/models/team.rb class Team < ActiveRecord::Base has_many :teams end # app/models/home_team.rb class HomeTeam < Team end # app/models/away_team.rb class AwayTeam < Team end I thought also about a has_many through association but that seems two much as I will only ever need two teams, but those two teams don't belong to any one event. event_teams - integer:event_id - integer:team_id - boolean:is_home Is there a cleaner more semantic way for making these associations in active record? or is one of these solutions the best choice? Thanks

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  • Declarative authorization and the if_attribute not working...

    - by ro
    I've been having almost the same issues as Victor Martin (you can see the questions asked here). I've got declarative authorization working for just about everything that doesn't involve using conditionals. E.g. has_permission_on :users, :to => [:edit, :update, :destroy] do if_attribute :user => is { current_user } end Are there any common pitfalls with Declarative Authorization? I'm using authlogic and I'm suspicious the 'current_user' method in the application controller might be the source of the problem.

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  • Why is my new ID always "1"

    - by normalocity
    I have a parent-child relationship between two objects. Parent :has_many :children Child :belongs_to :parent When creating a new parent, in the same controller, I'm creating the child. @mom = Parent.new @child = Child.new @mom.children << @child That all seems to go okay, but this parent has one more attribute - this parent has a favorite child @mom.favorite_child = @child Seems like this should work, except let's say that this is the 61st child in the database, so it gets an ID of 61 (and I know this is happening, because when I check the database, the child record has an ID of 61). For some reason, when I assign the @child to the parent's "favorite_child" attribute, "favorite_child" gets set to "1" - when I need it to be set to "61". Clues?

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  • Rails Authlogic - no documentation about SingleAccessToken

    - by northox
    I been searching how to use the single access token in Authlogic but there is no consistent documentation on the web. Anyone knows how it work? Presently, I have this: class UserSession < Authlogic::Session::Base single_access_allowed_request_types = :all end And been using this url: www.mysite.com/?user_credentials=xyz but it does not work and the CSRF protection (protect_from_forgery()) is in the way too. thanks,

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  • RESTfully Nesting Resource Routes with Single Identifiers

    - by Craig Walker
    In my Rails app I have a fairly standard has_many relationship between two entities. A Foo has zero or more Bars; a Bar belongs to exactly one Foo. Both Foo and Bar are identified by a single integer ID value. These values are unique across all of their respective instances. Bar is existence dependent on Foo: it makes no sense to have a Bar without a Foo. There's two ways to RESTfully references instances of these classes. Given a Foo.id of "100" and a Bar.id of "200": Reference each Foo and Bar through their own "top-level" URL routes, like so: /foo/100 /bar/200 Reference Bar as a nested resource through its instance of Foo: /foo/100 /foo/100/bar/200 I like the nested routes in #2 as it more closely represents the actual dependency relationship between the entities. However, it does seem to involve a lot of extra work for very little gain. Assuming that I know about a particular Bar, I don't need to be told about a particular Foo; I can derive that from the Bar itself. In fact, I probably should be validating the routed Foo everywhere I go (so that you couldn't do /foo/150/bar/200, assuming Bar 200 is not assigned to Foo 150). Ultimately, I don't see what this brings me. So, are there any other arguments for or against these two routing schemes?

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  • Serving static files with Sinatra

    - by TK
    I have one page website only using HTML, CSS and JavaScript. I want to deploy the app to Heroku, but I cannot find a way to do it. I am now trying to make the app working with Sinatra. . |-- application.css |-- application.js |-- index.html |-- jquery.js `-- myapp.rb And the following is the content of myapp.rb. require 'rubygems' require 'sinatra' get "/" do # What should I write here to point to the `index.html` end

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  • rails date field format on error

    - by ash34
    Hi, I have an input field that captures a date in my form <%= f.text_field :from_date, :style => 'width:80px;' %> The user enters the date in the following format MM/DD/YYYY. However, when there is a validation error in the model and the form is displayed back to the user with the entered values, the date format is converted to YYYY-MM-DD HH:MM:SS UTC. Where do I format this to show MM/DD/YYYY, when the form is displayed to the user. thanks.

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  • RoR Devise: Sign in with username OR email

    - by Patrick Oscity
    Whats the best way to enable users to log in with their email address OR their username? I am using warden + devise for authentication. I think it probably won't be too hard to do it but i guess i need some advice here on where to put all the stuff that is needed. Perhaps devise devise already provides this feature? like in the config/initializers/devise.rb you would write: config.authentication_keys = [ :email, :username ] To require both username AND email for signing in. But i really want to have only one field for both username and email and require only one of them. I'll just visualize that with some ASCII art, it should look something like this in the view: Username or Email: [____________________] Password: [____________________] [Sign In]

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  • How do I test an image alt value using capybara?

    - by stayce
    I'm trying to define a step to test the value of alt text of an image using capybara and the css selectors. I wrote one for input values based on the readme examples: Then /^I should see a value of "([^\"])" within the "([^\"])" input$/ do |input_value, input_id| element_value = locate("input##{input_id}").value element_value.should == input_value end But I can't figure this one out...something like: Then /^I should see the alttext "([^\"]*)"$/ do | alt_text | element_value = locate("img[alt]").value Anyone know how I can locate the alt text value?

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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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  • Getting HTTP 406 when trying to test facebooker application with cucumber

    - by Waseem
    I am trying to test facebook api calls with cucumber. Here is the code. # app/controller/facebook_users_controller.rb class FacebookUsersController < ApplicationController def create fb_user = facebook_session.user user = User.new(:facebook_uid => fb_user.uid, :facebook_session_key => facebook_session.session_key respond_to do |format| if user.save format.json { render :json => { :status => 'ok' }.to_json } end end end end # features/steps/facebook_connect_step.rb Given /^I am a facebook connected user$/ do mock_session = Facebooker::MockSession.create post('/facebook_user.json') puts response.code end When I run the cucumber step for above step definition, I get a response code of 406 instead of 200. This happens in the cucumber test environment only and not in the browser(development/production).

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