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  • time difference on heroku server

    - by railsnew
    There seems to be a time difference on heroku server. >> Customer.last.id => 584 >> Customer.last.created_at => Thu, 06 May 2010 01:43:20 UTC +00:00 >> Time.zone => #<ActiveSupport::TimeZone:0x2b1dec47e5c0 @utc_offset=0, @tzinfo=#<TZInfo::DataTimezone: Etc/UTC>, @name="UTC"> >> Time.now => Wed May 05 19:05:15 -0700 2010 >> Time.now.zone => "PDT" Notice that current time is May 05 19...however, created_at date for last record is May 06 01:43. This does not make any sense. What can be causing this and how would I go about fixing this?

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  • putting <%=yield %> in a partial for ajax jquery calls

    - by odpogn
    I'm trying to make the "home" link in my <%= render 'layouts/header' %> do an ajax/jquery call to change the <%= yield %> in a partial inside my content div. all i get are blanks in the view.. <%= yield %> works fine when put in a partial without ajax, but it doesn't display anything when using ajax... can yield not be used this way? all I'm really looking for is the ability to click on my sites navigation links without having to reload the entire page... my application.html.erb file looks like so: <head> $(function() { $("#home").live("click", function() { $.get(this.href, null, null, "script"); return false; }); }); </head> <body> <div id="container"> <%= render 'layouts/header' %> <div id="content"> <%= render 'layouts/content' %> </div> <%= render 'layouts/footer' %> </div> </body> my <%= render 'layouts/header' %> contains: <%= link_to "Home", root_path, :id => "home" %> my <%= render 'layouts/content' %> only contains: <%= yield %> home.js.erb $("#content").html("<%= escape_javascript(render("layouts/content")) %>");

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  • ERB Template removing the trailing line

    - by KandadaBoggu
    I have an ERB template for sending an email. Name: <%= @user.name %> <% unless @user.phone.blank? %> Phone: <%= @user.phone %> <% end %> Address: <%= @user.address %> When the user hasn't set the phone then the email body is as follows: Name: John Miller Address: X124 Dummy Lane, Dummy City, CA I am trying to remove the blank line between Name and Address when Phone is empty. Name: John Miller Address: X124 Dummy Lane, Dummy City, CA I have tried to use <%--%> tags(to remove the trailing new line) without any success. Name: <%= @user.name %> <%- unless @user.phone.blank? -%> Phone: <%= @user.phone %> <%- end -%> Address: <%= @user.address -%> How do I work around this issue?

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  • Is Cancan's accessible_by my best choice for altering admin scope on the fly?

    - by evanchurchill
    Situation: On my site, I have a comment model, with a deleted field. Users cannot see deleted comments, but I would like to allow admins to see deleted comments, if they choose to. This will be accomplished by having a scope for users with the admin role which allows them to view comments with the deleted field set to false, as well as true. Question: Is Cancan's accessible_by method my best choice for doing so? From what I've read, it sounds like it will facilitate exactly what I'm trying to do, but, I don't want to implement something that is inefficient, if there is a better method.

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  • alias_method and class_methods don't mix?

    - by Daniel
    Greetings, I've been trying to tinker with a global Cache module, but I can't figure out why this isn't working. Does anyone have any suggestions? This is the error produced for the below code: NameError: undefined method get' for moduleCache' from (irb):21:in `alias_method' module Cache def self.get puts "original" end end module Cache def self.get_modified puts "New get" end end def peek_a_boo Cache.module_eval do # make :get_not_modified alias_method :get_not_modified, :get alias_method :get, :get_modified end Cache.get Cache.module_eval do alias_method :get, :get_not_modified end end # test first round peek_a_boo # test second round peek_a_boo TIA! -daniel

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  • how do I join and include the association

    - by Mark
    Hi All, How do I use both include and join in a named scope? Post is polymorphic class Post has_many :approved_comments, :class_name => 'Comment' end class Comment belongs_to :post end Comment.find(:all, :joins => :post, :conditions => ["post.approved = ? ", true], :include => :post) This does not work as joins does an inner join, and include does a left out join. The database throws an error as both joins can't be there in same query.

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  • named_scope + average is causing the table to be specified more then once in the sql query run on po

    - by hadees
    I have a named scopes like so... named_scope :gender, lambda { |gender| { :joins => {:survey_session => :profile }, :conditions => { :survey_sessions => { :profiles => { :gender => gender } } } } } and when I call it everything works fine. I also have this average method I call... Answer.average(:rating, :include => {:survey_session => :profile}, :group => "profiles.career") which also works fine if I call it like that. However if I were to call it like so... Answer.gender('m').average(:rating, :include => {:survey_session => :profile}, :group => "profiles.career") I get... ActiveRecord::StatementInvalid: PGError: ERROR: table name "profiles" specified more than once : SELECT avg("answers".rating) AS avg_rating, profiles.career AS profiles_career FROM "answers" LEFT OUTER JOIN "survey_sessions" survey_sessions_answers ON "survey_sessions_answers".id = "answers".survey_session_id LEFT OUTER JOIN "profiles" ON "profiles".id = "survey_sessions_answers".profile_id INNER JOIN "survey_sessions" ON "survey_sessions".id = "answers".survey_session_id INNER JOIN "profiles" ON "profiles".id = "survey_sessions".profile_id WHERE ("profiles"."gender" = E'm') GROUP BY profiles.career Which is a little hard to read but says I'm including the table profiles twice. If I were to just remove the include from average it works but it isn't really practical because average is actually being called inside a method which gets passed the scoped. So there is some times gender or average might get called with out each other and if either was missing the profile include it wouldn't work. So either I need to know how to fix this apparent bug in Rails or figure out a way to know what scopes were applied to a ActiveRecord::NamedScope::Scope object so that I could check to see if they have been applied and if not add the include for average.

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  • Rails - Seeking a Dry authorization method compatible with various nested resources

    - by adam
    Consensus is you shouldn't nest resources deeper than 1 level. So if I have 3 models like this (below is just a hypothetical situation) User has_many Houses has_many Tenants and to abide by the above i do map.resources :users, :has_many => :houses map.resorces :houses, :has_many => :tenants Now I want the user to be able edit both their houses and their tenants details but I want to prevent them from trying to edit another users houses and tenants by forging the user_id part of the urls. So I create a before_filter like this def prevent_user_acting_as_other_user if User.find_by_id(params[:user_id]) != current_user() @current_user_session.destroy flash[:error] = "Stop screwing around wiseguy" redirect_to login_url() return end end for houses that's easy because the user_id is passed via edit_user_house_path(@user, @house) but in the tenents case tenant house_tenent_path(@house) no user id is passed. But I can get the user id by doing @house.user.id but then id have to change the code above to this. def prevent_user_acting_as_other_user if params[:user_id] @user = User.find(params[:user_id] elsif params[:house_id] @user = House.find(params[:house_id]).user end if @user != current_user() #kick em out end end It does the job, but I'm wondering if there is a more elegant way. Every time I add a new resource that needs protecting from user forgery Ill have to keep adding conditionals. I don't think there will be many cases but would like to know a better approach if one exists.

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  • How to count the length (number of lines) of a csv file in Rails?

    - by Mathias
    Hello, I have a form (Rails) which allows me to load a .csv file using the file_field. In the view: <% form_for(:upcsv, :html => {:multipart => true}) do |f| %> <table> <tr> <td><%= f.label("File:") %></td> <td><%= f.file_field(:filename) %></td> </tr> </table> <%= f.submit("Submit") %> <% end %> Clicking Submit redirects me to another page (create.html.erb). The file was loaded fine, and I was able to read the contents just fine in this second page. I am trying to show the number of lines in the .csv file in this second page. My controller (semi-pseudocode): class UpcsvController < ApplicationController def index end def create file = params[:upcsv][:filename] ... #params[:upcsv][:file_length] = file.length # Show number of lines in the file #params[:upcsv][:file_length] = file.size ... end end Both file.length and file.size returns '91' when my file only contains 7 lines. From the Rails documentation that I read, once the Submit button is clicked, Rails creates a temp file of the uploaded file, and the params[:upcsv][:filename] contains the contents of the temp/uploaded file and not the path to the file. And I don't know how to extract the number of lines in my original file. What is the correct way to get the number of lines in the file? My create.html.erb: <table> <tr> <td>File length:</td> <td><%= params[:upcsv][:file_length] %></td> </tr> </table> I'm really new at Rails (just started last week), so please bear with my stupid questions. Thank you!

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  • Scaffold default files are the best practice?

    - by antpaw
    Hey, i have some experience with MVC. but I'm new to rails. I'm using the scaffold command to generate some default files. The model looks clean and nice, but the controller and the views aren't really dry. The contents of new.html.erb and edit.html.erb are almost the same and the methods new/edit and create/update are doing almost the same thing. In other frameworks i've used only one view for updating and creating new entries and also the same method in my controller by setting the id as an optional parameter. Do they use this structure to keep things RESTful (i have not much of a clue about rest :()? Is it the best practice to use this default stuff for crud?

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  • Creating records using RJS in rails

    - by Elliot
    Hey Everyone, so I've watched http://railscasts.com/episodes/43-ajax-with-rjs but I have a question: In my view I have the following: <div id="testly"> <%= render :partial => "test" %> </div> This works. Using create.rjs to change the content in this div, I have the following in my create.rjs file: page.replace_html :testly, :partial = 'test' Simply put, this should just refresh the partial right? But its not working... Would love any suggestions!

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  • How to unescape String in Rails

    - by Midday
    I have a long String from a WYSIWYG (in my case YUI) which I then send as html email. since its an email all CSS needs to be inline so how should i unescape this: <span style=\"color: #c00000; font-size: 14px;\"> Is .gsub '\"' , '"' enough?

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  • Form With Quantity doesn't seem to submit

    - by Karl Entwistle
    Hey guys, I've been trying to understand the documentation and find an example, but I'm at a loss. This is just a submit form within the cart for updating the quantity. However, the updated quantity is not getting saved to the database -- it always makes the quantity 0. Please help. Form <% for line_item in @cart.line_items %> <% form_for :lineitems, :url => {:controller => "line_items", :action => "cart_update", :id => "#{line_item.product_id}"} do |l| %> <%= l.text_field :quantity, :size => '3', :value => line_item.quantity %> <%= l.submit 'cart_update' %> <% end %> Route map.connect 'line_item_update', :controller => 'line_items', :action => 'cart_update' Controller def cart_update @product = Product.find(params[:id]) item = LineItem.find_or_create_by_cart_id(:cart_id => current_cart.id, :product_id => @product.id, :quantity => 0, :unit_price => @product.price) item.quantity = (params[:quantity]).to_i item.save redirect_to :controller => 'products' end

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  • Cucumber testing with rails on mongoid-gridfs

    - by Deepak Lamichhane
    I am getting this weird error while running cucumber test: ERROR Mongo::OperationFailure: Database command 'filemd5' failed: {"errmsg"="exception: best guess plan requested, but scan and order required: query: { files_id: ObjectId('4d1abab3a15c84139c00006e') } order: { files_id: 1, n: 1 } choices: { $natural: 1 } ", "code"=13284, "ok"=0.0} I have a list of similar scenarios, where first scenario passes but all the other following scenario fails. I searched for it and I found that there is problem with indexing. But, I am not sure about what query to write. Furthermore, I can add the query on the mongo of the development. I want to make sure that the indexing is done in test too. If anyone has any idea on this, feel free.

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  • Rails HABTM Scoping to current subdomain

    - by Rabbott
    I have the following associations: class User < ActiveRecord::Base has_and_belongs_to_many :brands, :join_table => 'brands_users' has_and_belongs_to_many :companies, :join_table => 'companies_users' end class Brand < ActiveRecord::Base belongs_to :company has_and_belongs_to_many :users, :join_table => 'brands_users' end class Company < ActiveRecord::Base has_and_belongs_to_many :users, :join_table => 'companies_users' has_many :brands, :order => :name end While editing a user I am using the checkbox list of brands. So that I can assign users 'access' to brands, the brands that show up are only the brands that belong to the current company (defined by the subdomain [using subdomain_fu]). The problem I am running into is that when using the default HABTM functionality and the checkbox list, upon save, Rails removes ALL user-brand associations, then re-adds just the ones for the form I just submitted.. How do I scope that to only remove associations of brands who belong to the current company, defined in the subdomain?

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  • what is a RoR best practice? match by id or different column?

    - by Omnipresent
    I had a terrible morning. Lots of emails floating around about why things don't work. Upon investigating I found that there is a data mismatch which is causing errors. Scenario Customer and Address are two tables. Customer contains class Customer < ActiveRecord::Base has_one :address, :foreign_key => "id" end Address Contains class Address < ActiveRecord::Base belongs_to :customer, :foreign_key => "cid" end So the two tables match on id which is the default and that column is auto incremented. Problem on the edit Page we have some code like this. params[:line1] = @customer.first.address.line1 It fails because no matching record is found for a customer in the address table. I don't know why this is happening. It seems that over time a lot of records did not get added to Address table. Now problem is that when a new Customer is added (say with id 500) the Address will be added with some other id (say 425) ...now you don't know which address belongs to which customer. Question Being new to Rails, I am asking whether it is always considered good to create an extra column for joining of the records, rather than depending on the column that is automatically incremented? If I had a seperate column in Address table where I would manually insert the recently added customers id then this issue would not have come up.

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  • Rails Asset Caching Breaks First few page loads

    - by Brian Armstrong
    We're using Rails asset caching for JS and CSS like this: <%= javascript_include_tag :defaults, 'autocomplete', 'searchbox', 'jqmodal', :cache => set_asset_cache(:admins) %> In our deploy we call rake tmp:assets:clear each time. The problem is that the first few page loads after a deploy come up with no css on the page. I guess until the cached all.js and all.css have been regenerated. We deploy many times per day and this is scary for any users who happen to come across a busted page. Have people found any way to make this smoother so the new cached assets are guaranteed to be there on the first new page load?

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  • Rails relation select

    - by Dimitar Vouldjeff
    Hi, I have the following models: class User < ActiveRecord::Base has_many :results, :dependent => :destroy has_many :participants, :dependent => :destroy has_many :courses, :through => :participants end class Course < ActiveRecord::Base has_many :tests, :dependent => :destroy has_many :participants, :dependent => :destroy has_many :users, :through => :participants end class Result < ActiveRecord::Base belongs_to :test belongs_to :user end class Test < ActiveRecord::Base belongs_to :course has_many :results, :dependent => :destroy end The Idea is that a user has_and_belongs_to_many courses, the course has_many tests, and every test has_and_belongs_to_many users (results). So what is the best query to select every Result from a single Course (not test), and also the query to select every Result from a single Course, but from one user. Thanks!

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  • function not working in production mode

    - by maps
    I am using the rvideo gem to transcode files to a .flv format. class Video < ActiveRecord::Base include AASM aasm_column :status aasm_initial_state :initial aasm_state :initial aasm_state :converting, :exit => :transcode aasm_state :transfering , :exit => :send_s3 aasm_state :completed aasm_state :failed aasm_event :convert do transitions :from => [:initial], :to => :converting end aasm_event :transfer do transitions :from => [:converting], :to => :transfering end aasm_event :complete do transitions :from => [:transfering], :to => :completed end aasm_event :error do transitions :from => [:initial, :converting, :transfering, :completed] end has_attached_file :asset, :path => "uploads/:attachment/:id.:basename.:extension" def flash_path return self.asset.path + '.flv' end def flash_name return File::basename(self.asset.path)# + '.flv' end def flash_url return "#{AWS_HOST}/#{AWS_BUCKET}/#{self.flash_name}" end # transcode file def transcode begin RVideo::Transcoder.logger = logger file = RVideo::Inspector.new(:file => self.asset.path) command = "ffmpeg -i $input_file$ -y -s $resolution$ -ar 44100 -b 64k -r 15 -sameq $output_file$" options = { :input_file => "#{RAILS_ROOT}/#{self.asset.path}", :output_file => "#{RAILS_ROOT}/#{self.flash_path}", :resolution => "320x200" } transcoder = RVideo::Transcoder.new transcoder.execute(command, options) rescue RVideo::TranscoderError => e logger.error "Encountered error transcoding #{self.asset.path}" logger.error e.message end end The input file is added to the asset directory, but I never get an outputted file. On the view page aasm hangs on "converting".

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  • Can't run rails server as daemon

    - by Jim
    I'm using rails 2.3.2 and when I run script/server -d, the only output I get is = Booting Mongrel = Rails 2.3.2 application starting on http://0.0.0.0:3000 which is fine. But when I check for anything running on port 3000, i get nothing. Any ideas?

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