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  • grammar in views

    - by jspooner
    I'm displaying a string like "I'm an Actor" or "I'm a skateboarder" and need to use a or an correctly. Is there a nifty rails view helper to see if a word starts with a vowel? <p>I'm an <%= @user.skills %></p> <p>I'm a <%= @user.skills %></p>

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  • How do you use scripting language (PHP, Python, etc) to improve your productivity?

    - by Edwin
    Hi, I'm a Delphi developer on the Windows platform, recently read the PHP tutorial at W3CSchools, it looks interesting. We all know scripting languages are very good at web site development, but I also want to utilize it to improve my productivity or get some tedious tasks done quickly, maybe some quick-and-dirty string/file processing? How do you usually do with scripting languages apart from software development? And we need a responsive, decent IDE/editor in order to gain productivity when writing scripts for this purpose? Thanks for in advance!

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  • Sqs vs SqsGen2 using RightScale right_aws GEM

    - by Fitter Man
    I'm trying to use the right_aws (1.10.0) GEM with Rails, and I've reduced my problem to a 3-line irb session. The following works require 'rubygems' require 'right_aws' sqs = RightAws::Sqs.new("xxxxxxxxxxxxxxx", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx") while this fails require 'rubygems' require 'right_aws' sqs = RightAws::SqsGen2.new("xxxxxxxxxxxxxxx", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx") with NameError: uninitialized constant RightAws::SqsGen2. I see the class definition in the GEM source, the documentation is old but seems accurate, but I can't figure out what I'm doing wrong. And while you're at it, is there any reason if I'm building something new, I'd want to use the older interface?

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  • Rails ActiveResource Associations

    - by brad
    I have some ARes models (see below) that I'm trying to use associations with (which seems to be wholly undocumented and maybe not possible but I thought I'd give it a try) So on my service side, my ActiveRecord object will render something like render :xml => @group.to_xml(:include => :customers) (see generated xml below) The models Group and Customers are HABTM On my ARes side, I'm hoping that it can see the <customers> xml attribute and automatically populate the .customers attribute of that Group object , but the has_many etc methods aren't supported (at least as far as I can tell) So I'm wondering how ARes does it's reflection on the XML to set the attributes of an object. In AR for instance I could create a def customers=(customer_array) and set it myself, but this doesn't seem to work in ARes. One suggestion I found for an "association" is the just have a method def customers Customer.find(:all, :conditions => {:group_id => self.id}) end But this has the disadvantage that it makes a second service call to look up those customers... not cool I'd like my ActiveResource model to see that the customers attribute in the XML and automatically populate my model. Anyone have any experience with this?? # My Services class Customer < ActiveRecord::Base has_and_belongs_to_many :groups end class Group < ActiveRecord::Base has_and_belongs_to_many :customer end # My ActiveResource accessors class Customer < ActiveResource::Base; end class Group < ActiveResource::Base; end # XML from /groups/:id?customers=true <group> <domain>some.domain.com</domain> <id type="integer">266</id> <name>Some Name</name> <customers type="array"> <customer> <active type="boolean">true</active> <id type="integer">1</id> <name>Some Name</name> </customer> <customer> <active type="boolean" nil="true"></active> <id type="integer">306</id> <name>Some Other Name</name> </customer> </customers> </group>

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  • Using jQuery UI with Rails

    - by Steve
    Hi, I am using jQuery in my Rails App. But when I try to turn my button to jQueryUI(Cupertino theme) button, it does not appear to be look like a jQuery UI Themed button. jQuery works because I am using it for Ajax and it works properly. I have pasted the code. Please tell me whether I am doing it wrongly <%=javascript_include_tag "jquery-1.4.2.min","jquery-ui-1.8.1.min","jquery.nivo.slider.pack","application"%> <input type = submit id = "add" name = "add" value = " Add " /> $("#add").button(); Thanks

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  • Evaluating points in time by months, but without referencing years in Rails

    - by MikeH
    FYI, There is some overlap in the initial description of this question with a question I asked yesterday, but the question is different. My app has users who have seasonal products. When a user selects a product, we allow him to also select the product's season. We accomplish this by letting him select a start date and an end date for each product. We're using date_select to generate two sets of drop-downs: one for the start date and one for the end date. Including years doesn't make sense for our model. So we're using the option: discard_year => true When you use discard_year => true, Rails sets a year in the database, it just doesn't appear in the views. Rails sets all the years to either 0001 or 0002 in our app. Yes, we could make it 2009 and 2010 or any other pair. But the point is that we want the months and days to function independent of a particular year. If we used 2009 and 2010, then those dates would be wrong next year because we don't expect these records to be updated every year. My problem is that we need to dynamically evaluate the availability of products based on their relationship to the current month. For example, assume it's March 15. Regardless of the year, I need a method that can tell me that a product available from October to January is not available right now. If we were using actual years, this would be pretty easy. For example, in the products model, I can do this: def is_available? (season_start.past? && season_end.future?) end I can also evaluate a start_date and an end_date against current_date However, in setup I've described above where we have arbitrary years that only make sense relative to each other, these methods don't work. For example, is_available? would return false for all my products because their end date is in the year 0001 or 0002. What I need is a method just like the ones I used as examples above, except that they evaluate against current_month instead of current_date, and past? and future months instead of years. I have no idea how to do this or whether Rails has any built in functionality that could help. I've gone through all the date and time methods/helpers in the API docs, but I'm not seeing anything equivalent to what I'm describing. Thanks.

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  • Using respond_to ... format.json and jQuery Form Plugin by malsup

    - by Topher Fangio
    Hello all, I'm having a tad bit of trouble getting the jQuery Form Plugin to work properly with a file-upload field. When I use the plugin to submit the form without a file-upload field, the format.json portion of the respond_to do |format| block is called properly. However, by adding the file-upload field, it only executes the format.html portion which makes my javascript code think that an error has occurred. Has anyone run into this before or know a way to force the plugin to always use json? Alternatively, can I modify the url that the plugin uses to force Rails to render the json? Thanks very much for any help! Code below: # app/controllers/details_controller.rb def create @detail = Detail.new(params[:detail]) style = params[:detail_style].to_sym || :thumb data = { :id => '5', :url => 'test.rails' } respond_to do |format| if @detail.save flash[:notice] = 'Your image has been saved.' data = { :id => @detail.id, :url => @detail.data.url(style) } format.html { redirect_to :action => 'index' } format.json { render :json => "<textarea>#{data.to_json}</textarea>", :status => :created } else format.html { render :action => 'new' } format.json { render :json => @detail.errors, :status => :unprocessable_entity } end end end /* app/views/sidebar/_details.html.erb (excerpt) */ <% form_for(Detail.new, :html => { :multipart => true } ) do |f| %> <%= hidden_field_tag 'detail_style', 'thumb' %> <%= f.label :image, "Recent Images" %> <%= f.file_field :image%> <p> <%= f.submit "Upload" %> </p> <% end %> <script> $(document).ready(function() { var options = { dataType: 'json', success: function(json, statusText) { console.log("success: " + json); }, error: function(xhr, statusText, errorThrown) { console.log("error: " + xhr.responseText); } }; $('#new_detail').ajaxForm(options); });

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  • Capistrano configuration

    - by Eli
    I'm having some issues with variable scope with the capistrano-ext gem's multistage module. I currently have, in config/deploy/staging.rb. set(:settings) { YAML.load_file("config/deploy.yml")['staging'] } set :repository, settings["repository"] set :deploy_to, settings["deploy_to"] set :branch, settings["branch"] set :domain, settings["domain"] set :user, settings["user"] role :app, domain role :web, domain role :db, domain, :primary => true My config/deploy/production.rb file is similar. This doesn't seem very DRY. Ideally, I think I'd like everything to be in the deploy.rb file. If there were a variable set with the current stage, everything would be really clean. UPDATE: I found a solution. I defined this function in deploy.rb: def set_settings(params) params.each_pair do |k,v| set k.to_sym, v end if exists? :domain role :app, domain role :web, domain role :db, domain, :primary => true end end Then my staging.rb file is just set_settings(YAML.load_file("config/deploy.yml")['staging'])

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  • Rails paperclip problem

    - by palani
    I have uploaded the video into my rails application by using thoughtbot-paperclip then the video is converted into "flv" format by using ffmpeg. For your reference here I specified some of my model sample code: model.rb: has_attached_file :source,:styles => {:thumb => "137x85>" } If i specified :url or :path option it doesn't worked correctly. In my view I played my video by using the following line: <%= @model.source.url.gsub(/\?.*/,'')%> If i use <%= @model.source.url%>, the video is not played. When do the puts for video url it shows me the video URL as /source/original/sample/sample.fly?22000009. I knew that the last portion is a timestamp, but i want to use <%= @model.source.url%>. What's my mistake here can any one correct me please?

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  • Rails - operation outside of a rollback

    - by Brian Armstrong
    I have a before_create filter that checks if people are posting too many comments. If they are I want to flag their account. class Comment < ActiveRecord::Base before_create :check_rate_limit def check_rate_limit comments_in_last_minute = self.user.comments.count(:conditions => ["comments.created_at > ?", 1.minute.ago]) if comments_in_last_minute > 2 user.update_attribute :status, "suspended" return false end true end end The before filter returns false to stop the comment from being created. The problem is that this triggers a ROLLBACK which also undoes the changes I made to the user model. What's the correct pattern to accomplish this? Specifically: running a check each time an object is created and being able to edit another model if the check fails.

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  • What's an elegant way to conditionally add a class to an HTML element in a view?

    - by ryeguy
    I occasionally have to add a class to an html element based on a condition. The problem is I can't figure out a clean way of doing it. Here's an example of the stuff I've tried: <div <%= if @status = 'success'; "class='ok'"; end %>> some message here </div> OR <% if @status == 'success' %> <div class='success'> <% else %> <div> <% end %> some message here </div> I don't like the first approach because it's crowded looking and hard to read. I don't like the second approach because the nesting is screwed up. It'd be nice to put it in the model, (something like @status.css_class), but that doesn't belong there. What do most people do?

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  • Automatically render changed partials in webby

    - by Tomas Sedovic
    I have a webby page and I'm have a layout that all my pages are rendered to. That layout uses a partial for navigation (in HAML): = render(:partial => "navigation", :locals => {:some => "stuff"} ) The problem is that when I change the _navigation partial, neither webby nor webby autobuild recognize the change and they don't re-render the pages. I've solved this by setting the dirty: true flag in the layout, but that makes all the pages re-render every time -- even when nothing changed. I know that this is not that big a deal, but still: is there a way so that when you change partial, webby recognizes this and renders only the affected pages (as it does with everything else)?

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  • Limit a user to view only associated records in rails

    - by trobrock
    I have an application with three Models (Profile - SubModel - SubSubModel) chained together with has many relationships. I am trying to limit a user, after logging in, to only retrieving records that are associated with their Profile. I am very new to rails and this is what I had been trying in the Profile model has_many :submodels, :conditions => {:profile_id => self.id} but this is returning an empty data set when calling with Profile.find_by_id(1).submodels, how else could I achieve what I am trying to do. Or should I handle this in the controller or view instead, I thought it sounded well suited for the model to handle this.

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  • Redirect Output of Capistrano

    - by Eric Lubow
    I have a Capistrano deploy file (Capfile) that is rather large, contains a few namespaces and generally has a lot of information already in it. My ultimate goal is, using the Tinder gem, paste the output of the entire deployment into Campfire. I have Tinder setup properly already. I looked into using the Capistrano capture method, but that only works for the first host. Additionally that would be a lot of work to go through and add something like: output << capture 'foocommand' Specifically, I am looking to capture the output of any deployment from that file into a variable (in addition to putting it to STDOUT so I can see it), then pass that output in the variable into a function called notify_campfire. Since the notify_campfire function is getting called at the end of a task (every task regardless of the namespace), it should have the task name available to it and the output (which is stored in that output variable). Any thoughts on how to accomplish this would be greatly appreciated.

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  • ActionMailer execution timeout

    - by user275729
    When trying to send an email to the user for reseting their password, I keep getting an execution timed out error. Other mailer functions work, so I know that the config settings are correct. The header reads: "Timeout::Error in Password resetsController#create" Here is the password_resets_controller: def create @user = User.find_by_email(params[:email]) if @user User.deliver_password_reset_instructions(@user.id) flash[:notice] = "Instructions to reset your password have been emailed to you. " + "Please check your email." redirect_to '/' else flash[:notice] = "No user was found with that email address" render :action => :new end end Here is the method inside of User.rb def self.deliver_password_reset_instructions(user_id) user = User.find(user_id) user.reset_perishable_token! Emailer.deliver_password_reset_instructions(user) end Finally, here is the actual method inside of emailer.rb: default_url_options[:host] = "http://0.0.0.0:3000" #development def password_reset_instructions(user) @subject = "FanGamb Password Reset" @from = '[email protected]' @recipients = user.email @sent_on = Time.now @body["edit_password_reset_url"] = edit_password_reset_url(user.perishable_token) @headers["X-SMTPAPI"] = "{\"category\" : \"Password Recovery\"}"#send grid category header end Why is "Password" in the error message referred to causing a timeout::error

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  • 'sript/console test' with spork and rspec not loading the whole environment?

    - by TheDeeno
    I'm trying to load up console to interact with some of my rspec mocking helpers. I expected that running script/console test would load an env similar to when I run spec. However, this doesn't appear to be the case. It looks like spec_helper is never loaded. Or, if it is, it's not actually running through the logic because spork has polluted it a bit. In short, is there a quick and easy way to get an interactive rspec party going?

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  • Merging Passed Parameters

    - by Josh Crowder
    I have a two data arrays sent in from a form, one called transloaded and the other video which is the actual form for the model. I need to get [:video_encoded][:url] and save that to [:video][:flash_url] This is the passed arguments or transloaded, when I try and access [:transload][:results][:video_encode] I get nil. print params[:transload] { "assembly_id":"d59b4293b3d79d2ccd1948c02421c6a6", "status":"success", "uploads":{ "video":{ "name":"bbc_one.mp4", "mime":"video/mp4", "ext":"mp4", "size":601104, "meta":{ "width":720, "height":404, "video_fps":25, "video_bitrate":null, "video_format":"avc1", "video_codec":"ffh264", "audio_bitrate":"128k", "audio_codec":"faad", "duration":3.07, "device_vendor":null, "device_name":null, "device_software":null, "latitude":null, "longitude":null }, "url":"http://tmp.transloadit.com/" } }, "results":{ "video_encode":{ "name":"bbc_one.flv", "mime":"video/x-flv", "steps":["encode","export"], "ext":"flv", "size":388317, "meta":{ "width":480, "height":320, "video_fps":25, "video_bitrate":"512k", "video_format":"FLV1", "video_codec":"ffflv", "audio_bitrate":"64k", "audio_codec":"mp3", "duration":3.11, "device_vendor":null, "device_name":null, "device_software":null, "latitude":null, "longitude":null }, "url":"http://s3.transloadit.com/b7deac9c96af6c745e914e25d0350baa/7a/2b09e822265ac2328789b40dcc02ae/bbc_one.flv" }, "video_encode_iphone":{ "name":"bbc_one.qt", "mime":"video/quicktime", "steps":["encode_iphone","export"], "ext":"qt", "size":218236, "meta":{ "width":480, "height":320, "video_fps":25, "video_bitrate":null, "video_format":"avc1", "video_codec":"ffh264", "audio_bitrate":"128k", "audio_codec":"faad", "duration":3.04, "device_vendor":null, "device_name":null, "device_software":null, "latitude":null, "longitude":null }, "url":"http://s3.transloadit.com/31/58bcc80d5345e52a42c9773125e8f0/bbc_one.qt" } } } Here is what I am trying to use video_links = { :flash_url => params[:transload][:results][:video_encode][:url], :mp4_url => params[:transload][:results][:video_encode_iphone][:url] } params[:video].merge(video_links)

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  • Authorize.net Parameters with activemerchant

    - by rpflo
    I'm using authorize.net and activemerchant in a rails app. When I make a purchase authorize.net sends back an email with information about the purchase. I should be able to send them the billing and shipping address information and have that returned in the email, but it's not returning any of the information, obviously I've got the varable names wrong, anybody know what they should be? I've been pouring over the authorize.net api docs and activemerchant's but can't find what I need. My purchase method on an orders model looks like this: def purchase purchase_options = { :ip => ip_address, :first_name => first_name, :last_name => last_name, :address => billing_street_address, :city => billing_city, :state => billing_state, :country => "US", :zip => billing_zip, :ship_to_first_name => first_name, :ship_to_last_name => last_name, :ship_to_address => shipping_street_address, :ship_to_city => shipping_city, :ship_to_state => shipping_state, :ship_to_country => "US", :ship_to_zip => shipping_zip } response = GATEWAY.purchase(price_in_cents, credit_card, purchase_options) # other transaction stuff response.success? end

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  • Suppress/Override application.html.erb

    - by user310628
    Is there any way to suppress the default js and css loaded by application.html.erb on a view by view basis? I'm finding it incredibly difficult to manage a global css and js includes configuration when certain views need different js libraries that for some reason seem to be conflicting with one another. For example, I might want jquery 1.3 for one view and 1.4.2 for another. I don't necessarily want to have to have an include for every view (I do want to have a global site-wide default), but I would also like to be able to override those for any view I want. Thanks!

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  • Updating extra attributes in a has_many, :through relationship using Rails

    - by Robbie
    I've managed to set up a many-to-many relationship between the following models Characters Skills PlayerSkills PlayerSkills, right now, has an attribute that Skills don't normally have: a level. The models look something like this (edited for conciseness): class PlayerSkill < ActiveRecord::Base belongs_to :character belongs_to :skill end class Skill < ActiveRecord::Base has_many :player_skills has_many :characters, :through => :player_skills attr_accessible :name, :description end class Character < ActiveRecord::Base belongs_to :user has_many :player_skills has_many :skills, :through => :player_skills end So nothing too fancy in the models... The controller is also very basic at this point... it's pretty much a stock update action. The form I'm looking to modify is characters#edit. Right now it renders a series of checkboxes which add/remove skills from the characters. This is great, but the whole point of using has_many :through was to track a "level" as well. Here is what I have so far: - form_for @character do |f| = f.error_messages %p = f.label :name %br = f.text_field :name %p = f.label :race %br = f.text_field :race %p = f.label :char_class %br = f.text_field :char_class %p - @skills.each do |skill| = check_box_tag "character[skill_ids][]", skill.id, @character.skills.include?(skill) =h skill.name %br %p = f.submit After it renders "skill.name", I need it to print a text_field that updates player_skill. The problem, of course, is that player_skill may or may not exist! (Depending on if the box was already ticked when you loaded the form!) From everything I've read, has_many :through is great because it allows you to treat the relationship itself as an entity... but I'm completely at a loss as to how to handle the entity in this form. As always, thanks in advance for any and all help you can give me!

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  • Rails: Using form tags inside lib

    - by jaycode
    So I have this code inside my lib/ folder: class GlobalConfig::SetHelper def self.yes_no_input(configuration) value = configuration.value name = configuration.name "#{radio_button_tag name, true, (value == true), {:id => "#{name}_yes"}} #{label_tag "#{name}_yes", 'yes'} #{radio_button_tag name, false, (value.blank? or value == false), {:id => "#{name}_no"}} #{label_tag "#{name}_no", 'no'}" end end But it returned: undefined method `radio_button_tag' for GlobalConfig::SetHelper:Class when I run the code. How do I fix this. Anyone? Thanks

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