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  • Shipping Integration into a Rails App

    - by MikeH
    I'm working on integrating a shipping solution into a Rails ecommerce app. We're only going to use one shipping provider. So the question is: Fedex or UPS? I'm wondering what Rails developers think about the tech side of this question. What do you think about the APIs, ease of integration, focus on developer's needs between Fedex and UPS? I was leaning towards Fedex, but from looking at the developers resources sections of both sites, it seems that UPS might be more developer friendly. Also, I'm going to be using Shopify's active_shipping gem: http://github.com/Shopify/active_shipping And I also based my app off the Spree Ecommerce solution, but I don't think that's particularly relevant to the question. Spree wrote a wrapper to integrate active_shipping with the Spree system. I gave away all my points, so SO wont' let me post another link in this question. But if you google "Spree active-shipping", their wrapper on github is the first result. Thanks.

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  • Conditional relation

    - by Lowgain
    I've got a model like this: Stem -id -etc And then I have Stemrelation -stem_id -related_stem_id -active I can get the related stems with the following relations class Stem < ActiveRecord::Base has_many :stemrelations has_many :related_stems, :through => :stemrelations end class Stemrelation < ActiveRecord::Base belongs_to :stem belongs_to :related_stem, :class_name => "Stem", :foreign_key => "related_stem_id" end But now I'd only like to get the active relations. I tried adding this to the Stem model: has_many :active_related, :through => :stemrelations, :source => :related_stem, :conditions => {:active => true} but this gives me an error becasue it tries to check the active flag on the stem model instead of the stemrelation. What do I change here? Thanks!

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  • Workling not running tasks in background

    - by alex
    Hi, I followed the railscast that describes how to get workling running background tasks, but can't get it working. The task runs, but not in the background (it's taking 5 secs before I'm redirected to admin_path). Here is what my code looks like: class AdminWorker < Workling::Base   def test_workling(options)     sleep 5   end end class AdminController < ApplicationController   def test_workling     AdminWorker.async_test_workling     flash[:notice] = "Doing stuff in the background"     redirect_to admin_path   end end What am I doing wrong? How to debug? Thanks!

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  • paperclip error

    - by ZX12R
    i am trying paperclip for the first time and followed this tutorial all is well until i use styles. this is the code has_attached_file :photo, :url => "/uploads/products/:id/:style/:basename.:extension", :path => ":rails_root/public/uploads/products/:id/:style/:basename.:extension", :styles => { :thumb=> "100x100#" } the error i see on the console is [paperclip] An error was received while processing: #<Paperclip::NotIdentifiedByImageMagickError: C:/DOCUME~1/LOCALS~1/Temp/stream,2956,1.jpg is not recognized by the 'identify' command.> what does this mean? I have no idea what it means. Should i install this ImageMagick? I tried installing it as a plugin as per this page. This also returns an error that "plugin not found". what am i missing here?

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  • Receiving a JSON string & saving one of the array paramaters to the database as a full string

    - by ElTren
    Hi I have a JSON string that looks like this (Usingt Rails and a REST service) { person: { name:"Pepe", last:"Smith" hats:[ { team:"lakers", color:"purple"}, { team:"heats", color:"red" }] } } I want to be able to able to get that JSON, and save the Person to the database, but I want to save the "hats".. as a string to the database; without parsing it or anything like that i.e. I want to save this to SQL: hats = "[ { team:"lakers", color:"purple"}, { team:"heats", color:"red" }] }" Is there a way to do this in rails?

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  • Rails 3 nested forms with has_many :through, entry in join table dosen't get deleted after update

    - by Hadi S.
    Hi, i have a 'User' model which has a has_many relationship to a 'Number' model through a join table 'user_number' model. I use accepts_nested_attributes_for :numbers, :allow_destroy = true in the 'User' model. Everything works fine except that whenever i delete a number from a user in the edit form, the associated number is deleted correctly in the 'number' table, but not the entry in the 'user_number' join table. In the update controller action i only use this: ... if @user.update_attributes(params[:user]) ... How can i force rails to also delete the associated entry in the join table?

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  • Checking inherited attributes in an 'ancestry' based SQL table

    - by Brendon Muir
    I'm using the ancestry gem to help organise my app's tree structure in the database. It basically writes a childs ancestor information to a special column called 'ancestry'. The ancestry column for a particular child might look like '1/34/87' where the parent of this child is 87, and then 87's parent is 34 and 34's is 1. It seems possible that we could select rows from this table each with a subquery that checks all the ancestors to see if a certain attribute it set. E.g. in my app you can hide an item and its children just by setting the parent element's visibility column to 0. I want to be able to find all the items where none of their ancestors are hidden. I tried converting the slashes to comma's with the REPLACE command but IN required a set of comma separated integers rather than one string with comma separated string numbers. It's funny, because I can do this query in two steps, e.g. retrieve the row, then take its ancestry column, split out the id's and make another query that checks that the id is IN that set of id's and that visibility isn't ever 0 and whala! But joining these into one query seems to be quite a task. Much searching has shown a few answers but none really do what I want. SELECT * FROM t1 WHERE id = 99; 99's ancestry column reads '1/34/87' SELECT * FROM t1 WHERE visibility = 0 AND id IN (1,34,87); kind of backwards, but if this returns no rows then the item is visible. Has anyone come across this before and come up with a solution. I don't really want to go the stored procedure route. It's for a rails app.

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  • Routing a location that matches one controller to another

    - by Luca Romagnoli
    Hi I have a controller named "places" with some actions like "view", "new", "create" When a user goes to mysite.com/places I want to execute the action "show" of another controller called "cores" So I've put this in the routes.rb file: map.connect '/:id/show', :controller => "cores", :action => "show" But it doesn't work. I receive this error: Processing PlacesController#show (for 127.0.0.1 at 2010-04-16 00:52:07) [GET] ActionController::UnknownAction (No action responded to show. Actions: admin_denied, admin_required, auto_complete_for_location, auto_complete_for_name, change_location, create, create_facebook_session, create_facebook_session_with_secret, edit, exist, facebook_params, facebook_session, facebook_session_expired, facebook_session_parameters, get_form, is_admin?, new, one_or_true, redirect_to, render_publisher_error, render_publisher_interface, render_publisher_response, set_facebook_session, top_redirect_to, update, wants_interface?, and zero_or_false): How can i do to map that action in another controller? thanks

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  • MongoDB initialization error in Rails

    - by rube_noob
    I have an initialization script to set up my MongoDB connection in the config/initialization directory. It is my understanding that these initializers run after all of the plugins are initialized. The problem I am having is that when a particular plugin I am using is initialized, it tries to access the mongodb before I have set it up. I get this error: uninitialized class variable @@database_name in MongoMapper My question is: Where can I initialize Mongodb that will run after the mongodb gem has been loaded and before any of the plugins are initialized?

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  • Using Bundler along with preinstalled gems

    - by Rob Cameron
    So I've got thin installed the old fashioned way: gem install thin I put an app on the server and installed all of its required gems via bundler: bundle install But, when I tried to start the app with thin start, it can't find any of the bundler-installed gems since they're not installed in the default gems directory. My question is: how do I make this work? Do I need to install thin via bundler as well? Will that still set up the thin executable in /usr/bin so I can start it from the command line like normal? Thanks!

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  • Passing parameters to custom RESTful routes in Rails (using :collection)

    - by dwhite
    I am trying to add a custom route to my RESTful routes using the :collection param on map.resources like so: map.resources :products, :collection => { :tagged => :get } The tagged action takes in a :tag parameter. I am able to link to the URL route using: tagged_products_path(:tag => tag.name). My issue with this is that the URL that this generates: /products/tagged?tag=electronic I would like the tag to be in the URL and not the tag, like so: /products/tagged/electronic Of course this can be accomplished by a separate named route, but I'm wondering if I'm missing something and there is a way to do this with the :collection hash. Thanks in advance for your help -Damien

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  • Error when using --static option with macrubyc

    - by Jakub Hampl
    I want to create a binary executable for a relatively simple script that would not require people to install macruby or HotCocoa. The script is here. I've understood that I want to use the --static option for the compiler and I'm using the following command: macrubyc -o postprocessor --static postprocessor.rb I get the following error: ld: library not found for -lLLVMBitWriter collect2: ld returned 1 exit status Error when executing `/usr/bin/g++ -o "postprocessor" -arch x86_64 -L/Library/Frameworks/MacRuby.framework/Versions/0.6/usr/lib -lmacruby-static -L/usr/local/lib -lpthread -lffi -lm -lLLVMBitWriter -lLLVMX86CodeGen -lLLVMX86Info -lLLVMSelectionDAG -lLLVMAsmPrinter -lLLVMJIT -lLLVMExecutionEngine -lLLVMCodeGen -lLLVMScalarOpts -lLLVMTransformUtils -lLLVMipa -lLLVMAnalysis -lLLVMTarget -lLLVMMC -lLLVMCore -lLLVMSupport -lLLVMSystem -lpthread -ldl -lxml2 -lobjc -lauto -licucore -framework Foundation "/var/folders/wU/wUGgoG1JGeKBgwalWLPMAU+++TI/-Tmp-/main-72203.o" "./postprocessor.o"' What should I do to get this running?

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  • Ajax post request, an object that includes an array and other objects, can't be parsed correctly int

    - by Waheedi
    what i want is to get a proper parameter, if you see the parameter been logged you would tell there is something wrong my javasript: first run the runMe function Ajax: function() { var xmlhttp, bComplete = false; try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { try { xmlhttp = new XMLHttpRequest(); } catch (e) { xmlhttp = false; }}} if (!xmlhttp) return null; this.connect = function(sURL, sMethod, sVars, fnDone) { if (!xmlhttp) return false; bComplete = false; sMethod = sMethod.toUpperCase(); try { if (sMethod == "GET") { xmlhttp.open(sMethod, sURL+"?"+sVars, true); sVars = ""; } else { xmlhttp.open(sMethod, sURL); xmlhttp.setRequestHeader("Method", "POST "+sURL+" HTTP/1.1"); xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xmlhttp.setRequestHeader("Content-length", sVars.length); } xmlhttp.onreadystatechange = function(){ if (xmlhttp.readyState == 4 && !bComplete) { bComplete = true; fnDone(xmlhttp); }}; xmlhttp.send(sVars); } catch(z) { return false; } return true; }; return this; }, tOrigin: function(origin){ this.origin = origin; }, tObject: function(origins,url,apik){ this.origins=origins; //this is an array this.url=url; this.apik=apik; this.host= "http://localhost:3000/";//window.location.hostname; } runMe: function(){ var t = new tObject(['this','word','word me please','and me please','word','word','okay','word','go','go'],window.location.href,"helloapik"); // console.log(t); ajax = new Ajax(); ajax.connect("http://localhost:3000/","POST",JSON.stringify(t), callBackFunc) } this is what I'm getting in my rails server log Parameters: {"{\"origins\":"={"{\"origin\":\"this\"},{\"origin\":\"word\"},{\"origin\":\"word me please\"},{\"origin\":\"and me please\"},{\"origin\":\"word\"},{\"origin\":\"word\"},{\"origin\":\"word\"},{\"origin\":\"okay\"},{\"origin\":\"word\"},{\"origin\":\"go\"},{\"origin\":\"go\"}"={",\"url\":\"file:///Users/waheed/Desktop/untitled.html\",\"apik\":\"helloapik\",\"host\":\"http://localhost:3000/\"}"=nil}}}

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  • How do I reject if exists? for non-nested attributes?

    - by GoodGets
    Currently my controller lets a user submit muliple "links" at a time. It collects them into an array, creates them for that user, but catches any errors for the User to go back and fix. How can I ignore the creation of any links that already exist for that user? I know that I can use validates_uniqueness_of with a scope for that user, but I'd rather just ignore their creation completely. Here's my controller: @links = params[:links].values.collect{ |link| current_user.links.create(link) }.reject { |p| p.errors.empty? } Each link has a url, so I thought about checking if that link.url already exists for that user, but wasn't really sure how, or where, to do that. Should I tack this onto my controller somehow? Or should it be a new method in the model, like as in a before_validation Callback? (Note: these "links" are not nested, but they do belong_to :user.) So, I'd like to just be able to ignore the creation of these links if possible. Like if a user submits 5 links, but 2 of them already exist for him, then I'd just like for those 2 to be ignored, while the other 3 are created. How should I go about doing this?

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  • My helper methods in controller

    - by FancyDancy
    My app should render html, to answer when a user clicks ajax-link. My controller: def create_user @user = User.new(params) if @user.save status = 'success' link = link_to_profile(@user) #it's my custom helper in Application_Helper.rb else status = 'error' link = nil end render :json => {:status => status, :link => link} end My helper: def link_to_profile(user) link = link_to(user.login, {:controller => "users", :action => "profile", :id => user.login}, :class => "profile-link") return(image_tag("/images/users/profile.png") + " " + link) end I have tried such methods: ApplicationController.helpers.link_to_profile(@user) # It raises: NoMethodError (undefined method `url_for' for nil:NilClass) and: class Helper include Singleton include ApplicationHelper include ActionView::Helpers::TextHelper include ActionView::Helpers::UrlHelper include ApplicationHelper end def help Helper.instance end help.link_to_profile(@user) # It also raises: NoMethodError (undefined method `url_for' for nil:NilClass) In addition, yes, I KNOW about :helper_method, and it works, but i don't want to overload my ApplicationController with a plenty of that methods

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  • haml - if-else with different identations

    - by egarcia
    Hi everyone, I'm trying to render a calendar with rails and haml. The dates used come from a variable called @dates. It is a Date range that contains the first and last days to be presented on the calendar. The first day is always sunday and the last one is always monday. I'm planning to render a typical calendar, with one column per weekday (sunday is going to be the first day of the week) using an html table. So, I need to put a %tr followed by a %td on sundays, but the rest of the days I just need a %td. I'm having trouble modelling that on haml. This seems to require different levels of identation, and that's something it doesn't like. Here's my failed attempt: %table %tr %th= t('date.day_names')[0] # Sunday %th= t('date.day_names')[1] %th= t('date.day_names')[2] %th= t('date.day_names')[3] %th= t('date.day_names')[4] %th= t('date.day_names')[5] %th= t('date.day_names')[6] # Monday [email protected] do |date| - if(date.wday == 0) # if date is sunday %tr %td=date.to_s - else %td=date.to_s This doesn't work the way I want. The %tds for the non-sunday days appear outside of the %tr: <tr> <td>2010-04-24</td> </tr> <td>2010-04-25</td> <td>2010-04-26</td> <td>2010-04-27</td> <td>2010-04-28</td> <td>2010-04-29</td> <td>2010-04-30</td> I tried adding two more spaces to the else but then haml complained about improper identation. What's the best way to do this? Note: I'm not interested on rendering the calendar using unordered lists. Please don't suggest that.

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  • Rails migration for change column

    - by b_ayan
    We have script/generate migration add_fieldname_to_tablename fieldname:datatype syntax for adding new columns to a model. On the same line, do we have a script/generate for changing the datatype of a column? Or should I write sql directly into my vanilla migration? I want to change a column from datetime to date. Thanks

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  • How to remove duplication from RSpec

    - by Asa
    context "answer is correct" do before(:each) do @answer = stub_model(Answer, :correct => true).as_new_record assigns[:answer] = @answer render "answers/summarize" end it "should display flashcard context properly" do response.should contain("Quiz") end it "should summarize results" do response.should contain("is correct") end end context "answer is incorrect" do before(:each) do @answer = stub_model(Answer, :correct => false).as_new_record assigns[:answer] = @answer render "answers/summarize" end it "should display flashcard context properly" do response.should contain("Quiz") end it "should summarize results" do response.should contain("is incorrect") end end How do I avoid repeating the following block within both of the above contexts? it "should display flashcard context properly" do response.should contain("Quiz") end

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  • Why does font-size only work when I set background-color on a button?

    - by Andrew Latham
    I am in Rails 3.2.6, on Chrome. I have the following code in my html.erb file: <div id="beta"> <%= form_tag({}, {:id => "id_search"}) do %> ID: <%= text_field_tag "beta_id" %> <%= submit_tag "Go" %> <% end %> </div> When I set the font-size to 24pt in my CSS file, the text field changes properly, but the button doesn't change at all. I pulled it up in my Developer Tools, and it was getting the CSS property, but just not changing its font size. Even when I put !important, nothing happened. I couldn't change the font-family either. JSFiddle: http://jsfiddle.net/R5CXg/ Changing other properties worked. When I changed the background-color property, the button suddenly turned square instead of round, and popped into the correct font-size and font-family. Why was this the case and how can I work around it?

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  • Rails reserved words and convention

    - by PatrickLightning
    After having spent a lot of time researching Rails reserved words and implementing, I still have a few questions regarding use. In my example here, I'll consider the reserved word 'time'. Let's say I want to create a class 'Timepiece'. Is it not recommended to use 'timepiece' because the name begins with 'time'? Would it be recommended to use 'time_piece' or to avoid inserting the reserved word at all? My question here is also about use of the exact reserved word within the class like that. Thank you.

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  • How to specify a route member inside a block in Rails?

    - by yuval
    The following code: map.resources :users, :has_many => :items Could be written like this in a block: map.resources :users do |user| user.resources :items end How could I write the following code in a block? map.resources :users, :member => { :start => :post } Also, where could I find documentation on writing routes in blocks? The Routes Documentation does not seem to show it. Thank you!

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  • how to organize javascripts using rails and jquery

    - by VP
    Hi, i'm working in a big and rich rails web application using tons of javascript. I would like to know if anybody has a tip to organize the javascripts. Today i'm generating a new file named controller.js and adding it to my views using content_for. The problem is, some files are becoming big and sometimes, i need a function from one controller in another, so then in the end, i add a products.js to a details controller just to keep DRY. Is that solution good? Any other tip? I think the same pattern can be applied as well to css files?

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