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  • jquery plugin: creation

    - by user1542535
    The output am expecting is an unordered list which am creating with jquery...which takes in put from a json file (which works fine when i dont create it as a plugin). Am very new with the concept of building a plugin. i've tried to create one which doesnt output my unordered list json file structure { "Categories": [ { "cat_id":"1", "name":"Main Menu1", "sub_categories":[ { "cat_id":"10", "name":" Sub Menu11", "sub_level_one_link":"http:\/\/one.com" }, my js file //create plugin jQuery.fn.emrMenu= function (options) { myoptions = jQuery.extend ({ url: "error" }, options); if (myoptions.url=="error") { alert("Error:No data recieved"); return false; } $(this).html (myoptions.url); return this.each (function () { //alert(myoptions.url+this.id); $.getJSON(myoptions.url, function(data) { $.each(data.Categories, function(i, category) { alert("test1"); //get all sub menu items in list indexes var submenudata=''; $.each(category.sub_categories, function(i, sub_categories) { submenudata += "<li><a href='"+sub_categories.sub_level_one_link+"' <span>"+sub_categories.name+"</span></a></li>"; }); var menudata ="<li id='"+category.cat_id+"' class='has-sub '><a href='#'><span>"+category.name+"</span></a><ul>"+submenudata+"</ul></li>"; //stringify unordered list and bind to div var menu="<ul>"+menudata+"</ul>"; // $(menu).appendTo("#"this.id); }); }); //alert (this.id); }); } and am calling the plugin: <script> $(document).ready(function() { $('#menu_n').emrMenu ({ url: "menu_data.json"}); }); </script> I'am pretty confused at this point any help is greatly appreciated cheers!

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  • Encryption is hard: AES encryption to Hex

    - by Rob Cameron
    So, I've got an app at work that encrypts a string using ColdFusion. ColdFusion's bulit-in encryption helpers make it pretty simple: encrypt('string_to_encrypt','key','AES','HEX') What I'm trying to do is use Ruby to create the same encrypted string as this ColdFusion script is creating. Unfortunately encryption is the most confusing computer science subject known to man. I found a couple helper methods that use the openssl library and give you a really simple encryption/decryption method. Here's the resulting string: "\370\354D\020\357A\227\377\261G\333\314\204\361\277\250" Which looks unicode-ish to me. I've tried several libraries to convert this to hex but they all say it contains invalid characters. Trying to unpack it results in this: string = "\370\354D\020\357A\227\377\261G\333\314\204\361\277\250" string.unpack('U') ArgumentError: malformed UTF-8 character from (irb):19:in `unpack' from (irb):19 At the end of the day it's supposed to look like this (the output of the ColdFusion encrypt method): F8E91A689565ED24541D2A0109F201EF Of course that's assuming that all the padding, initialization vectors, salts, cypher types and a million other possible differences all line up. Here's the simple script I'm using to encrypt/decrypt: def aes(m,k,t) (aes = OpenSSL::Cipher::Cipher.new('aes-256-cbc').send(m)).key = Digest::SHA256.digest(k) aes.update(t) << aes.final end def encrypt(key, text) aes(:encrypt, key, text) end def decrypt(key, text) aes(:decrypt, key, text) end Any help? Maybe just a simple option I can pass to OpenSSL::Cipher::Cipher that will tell it to hex-encode the final string?

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  • Building Dynamic Classes in Objective C

    - by kjell_
    I'm a somewhat competent ruby programmer. Yesterday I decided to finally try my hand with Apple's Cocoa frameworks. Help me see things the ObjC way? I'm trying to get my head around objc_allocateClassPair and objc_registerClassPair. My goal is to dynamically generate a few classes and then be able to use them as I would any other class. Does this work in Obj C? Having allocated and registered class A, I get a compile error when calling [[A alloc] init]; (it says 'A' Undeclared). I can only instantiate A using runtime's objc_getClass method. Is there any way to tell the compiler about A and pass it messages like I would NSString? A compiler flag or something? I have 10 or so other classes (B, C, …), all with the same superclass. I want to message them directly in code ([A classMethod], [B classMethod], …) without needing objc_getClass. Am I trying to be too dynamic here or just botching my implementation? It looks something like this… NSString *name = @"test"; Class newClass = objc_allocateClassPair([NSString class], [name UTF8String], 0); objc_registerClassPair(newClass); id a = [[objc_getClass("A") alloc] init]; NSLog(@"new class: %@ superclass: %@", a, [a superclass]); //[[A alloc] init]; blows up.

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  • ActionMailer and Exchange

    - by Jason Nerer
    Hello Community, I successfully send Mails via SMTP using my Rails App and my Postfix Server. Now I need to move to an Exchange: Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 that has POP3 and SMTP support enabled. I use actionmailer 1.2.5 and am not able to successfully login to the server while trying to send a mail. In case I use Mail.app sending and recieving works fine as long as I change the authentication schema to "Password". Checking the server looks like so: READ Nov 18 10:37:00.509 [kCFStreamSocketSecurityLevelNone] -- host:mail.my-mail-server-domain.com -- port:25 -- socket:0x11895cf20 -- thread:0x11b036a10 250-mail.my-mail-server-domain.com Hello [xxx.xxx.xxx.xxx] 250-TURN 250-SIZE 250-ETRN 250-PIPELINING 250-DSN 250-ENHANCEDSTATUSCODES 250-8bitmime 250-BINARYMIME 250-CHUNKING 250-VRFY 250-X-EXPS GSSAPI NTLM LOGIN 250-X-EXPS=LOGIN 250-AUTH GSSAPI NTLM LOGIN 250-AUTH=LOGIN 250-X-LINK2STATE 250-XEXCH50 250 OK WROTE Nov 18 10:37:00.852 [kCFStreamSocketSecurityLevelNone] -- host:mail.my-mail-server-domain.com -- port:25 -- socket:0x11895cf20 -- thread:0x11b036a10 AUTH LOGIN READ Nov 18 10:37:01.848 [kCFStreamSocketSecurityLevelNone] -- host:mail.my-mail-server-domain.com -- port:25 -- socket:0x11895cf20 -- thread:0x11b036a10 235 2.7.0 Authentication successful. So authentication method :login seems to be properly supported. Now when it comes to my configuration for actionmailer it looks like so: ActionMailer::Base.server_settings = { :address => "mail.my-mail-server-domain.com", :port => 25, :domain => "my-mail-server-domain.com", :authentication => :login, :user_name => "myusername", :password => "mypassword" } And I get authentication errors over and over. I also tried to change :user_name => "my-mail-server-domain.com\myusername" :user_name => "my-mail-server-domain.com\\myusername" :user_name => "myusername/my-mail-server-domain.com" :user_name => "[email protected]" but nothing works. Can anyone help me? Regards. Jason

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  • Can AutoIt scripts run as a scheduled task while not logged in?

    - by muddywater
    I am using Ruby/WATIR/AutoIt to automate a task via Task Scheduler which runs fine as long as I am logged in, but as soon as my account is locked (mandated 10 minute screen lock) or I logout the script stops functioning. When I log back in, it is sitting at the part where AutoIt is supposed to handle a file download dialogue by clicking save and then entering the filename and clicking to save again. The follwing is the code that works while I am logged in. Is AutoIt supposed to work when I am not logged in, and is there some other way to accomplish this? Thanks!! because search has not turned up anything (terms are too generic) prompt_message = "Do you want to save this file, or find a program online to open it?" window_title = "File Download" save_dialog = WIN32OLE.new("AutoItX3.Control") sleep 1 save_dialog_obtained = save_dialog.WinWaitActive(window_title,prompt_message, 25) save_dialog.ControlFocus(window_title, prompt_message, "&Save") sleep 1 save_dialog.Send("S") save_dialog.ControlClick(window_title, prompt_message, "&Save") save_dialog.WinSetTitle(window_title, prompt_message, "This is ForTesting" ) saveas_dialog_obtained = save_dialog.WinWait("Save As", "Save&in", 5) sleep 1 path = fileName puts " Edit the file path" save_dialog.ControlSend("Save As", "", "Edit1",path) sleep 4 puts " Save the file" save_dialog.ControlClick("Save As", "Save &in", "&Save") save_fileAlreadyExists = save_dialog.Send("Y")

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  • Use XMPP instead of HTTP

    - by pavel
    Hey guys. My friend and I, we are working on iPhone application. This application uses XMPP protocol to provide chat functionality. Right now we are designing architecture for the application. So my friend is working on iPhone side, and I am ruby on rails guy. My friend suggested, that we wrap every call, that is usually served via HTTP into XMPP. So, user registration, users search, profile editing, photo uploading, everything goes via XMPP. No HTTP at all. My friend wants to use XMPP, because he says, that it's much easier to implement XMPP on client-side rather HTTP. As for me, this is bullshit, but we've got a product owner, who have been working with my friend for a long time and he trusts him. So what I'm trying to do is to convince my friend and product owner that using XMPP for what HTTP can work find — is totally not the best idea. I feel, that if we implement everything on XMPP, we will have a pain in an ass till the end of lives. But how do I prove it? P.S. I'm not against chat over XMPP, I am against users search, photo uploading, rankings, nearby search and various other restful requests. Please, leave response. Any help appreciated. A little update: Yesterday we had a long discussion. And it turns out, it's quiete hard to receive response from both XMPP and HTTP in Objective-C. Because every single object and its data should be stored in Core Data model, while this model can't be securely modified from various places. Say, if you use HTTP transport, you always want to use only HTTP transport to update data in your model. And if you use XMPP, you should always use XMPP. So, you can't use both. That's what my iPhone buddy told me. It sounds weird for me, can anyone explain me that?

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  • Why are my functional tests failing?

    - by Mongus Pong
    I have generated some scaffolding for my rails app. I am running the generated tests and they are failing. for example test "should create area" do assert_difference('Area.count') do post :create, :area => { :name => 'area1' } end assert_redirected_to area_path(assigns(:area)) end This test is failing saying that : 1) Failure: test_should_create_area(AreasControllerTest) [/test/functional/areas_controller_test.rb:16]: "Area.count" didn't change by 1. <3 expected but was <2. There is only one field in the model : name. I am populating this so it cant be because I am failing to populate the only field. I can run the site and create an area with the name 'area1'. So reality is succeeding, but the test is failing. I cant ask why its failing, because Im sure theres not enough information here for anyone here to know why. Im just stuck at knowing what avenues to go down to work out why the test is failing. Even putting puts into the code dont print out... What steps can I take to track this down?

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  • Paperclip and Amazon S3 Issue

    - by Jimmy
    Hey everyone, I have a rails app running on Heroku. I am using paperclip for some simple image uploads for user avatars and some other things, I have S3 set as my backend and everything seems to be working fine except when trying to push to S3 I get the following error: The AWS Access Key Id you provided does not exist in our records. Thinking I mis-pasted my access key and secret key, I tried again, still no luck. Thinking maybe it was just a buggy key I deactivated it and generated a new one. Still no luck. Now for both keys I have used the S3 browser app on OS X and have been able to connect to each and view my current buckets and add/delete buckets. Is there something I should be looking out for? I have my application's S3 and paperclip setup like so development: bucket: (unique name) access_key_id: ENV['S3_KEY'] secret_access_key: ENV['S3_SECRET'] test: bucket: (unique name) access_key_id: ENV['S3_KEY'] secret_access_key: ENV['S3_SECRET'] production: bucket: (unique_name) access_key_id: ENV['S3_KEY'] secret_access_key: ENV['S3_SECRET'] has_attached_file :cover, :styles => { :thumb => "50x50" }, :storage => :s3, :s3_credentials => "#{RAILS_ROOT}/config/s3.yml", :path => ":class/:id/:style/:filename" Note: I just added the (unique name) bits, those aren't actually there--I have also verified bucket names, but I don't even think this is getting that far. I also have my heroku environment vars setup correctly and have them setup on dev

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  • Thinking Sphinx and acts_as_taggable_on plugin

    - by Brian Roisentul
    Hi, I installed Sphinx and Thinking Sphinx for ruby on rails 2.3.2. When I search without conditions search works ok. Now, what I'd like to do is filter by tags, so, as I'm using the acts_as_taggable_on plugin, my Announcement model looks like this: class Announcement < ActiveRecord::Base acts_as_taggable_on :tags,:category define_index do indexes title, :as => :title, :sortable => true indexes description, :as => :description, :sortable => true indexes tags.name, :as => :tags indexes category.name, :as => :category has category(:id), :as => :category_ids has tags(:id), :as => :tag_ids end For some reason, when I run the following command, it will bring just one announcement, that has nothing to do with what I expect. I've got many announcements, so I expected a lot of results instead. Announcement.search params[:announcement][:search].to_s, :with => {:tag_ids => 1}, :page => params[:page], :per_page => 10 I guess something is wrong, and it's not searching correctly. Can anyone give my a clue of what's going on? Thanks, Brian

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  • MySQL use certain columns, based on other columns

    - by Rabbott
    I have this query: SELECT COUNT(articles.id) AS count FROM articles, xml_documents, streams WHERE articles.xml_document_id = xml_documents.id AND xml_documents.stream_id = streams.id AND articles.published_at BETWEEN '2010-01-01' AND '2010-04-01' AND streams.brand_id = 7 Which just uses the default equajoin by specifying three tables in csv format in the FROM clause.. What I need to do is group this by a value found within articles.source (raw xml).. so it could turn into this: SELECT COUNT(articles.id) AS count, ExtractValue(articles.source, "/article/media_type") AS media_type FROM articles, xml_documents, streams WHERE articles.xml_document_id = xml_documents.id AND xml_documents.stream_id = streams.id AND articles.published_at BETWEEN '2010-01-01' AND '2010-04-01' AND streams.brand_id = 7 GROUP BY media_type which works fine, the problem is, I'm using rails, and using STI for the xml_documents table. The articles.source that is provided to the ExtractValue method will be of a couple different formats.. So what I need to be able to do is use "/article/media_type" IF xml_documents.type = 'source one' and use "/article/source" if xml_documents.type = 'source two' This is just because the two document types format their XML differently, but I don't want to have to run multiple queries to retrieve this information.. It would be nice if one could use a ternary operator, but i don't think this is possible.. EDIT At this Point I am looking at making a temp table, or simply using UNION to place multiple result sets together..

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  • Run Sinatra via a Rake Task to Generate Static Files?

    - by viatropos
    I'm not sure I can put this correctly but I'll give it a shot. I want to use Sinatra to generate static html files once I am ready to deploy an application, so the resulting final website would be pure static HTML. During development, however, I want everything to be dynamic so I can use Haml and straight Ruby code to make things fast/dry/clear. I don't want to use Jekyll or some of the other static site generators out there because they don't have as much power as Sinatra. So all I basically need to be able to do is run a rake task such as: rake sinatra:generate_static_files. That would run the render commands for Haml and everything else, and the result would be written to files. My question is, how do I do that with Sinatra in a Rake task? Can I do it in a Rake task? The problem is, I don't know how to include the Sinatra::Application in the rake task... The only other way I could think of doing it is using net/http to access a URL that does all of that, but that seems like overkill. Any ideas how on to solve this?

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  • How to add and remove nested model fields dynamically using Haml and Formtastic

    - by Brightbyte8
    We've all seen the brilliant complex forms railscast where Ryan Bates explains how to dynamically add or remove nested objects within the parent object form using Javascript. Has anyone got any ideas about how these methods need to be modified so as to work with Haml Formtastic? To add some context here's a simplified version of the problem I'm currently facing: # Teacher form (which has nested subject forms) [from my application] - semantic_form_for(@teacher) do |form| - form.inputs do = form.input :first_name = form.input :surname = form.input :city = render 'subject_fields', :form => form = link_to_add_fields "Add Subject", form, :subjects # Individual Subject form partial [from my application] - form.fields_for :subjects do |ff| #subject_field = ff.input :name = ff.input :exam = ff.input :level = ff.hidden_field :_destroy = link_to_remove_fields "Remove Subject", ff # Application Helper (straight from Railscasts) def link_to_remove_fields(name, f) f.hidden_field(:_destroy) + link_to_function(name, "remove_fields(this)") end def link_to_add_fields(name, f, association) new_object = f.object.class.reflect_on_association(association).klass.new fields = f.fields_for(association, new_object, :child_index => "new_#{association}") do |builder| render(association.to_s.singularize + "_fields", :f => builder) end link_to_function(name, h("add_fields(this, \"#{association}\", \"#{escape_javascript(fields)} \")")) end #Application.js (straight from Railscasts) function remove_fields(link) { $(link).previous("input[type=hidden]").value = "1"; $(link).up(".fields").hide(); } function add_fields(link, association, content) { var new_id = new Date().getTime(); var regexp = new RegExp("new_" + association, "g") $(link).up().insert({ before: content.replace(regexp, new_id) }); } The problem with implementation seems to be with the javascript methods - the DOM tree of a Formtastic form differs greatly from a regular rails form. I've seen this question asked online a few times but haven't come across an answer yet - now you know that help will be appreciated by more than just me! Jack

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  • undefined method `build_users' with nested models

    - by Cédric
    I've got into trouble with nested attributes. Here is my Account model : class Account < ActiveRecord::Base has_many :products has_many :blogs has_many :openings has_many :users has_one :logo, :class_name => "AccountPicture" has_one :address, :class_name => "AccountAddress" has_and_belongs_to_many :options accepts_nested_attributes_for :logo, :allow_destroy => true accepts_nested_attributes_for :address, :allow_destroy => true accepts_nested_attributes_for :users, :allow_destroy => true end And here is my User model : class User < ActiveRecord::Base belongs_to :account end As you can see, Account accepts nested attributes for logo, address, and users. While testing, i can use nested attributes for logo and address, but not for user. a = Account.new => #<Account id: nil, hostname: nil, subdomain: nil, name: nil, description: nil, base_line: nil, footer: nil, phone_number: nil, mobile_number: nil, email_address: nil, created_at: nil, updated_at: nil> # building the address works fine >> a.build_address => #<AccountAddress id: nil, account_id: nil, country: nil, state: nil, county: nil, city: nil, suburb: nil, zipcode: nil, street: nil, streetno: nil, longitude: nil, latitude: nil, error_code: nil> # building the users fails >> a.build_users NoMethodError: undefined method `build_users' for #<Account:0x7f6862a5f948> from /usr/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_record/attribute_methods.rb:260:in `method_missing' from (irb):2 Thus, in my views, when i use the nested forms, i got this error back : User(#69850615730460) expected, got Array(#69850664775200) Any help would be appreciated. Thanks.

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  • InvalidAuthenticityToken for JQuery despite setting authenticity token

    - by user117046
    I'm getting an InvalidAuthenticityToken despite adding in corresponding authenticity tokens in the jquery response. Is there an error in the code, or is there another, root problem? I appreciate any comments. Thanks! Using: Rails 2.3.3, Ruby 1.8.6, Webrick, JQuery 1.3.2 layout/networks.html.haml = token_tag = javascript_tag "window.AUTH_TOKEN = '#{form_authenticity_token}';" javascripts/application.js $(document).ready(function() { // All non-GET requests will add the authenticity token // if not already present in the data packet $(document).ajaxSend(function(event, request, settings) { if (typeof(window.AUTH_TOKEN) == "undefined") return; // <acronym title="Internet Explorer 6">IE6</acronym> fix for http://dev.jquery.com/ticket/3155 if (settings.type == 'GET' || settings.type == 'get') return; settings.data = settings.data || ""; settings.data += (settings.data ? "&" : "") + "authenticity_token=" + encodeURIComponent(window.AUTH_TOKEN); }); ajaxLinks(); }); The rendered html has: <input name="authenticity_token" type="hidden" value="ZaXj3ACQl+8JKtaDAUoxtSsqzEagSPyHbS25ai9qWCw=" /> <script type="text/javascript"> //<![CDATA[ window.AUTH_TOKEN = 'ZaXj3ACQl+8JKtaDAUoxtSsqzEagSPyHbS25ai9qWCw='; //]]> </script> and breakpointing through, shows that window.AUTH_TOKEN has been set. Any help to resolve this would be great.

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  • Problem running RoR app in production environment

    - by normalocity
    Have an app that has "listings" - think classified ads - and each listing has a list of tags. The following code fails when I run the app in production mode, but works fine under development mode uninitialized constant ActiveRecord::Acts::Taggable::InstanceMethods::TagList Extracted source (around line #45): 42: 43: <span class="listingIndexTags"> 44: Location: [location] | Tags: 45: <% tag_list = listing.tag_list %> 46: <% if tag_list != nil %> 47: <% for tag in tag_list %> 48: <%= link_to tag.to_s, { :action => "filter_on", The command line I'm using to start my mongrel instance in this test case: ruby script/server mongrel -e development Defaults to port 3000. I can access other views in the app that DON'T call "listing.tag_list". ".tag_list" is provided by "acts_as_taggable_on_steroids", which I'm using in this app. It is installed as a gem. Maybe my environment files are wonky? Here's my development.rb file config.cache_classes = false config.whiny_nils = true config.action_controller.consider_all_requests_local = true config.action_view.debug_rjs = true config.action_controller.perform_caching = false config.action_mailer.raise_delivery_errors = true config.action_mailer.delivery_method = :smtp config.action_mailer.smtp_settings = { ...took these settings out for this post... } And my production.rb file... config.cache_classes = true config.threadsafe! config.action_controller.consider_all_requests_local = false config.action_controller.perform_caching = true config.cache_store = :mem_cache_store config.action_mailer.raise_delivery_errors = false config.action_mailer.delivery_method = :smtp config.action_mailer.smtp_settings = { ...took these settings out for this post... }

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  • Configuring authlogic-oauth with google

    - by Zak
    Howdy everybody, I am trying to learn rails, and I'm working on an app that uses Google for logins and also for calendar data. I'm currently working on configuring authlogic-oauth and having some issues. I've been following the guide for the authlogic-oauth (see link above) plugin, and I'm on steps 4 and 5. First off, I am still learning the language and I'm not sure where the code from step 4 goes in the controllers: @user_session.save do |result| if result flash[:notice] = "Login successful!" redirect_back_or_default account_url else render :action = :new end end Secondly, I'm trying to set up step 5, the actual Google oauth data step: class UserSession < Authlogic::Session::Base def self.oauth_consumer OAuth::Consumer.new("TOKEN", "SECRET", { :site="http://google.com", :authorize_url = "http://google.com/xxx" }) end end I'm not entirely sure where I find the info I need to fill this in. I've been reading hxxp://code.google.com/apis/accounts/docs/OAuth_ref.html (sorry I can only post one hyperlink), but I'm just not sure where I get everything and what the plugin handles for itself. Finally, I'm not quite sure how I retrieve the calendar info, I've just been told I could by someone on IRC. Do I do it through this plugin or do I have to use another one as well? Thanks so much!

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  • Wrapping my head around MongoDB, mongomapper and joins...

    - by cbmeeks
    I'm new to MongoDB and I've used RDBMS for years. Anyway, let's say I have the following collections: Realtors many :bookmarks key :name Houses key :address, String key :bathrooms, Integer Properties key :address, String key :landtype, String Bookmark key :notes I want a Realtor to be able to bookmark a House and/or a Property. Notice that Houses and Properties are stand-alone and have no idea about Realtors or Bookmarks. I want the Bookmark to be sort of like a "join table" in MySQL. The Houses/Properties come from a different source so they can't be modified. I would like to be able to do this in Rails: r = Realtor.first r.bookmarks would give me: House1 House2 PropertyABC PropertyOO1 etc... There will be thousands of Houses and Properties. I realize that this is what RDBMS were made for. But there are several reasons why I am using MongoDB so I would like to make this work. Any suggestions on how to do something like this would be appreciated. Thanks!

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  • nested attributes with polymorphic has_one model

    - by Millisami
    I am using accepts_nested_attributes_for with the has_one polymorphic model in rails 2.3.5 Following are the models and its associations: class Address < ActiveRecord::Base attr_accessible :city, :address1, :address2 belongs_to :addressable, :polymorphic => true validates_presence_of :address1, :address2, :city end class Vendor < ActiveRecord::Base attr_accessible :name, :address_attributes has_one :address, :as => :addressable, :dependent => :destroy accepts_nested_attributes_for :address end This is the view: - form_for @vendor do |f| = f.error_messages %p = f.label :name %br = f.text_field :name - f.fields_for :address_attributes do |address| = render "shared/address_fields", :f => address %p = f.submit "Create" This is the partial shared/address_fields.html.haml %p = f.label :city %br= f.text_field :city %span City/Town name like Dharan, Butwal, Kathmandu, .. %p = f.label :address1 %br= f.text_field :address1 %span City Street name like Lazimpat, New Road, .. %p = f.label :address2 %br= f.text_field :address2 %span Tole, Marg, Chowk name like Pokhrel Tole, Shanti Marg, Pako, .. And this is the controller: class VendorsController < ApplicationController def new @vendor = Vendor.new end def create @vendor = Vendor.new(params[:vendor]) if @vendor.save flash[:notice] = "Vendor created successfully!" redirect_to @vendor else render :action => 'new' end end end The problem is when I fill in all the fileds, the record gets save on both tables as expected. But when I just the name and city or address1 filed, the validation works, error message shown, but the value I put in the city or address1, is not persisted or not displayed inside the address form fields? This is the same case with edit action too. Though the record is saved, the address doesn't show up on the edit form. Only the name of the Client model is shown. Actually, when I look at the log, the address model SQL is not queried even at all.

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  • Thinking sphinx: Problems with polymorphic associations

    - by auralbee
    Hello, I recently switched from ultrasphinx to thinking_sphinx for full-text search. I am trying to figure out how to index fields of polymorphic associations. I found some information but I still have some problems, although it seems to be easy. Here is my setup: class Info < ActiveRecord::Base belongs_to :mappable, :polymorphic => true define_index indexes mappable_type indexes mappable(:name), :as => :mappable_name end class A < ActiveRecord::Base has_many :infos, :as => :mappable end class B < ActiveRecord::Base has_many :infos, :as => :mappable end Amongst others, I want to do a search in the name column of A and B (both classes have this column), so I added the field to my index. When I do rake thinking_sphinx:index I get the following error: Generating Configuration to .../config/development.sphinx.conf rake aborted! undefined method `connection' for Object:Class .../.gem/ruby/1.8/gems/thinking-sphinx-1.3.16/lib/thinking_sphinx/ association.rb:149:in `casted_options' Any idea? Am I missing something? Thanks in advance. Tobi

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  • Using HAML with custom filters

    - by Guard
    Hi everybody. I feel quite excited about HAML and CoffeeScript and am working on tutorial showing how to use them in non-Rails environment. So, haml has easy to use command-line utility haml input.haml output.html. And, what is great, there exist a project (one of many forks: https://github.com/aussiegeek/coffee-haml-filter) aimed at providing custom filter that converts CoffeeScript into JS inside of HAML files. Unfortunately (or am I missing something?) haml doesn't allow specifying custom filters on the command line or with some configuration file. I (not being a Ruby fan or even knowing it enough) managed to solve it (based on some clever suggestion somewhere on SO) with this helper script: haml.rb require 'rubygems' require 'active_support/core_ext/object/blank' require 'haml' require 'haml/filters/coffee' template = ARGV.length > 0 ? File.read(ARGV.shift) : STDIN.read haml_engine = Haml::Engine.new(template) file = ARGV.length > 0 ? File.open(ARGV.shift, 'w') : STDOUT file.write(haml_engine.render) file.close Which is quite straightforward, except of requires in the beginning. Now, the questions are: 1) should I really use it, or is there another way to have on-demand HAML to HTML compilation with custom filters? 2) What about HAML watch mode? It's great and convenient. I can, of course, create a polling script in python that will watch the directory changes and call this .rb script, but it looks like a dirty solution.

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  • Is there a difference between plain text emails, and multipart emails with only plain text?

    - by Brian Armstrong
    I'm using Rails to send emails and I just want to send a plain text email (there is no corresponding HTML part). I've noticed that if I just have one file named email.text.plain.erb it actually generates a multipart email with one part (the plain text part) like this: Content-Type: multipart/alternative; boundary=mimepart_4c04a2d34c4bb_690a4e56b0362 --mimepart_4c04a2d34c4bb_690a4e56b0362 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: Quoted-printable Content-Disposition: inline text of the email here... --mimepart_4c04a2d34c4bb_690a4e56b0362-- But if I take out the text.plain part and name it email.erb ActionMailer generates a regular plain text email without multipart like this: Content-Type: text/plain; charset=utf-8 text of the email here... Both work fine most of the time (so this is kind of nitpicky), but I guess my question is whether the second one is more correct. My goal here is just to make sure deliverability is as high as possible across a wide variety of devices and email clients. I've read that plain text emails can have slightly better deliverability rates than html and was just curious if throwing in this multipart (even if it only contained a plain text part) might throw off some of the dumber email clients. Thanks for your help!

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  • Data Transfer Objects VS Domain/ActiveRecord Entities in the View in RoR

    - by leypascua
    I'm coming from a .NET background, where it is a practice to not bind domain/entity models directly to the view in not-so-basic CRUD-ish applications where the view does not directly project entity fields as-is. I'm wondering what's the practice in RoR, where the default persistence mechanism is ActiveRecord. I would assert that presentation-related info should not be leaked to the entities, not sure though if this is how real RoR heads would do it. If DTOs/model per view is the approach, how will you do it in Rails? Your thoughts? EDIT: Some examples: - A view shows a list of invoices, with the number of unique items in one column. - A list of credit card accounts, where possibly fraudulent transactions were executed. For that, the UI needs to show this row in red. For both scenarios, The lists don't show all of the fields of the entities, just a few to show in the list (like invoice #, transaction date, name of the account, the amount of the transaction) For the invoice example, The invoice entity doesn't have a field "No. of line items" mapped on it. The database has not been denormalized for perf reasons and it will be computed during query time using aggregate functions. For the credit card accounts example, surely the card transaction entity doesn't have a "Show-in-red" or "IsFraudulent" invariant. Yes it may be a business rule, but for this example, that is a presentation concern, so I would like to keep it out of my domain model.

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  • How do I create Document Fragments with Nokogiri?

    - by viatropos
    I have an html document like this: <div class="something"> <textarea name="another"/> <div class="nested"> <label>Nested Label</label> <input name="nested_input"/> </div> </div> I have gone through and modified some of the html tree by building it into a Nokogiri::HTML::Document like so: html = Nokogiri::HTML(IO.read("test.html")) html.children.each do ... Now I want to be able to extract the nested part into a document so I can apply a stylesheet to it, or so I can manipulate it as if it were like a Rails partial. Something like this: fragment = Nokogiri::HTML(html.xpath("//div[@class='nested']).first) Is there a way to do that? Such a way that when I output it, it doesn't wrap it in<html> tags and turn it into an HTML document, I just want HTML, no document. Is this possible?

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  • active_admin/formtastic ignoring polymorphic associations

    - by James Maskell
    I'm currently having trouble with the form for a polymorphic association in active_admin in Ruby on Rails. I have three models set up: offices, companies and users. Both companies and users can own an office. My models are set up as follows: class Office < ActiveRecord::Base belongs_to :ownable, :polymorphic => true end class User < ActiveRecord::Base has_many :offices, :as => :ownable end class Company < ActiveRecord::Base has_many :offices, :as => :ownable end active_admin doesn't allow me to edit the owner on its forms, but does show it correctly on the index and show pages (including links to the company or user). I've tried playing with formtastic to manually create the form but have not had any luck - the "ownable" fields just get ignored and everything else renders properly. To be clear: I want to be able to edit the owner of the Office model on the new and edit fields in active_admin. Can anyone offer any help? :)

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  • Cloud-aware programming and help choosing a good framework

    - by Shoaibi
    How can i write a cloud-aware application? e.g. an application that takes benefit of being deployed on cloud. Is it same as an application that runs or a vps/dedicated server? if not then what are the differences? are there any design changes? What are the procedures that i need to take if i am to migrate an application to cloud-aware? Also i am about to implement a web application idea which would need features like security, performance, caching, and more importantly free. I have been comparing some frameworks and found that django has least RAM/CPU usage and works great in prefork+threaded mode, but i have also read that django based sites stop to respond with huge load of connections. Other frameworks that i have seen/know are Zend, CakePHP, Lithium/Cake3, CodeIgnitor, Symfony, Ruby on Rails.... So i would leave this to your opinion as well, suggest me a good free framework based on my needs. Finally thanks for reading the essay ;)

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