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  • Rails 3 HABTM Strange Association: Project and Employee in a tree.

    - by Mauricio
    Hi guys I have to adapt an existing model to a new relation. I have this: A Project has many Employees. the Employees of a Project are organized in some kind of hierarchy (nothing fancy, I resolved this adding a parent_id for each employee to build the 'tree') class Employee < AR:Base belongs_to :project belongs_to :parent, :class_name => 'Employee' has_many :childs, :class_name => 'Employee', :foreign_column => 'parent_id' end class Project < AR:Base has_many :employees, end That worked like a charm, now the new requirement is: The Employees can belong to many Projects at the same time, and the hierarchy will be different according to the project. So I though I will need a new table to build the HABTM, and a new class to access the parent_id to build the tree. Something like class ProjectEmployee < AR:Base belongs_to :project belongs_to :employee belongs_to :parent, :class_name => 'Employee' # <--- ?????? end class Project < AR:Base has_many :project_employee has_many :employees, :through => :project_employee end class Employee < AR:Base has_many :project_employee has_many :projects, :through => :project_employee end How can I access the parent and the childs of an employee for a given project? I need to add and remove childs as wish from the employees of a project. Thank you!

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  • Rails3 Redirect for javascript/ajax

    - by Tiago
    Hi, I'm using a form with the remote => true. I have a validation that is working correctly. My problem is when the user enters all the correct information and writes the data at this time I do a redirect to the page of the show. Instead of redirecting, it displays the html of the show in my div. How can I make a javascript redirect that will understand? I did not want to use the window.location. Thanks...

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  • Database schema to store AND, OR relation, association

    - by user455387
    Many thanks for your help on this. In order for an entreprise to get a call for tender it must meet certain requirements. For the first example the enterprise must have a minimal class 4, and have qualification 2 in sector 5. Minimal class is always one number. Qualification can be anything (single, or multiple using AND, OR logical operators) I have created tables in order to map each number to it's given name. Now I need to store requirements in the database. minimal class 4 Sector Qualification 5.2 minimal class 2 Sector Qualifications 3.9 and 3.10 minimal class 3 Sector Qualifications 6.1 or 6.3 minimal class 1 Sector Qualifications (3.1 and 3.2) or 5.6 class Domain < ActiveRecord::Base has_many :domain_classes has_many :domain_sectors has_many :sector_qualifications, :through => :domain_sectors end class DomainClass < ActiveRecord::Base belongs_to :domain end class DomainSector < ActiveRecord::Base belongs_to :domain has_many :sector_qualifications end class SectorQualification < ActiveRecord::Base belongs_to :domain_sector end create_table "domains", :force => true do |t| t.string "name" end create_table "domain_classes", :force => true do |t| t.integer "number" t.integer "domain_id" end create_table "domain_sectors", :force => true do |t| t.string "name" t.integer "number" t.integer "domain_id" end create_table "sector_qualifications", :force => true do |t| t.string "name" t.integer "number" t.integer "domain_sector_id" end

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  • User-customizable rails authorization

    - by neutrino
    Hello everyone, Seems there is an abundance of popular declarative-style authorization plugins, which allow you to somehow state in the code that, e.g., this controller action can be accessed by users with such-and-such roles. But what if I need a more dynamic scheme. I want to have an admin area, with a list of all authorizable actions and an ability to assign permissions on actions from the UI. I have ideas how to implement it from scratch, like to define a model corresponding to a controller and/or action and store the permissions via normal associations. Just wonder if there are any ready solutions to this. Thanks a lot

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  • Rails rabl json format

    - by brabertaser1992
    I'm displaying data from my db in json format using rabl to parse it for android... My json looks like so: [ { "bank":{ "central_office_address":"ololo", "license":"12312312", "location_id":3, "name":"Pbank", "tax_number":"12312312", "year_of_foundation":1987 } }, { "bank":{ "central_office_address":"sdfsdf sdf", "license":"321312", "location_id":3, "name":"Bbank", "tax_number":"321321", "year_of_foundation":1999 } } ] I need my json in a format like: { "contacts": [ { "id": "c200", "name": "Ravi Tamada", "email": "[email protected]", "address": "xx-xx-xxxx,x - street, x - country", "gender" : "male", "phone": { "mobile": "+91 0000000000", "home": "00 000000", "office": "00 000000" } }, { "id": "c201", "name": "Johnny Depp", "email": "[email protected]", "address": "xx-xx-xxxx,x - street, x - country", "gender" : "male", "phone": { "mobile": "+91 0000000000", "home": "00 000000", "office": "00 000000" } } ] } Such data is normally parsed in java.... My rabl view: object @banks attributes :central_office_address, :license, :location_id, :name, :tax_number, :year_of_foundation How do I change its output to match the second example?

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  • Rails + Passenger CSS problem

    - by Dan
    I'm trying to deploy my first Rails app. At first, I was getting the following error: ActionView::TemplateError (Permission denied) I set the permissions of the stylesheets folder to 777 (just for now until I work out what's going wrong) and the application started to work. However, it is not picking up any of the stylesheets (everything is displayed in plain text). If I view the source code and click the CSS links, I just get a blank page. Javascripts however, seem to be working just fine. VHost Config: <VirtualHost *:80> ServerName xxxx.xxx.com DocumentRoot /home/myapp/public <Directory /home/myapp/public> Allow from All AllowOverride all Options -MultiViews </Directory> </VirtualHost> Can anyone help? Any advice appreciated. Thanks.

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  • Session management in Rails (2.3)

    - by JussiR
    Apparently, after upgrading to Rails 2.3 my session storage has stopped working. I used to have this: session :session_expires = 3.years.from_now in my application_controller.rb, but now every time i close the browser (chrome) the session expires. I read from somewhere that session_expires would have changed to expire_after, but session :expire_after = 3.years.from_now didn't do any good eihter.

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  • How do you submit a rails 3 form without refreshing the page?

    - by Anthony H
    I've seen this done using ajax & php, but not rails 3. I've tried using: <%= form_for(:technician, :url => {:controller => 'pos', :action => 'create_ticket'}, :remote => true) do |f| %> but the page still refreshes each time. I'm building a point of sale program, so I don't want the page to refresh. How do I send the form data to the controller to process and store in the database without refreshing?

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  • rails 3 how to automatically post user_id in column of comments

    - by user568502
    hi, im totally new to rails. here my question: i made an app with articles and comments and use devise for authentication sadly im only able to post 1 hyperlink so this is the middle part of my post with the files at gist: https://gist.github.com/771366 the article_id is pre selected in the comments/_form - but the user_id isnt. i googled a lot, tried value = session[:user_id] and others, but nothing worked would be great if someone could tell me how it works ^^ thx

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  • using helper methods in a view in rails 3

    - by Frida777
    Hello everyone, there is something that is disturbing me a bit about rails 3. i am trying to upgrade my application from rails 2 to rails 3. i followed all the steps necessary to do and things were working well for me till now except one thing: i have a helper method that is defined differently in different helpers, for example it is defined in the application_helper in one way and the same method defined in a different way in the homepage_helper, and defined differently in another helper, let's say video_helper, in addition to that, it is used in a shared view that is used throughout the application, now if i am in the homepage, i want this function to get called from the homepage_helper and if i am in the video page, the function must be called from the video_helper, based on the concept of convention in rails, this worked perfectly in rails 2 but in rails 3, the function is always called from the last helper, alphabetically ordered, that is in the example, video_helper. How can i fix this? Kindly advice. Appreciate all the help.

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  • rake tast can't access rails.cache

    - by mark
    Hi I want to call a rake task from a cron job that stores remote weather data in the rails cache. However, I must be doing something pretty wrong here because I cannot find any solution through countless fruitless searches. Say I define and call this task namespace :weather do desc "Store weather from remote source to cache" task :cache do Rails.cache.write('weather_data', Date.today) end end I get the error Anonymous modules have no name to be referenced by Which leads me to believe the rails cache isn't available. Outputting Rails.class from the rake file gives me Module but Rails.cache.class again returns the above error. Do I need to include something here? Am I just hopeless at internet? :) Thanks in advance.

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  • Open source equivelants to VS / web reference proxy classes?

    - by seraphym
    As an ASP.NET developer, I'm used to working with how VS/C# transparently autogens proxy classes for web references (yes, I know, we're spoiled), but now that I'm creating documentation for more than one coding platform I'm trying to discover what the equivelant to that is in any other framework. So is there a similar way to work transparently with web reference proxy classes for say, RoR, PHP, and Python? And if there's nothing integrated, are there tools you recommend to autogen the proxy classes, or do you recommend to roll custom classes?

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  • Get SEO friendly URLS with Rails without method_missing?

    - by tesmar
    Hi all, Currently we are using method_missing to catch for calls to SEO friendly actions in our controllers rather than creating actions for every conceivable value for a variable. What we want are URLS like this: /students/BobSmith and NOT /students/show/342 IS there a cleaner solution than method_missing? Thank you!

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  • How do I add values in an array when there is a null entry?

    - by Angela
    I want to create a real time-series array. Currently, I am using the statistics gem to pull out values for each 'day': define_statistic :sent_count, :count => :all, :group => 'DATE(date_sent)', :filter_on => {:email_id => 'email_id > = ?'}, :order => 'DATE(date_sent) ASC' What this does is create an array where there are values for a date, for example [["12-20-2010",1], ["12-24-2010",3]] But I need it to fill in the null values, so it looks more like: [["12-20-2010",1], ["12-21-2010",0], ["12-22-2010",0], ["12-23-2010",0], ["12-24-2010",3]] Notice how the second example has "0" values for the days that were missing from the first array.

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  • Using Cucumber or RSpec+Selenium to create end user documentation?

    - by carolclarinet
    Has anyone tried creating end user (potentially online, potentially to be printed) help/documentation out of your cucumber scenarios? Or taken screenshots for use in documentation using RSpec and Selenium RC's ability to do so? For Cucumber, I'm imagining something like: Scenario: If you want to add a link Given I am on the edit blog post page When I press the "add link" button And I type in a link URL "http://stackoverflow.com" And I click "OK" Then the blog post should have 1 link Translating to the documentation: If you want to add a link, go to the edit blog post page. Press the "add link" button and type a URL, like "http://stackoverflow.com", into the link URL field. Click "OK". Would it be worth my time to try and, for one, write something to parse my Cucumber features into documentation, and two, to write/structure my Cucumber features in such a way as to create good documentation? Would the resulting documentation end up sounding really boring without much variation in the structure? Is there anything else out there like this idea? Doxygen looks like it's more for code documentation than end-user documentation. What about automatically taking screenshots? This seems like a more fruitful path-- just reuse the code that takes a screenshot when an RSpec test fails and have it take one in prescribed situations. Is there a better way to do this?

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  • Searching in Rails 3

    - by cbarton
    Here is the situation: I have the need to search for specifics or generals, much like expedia.com or your local library catalog search. In that there are fields that may or may not be filled out based on the individual need. It acts much like an "advanced search page". I have all of that code done for the models/controller and such and have it setup with a Searches controller along with matching model and views. The question that I have is there a way to cut down the amount of parameters posted to GET so that the url isn't search?search[:a]=""+search[:b]=""+search[:c]="x"... plus the unicode checkmark. I only want the filled out fields to be shown in the response link especially minus the checkmark. cbarton

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  • How can I add two models in one form, where one model is a has_many :through?

    - by Angela
    How do I model having multiple Addresses for a Company and assign a single Address to a Contact? Contacts belong_to a Company. A Company has_many Contacts. A Company also has_many Addresses. And each Contact has_one Address. I want to be able, whenever I create a New Contact, to access all the addresses in all Contacts that belong to the Company. Here is are my Models: class Company < ActiveRecord::Base attr_accessible :name, :phone, :addresses has_many :contacts has_many :addresses, :through => :contacts end class Contact < ActiveRecord::Base attr_accessible :first_name, :last_name, :title, :phone, :fax, :email, :company, :date_entered, :campaign_id, :company_name, :address belongs_to :company has_one :address accepts_nested_attributes_for :address end class Address < ActiveRecord::Base attr_accessible :street1 has_many :contacts end How do I create the View in the _form for Contacts so that I can 1) Add an Address when creating a Contact; 2) Display the options of the Address. Here is how I am doing step 1, which is just to add a new address for a new contact: <% f.fields_for :addresses do |builder| %> <p> <%= builder.label :street1, "Street 1" %> </br> <%= builder.text_field :street1 %> <p> Right now, what I have doesn't work. The console says I cannot mass-assign addresses when I hit "submit" on this New contact form.

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  • Rails Plugin for Multiple Ratings Per Model?

    - by Kevin
    I'm looking to add the capability of rating a model I have under several different categories like "Knowledgeable" "Organized", etc. Is there a plugin that will allow me to do this, and maybe even have a cool x/5 stars graphical representation as well?

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  • How/When/Where to Extend Gem Classes (via class_eval and Modules) in Rails 3?

    - by viatropos
    What is the recommended way to extend class behavior, via class_eval and modules (not by inheritance) if I want to extend a class buried in a Gem from a Rails 3 app? An example is this: I want to add the ability to create permalinks for tags and categories (through the ActsAsTaggableOn and ActsAsCategory gems). They have defined Tag and Category models. I want to basically do this: Category.class_eval do has_friendly_id :title end Tag.class_eval do has_friendly_id :title end Even if there are other ways of adding this functionality that might be specific to the gem, what is the recommended way to add behavior to classes in a Rails 3 application like this? I have a few other gems I've created that I want to do this to, such as a Configuration model and an Asset model. I would like to be able to add create an app/models/configuration.rb model class to my app, and it would act as if I just did class_eval. Anyways, how is this supposed to work? I can't find anything that covers this from any of the current Rails 3 blogs/docs/gists.

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  • How to create picture slideshows in a rails project? Flash or otherwise

    - by Janak
    In a rails project how would I create a picture slideshow? It could be generated as flash or use prototype or something else. I just want a series of images (as a sub-part of a web page, not be the whole page) to fade into each other, and to advance manually if clicked. It would be nice if I could do things like slowly zoom into the images I imagine there must be a plugin or something to handle this?

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  • Jquery select add values from json

    - by brabertaser1992
    I have such json: [ { "MOD_AXL": 0, "MOD_CDS_ID": 110000168, "MOD_CV": 0, "MOD_CV_CTM": null, "MOD_ID": 168, "MOD_MFA_ID": 514, "MOD_PC": 1, "MOD_PCON_END": 199007, "MOD_PCON_START": 196303, "MOD_PC_CTM": null, "Name": "2 CV"}, { "MOD_AXL": 0, "MOD_CDS_ID": 110004500, "MOD_CV": 0, "MOD_CV_CTM": null, "MOD_ID": 4500, "MOD_MFA_ID": 514, "MOD_PC": 1, "MOD_PCON_END": 198810, "MOD_PCON_START": 197808, "MOD_PC_CTM": null, "Name": "ACADIANE"}, { "MOD_AXL": 0, "MOD_CDS_ID": 110001660, "MOD_CV": 0, "MOD_CV_CTM": null, "MOD_ID": 1660, "MOD_MFA_ID": 514, "MOD_PC": 1, "MOD_PCON_END": 197712, "MOD_PCON_START": 196301, "MOD_PC_CTM": null, "Name": "AMI"} // etc..etc.. ]? But how to set as select value MOD_ID, and as text of select option: Name? I have this data in text: $(".man-select").change(function(){ var mfa_id = $(".man-select").val(); console.log(mfa_id); $.ajax({ url: "/get_models_for_mfa/mfa_id="+mfa_id+".json", type: "GET", data: {}, success: function(text) //here is object { console.log("getted"); $('.mod-select') .append($("<option></option>") .attr("value",text) .text(text)); }, error: function(){ //alert('?????? javascript'); }, dataType : "html" }); });

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  • How does Facebook codes their Cropping tool?

    - by Trip
    I ask this because I am currently trying to work out my own technique, and there are huge strategic hangups for the entire site when your begin this. Of them are: Using jCrop and rMagick, it takes up a huge amount of processing ( to which I have backgrounded ). Because I have it backgrounded, I must by ajax develop a feature that auto-updates every five seconds to check when the backgrounding is done. Has anyone accomplished this with their sites? If so, what are some creative techniques you came across to keep the processing streamline, and the users happy?

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  • pass parameter from controller to models condition

    - by Alex
    I'm trying to bind a param to a join via a named scope., but I'm getting an error. What is the correct way to do that? has_one :has_voted, :class_name => 'Vote', :conditions => ['ip = :userIp'] # named scopes scope :with_vote, lambda {|ip| { :include => [:has_voted], # like this ?? :conditions => [:has_voted => {:conditions => {:userIp => ip}} ] }} Idea.with_vote(request.ip).all I believe I need the condition definition in the model for it to appear in the ON clause of a JOIN, rather then in the WHERE one. Edit I'm trying to get the following query select Ideas.*, Votes.* from Ideas left outer join Votes on Votes.Idea_id = Idea.id AND Votes.ip = {request.ip}

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