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  • has_many relation doesn't seems right or logical, some thing like belongs_to_many looks right

    - by Vijendra
    My situation is like this. Company has many users and users may belongs to many companies. And current implementation is something like below. class Company has_many :employments has_many :users, :through = :employments end class Employment belongs_to :company belongs_to :user end class User has_many :employments has_many :companies, :through = :employments #This doesn't looks correct end User has many companies doesn't looks logically meaningful.It must be some thing like belongs_to_many companies. Do I need to use has_and_belongs_to_many? But that also will gives the same meaning. Can some one please suggest the right way for representing these relationships?

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  • How do I find the Recaptcha ID?

    - by Joe
    I've been stuck on something for the past day. I'm building a RoR bot, and part of it involves signing up for an email account with mail.com. I've automated all the filling out of the form, apart from the captcha (Recaptcha). I'll be using the deathbycaptcha Ruby gem. However, in order to have the captcha solved, I'll need to get either its ID or its URL. While this shows up when I "enable form details" with the Firefox Web Developer toolbar, it doesn't seem to be in the source. How can I find it out? I'm using Watir. Thanks! Joe

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  • ActiveRecord Validations for Models with has_many, belongs_to associations and STI

    - by keruilin
    I have four models: User Award Badge GameWeek The associations are as follows: User has many awards. Award belongs to user. Badge has many awards. Award belongs to badge. User has many game_weeks. GameWeek belongs to user. GameWeek has many awards. Award belongs to game_week. Thus, user_id, badge_id and game_week_id are foreign keys in awards table. Badge implements an STI model. Let's just say it has the following subclasses: BadgeA and BadgeB. Some rules to note: The game_week_id fk can be nil for BadgeA, but can't be nil for BadgeB. Here are my questions: For BadgeA, how do I write a validation that it can only be awarded one time? That is, the user can't have more than one -- ever. For BadgeB, how do I write a validation that it can only be awarded one time per game week?

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  • double accepts_nested_attributes_for

    - by sfusion
    does anyone know if it is possible to do a double nested form for. so that i could upload images to a set from an article form. e.g. Article has_many :image_sets ImageSet belongs_to :article has_many :images Image belongs_to :image_set

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  • access properties of current model in has_many declaration

    - by seth.vargo
    Hello, I didn't exactly know how to pose this question other than through example... I have a class we will call Foo. Foo :has_many Bar. Foo has a boolean attribute called randomize that determines the order of the the Bars in the :has_many relationship: class CreateFoo < ActiveRecord::Migration def self.up create_table :foos do |t| t.string :name t.boolean :randomize, :default => false end end end   class CreateBar < ActiveRecord::Migration def self.up create_table :bars do |t| t.string :name t.references :foo end end end   class Bar < ActiveRecord::Base belongs_to :foo end   class Foo < ActiveRecord::Base # this is the line that doesn't work has_many :bars, :order => self.randomize ? 'RAND()' : 'id' end How do I access properties of self in the has_many declaration? Things I've tried and failed: creating a method of Foo that returns the correct string creating a lambda function crying Is this possible? UPDATE The problem seems to be that the class in :has_many ISN'T of type Foo: undefined method `randomize' for #<Class:0x1076fbf78> is one of the errors I get. Note that its a general Class, not a Foo object... Why??

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  • How do I do a count on that meet a specific condition, dependent on several has_many relationships i

    - by Angela
    I have a Model Campaign. A Campaign has many Events. Each Event has an attribute :days. A Campaign also has_many Contacts. Each Contact as a :date_entered attribute. The from_today(contact,event) method returns a number, which is the number of days from the contact's :date_entered till today minus the event's :days. In other words, a positive number shows the number of days from today till the :days of the event is elapsed. If it is negative, if means that the number of days that has elapsed since the :date_entered is greater than the :days attribute of an event. In other words, the event is overdue. What I would like to be able to do is do campaign.overdue and this would result in a total number of contacts that have an overdue event. It shouldn't count multiple events for a single contact, just one contact. How do I do that? It seems like I would need to cycle through all the events for every contact and keep a counter but I'm assuming that there is a better way.

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  • How to make ActiveRecord work with legacy partitioned/sharded databases/tables?

    - by Utensil
    thanks for your time first...after all the searching on google, github and here, and got more confused about the big words(partition/shard/fedorate),I figure that I have to describe the specific problem I met and ask around. My company's databases deals with massive users and orders, so we split databases and tables in various ways, some are described below: way database and table name shard by (maybe it's should be called partitioned by?) YZ.X db_YZ.tb_X order serial number last three digits YYYYMMDD. db_YYYYMMDD.tb date YYYYMM.DD db_YYYYMM.tb_ DD date too The basic concept is that databases and tables are seperated acording to a field(not nessissarily the primary key), and there are too many databases and too many tables, so that writing or magically generate one database.yml config for each database and one model for each table isn't possible or at least not the best solution. I looked into drnic's magic solutions, and datafabric, and even the source code of active record, maybe I could use ERB to generate database.yml and do database connection in around filter, and maybe I could use named_scope to dynamically decide the table name for find, but update/create opertions are bounded to "self.class.quoted_table_name" so that I couldn't easily get my problem solved. And even I could generate one model for each table, because its amount is up to 30 most. But this is just not DRY! What I need is a clean solution like the following DSL: class Order < ActiveRecord::Base shard_by :order_serialno do |key| [get_db_config_by(key), #because some or all of the databaes might share the same machine in a regular way or can be configed by a hash of regex, and it can also be a const get_db_name_by(key), get_tb_name_by(key), ] end end Can anybody enlight me? Any help would be greatly appreciated~~~~

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  • Obtaining ActiveRecords if NOT nil

    - by user275729
    I would like to be able to gather all records in a table where the user_id is not null. This is what I have but it doesn't seem to be working (even though I've had it working in a seperate project): named_scope :all_registered, :conditions => ["user_id != ?", nil]

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  • Setting up restful routes as a total newb

    - by Trip
    I'm getting the following error: Unknown action No action responded to show. Actions: activate, destroy, index, org_deals, search, and suspend Controller: class Admin::HomepagesController < Admin::ApplicationController def org_deals @organization = Organization.find(:all) end Routes: admin.resources :organizations, :collection => {:search => :get}, :member => {:suspend => :get, :activate => :get} To note: This is a controller inside of a controller. Any ideas why this is?

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  • Assign weight to a integer column for Sphinx search

    - by Daniel
    Hello: I have a note table with columns: title :string content :text rating :integer and a thinking_sphinx configuration: define_index do indexes :title, :sortable => true indexes :content end Then I can search the notes and assign weights to title and content to define the order or the result: Note.search "abc", :match_mode => :extended, :field_weights => { :title => 10, :content => 3 } Now I want to assign a weight to the rating column The type of the rating column is integer. The range of the rating is [1, 2, 3, 4, 5]. Can I just add weight at the :field_weights :field_weights => { :title => 10, :content => 3, :rating => 5 } or I need to do something else to make the note which has higer rating display first?

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  • add_without_safety create new DB entry in controller

    - by Karl Entwistle
    Im trying to get a controller to create a new account with the user id filled in, this doesn't work in my controller or in the console, why? Any suggestions on how to implement this would be much appreciated. class PaymentNotification < ActiveRecord::Base after_create :add_account_to_market private def add_account_to_market if status == "Completed" line = LineItem.find(:first, :conditions => { :cart_id => cart.id }) line.quantity.times do Account.new(:user_id => cart.user_id) end end end end

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  • Problem with heroku db:pull while at work.

    - by shopfiber
    When I try to pull down a database while at work I get the following error: :>heroku db:pull Auto-detected local database: sqlite://db/development.sqlite3 Bad credentials given for http://heroku:[hidden]@taps.heroku.com Note that when I am at home I am able to run this command just fine. I wanted to know if you have any suggestions for common reasons I would get this error.

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  • How do I get AuthLogic to skip Password validation?

    - by ndp
    I think I'm just missing something obvious. I send a user a perishable token embedded in a link. They click on it, and they come back to the site. I want to log them in automatically (I'm not building a banking app). This seems like this should be simple, but all the examples I've found require a password. How do I skip this completely? I just seem to get UserSession.create to work.

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  • What is the best way to set default values in ActiveRecord?

    - by ryw
    What is the best way to set default value in ActiveRecord? I see a post from Pratik that describes an ugly, complicated chunk of code: http://m.onkey.org/2007/7/24/how-to-set-default-values-in-your-model class Item < ActiveRecord::Base def initialize_with_defaults(attrs = nil, &block) initialize_without_defaults(attrs) do setter = lambda { |key, value| self.send("#{key.to_s}=", value) unless !attrs.nil? && attrs.keys.map(&:to_s).include?(key.to_s) } setter.call('scheduler_type', 'hotseat') yield self if block_given? end end alias_method_chain :initialize, :defaults end YUCK! I have seen the following examples googling around: def initialize super self.status = ACTIVE unless self.status end and def after_initialize return unless new_record? self.status = ACTIVE end I've also seen people put it in their migration, but I'd rather see it defined in the model code. What's the best way to set default value for fields in ActiveRecord model?

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  • Authlogic's current_user object in models

    - by jriff
    Hi all! I need to know the ID of the current user in a model: def after_save desc, points=nil, nil if answer_index == daily_question.correct_answer_index desc = I18n.t('daily_question.point_log.description.correct') points=daily_question.points else desc = I18n.t('daily_question.point_log.description.incorrect') end current_user.give_points(:description => desc, :points => points ) end But I guess that is not how it is done? Regards, Jacob

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  • RSpec setup for an application that depends on an external database from another application.

    - by Chris Rittersdorf
    I've had to add features to an application that depends on a database from another application. I've been able to set up a connection to this external database and pull data from it. However, I'm not sure how to get my main application to create a test database for this external application. It would be awesome if there some way to pull in the schema for this database and create it in the same manner that 'rake db:test:prepare' does. Is there any configuration capabilities for RSpec to do this, or will I have to roll my own task?

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  • Extraction from string - Ruby

    - by Dantes
    I have a string. That string is a html code and it serves as a teaser for the blog posts I am creating. The whole html code (teaser) is stored in a field in the database. My goal: I'd like to make that when a user (facebook like social button) likes certain blog post, right data is displayed on his news feeds. In order to do that I need to extract from the teaser in the first occurrence of an image an image path inside src="i-m-a-g-e--p-a-t-h". I succeeded when a user puts only one image in teaser, but if he accidentally puts two images or more the whole thing craches. Furthermore, for description field I need to extract text inside the first occurrence inside <p> tag. The problem is also that a user can put an image inside the first tag. I would very much appreciate if an expert could help me resolve this what's been bugging me for days. Text string with a regular expression for extracting src can be found here: http://rubular.com/r/gajzivoBSf Thanks!

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  • RMagick Rounded Corners

    - by mikeycgto
    Need a simple a way of rounding off an Image. I need the corners to be transparent. This link shows how to do it via command line: http://www.imagemagick.org/Usage/thumbnails/#rounded What I need is the corresponding RMagick\Ruby code... Thanks!

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  • Passing direct parameters to a Controller#method when testing via RSpec

    - by gmile
    Normally to pass parameters via in RSpec we do: params[:my_key] = my_value get :my_method Where my_method deals with what it received from params. But in my controller I have a method, which takes args directly i.e.: def my_method(*args) ... end How do I call the method with those args from within the test? I've tried get :my_method(args) but Ruby interpreter complains about syntax error.

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  • Sphinx: change column set for searching in runtime

    - by Fedyashev Nikita
    I use Ultrasphinx gem plugin as a wrapper for accessing Sphinx search daemon. My model declaration: class Foo < ActiveRecord::Base is_indexed :fields => ['content', 'private_notes', 'user_id'] Client code: filters = {} if type == "private" # search only in `content` column filters['user_id'] = current_user.id else # search in `content` and `private_notes` columns end results = Ultrasphinx::Search.new(:query => params[:query], :per_page => 20, :page => params[:page] || 1, :filters => filters) The problem I have now with Ultrasphinx gem(or Sphinx, in general?) is that it does not allow me to change set of fields where to look for matches IN RUNTIME How can I solve this problem?

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