I am trying to create a scope on a model of mine limiting the available results to only those that are owned by the user's partner. When the user is an administrator, however, I want all models to be available. This works, but looks stupid. What is the proper rails3 way of expressing this? scope :accessible_by, proc { |user| if user.a...
Hi, I want to know the difference between design pattern and enterprise design pattern. For example, some books call ActiveRecord an enterprise design pattern, while, singleton is a design pattern. Thanks ...
I am trying building a simple project from scratch using Rails 3. Usually, the models are like: class Student < ActiveRecord::Base has_many :awards end class Award < ActiveRecord::Base belongs_to :student end and we use the award.id and student.id to get the corresponding records. But what if it is class Company < ActiveRecord...
Hi, I'm looking the best way to log some of save method call. It will be save in another database. I need to log model and its attributes, and user model, which should be somehow taken from session. How to make it Rails Way? ...
Hi, I have the next models: create_table :categories do |t| t.integer :category_id t.integer :language_id t.timestamps end create_table :category_localizated_categories, :force => true do |t| t.column :category_id, :integer t.column :localizated_category_id, :integer end class Category < ActiveRecord::Base has_many :catego...
I have two models below. They can be explained as follows: A report has a report_detail (which determines start/end months). Many reports can have the same report detail, but no two report details can be the same. class Report < ActiveRecord::Base # attr: name :: String # attr: report_detail_id :: Integer belongs_to :report_de...
Hello... Currently I'm using Devise & CanCan which allows me to create Users with Roles using a (Roles_Users) table. That's nice, but what I want is to Have Projects in my app and for each project for a user to possibly have a role like (Admin, Viewer, etc) IE, roles are not assigned to users but to users based on what projects the...
I find it surprising that this has not been asked yet, so I am hoping I am doing something fundamentally wrong and help will arrive soon. I have this create_table "foo", :force => true do |t| t.text "bar", :null => false ... end class Foo < AR::Base serialize :bar, Bar end class Bar de...
Hi, I am putting together a small app that has a leaderboard concept in it. Basically, the model is just a player_name and a current_score. what I want to do is get the ranking of a specific player, and given that new scores are coming in all the time, it needs to be dynamic. Obviously I could just do a normal find with an order by cl...
I have 3 models: User, Swatch + Color. A user has many swatches, and a swatch references a color. Users create swatches on their profile page (users/show/id). The color model handles validation through the swatch model with accepts_nested_attributes_for :color and validates_associated :color. My question is, how to show the color-spec...
Using Rails 2.3.2 (not in a good situation to upgrade at the moment) with ruby 1.8.7 (2009-06-12 patchlevel 174) [universal-darwin10.0]. Getting the following error when trying to save when doing validations on the model, if the validations are :on => :update. If I change the validations to :on => :create and create a new record, I don't...
I have a model where an article can have multiple tags (and a tag multiple articles). Article has two subclasses, product and kit. Products have a category, kits have not. How can I get all articles (both kits and products) of a certain tag (I know the tag.id) , with the product's category loaded (avoiding a n+1)? ...
For example, in class Student < ActiveRecord::Base has_many :awards end class Awards < ActiveRecord::Base belongs_to :student end the above should be the correct usage, but what if we use class Student < ActiveRecord::Base has_many :awards end class Awards < ActiveRecord::Base has_one :student end doesn't the above also m...
Hi, I have a table with one columns datatype as BIT(1) . I am using active record of codeigniter for performing queries. But the setting of bit is not working. Does anybody has idea about how to do it? Or I have to get back to normal query? Following is the code snippet: function itemUpdate($options=array()) { if(isset($options['isA...
I have a few places in a model that does stuff like def ServerInfo.starttime(param) find(:all, :conditions => "name ='#{param}_started'", :select => "date").first.date.to_datetime end Now, for reasons not relevant to the question, it can happen that this particular row is not in the database at all and the code above fails wit...
I am trying to setup seed data for my Rails app and am counting on the id of each model being a certain value. How can I tell the table to, after MyModel.destroy_all to start counting from 0 again instead of where it left off? ...
Hi All - I'm having trouble with an activemailer test I created. When I run the test directly with ruby, the test passes. When I run all the unit tests they fail, because the way the message is encoded changed. Running the test from rake test:units breaks the email into multiple mimeparts, that do not exist when running ruby unit/mail...
Is there a gem or plugin, that can generate a Comments with columns names above the class definition in Active Record model? I'm pretty sure that I've seen something like this, but can't find it anywhere: Example: # columns Defs # name:string # user_id:integer # etc. class Post < ActiveRecord::Base end I could as well write something...
Just getting through some of the issue backlog and could use some input on best-practices for what seems like it should be a common scenario. (Rails 2.3.5) Let's say we've got form for creating posts for a blog using mass-assignment. The create action looks something like: def create if @blog.update_attributes(params[:blog]) redi...
Given the following model: class User < AR::B has_many :permissions has_many :projects, :through => :permissions end class Project < AR::B has_many :permissions has_many :users, :through => :permissions end class Role < AR::B has_many :permissions end class Permission < AR::B belongs_to :user belongs_to :proje...