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Ruby

Posted by Rodrigo Muñoz
Rodrigo Muñoz
Courses Plus Student 20,171 Points

Build a Simple Ruby on Rails Application > Defining Method problems

Hi, I have this problem with the methods. I've realise just after installing "devise" that the example on the video have more code than the one I load with the rails commands. The first problem is about the database > schema file in which old version has this code:

ActiveRecord::Schema.define(:version => 20120724212023) do
create_table "statuses", :force => true do |t|
t.text     "content"
t.datetime "created_at", :null => false
t.datetime "updated_at", :null => false
t.integer  "user_id"
end

add_index "statuses", ["user_id"], :name => "index_statuses_on_user_id"

create_table "users", :force => true do |t|
t.string   "first_name"
t.string   "last_name"´

After I follow the instructions I obtained this code:

ActiveRecord::Schema.define(:version => 20130123202617) do

create_table "statuses", :force => true do |t|
t.string   "name"
t.text     "content"
t.datetime "created_at", :null => false
t.datetime "updated_at", :null => false

end

create_table "users", :force => true do |t|
t.string   "first_name"
t.string   "last_name"

So if I keep following the instructions appears this annoying error message "undefined method user_id for #<Status:0x4be0b08>"

I thought it was because of the diference in the database. Well the other problem I got is another syntax problem: undefined method 'full_name' for nil:NilClass.

I actually define this function in the user.rb file as:

class User < ActiveRecord::Base
# Include default devise modules. Others available are:
# :token_authenticatable, :confirmable,
# :lockable, :timeoutable and :omniauthable
devise :database_authenticatable, :registerable,
     :recoverable, :rememberable, :trackable, :validatable

#Setup accessible (or protected) attributes for your model
attr_accessible :email, :password, :password_confirmation, :remember_me,
              :first_name, :last_name, :profile_name

has_many :statuses

def full_name
    first_name + "" + last_name
end
end

Could anyone help me with this two problems? I have no idea how to keep going with this

1 Answer