Untitled

Changing Data from an other model
Clients his has follow
id
name
email
password

Interest
id
description

manager
customer_id
interest_id
created_at

The relationship his has follow
class Client < ActiveRecord::Base
  has_many :music_interest_managers
  has_many :music_interests, through => :music_interest_managers
end
class MusicInterest < ActiveRecord::Base
  has_many :music_interest_managers
  has_many :clients, through => :music_interest_managers
end
class MusicInterestManager < ActiveRecord::Base
  belongs_to :music_interests
  belongs_to :client
end

@client = Client.find(params[:id])
@manager = @client.manager.build(params[:manager])
@interest = @interest.manager.build(params[:interest])

def update
    @client = Client.find(params[:id])
    @interest = @client.music_interests.build(params[:interest])

    if @client.update_attributes(params[:client])
        flash[:success] = "Profile updated"
        #sign_in @client
        redirect_to @client
    else
        render 'edit'
    end
end

@client = Client.find(params[:id])
@interest = @client.music_interests.build(params[:interest])