how call method from model to controller in rails 3

rubyonrails-talk
1

Hi,

     i want to know how to use method from model to be used in controller like

sale.rb model

def list   # some stuff end

employee controller

def show @stamp = Sale.list end

which shows me following error undefined method `list'

how to over come this problem?

thanks, -pab

2

You are calling list as a class method so you need to define it as a class method

def self.list   # some stuff end

or you need to call it as an instance method

s = Sale.new @stamp = s.list

or even

@stamp = Sale.new.list

3

hi,

  still same error comes    undefined method 'list'

thanks, -pab

4

Show us the current code and the error please.

Also please remember to quote the previous reply so we know what you are replying to.

Colin

5

hi,

in employee controller

def show @stamp=Sale.new.list end

in sale.rb model i am using

def self.list @list=Sale.find(:all) return @list end

its shows following error undefined method 'list'

thanks, -pab

6

Now you have the opposite problem… You are now calling list as an instance method and you have it defined as a class method.

You need to do ONE of the following.

Define it as a class method, and call it as a class method:

def self.list

code

end

@list = Sale.list

Define it as an instance method and call it as an instance method:

def list

code

end

@list = Sale.new.list

However, based on what the list method does, it’s probably best that you do the former and have it be a class method.

7

@Tim thanks for your help, your idea works fine

thanks, -pab

8

Pab wrote in post #1027023:

@Tim thanks for your help, your idea works fine

thanks, -pab

Thanks u all

Regards

Fahim Babar Patel