Newb Newb wrote:
> Hi..
> i have a auto complete field for my authority_id field.authority_id
> field is not mandatory.if the user not fills it will take the default
> authority id as value.
> but i want to validate if the user enters invalid authority name into
> the auto complete text box...
> i can do this in my controller...
> but how can i implementd as modal validation.
> pls help on this
> below is my controller side implementation
> #if autority text box is empty?
> if params[:user_info][:login].empty?
> @user = UserInfo.find_by_login('admin')
> @company.authority_id = @user.id
> else
> authority = UserInfo.find_by_login(params[:user_info][:login])
> if authority.nil?
> flash[ :error ] = "*Please Enter valid Authority name"
> else
> @company.authority_id = authority.id
> end
> end
Hi newb!
There's a validation called validates_associated which checks if an
assosciated object is also valid.
So in company, you could add
validates_associated :authority :unless => lambda { |comp|
comp.authority_id.nil? }
This will check if the associated authority is a valid one provided the
company's authority_id is not nil
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