For suggestions on Ruby on Rails view writing, rubyrails

For suggestions on Ruby on Rails view writing, rubyrails

Do not directly call the model layer from the view.
Do not construct complex formats in the view and output them to a method or model of the view helper.
Use the partial template and layout to reduce repeated code.

Add client side validation to the usual validators. The steps are as follows:

Declare a custom validator from ClientSideValidations: Middleware: Base

 module ClientSideValidations::Middleware   class Email < Base   def response    if request.params[:email] =~ /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i    self.status = 200    else    self.status = 404    end    super   end   end  end

Create a new public/javascripts/rails. validations. custom. js. coffee file and add a reference in your application. js. coffee file:

    # app/assets/javascripts/application.js.coffee  #= require rails.validations.custom

Add your client validator:

  #public/javascripts/rails.validations.custom.js.coffee  clientSideValidations.validators.remote['email'] = (element, options) ->   if $.ajax({   url: '/validators/email.json',   data: { email: element.val() },   async: false   }).status == 404   return options.message || 'invalid e-mail format'