Rinku blogs: 2016

Friday, 23 December 2016

Without devise sign_in sign_up

gem 'bcrypt'

User.rb:

validates :email, presence: true, uniqueness: { case_sensitive: false }
validates :password, presence: true
validates_length_of :password, :minimum => 8
validates_format_of :email, with: /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\z/i,:if => lambda{ |object| object.email.present? }
require 'bcrypt'
# before_create :encrypt_password
before_save :encrypt_password, if: :password_changed? #will_save_change_to_password?

private

def encrypt_password

self.password = BCrypt::Password.create(self.password)

end

def password_changed?

# will_save_change_to_password?

will_save_change_to_attribute?(:password)

end

# for This is after save

# after_save :encrypt_password

# def encrypt_password

# if saved_change_to_password?

# password = BCrypt::Password.create(self.password)

# self.update_column(:password, password)

# end

routes:

resources :users do
resources :comments
collection do
get :sign_in
post :session_create
delete :session_destroy
end

end

User_controller.rb:

def session_destroy
session[:user_id] = nil
redirect_to root_url, :notice => "Logged out"
end

def session_create
require 'bcrypt'
user = User.find_by_email(params[:user][:email])
password = params[:user][:password]
if user.present?
my_password = BCrypt::Password.new(user.password)
if my_password == password #=> true
session[:user_id] = user.id
redirect_to root_url, :notice => "Logged in!"
else
flash.now.alert = "Invalid email or password"
render "new"
end
else
redirect_to :back, :notice => "Email Not found, please enter correct email."

end
end

def sign_in
current_user = User.find_by_id(session[:user_id])
if current_user.present?
flash[:notice]= "you allready login"
redirect_to root_url
else
@user = User.new
end
end

Monday, 19 December 2016

Form sumbit in js through

$('#id ya class').submit();

More and Lass Longer than 250 characters

1. HTML

<html>

<head>

<title>jQuery Read More/Less Toggle Example</title>

</head>

<body>

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

Morbi placerat imperdiet risus quis blandit. Ut lobortis elit luctus, feugiat erat vitae, interdum diam. Nam sit amet arcu vitae justo lacinia ultricies nec eget tellus. Curabitur id sapien massa. In hac <a href="#">habitasse</a> platea dictumst.

</div>

</body>

</html>

2. CSS

.morecontent span {

display: none;

}

.morelink {

display: block;

}

3. JS

$(document).ready(function() {

// Configure/customize these variables.

var showChar = 100; // How many characters are shown by default

var ellipsestext = "...";

var moretext = "Show more >";

var lesstext = "Show less";

$('.more').each(function() {

var content = $(this).html();

if(content.length > showChar) {

var c = content.substr(0, showChar);

var h = content.substr(showChar, content.length - showChar);

var html = c + '' + ellipsestext+ ' ' + h + '  <a href="" class="morelink">' + moretext + '</a>';

$(this).html(html);

}

});

$(".morelink").click(function(){

if($(this).hasClass("less")) {

$(this).removeClass("less");

$(this).html(moretext);

} else {

$(this).addClass("less");

$(this).html(lesstext);

}

$(this).parent().prev().toggle();

$(this).prev().toggle();

return false;

});

Wednesday, 14 December 2016

Send Mails Rails

1. Create the Mailer
rails generate mailer UserMailer

2. create user:- app/mailer/user_mailer.rb

def welcome_email(user)

    @user = user

    @url  = 'http://example.com/login'

    mail(to: @user.email, subject: 'Welcome to My Awesome Site')

end

3. create view:- app/view/user_mailer/welcome_email.html.erb

    <html>

  <head>

    <meta content='text/html; charset=UTF-8' http-equiv='Content-Type' />

  </head>

  <body>

    <h1>Welcome to example.com, <%= @user.name %></h1>

<p>

      You have successfully signed up to example.com,

      your username is: <%= @user.login %>.<br>

    </p>

<p>

      To login to the site, just follow this link: <%= @url %>.

    </p>

    <p>Thanks for joining and have a great day!</p>

  </body>

</html>

4. add_email smtp setting:- config/environments/development

config.action_mailer.perform_deliveries = true
config.action_mailer.raise_delivery_errors = true
config.action_mailer.default_options = {from: 'localhost:3000'}
config.action_mailer.delivery_method = :smtp
config.action_mailer.smtp_settings = {
  address:              'smtp.gmail.com',
  port:                 587,
  domain:               'localhost',
  user_name:            'testing.bittern@gmail.com',
  password:             'zzzzzzzzz',
  authentication:       'plain',
  enable_starttls_auto: true  }

5. send_email:-

   UserMailer.welcome_email(User.first)