Why email integration is essential in Ruby on Rails - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to send an email using Action Mailer in Rails.

Ruby on Rails

UserMailer.[1](user).deliver_now

Drag options to blanks, or click blank then click option'

Anotify_user

Bsend_email

Cemail_user

Dwelcome_email

Attempts:

3 left

💡 Hint

Common Mistakes

Using undefined method names like send_email or notify_user.

The method welcome_email is the standard naming for sending a welcome email in Rails mailers.

2fill in blank

medium

Complete the code to define the email subject in a mailer method.

Ruby on Rails

mail(to: user.email, subject: [1])

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A'Hello User'

BHello User

C"Hello User"

D:hello_user

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting quotes causes syntax errors.

Using symbols instead of strings for subject.

The subject must be a string, so it needs quotes like 'Hello User'.

3fill in blank

hard

Fix the error in the mailer method to properly set the recipient email.

Ruby on Rails

mail(to: [1].email, subject: 'Welcome!')

Drag options to blanks, or click blank then click option'

Aemail_user

Buser

Cuser_email

Drecipient

Attempts:

3 left

💡 Hint

Common Mistakes

Using undefined variables like user_email or email_user.

The variable user holds the user object with the email attribute.

4fill in blank

hard

Fill both blanks to create a mailer method that sends a password reset email.

Ruby on Rails

def [1](user)
  @user = user
  mail(to: @user.email, subject: [2])
end

Drag options to blanks, or click blank then click option'

Apassword_reset

B'Reset Your Password'

Csend_reset

D'Password Reset Instructions'

Attempts:

3 left

💡 Hint

Common Mistakes

Using method names that don't match email purpose.

Subjects without quotes or unclear text.

The method name password_reset is conventional, and the subject should be a string describing the email.

5fill in blank

hard

Fill all three blanks to create a mailer method that sends a notification with a dynamic subject.

Ruby on Rails

def [1](user, notification)
  @user = user
  @notification = notification
  mail(to: @user.email, subject: [2] + ' - ' + [3])
end

Drag options to blanks, or click blank then click option'

Anotify_user

B'Notification'

[e-mail]

Dsend_notification

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect method names.

Not combining strings and variables properly in subject.

The method notify_user sends notifications. The subject combines a static string and the notification's title.