Class: CcManager::Account

Inherits:
Object
  • Object
show all
Defined in:
lib/cc_manager/account.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, cc_number, limit) ⇒ Account

Creates new account when Add action is mentioned in the file with required arguments.



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# File 'lib/cc_manager/account.rb', line 20

def initialize(name, cc_number, limit)
  @errors = []
  @valid_account = false
  @name = name
  @balance = "$0"
  valid_amount?(limit) ? @limit = limit : @errors << "Account cannnot be Added - Invalid Amount specified for limit!!!"
  valid_card?(cc_number) ? @cc_number = cc_number : @errors << "#{name}'s account cannot be added - Credit Card is invalid!!!"
  return valid?
end

Instance Attribute Details

#balance ⇒ Object

Balance of the user, initially its vlaue is “$0”.



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# File 'lib/cc_manager/account.rb', line 14

def balance
  @balance
end

#cc_number ⇒ Object

Credit Card number of the user, only stores if the credit card number is valid against Luhn 10 algorithm.



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# File 'lib/cc_manager/account.rb', line 8

def cc_number
  @cc_number
end

#errors ⇒ Object

Contains error messages if any.



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# File 'lib/cc_manager/account.rb', line 17

def errors
  @errors
end

#limit ⇒ Object

Charging limit set while creating new account.



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# File 'lib/cc_manager/account.rb', line 11

def limit
  @limit
end

#name ⇒ Object

Name of the user.



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# File 'lib/cc_manager/account.rb', line 5

def name
  @name
end

Instance Method Details

#charge(charged_amount) ⇒ Object

Charge the user according to the given amount to charge but amount should not exceed the limit.



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# File 'lib/cc_manager/account.rb', line 31

def charge(charged_amount)
  if valid?
    if valid_amount?(charged_amount)
      limit_val = get_amount_in_integer(self.limit)
      charged_amount_val = get_amount_in_integer(charged_amount)
      balance = get_amount_in_integer(self.balance)
      if charged_amount_val+balance <= limit_val
        self.balance = get_amount_in_string(balance + charged_amount_val)
        return true
      else
        return "Cannot Charge - Charged Amount exceeded the limit!!!"
      end
    else
      return "Cannot Charge - Invalid Amount!!!"
    end
  else
    return "Cannot Charge - Invalid Account!!!"
  end
end

#credit(credited_amount) ⇒ Object

Add credit to the user according to the given amount to charge.



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# File 'lib/cc_manager/account.rb', line 52

def credit(credited_amount)
  if valid?
    if valid_amount?(credited_amount)
      balance = get_amount_in_integer(self.balance)
      credited_amount_val = get_amount_in_integer(credited_amount)
      self.balance = get_amount_in_string(balance - credited_amount_val)
      return true
    else
      return "Cannot Add Credit - Invalid Amount!!!"
    end
  else
    return "Cannot Add Credit - Invalid Account!!!"
  end
end

#valid? ⇒ Boolean

Validates whether the created account is valid or not.

Returns:

  • (Boolean) 


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# File 'lib/cc_manager/account.rb', line 68

def valid?
  @errors.empty?
end