Bank Account - Waves 1-3 Complete

BankAccountPractice.rb

@@ -0,0 +1,65 @@
+require 'CSV'
+@accounts_csv = CSV.read("accounts.csv")
+
+module Bank
+
+  class Account
+    def initialize (account_number, initial_balance, owner = "", open_date = "")
+      @account_number = account_number   #wtf??
+      @balance = initial_balance    # Renamed initial balance variable to balance
+      if initial_balance <= 0       # for clarity as the balance will change over time.
+        error_initial_balance       # Cannot have a negative initial balance.
+      end
+      @owner = owner
+      @open_date = open_date
+    end
+
+    def withdraw(amount_to_withdraw)
+      if amount_to_withdraw >= @balance #cannot put the account into negative balance
+        error_withdraw
+      else
+        @balance = @balance - amount_to_withdraw
+      end
+    end
+
+    def deposit(amount_to_deposit)
+      return @balance = @balance + amount_to_deposit
+    end
+
+    def account_balance
+      return @balance
+    end
+
+    def error_initial_balance
+      raise ArgumentError, "Initial balance argument must be greater than 0."
+    end
+
+    def error_withdraw
+      puts "You may not withdraw that amount as you only have $#{@balance} in your account."
+      @balance
+    end
+
+    def account_number(account_number)           #wtf??
+      @account_number = @accounts_csv[0..-1][0]
+      return @account_number
+    end
+  end
+
+#  class Owner(:first_name, :last_name, :phone_number, :email)
+#    def initialize
+#      @accounts = []    #feels wrong
+#      @first_name = :first_name
+#      @last_name = :last_name
+#      @phone_number = :phone_number
+#      @email = :email
+#    end
+#
+#    def show_owner_info
+#      puts "Owner Name:   #{@first_name} #{@last_name}"
+#      puts "Phone Number: #{@phone_number}"
+#      puts "Email Address:#{@email}"
+#      puts "Account Balance: #{@accounts(@balance)}"  #absolutely ridiculous
+#    end
+#  end
+#
+end

bank_accounts.rb

@@ -0,0 +1,162 @@
+module Bank
+  class Account
+    require "CSV"
+
+    def initialize(user_id, initial_balance, open_date)
+      @checks_used = 0
+      @user_id = user_id
+      @open_date = open_date
+      @balance = initial_balance    # Renamed initial balance variable to balance
+      initial_balance_check
+    end
+
+    def initial_balance_check
+      if @balance <= 0       # for clarity as the balance will change over time.
+        raise ArgumentError, "Initial balance argument must be greater than $0."
+      end
+    end
+
+    def withdraw(amount_to_withdraw)
+      if amount_to_withdraw >= @balance #cannot put the account into negative balance
+        puts "You may not withdraw that amount as the account must maintain a positive balance. Your account balance is $#{@balance} Please select a different amount."
+        @balance
+      else
+        @balance = @balance - amount_to_withdraw
+      end
+    end
+
+    def deposit(amount_to_deposit)
+      return @balance = @balance + amount_to_deposit
+    end
+
+    def account_balance
+      return @balance
+    end
+
+    def self.new_account_from_csv
+      require "CSV"
+      all_accounts = CSV.read("./support/accounts.csv", "r")
+
+      all_accounts.each do |individual_array|
+        @user_id    = individual_array[0].to_f
+        @balance    = individual_array[1].to_f    #assigning each item in cvs arrays
+        @open_date  = individual_array[2]
+      end
+    end
+
+    # self.all - returns a collection of Account instances, representing all of the Accounts described in the CSV.
+    def self.all
+      require "CSV"
+      all_accounts = CSV.read("./support/accounts.csv", "r")
+
+      all_accounts.each do |individual_array|
+        @user_id    = individual_array[0].to_f
+        @balance    = individual_array[1].to_f    #assigning each item in cvs arrays
+        @open_date  = individual_array[2]
+        puts "Account Number:   #{@user_id}"
+        puts "Account Balance:  #{@balance}"
+        puts "Open Date:        #{@open_date}"
+      end
+    end
+
+    # self.find(id) - returns an instance of Account where the value of the id field in the CSV matches the passed parameter
+    def self.find(id)
+      require "CSV"
+      all_accounts = CSV.read("./support/accounts.csv", "r")
+
+      all_accounts.each do |individual_array|
+        if individual_array[0].to_f == id.to_f
+          puts "Account Number:   #{individual_array[0]}"
+          puts "Account Balance:  #{individual_array[1]}"
+          puts "Open Date:        #{individual_array[2]}"
+        end
+        end
+    end
+  end # Account class end.
+
+
+
+
+
+  class SavingsAccount < Account
+
+    def initial_balance_check
+      if @balance <= 10
+        raise ArgumentError, "Initial balance argument must be greater than $10."
+      end
+    end
+
+    # Each withdrawal 'transaction' incurs a fee of $2 that is taken out of the balance.
+    def withdraw(amount_to_withdraw)
+#      WITHDRAW_FEE == 2    This returned an error stating uninitialized constant??
+      if @balance - amount_to_withdraw < 10 #cannot go below $10 balance
+        puts "You may not withdraw that amount as the account must maintain a balance above $10. Your current balance is $#{@balance}. Please select a different amount to withdraw."
+        @balance  # Not sure super - WITHDRAW_FEE will work since it would still
+      else        # deduct the withdraw fee even if they get negative balance error
+        @balance = @balance - amount_to_withdraw - 2  #$2 withdrawal fee. Tried using
+      end                                             #a constant but got an error-_-
+    end
+
+    # => add_interest(rate): Calculate the interest on the balance and add the interest to the balance. Return the interest that was calculated and added to the balance (not the updated balance).
+    # =>    - Input rate is assumed to be a percentage (i.e. 0.25).
+    # =>    - The formula for calculating interest is balance * rate/100
+    def add_interest(rate)
+      interest_amount = @balance * rate / 100
+      @balance = @balance + interest_amount
+      return interest_amount
+    end
+
+
+  end #SavingsAccount class end.
+
+
+
+
+
+  class CheckingAccount < Account
+
+    def withdraw(amount_to_withdraw)
+#      WITHDRAW_FEE == 1    This returned an error stating uninitialized constant??
+      if @balance - amount_to_withdraw <= 0 #cannot go below $0 balance
+        puts "You may not withdraw that amount as the account must maintain a balance above $0. Your current balance is $#{@balance}. Please select a different amount to withdraw."
+        @balance  # Not sure super - WITHDRAW_FEE will work since it would still
+      else        # deduct the withdraw fee even if they get negative balance error
+        @balance = @balance - amount_to_withdraw - 1  #$1 withdrawal fee. Tried using
+      end                                             #a constant but got an error-_-
+    end
+
+
+    # => - withdraw_using_check(amount): The input amount gets taken out of the account as a result of a check withdrawal. Returns the updated account balance.
+    # =>    - The user is allowed three free check uses in one month, but any subsequent use adds a $2 transaction fee
+    def withdraw_using_check(amount)
+      if @balance - amount <= -10 #cannot go below -$10 balance for checks
+        puts "You may not withdraw that amount as the account must maintain a balance above -$10. Your current balance is $#{@balance}. Please select a different amount to withdraw."
+        @balance  # Not sure super - WITHDRAW_FEE will work since it would still
+      else        # deduct the withdraw fee even if they get negative balance error
+        @balance = @balance - amount  #$1 withdrawal fee.
+
+        if @checks_used >= 3
+          @balance = @balance - 2
+          @checks_used += 1
+#test     puts @balance
+#test     puts @checks_used
+        else
+          @checks_used += 1
+          @balance
+#test     puts @balance
+#test     puts @checks_used
+        end
+      end
+    end
+
+    #reset_checks: Resets the number of checks used to zero
+    def reset_checks
+#test puts @checks_used
+      @checks_used = 0
+      puts @checks_used
+    end
+
+  end #CheckingAccount class end.
+
+
+end # Module end.