Anna Bank Accounts Project

accounts.rb

@@ -0,0 +1,135 @@
+require 'csv'
+
+module Bank
+
+  class Account
+    attr_accessor :id, :balance, :opendate, :transaction_fee, :balance_min,
+                  :withdrawl_bal_min
+
+    def initialize(id, balance, opendate)
+
+      @id = id
+      @balance = balance
+      @opendate = opendate
+      @transaction_fee = 0
+      @balance_min = 0
+      @withdrawl_bal_min = 0
+
+      unless @balance.is_a?(Integer) && @balance >= @balance_min
+        raise ArgumentError.new("New accounts must begin with a balance of $#{@balance_min} or more.")
+      end
+
+    end
+
+    def self.all
+      all_accts = CSV.read("./support/accounts.csv")
+        all_accts.each do |n|
+          n=0
+          id = all_accts[n][0].to_i
+          bal = all_accts[n][1].to_i
+          date = all_accts[2]
+          Bank::Account.new(id, bal, date)
+        end
+    end
+
+    def self.find(id_num)
+      id_num=id_num.to_s
+
+      all_accts = CSV.read("./support/accounts.csv")
+
+      all_accts.length.times do |n|
+        if all_accts[n].include?"#{id_num}"
+          id = all_accts[n][0].to_i
+          bal = all_accts[n][1].to_i
+          date = all_accts[n][2]
+          return Bank::Account.new(id, bal, date)
+        else
+          return nil
+        end
+      end
+    end
+
+    def withdraw(amount)
+      @amount = amount + @transaction_fee
+
+      if @balance - @amount < @withdrawl_bal_min
+        puts "Withdrawal Failure. Insufficient Funds. Your current balance is $#{@balance}."
+        return @balance
+      elsif @balance - @amount >= @withdrawl_bal_min
+      @balance = @balance - @amount
+        puts "Withdrawal processed. Your current balance is: $#{@balance}."
+        return @balance
+      end
+    end
+
+    def deposit(amount)
+      @amount = amount
+      @balance = @balance + @amount
+      return "Deposit processed. Your current balance is $#{@balance}."
+    end
+
+    def check_balance
+      return "Your current balance is $#{@balance}."
+    end
+  end
+
+  class SavingsAccount < Account
+
+    def initialize(id, balance, opendate)
+      super
+      @transaction_fee = 2
+      @balance_min = 10
+      @withdrawl_bal_min = 10
+
+      unless @balance.is_a?(Integer) && @balance >= @balance_min
+        raise ArgumentError.new("New accounts must begin with a balance of $#{@balance_min} or more.")
+      end
+
+    end
+
+    def add_interest(rate)
+      interest = @balance * rate/100
+      @balance = @balance + interest
+      puts "$#{interest} in interest added."
+      return interest
+    end
+
+  end
+
+  class CheckingAccount < Account
+    def initialize(id, balance, opendate)
+      super
+      @transaction_fee = 1
+      @balance_min = 0
+      @withdrawl_bal_min = 0
+      @checknum = 3
+      @check_bal_min = -10
+      @no_checks_fee = 2
+
+      unless @balance.is_a?(Integer) && @balance >= @balance_min
+        raise ArgumentError.new("New accounts must begin with a balance of $#{@balance_min} or more.")
+      end
+    end
+
+    def withdraw_using_check(amount)
+      if @balance - amount >= @check_bal_min && @checknum > 0
+        @balance = @balance - amount
+        @checknum = @checknum - 1
+        return "Check Withdrawl Processed. Your current balance is $#{@balance}."
+      elsif @balance - amount >= @check_bal_min && @checknum <= 0
+        @balance = @balance - (amount + @no_checks_fee)
+        @checknum = @checknum - 1
+        return "Check Withdrawl Processed. No-Checks Fee Incured." +
+                " Your current balance is $#{@balance}."
+      else
+        return "Check Withdrawal Failure. Insufficient Funds. Your current balance is $#{@balance}."
+      end
+    end
+
+    def reset_checks
+      return @checknum = 3
+    end
+
+  end
+
+end