Queues - Hyunji Kim - Bank Accounts

lib/account.rb

@@ -0,0 +1,114 @@
+require 'csv'
+require 'ap'
+module Bank
+  class Account
+
+    attr_reader :id, :balance, :open_date
+    def initialize(id, balance, open_date ="")
+      raise ArgumentError.new("balance must be >= 0") if balance < 0
+      @id = id
+      @balance = balance
+      @open_date = open_date
+
+    end
+
+    @@account_all = []
+
+    @@csv = []
+    CSV.read("./support/accounts.csv").each do |account|
+      @@csv << {id: account[0].to_i, balance: account[1].to_i, open_date: account[2]}
+    end
+
+
+    def self.csv
+      return @@csv
+    end
+
+    @@csv.each do |account|
+      @@account_all << self.new(account[:id].to_i, account[:balance].to_i, account[:open_date])
+    end
+
+    def self.all
+      return @@account_all
+    end
+
+
+    def self.find(entered_id)
+      @@account_all.each do |account|
+        if account.id == entered_id
+          return account
+        end
+      end
+        raise ArgumentError.new "Entered ID doesn't exist"
+    end
+
+
+    def withdraw(amount)
+      if amount < 0
+        raise ArgumentError.new "Negative amount entered for withdrawal"
+      else
+        new_balance = @balance - amount
+        if new_balance < 0
+          puts "Withdrawal amount greater than the current balance"
+          @balance = @balance
+        else
+        @balance = new_balance
+        end
+      end
+    end
+
+    def deposit(amount)
+      if amount < 0
+        raise ArgumentError.new "Minus amount deposited"
+      else
+        new_balance = @balance + amount
+        @balance = new_balance
+      end
+
+    end
+
+  end
+
+#     class Owner
+#       attr_reader :last_name, :first_name, :address
+#       def initialize(last_name, first_name, address)
+#         @last_name = last_name
+#         @first_name = first_name
+#         @address = address
+#       end
+#
+#       @@owner = []
+#       @@csv = []
+#       # CSV.read("../support/accounts.csv").each do |account|
+#       #   @@csv << {id: account[0].to_i, balance: account[1].to_i, open_date: account[2]}
+#       # end
+#       CSV.read("../support/owners.csv").each do |owner|
+#         @@owner << {last_name: owner[1], first_name: owner[2], address: owner[3]}
+#       end
+# # ap @@owner[0].last_name
+# # puts Bank::Account.csv
+# # puts @@owner
+#
+#
+#       def self.merge_info
+#         n = 0
+#         @@owner.length.times do |n|
+#           Bank::Account.csv[n].merge!(@@owner[n])
+#           n +=1
+#         end
+#       end
+#
+#
+#
+#
+#     end
+
+
+
+
+end
+
+# a = Bank::Account.new(12334, 5000)
+# puts a.id
+# Bank::Owner.merge_info
+# ap Bank::Account.csv

lib/account_hyunji.rb

@@ -0,0 +1,18 @@
+module Bank
+  class Account
+    attr_reader :balance, :id
+    def initialize(id, initial_balance)
+      @balance = initial_balance
+      @id = id
+      if @balance < 0
+        raise ArgumentError.new "Initial balance is negative"
+      end
+    end
+
+    def withdraw(amount)
+    end
+
+    def deposit(amount)
+    end
+  end
+end

lib/checking_account.rb

@@ -0,0 +1,61 @@
+require_relative 'account'
+
+module Bank
+  class CheckingAccount < Bank::Account
+    # attr_reader :id, :balance
+    attr_accessor :num_withdrawal
+    def initialize(id, balance)
+      super(id, balance)
+      # @id = id
+      # @balance = balance
+      # raise ArgumentError.new("balance must be >= 10") if balance < 10
+      @num_withdrawal = 0
+    end
+
+    def withdraw(amount)
+      if @balance - (amount + 1) < 0
+        puts "balance must be greater than 0"
+        return @balance
+      else
+        return @balance = @balance - (amount + 1)
+      end
+    end
+
+    def withdraw_using_check(amount)
+      if amount < 0
+        puts "Withdrawl amount must be greater than 0"
+      else
+        if @balance - amount < -10
+          puts "balance must be greater than -10"
+          return @balance
+        else
+          if @num_withdrawal >= 3
+            return @balance = @balance - (amount + 2)
+          else
+            @num_withdrawal += 1
+            # puts @num_withdrawal
+            return @balance = @balance - amount
+          end
+        end
+      end
+    end
+
+    def reset_checks
+      @num_withdrawal = 0
+      return "reset"
+    end
+
+  end
+end
+
+# a = Bank::CheckingAccount.new(1234, 5000)
+# a.withdraw_using_check(10)
+# puts a.balance
+# a.withdraw_using_check(10)
+# puts a.balance
+# a.withdraw_using_check(10)
+# puts a.balance
+# a.withdraw_using_check(10)
+# puts a.balance
+
+# puts Bank::CheckingAccount.new(1234, 5000)

lib/money_market.rb

@@ -0,0 +1,89 @@
+require_relative 'account'
+
+module Bank
+  class MoneyMarket < Bank::Account
+    attr_accessor :num_transaction
+    def initialize(id, balance)
+      super(id, balance)
+      @num_transaction = 0
+      raise ArgumentError.new("Balance cannot be less than $10,000") if @balance < 10000
+    end
+
+    def withdraw(amount)
+      if @num_transaction < 6
+        if (@balance - amount) < 10000
+          @num_transaction += 1
+          puts "Balance is lower than 10000.  Charged $100 fee"
+          # puts @balance - (amount + 100)
+          @balance = @balance - (amount + 100)
+        else
+          @num_transaction += 1
+          @balance = (@balance - amount)
+        end
+      else
+        puts "Maximum Number of Transactions has reached."
+        return @balance
+      end
+    end
+
+    def deposit(amount)
+      if amount < 0
+        raise ArgumentError.new "Minus amount deposited"
+      else
+        if @num_transaction < 6
+          @balance = @balance + amount
+          @num_transaction += 1
+        else
+          if @balance < 10000
+            if (@balance + amount) > 10000
+              @balance =  (@balance + amount)
+              @num_transaction = @num_transaction
+              puts "deposit balance< 10000 #{@num_transaction}"
+            else
+              puts "Maximum Number of Transactions has reached."
+            end
+          else
+            puts "Maximum Number of Transactions has reached."
+          end
+        end
+      end
+    end
+
+    def add_interest(rate)
+      if rate < 0
+        puts "Requires a positive rate"
+      else
+        interest = @balance * rate
+        @balance = @balance + (@balance * rate)
+        return interest
+      end
+    end
+
+    def reset_transactions
+      @num_transaction = 0
+    end
+
+
+
+  end
+end
+
+
+a = Bank::MoneyMarket.new(1, 10000)
+a.deposit(30)
+puts a.balance
+a.deposit(30)
+puts a.balance
+a.deposit(30)
+puts a.balance
+a.withdraw(50)
+puts a.balance
+a.withdraw(50)
+puts a.balance
+a.withdraw(50)
+puts a.balance
+a.deposit(500)
+puts a.balance
+a.deposit(500)
+puts a.balance
+puts a.num_transaction

lib/savings_account.rb

@@ -0,0 +1,41 @@
+require_relative 'account'
+
+module Bank
+  class SavingsAccount < Bank::Account
+    # attr_reader :id, :amount
+    def initialize(id, balance)
+      super(id, balance)
+      # @id = id
+      # @balance = balance
+      raise ArgumentError.new("balance must be greater than 10") if balance < 10
+    end
+
+    def withdraw(withdraw_amount)
+      if @balance - (withdraw_amount + 2) < 10
+        puts "balance must be >= 10"
+        return @balance
+      else
+        return @balance = @balance - (withdraw_amount + 2)
+      end
+    end
+
+    def add_interest(rate)
+      if rate < 0
+        puts "Requires a positive rate"
+      else
+        interest = @balance * rate
+        @balance = @balance + (@balance * rate)
+        return interest
+      end
+    end
+
+    # a = Bank::SavingsAccount.new(1223, 5000)
+    # puts a.withdraw(500)
+    # puts a.balance
+
+
+  end
+end
+
+# a = Bank::SavingsAccount.new(1000, 10000)
+# puts a

lib/test_super_account.rb

@@ -0,0 +1,16 @@
+require_relative 'account'
+
+module Bank
+  class Test < Bank::Account
+    def initialize(id, balance)
+      super(id, balance)
+    end
+
+    def deposit(amount)
+      super(amount)
+      @balance = @balance + 10
+    end
+  end
+end
+a = Bank::Test.new(1234, 5000)
+puts a.deposit(50)