bank_accounts

bank_accounts.rb

@@ -0,0 +1,205 @@
+require 'CSV'
+require 'money'
+
+module Bank
+  class Account
+    attr_reader :id, :money, :start_date
+    ACCOUNT_MIN = 0
+    WITHDRAWAL_FEE = 0
+
+    def initialize(hash)
+      @id = hash[:id]
+      @money = hash[:money].to_f
+      @start_date = hash[:start_date]
+
+      if money < self.class::ACCOUNT_MIN
+        raise ArgumentError.new("You cannot initiate a new bank account with a"+
+        " negative amount.")
+      end
+    end
+
+    # def self.new_account(id = nil, money = nil, start_date =nil)
+    #   new_hash = self.new(:id => id, :money => money)
+    #   account_min = 0
+    #   if money < account_min
+    #     raise ArgumentError.new("Only positive amounts are allowed in the bank.")
+    #   end
+    #   return new_hash
+    # end
+
+    def withdraw(take_out = 0)
+      # @take_out = take_out
+      if @money.to_f - take_out.to_f < self.class::ACCOUNT_MIN
+        puts "Transaction cancelled. Account balance must remain above "+
+        "$#{self.class::ACCOUNT_MIN}."
+        balance
+      else
+        @money -= take_out.to_f + self.class::WITHDRAWAL_FEE
+        puts "Withdrawal fees: $#{self.class::WITHDRAWAL_FEE}"
+        balance
+      end
+    end
+
+    def deposit(put_in = 0)
+      # put_in = put_in
+      @money += put_in.to_f
+      balance
+    end
+
+    def balance
+      var = sprintf("%0.02f", @money)
+      #'%0.7s' % @money.to_s
+      return "Current balance: $#{var}"
+    end
+
+    # searches for owner AND account info based on the id!
+    def self.find(id)
+      list_number = ""
+
+      # matches the given id to the list number
+      # association by account_owners.csv -- searches down the id column
+      CSV.foreach("account_owners.csv") do |row|
+        # if the id matches, assign the associating list_number
+        if row[0].to_f == id.to_f
+          list_number = row[1]
+        end
+      end
+
+      if list_number.inspect == nil
+        puts "ID does not match existing records."
+      end
+
+        # use the list_number to provide owner information
+      owner = Bank::Owner.all # initiates all owner data
+      owner.each do |num|
+        if list_number == num.list_num
+          print num.inspect
+        end
+      end
+
+        # use the given id to provide account information
+      var = self.all
+      var.each do |num|
+        if num.id == id
+          num
+          return num
+        end
+      end
+    end
+
+    def self.all
+      account_hash = {:id => nil, :money => nil, :start_date => nil}
+      accounts = CSV.read('accounts.csv') #access into the accounts csv
+      account_info = []  #create blank array that'll store all instances
+      # create a loop to create new instances for each row in the Excel file
+      CSV.foreach("accounts.csv") do |row|
+        info = self.new(id: row[0].to_f, money: (row[1].to_f/100),
+                        start_date: row[2])
+        account_info << info
+      end
+      return account_info #pushes each info into the array
+    end
+  end
+
+  class Owner
+
+    attr_reader :list_num
+    def initialize(info_hash)
+      @list_num = info_hash[:list_num]
+      @last_name = info_hash[:last_name]
+      @first_name = info_hash[:first_name]
+      @street = info_hash[:street]
+      @city = info_hash[:city]
+      @state = info_hash[:state]
+    end
+
+    def self.find(list_num)
+      var = self.all
+      var.each do |hash|
+        if hash.list_num == list_num.to_s
+          return hash
+        end
+      end
+    end
+
+    def self.all
+      info_hash = {:list_num => "", :last_name => "",:first_name => "",
+        :street =>"", :city => "", :state => ""}
+      owners = CSV.read('owners.csv')
+      owner_info = []
+      # loop down each row and creates a new hash each time
+      CSV.foreach("owners.csv") do |row|
+        hashes = info_hash
+        # loop across each column
+        (0..(owners[0].length)-1).each do |col|
+          hashes[info_hash.keys[col]] = row[col]
+        end
+        # uses self to create instance within Owner
+        info = self.new(hashes)
+        owner_info << info
+      end
+      return owner_info
+    end
+  end
+
+  class SavingsAccount < Account
+    ACCOUNT_MIN = 10
+    WITHDRAWAL_FEE = 2
+
+    def add_interest(rate = 0.25)
+      interest = (@money * rate / 100) - @money
+      print "Total interest: $#{'%0.7s' % @interest.to_s}"
+    end
+  end
+
+  class CheckingAccount < Account
+    ACCOUNT_MIN = 0
+    WITHDRAWAL_FEE = 1
+    def initialize(hash)
+      super
+      @num = 0
+    end
+
+    def withdraw_using_check(take_out = 0)
+      account_min = -10
+      withdrawal_fee = 2
+      free_withdrawal = 3
+      @num += 1
+
+      if @money.to_f - take_out.to_f < account_min
+        puts "You may only overdraft up to $#{account_min.abs}."
+        balance
+      elsif @num > free_withdrawal #After 3 withdrawals, fees start
+        @money -= take_out.to_f + withdrawal_fee
+        puts "Withdrawal fees: $#{withdrawal_fee}"
+        balance
+      else
+        @money -= take_out.to_f
+        puts "Withdrawal fees: $0"
+        balance
+      end
+    end
+
+    def reset_checks
+      @num = 0 #reset the check withdrawal count to 0
+    end
+  end
+
+end
+
+
+    # def self.all_together_now
+    #   account = self.all
+    #   owner = Bank::Owner.all
+    #   match = CSV.read('account_owners.csv')
+    #
+    #   CSV.foreach("account_owners.csv") do |row|
+    #     puts row[1]
+    #     owner.each do |num|
+    #       puts num.list_num
+    #       if row[1] == num.list_num
+    #         return num
+    #       end
+    #     end
+    #   end
+    # end