Class: Banks::TransactionArray

Inherits:
Array
  • Object
show all
Defined in:
lib/banks/transaction.rb

Instance Method Summary collapse

Instance Method Details

#<<(transaction) ⇒ Object 



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# File 'lib/banks/transaction.rb', line 138

def << (transaction)
  super
  #transaction.category = (CategoryPolicy.categorize transaction.description).upcase

end

#by_date(begin_date, end_date) ⇒ Object

Return transactions within a date range.



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# File 'lib/banks/transaction.rb', line 63

def by_date (begin_date, end_date)
  result = TransactionArray.new

  # Filter all less than end date.

  temp_array = TransactionArray.new
  each do |transaction|
    if transaction.date <= end_date then temp_array << transaction end
  end

  # Filter all greater than begin date.

  temp_array.each do |transaction|
    if transaction.date >= begin_date then result << transaction end
  end

  return result
end

#current_month ⇒ Object

Return current month transactions.



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# File 'lib/banks/transaction.rb', line 81

def current_month
  return previous_month 0
end

#last_month ⇒ Object

Return last month transactions.



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# File 'lib/banks/transaction.rb', line 86

def last_month
  return previous_month 1
end

#merge_array(merging_array) ⇒ Object

Merge array



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# File 'lib/banks/transaction.rb', line 132

def merge_array(merging_array)
  merging_array.each do |transaction|
    self << transaction
  end
end

#previous_month(months_back) ⇒ Object

months_back - how many months to go back from current date.



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# File 'lib/banks/transaction.rb', line 91

def previous_month(months_back)
  year = Date.today.year
  month = Date.today.month

  begin_date = Date.civil(year, month, 1) - months_back.month
  end_date = begin_date.end_of_month
  
  return by_date(begin_date, end_date)
end

#remove_transfers ⇒ Object

Remove transactions considered transfers to own accounts.



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# File 'lib/banks/transaction.rb', line 50

def remove_transfers
  result = TransactionArray.new
  each do |transaction|
    should_add = true

    # Currently unavailable.

    puts "Removing transaction. " + transaction.to_s unless should_add == true 
    if should_add then result << transaction end
  end
  return result
end

#sort_by_amount ⇒ Object

Sort by amount. Negative to positive.



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# File 'lib/banks/transaction.rb', line 40

def sort_by_amount
  sort! {|x, y| x.amount <=> y.amount}
end

#sort_by_category ⇒ Object

Sort by category.



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# File 'lib/banks/transaction.rb', line 45

def sort_by_category
  sort! {|x, y| x.category <=> y.category}
end

#sort_by_date ⇒ Object

Sorts transactions by date, from newer to older.



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# File 'lib/banks/transaction.rb', line 35

def sort_by_date
  sort! {|x, y| y.date <=> x.date}
end

#to_s ⇒ Object 



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# File 'lib/banks/transaction.rb', line 101

def to_s
  result = ""
  each do |transaction|
    result = result + transaction.to_s + "\n"
  end
  result
end

#to_s_by_cat ⇒ Object 



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# File 'lib/banks/transaction.rb', line 109

def to_s_by_cat
  result = ""
  current_cat = nil
  total = 0
  last_transaction = nil
  each do |transaction|
    if !current_cat.nil? && current_cat != transaction.category
      result = result + "Total for category #{current_cat}: " + Banks.amount_to_s(total) + "\n\n"
      total = 0
    end
    result = result + transaction.to_s + "\n"
    total = total + transaction.amount
    current_cat = transaction.category
    last_transaction = transaction
  end
  if !last_transaction.nil? then
    result = result + "Total for category #{current_cat}: " + Banks.amount_to_s(total) + "\n\n"
    total = 0
  end
  result
end

#total ⇒ Object 



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# File 'lib/banks/transaction.rb', line 10

def total
  total = 0
  each do |transaction|
    total = total + transaction.amount
  end
  Banks.amount_to_s(total)
end

#total_negative ⇒ Object 



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# File 'lib/banks/transaction.rb', line 26

def total_negative
  total = 0
  each do |transaction|
    total = total + transaction.amount unless transaction.amount > 0
  end
  Banks.amount_to_s(total)
end

#total_positive ⇒ Object 



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# File 'lib/banks/transaction.rb', line 18

def total_positive
  total = 0
  each do |transaction|
    total = total + transaction.amount unless transaction.amount < 0
  end
  Banks.amount_to_s(total)
end