Create a Function to close positions in Profit

I require a function to add into my EA that will calculate the following:

• Calculate all Open Buy Positions Breakeven Level and a TP level based on Pips or Percent

• Calculate all Open Sell Positions Breakeven Level and a TP level based on Pips or Percent

Once relevent series (Buy or Sell) hits the TP Line all positions in that series to close;