addToBatch

contents.swift

  private func addToBatch(transaction: Double) {
    // 1
        queue.enqueue(element: transaction)
    //2
        batchSum += transaction
        
        if(shouldProcessBatch()){
            // 3
            processBatch()
        }else{
             // 4
            defaults.set(batchSum, forKey: "batch_sum")
        }
    }