Zebra Printer

CPCLLabelFormatter

using System;
using System.Collections.Generic;
using System.Text;
using mOrders.Terminal.Infrastructure;
using mOrders.Terminal.Store;

namespace mOrders.Terminal.Services
{
    public class CPCLLabelFormatter
    {
        private string labelMask;

        private List<Action<PatientOrder,Sample, StringBuilder>> replaceFunctions;

        public CPCLLabelFormatter( string labelMask )
        {
            this.labelMask = labelMask;

            replaceFunctions = new List<Action<PatientOrder, Sample, StringBuilder>>();
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@location", o.Location));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@name", o.Name));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@gender", o.Gender));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@urgent", o.Urgent ? "Urgent" : ""));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@age", o.Age.ToString()));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@instructions", o.Instructions));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@comments", o.Comments));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@sampleCode", s.Code));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@sampleBarCode", s.Barcode)); 
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@sampleDescription", s.Description));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@code", o.Code));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@date", SystemTime.Now.ToShortDateString()));
            replaceFunctions.Add((o, s, sb) => sb = sb.Replace("@time", SystemTime.Now.ToShortTimeString()));
        }

        public string[] GetLabels(PatientOrder o)
        {
            List<string> labels = new List<string>();

            foreach (var s in o.Samples)
            {
                StringBuilder sb = new StringBuilder(this.labelMask);
                replaceFunctions.ForEach(ftr => ftr(o, s, sb));
                labels.Add(sb.ToString());
            }
            return labels.ToArray();
        }
    }
}

ILabelPrinter

namespace mOrders.Terminal.Infrastructure
{
    public interface ILabelPrinter
    {
        void PrintLabels(string[] labels);
    }
}

Test

 [TestMethod]
        public void PrintsLabel()
        {
            string printerMask = "! 0 200 200 200 1\r\n" +
                              "LABEL\r\n" +
                              "CONTRAST 0\r\n" +
                              "TONE 0\r\n" +
                              "SPEED 5\r\n" +
                              "PAGE-WIDTH 580\r\n" +
                              "BAR-SENSE\r\n" +
                              ";// PAGE 0000000005800200\r\n" +
                              "T 0 5 10 8 @date\r\n" +
                              "T 0 5 172 8 @time\r\n" +
                              "BT 0 0 0\r\n" +
                              "B 39 2 2 50 12 138 @sampleBarCode\r\n" +
                              "BT OFF\r\n" +
                              "T 0 5 49 51 @name\r\n" +
                              "T 0 5 12 51 @gender\r\n" +
                              "T 0 5 12 92 @location\r\n" +
                              "FORM\r\n" +
                              "PRINT\r\n";

            Console.WriteLine(printerMask);

            PatientOrder po = new PatientOrder() { Age = 1, Code = "O-Code", Gender = "M", Location = "Location", Name = "Name" };
            po.Samples = new List<Sample>();
            (po.Samples as List<Sample>).Add(new Sample() { Barcode = "12345", Code = "427", Description = "Sample 1" });
            (po.Samples as List<Sample>).Add(new Sample() { Barcode = "87654", Code = "425", Description = "Sample 2" });

            CPCLLabelFormatter f = new CPCLLabelFormatter(printerMask);
            var labels = f.GetLabels(po);

            var z = new ZebraLabelPrinter("192.168.1.18");
            z.PrintLabels(labels);
        }

ZebraLabelPrinter

using System.Text;
using mOrders.Terminal.Infrastructure;
using ZSDK_API.Comm;

namespace mOrders.Terminal.Services
{
    public class ZebraLabelPrinter : ILabelPrinter
    {
        private string printerAddress;
        private ZebraPrinterConnection connection;

        public ZebraLabelPrinter(string printerAddress)
        {
            this.printerAddress = printerAddress;
        }

        public void PrintLabels(string[] labels)
        {
            connection = new TcpPrinterConnection(this.printerAddress, TcpPrinterConnection.DEFAULT_CPCL_TCP_PORT);
            connection.Open();

            foreach (var s in labels)
            {
                connection.Write(Encoding.Default.GetBytes(s));
            }

            connection.Close();
        }
    }
}