FISLib_Old/Vinno.FIS.Sonopost/Features/Dicom/PatientScanInfoHelper.cs

using Dicom;
using FISLib.Remedical;
using System;
using System.Text.RegularExpressions;
using Vinno.IUS.Common.Log;

namespace Vinno.FIS.Sonopost.Features.Dicom
{
    internal class PatientScanInfoHelper
    {
        /// <summary>
        /// Create patient scan info
        /// </summary>
        /// <param name="dataset">Dicom dataset.</param>
        /// <returns>Patient scan info.</returns>
        public static FISPatientScanInfo CreatePatientScanInfo(DicomDataset dataset)
        {
            var patientScanInfo = new FISPatientScanInfo();
            try
            {
                var patientName = dataset.GetSingleValueOrDefault(DicomTag.PatientName, "Unknown");
                var patientGender = dataset.GetSingleValueOrDefault(DicomTag.PatientSex, "Unknown");
                var patientId = dataset.GetSingleValueOrDefault(DicomTag.PatientID, string.Empty);
                var patientBirthdayDate = GetPatientBirthDate(dataset);
                AssignPatientName(patientName, patientScanInfo);
                AssignPatientGender(patientGender, patientScanInfo);
                AssignPatientCommonInfo(patientId, patientBirthdayDate, patientScanInfo);
            }
            catch (Exception e)
            {
                Logger.WriteLineError($"CreatePatientScanInfo Error:{e}");
            }
            return patientScanInfo;
        }

        private static DateTime GetPatientBirthDate(DicomDataset dataset)
        {
            try
            {
                if (dataset.Contains(DicomTag.PatientBirthDate))
                {
                    return dataset.GetSingleValueOrDefault(DicomTag.PatientBirthDate, DateTime.MinValue);
                }
            }
            catch (Exception e)
            {
                string result = "";
                dataset.TryGetString(DicomTag.PatientBirthDate, out result);
                Logger.WriteLineError($"Get Patient BirthData Error,{result}:{e}");
            }
            return DateTime.MinValue;
        }

        private static void AssignPatientCommonInfo(string patientId, DateTime birthdayDate, FISPatientScanInfo patientScanInfo)
        {
            if (birthdayDate != DateTime.MinValue && birthdayDate.ToString("yyyyMMdd") != DateTime.Now.ToString("yyyyMMdd"))
            {
                patientScanInfo.Birthday = birthdayDate;
                patientScanInfo.AgeUnit = FISAgeUnit.Year;
                patientScanInfo.AgeYears = (DateTime.Now - birthdayDate).Days / 365;
            }

            patientScanInfo.PatientId = patientId;
        }

        private static void AssignPatientGender(string gender, FISPatientScanInfo patientScanInfo)
        {
            if (gender == "M")
            {
                patientScanInfo.IsMale = true;
            }
            else if (gender == "F")
            {
                patientScanInfo.IsMale = false;
            }
            else
            {
                patientScanInfo.IsMale = null;
            }
        }

        private static void AssignPatientName(string name, FISPatientScanInfo patientScanInfo)
        {
            var tempName = name.Replace("^", " ");
            if (IsContainChinese(tempName))
            {
                patientScanInfo.LastName = tempName.Trim();
                return;
            }

            var chars = name.Split('^');
            if (chars.Length > 1)
            {
                patientScanInfo.FirstName = chars[0];
                if (chars.Length >= 3)
                {
                    patientScanInfo.LastName = chars[1] + chars[2];
                }
                else
                {
                    patientScanInfo.LastName = chars[1];
                }
                return;
            }

            patientScanInfo.LastName = chars[0];
        }

        private static bool IsContainChinese(string name)
        {
            var reg = new Regex(@"[\u4e00-\u9fa5]");
            return reg.IsMatch(name);
        }
    }
}