PatientMeta.cs

using UnityEngine;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using LitJson;

public class PatientMeta
{
    public enum OperationBodyPart {
        Bone,
        Liver,
        Brain,
        Pancreas,
        Intestine,
        Unknown
    }

    public string firstName { get; private set; }
    public string lastName { get; private set; }
    public string name { 
        get { return this.firstName + " " + this.lastName; }
        private set { }
    }
    public string birthDate { get; private set; }
    public DateTime birthDateDT { get; private set; }
    public string operationDate { get; private set; }
    public string diagnosis { get; private set; }
    public string details { get; private set; }
    public string sex { get; private set; }
    public string path { get; private set; }
    public string dicomPath { get; private set; }
    public string meshPath { get; private set; }
    public int age { get; private set; }
    public OperationBodyPart operationBodyPart { get; private set; }
    public List<string> warnings { get; private set; }


    public PatientMeta ( string folder )
    {
        path = folder;

        string metaFile = Path.Combine( path, "meta.json" );
        string raw = File.ReadAllText(metaFile);
        JsonData data;
        try{
            data = JsonMapper.ToObject(raw);
        } catch {
            throw new System.Exception("Cannot parse meta.json. Invalid syntax?");
        }
        warnings = new List<string> ();
        operationBodyPart = OperationBodyPart.Unknown;

        if (data.Keys.Contains ("meta")) {
            JsonData metaData = data["meta"];
            if (metaData.Keys.Contains ("FirstName")) {
                firstName = metaData ["FirstName"].ToString ();
            }
            if (metaData.Keys.Contains ("LastName")) {
                lastName = metaData ["LastName"].ToString ();
            }
            if (metaData.Keys.Contains ("DateOfBirth")) {
                birthDate = metaData ["DateOfBirth"].ToString ();

                try {
                    IFormatProvider culture = System.Threading.Thread.CurrentThread.CurrentCulture;
                    DateTime dt = DateTime.Parse(birthDate, culture, System.Globalization.DateTimeStyles.AssumeLocal);
                    age = DateTime.Now.Year - dt.Year;
                    birthDate = dt.Day + " " + dt.ToString("MMMM") + " " + dt.Year;
                } catch {
                    age = -1;
                }
            }
            if (metaData.Keys.Contains ("Diagnosis")) {
                diagnosis = metaData ["Diagnosis"].ToString ();
            }
            if (metaData.Keys.Contains ("Details")) {
                details = metaData ["Details"].ToString ();
            }
            if (metaData.Keys.Contains ("DateOfOperation")) {
                operationDate = metaData ["DateOfOperation"].ToString ();
            }
            if (metaData.Keys.Contains ("Sex")) {
                sex = metaData ["Sex"].ToString ();
            }
            if (metaData.Keys.Contains ("BodyPart")) {
                string ot = metaData ["BodyPart"].ToString ();
                try {
                    operationBodyPart = (OperationBodyPart)Enum.Parse (typeof(OperationBodyPart), ot);
                } catch {
                    Debug.LogWarning ("Could not interpret BodyPart.");
                }
            }
            if (metaData.Keys.Contains ("Warnings")) {
                for (int i = 0; i < metaData ["Warnings"].Count; i++) {
                    warnings.Add (metaData ["Warnings"] [i].ToString ());
                }
            }
        }

        if (data.Keys.Contains("mesh"))
        {
            JsonData metaData = data["mesh"];
            if (metaData.Keys.Contains("path"))
            {
                meshPath = path + "/" + metaData["path"].ToString();
            }
        }

        if (data.Keys.Contains("dicom"))
        {
            JsonData metaData = data["dicom"];
            if (metaData.Keys.Contains("path"))
            {
                dicomPath = path + "/" + metaData["path"].ToString(); ;
            }
        }
    }

    // Copy constructor:
    public PatientMeta( PatientMeta toCopy )
    {
        firstName = toCopy.firstName;
        lastName = toCopy.lastName;
        birthDate = toCopy.birthDate;
        birthDateDT = toCopy.birthDateDT;
        operationDate = toCopy.operationDate;
        diagnosis = toCopy.diagnosis;
        details = toCopy.details;
        sex = toCopy.sex;
        path = toCopy.path;
        dicomPath = toCopy.dicomPath;
        meshPath = toCopy.meshPath;
        age = toCopy.age;
        operationBodyPart = toCopy.operationBodyPart;
        warnings = new List<string> (toCopy.warnings);
    }


    public static PatientMeta createFromFolder( string folder )
    {
        string patientsDirectoryFile = Path.Combine( folder, "meta.json" );
        if (File.Exists(patientsDirectoryFile))
        {
            return new PatientMeta (folder);
        } else {
            Debug.LogWarning ("No meta.json found in\n\t" + folder + "\n\tInvalid patient folder.");
            return null;
        }
    }

    public override string ToString()
    {
        return base.ToString () + " (Name: " + name + ")";
    }
}