Demo ready dashboard

Controllers/HL7Controller.cs

@@ -0,0 +1,92 @@
+using Microsoft.AspNetCore.Mvc;
+using SimpleLIS.DTO;
+using SimpleLIS.Services;
+using SimpleLIS.Models;
+using AutoMapper;
+using System.Text.Json;
+
+namespace SimpleLIS.Controllers;
+
+[ApiController]
+[Route("api/hl7")]
+public class HL7Controller : ControllerBase
+{
+    private readonly MessageService msgService;
+    private readonly PatientService ptService;
+    private readonly IMapper _mapper;
+
+    public HL7Controller(
+        MessageService messageService, 
+        PatientService patientService, 
+        IMapper mapper)
+    {
+        msgService = messageService;
+        ptService = patientService;
+        _mapper = mapper;
+    }
+
+[HttpPost("process")]
+public async Task<IActionResult> ProcessHL7Message([FromBody] JsonElement payload)
+{
+    try
+    {
+        var patient = new Patient
+        {
+            HL7PatientId = payload.GetProperty("hl7PatientId").GetString(),
+            LastName = payload.GetProperty("lastName").GetString(),
+            FirstName = payload.GetProperty("firstName").GetString(),
+            DateOfBirth = payload.GetProperty("dateOfBirth").GetDateTime(),
+            Gender = payload.GetProperty("gender").GetString(),
+            Messages = new List<Message>()
+        };
+
+        var existingPatient = await ptService.GetPatientByNameAndDOB(
+            patient.FirstName!, 
+            patient.LastName!, 
+            patient.DateOfBirth
+        );
+
+        patient = existingPatient ?? await ptService.CreatePatientAsync(patient);
+        var message = new Message
+        {
+            ControlId = payload.GetProperty("controlId").GetString() ?? string.Empty,
+            MessageType = payload.GetProperty("messageType").GetString()?? string.Empty,
+            SendingApp = payload.GetProperty("sendingApp").GetString(),
+            SendingFacility = payload.GetProperty("sendingFacility").GetString(),
+            ReceivingApp = payload.GetProperty("receivingApp").GetString(),
+            ReceivingFacility = payload.GetProperty("receivingFacility").GetString(),
+            Timestamp = payload.GetProperty("timestamp").GetDateTime(),
+            Version = payload.GetProperty("version").GetString(),
+            PatientId = patient.PatientId,
+            Patient = patient,
+            Observations = new List<Observation>()
+        };
+
+        var observationsArray = payload.GetProperty("observations");
+        foreach (var obsElement in observationsArray.EnumerateArray())
+        {
+            var observation = new Observation
+            {
+                ObservationCode = obsElement.GetProperty("ObservationCode").GetString()?? string.Empty,
+                ObservationValue = obsElement.GetProperty("ObservationValue").GetString()?? string.Empty,
+                Units = obsElement.GetProperty("Units").GetString(),
+                AbnormalFlag = obsElement.GetProperty("AbnormalFlag").GetString(),
+                ResultStatus = obsElement.GetProperty("ResultStatus").GetString() ?? "F",
+                Message = message
+            };
+            message.Observations.Add(observation);
+        }
+
+        var createdMessage = await msgService.CreateMessageAsync(message);
+        
+        return Ok(new { 
+            message = _mapper.Map<MessageDTO>(createdMessage),
+            patient = _mapper.Map<PatientDTO>(patient)
+        });
+    }
+    catch (Exception ex)
+    {
+        return BadRequest(new { error = ex.Message + (ex.InnerException?.Message ?? "") });
+    }
+}
+}

Controllers/HomeController.cs

@@ -1,23 +1,61 @@
 using System.Diagnostics;
 using Microsoft.AspNetCore.Mvc;
 using SimpleLIS.Models;
+using SimpleLIS.Services;
 
 namespace SimpleLIS.Controllers;
 
 public class HomeController : Controller
 {
     private readonly ILogger<HomeController> _logger;
+    private readonly MessageService _messageService;
+    private readonly PatientService _patientService;
+    private readonly ObservationService _observationService;
 
-    public HomeController(ILogger<HomeController> logger)
+    public HomeController(
+        ILogger<HomeController> logger,
+        MessageService messageService,
+        PatientService patientService,
+        ObservationService observationService)
     {
         _logger = logger;
+        _messageService = messageService;
+        _patientService = patientService;
+        _observationService = observationService;
     }
 
-    public IActionResult Index()
+    public async Task<IActionResult> Index()
     {
+        var patients = await _patientService.ListPatientsAsync();
+        var messages = await _messageService.ListMessagesAsync();
+        var observations = await _observationService.ListObservationsAsync();
+
+        ViewBag.TotalPatients = patients.Count();
+        ViewBag.TotalMessages = messages.Count();
+        ViewBag.TotalObservations = observations.Count();
+        ViewBag.RecentMessages = messages.OrderByDescending(m => m.Timestamp).Take(5);
+
         return View();
     }
 
+    public async Task<IActionResult> Patients()
+    {
+        var patients = await _patientService.ListPatientsAsync();
+        return View(patients);
+    }
+
+    public async Task<IActionResult> Messages()
+    {
+        var messages = await _messageService.ListMessagesAsync();
+        return View(messages.OrderByDescending(m => m.Timestamp));
+    }
+
+    public async Task<IActionResult> Observations()
+    {
+        var observations = await _observationService.ListObservationsAsync();
+        return View(observations);
+    }
+
     public IActionResult Privacy()
     {
         return View();

Controllers/PatientsController.cs

@@ -1,5 +1,6 @@
 using AutoMapper;
 using Microsoft.AspNetCore.Mvc;
+using SimpleLIS.DTO;
 using SimpleLIS.Models;
 using SimpleLIS.Services;
 
@@ -41,6 +42,16 @@ public class PatientsController : ControllerBase
         return Ok(patientDto);
     }
 
+    [HttpGet("{id}/observations")]
+    public async Task<IActionResult> GetPatientObservationById(string id){
+        List<Observation> observations;
+        if(int.TryParse(id, out int patientId))
+            observations = await _patientService.GetPatientObservationById(patientId);
+        else
+            observations = await _patientService.GetPatientObservationByHL7PatientId(id);
+        return Ok(_mapper.Map<List<ObservationDTO>>(observations));
+    }
+
     [HttpGet]
     public async Task<IActionResult> ListPatients()
     {

Services/MessageService.cs

@@ -28,7 +28,10 @@ public class MessageService
 
     public async Task<IEnumerable<Message>> ListMessagesAsync()
     {
-        return await _context.Messages.Include(m => m.Observations).ToListAsync();
+        return await _context.Messages
+            .Include(m => m.Observations)
+            .Include(m => m.Patient)
+            .ToListAsync();
     }
 
     public async Task<Message> UpdateMessageAsync(Message message)

Services/ObservationService.cs

@@ -28,7 +28,10 @@ public class ObservationService
 
     public async Task<IEnumerable<Observation>> ListObservationsAsync()
     {
-        return await _context.Observations.Include(o => o.Message).ToListAsync();
+        return await _context.Observations
+            .Include(o => o.Message)
+                .ThenInclude(m => m.Patient)
+            .ToListAsync();
     }
 
     public async Task<Observation> UpdateObservationAsync(Observation observation)

Services/PatientService.cs

@@ -26,9 +26,21 @@ public class PatientService
             .FirstOrDefaultAsync(p => p.PatientId == id);
     }
 
+    public async Task<List<Observation>> GetPatientObservationById(int id){
+        return await _context.Observations.Include(observation=>observation.Message)
+        .Where(observation=>observation.Message.PatientId==id).ToListAsync();
+    }
+
+    public async Task<List<Observation>> GetPatientObservationByHL7PatientId(string id){
+        return await _context.Observations.Include(observation => observation.Message)
+        .Where(observation => observation.Message.Patient.HL7PatientId == id).ToListAsync();
+    }
+
     public async Task<IEnumerable<Patient>> ListPatientsAsync()
     {
-        return await _context.Patients.ToListAsync();
+        return await _context.Patients
+            .Include(p => p.Messages)
+            .ToListAsync();
     }
 
     public async Task<Patient> UpdatePatientAsync(Patient patient)
@@ -52,4 +64,14 @@ public class PatientService
     {
         return await _context.Patients.AnyAsync(p => p.PatientId == id);
     }
+    public async Task<Patient?> GetPatientByNameAndDOB(string firstName, string lastName, DateTime dateOfBirth)
+    {
+        return await _context.Patients
+            .FirstOrDefaultAsync(p => 
+                p.FirstName == firstName && 
+                p.LastName == lastName && 
+                p.DateOfBirth == dateOfBirth);
+    }
+
+
 }

Views/Home/Index.cshtml

@@ -1,8 +1,145 @@
 @{
-    ViewData["Title"] = "Home Page";
+    ViewData["Title"] = "Dashboard";
 }
 
-<div class="text-center">
-    <h1 class="display-4">Welcome</h1>
-    <p>Learn about <a href="https://learn.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
+<div class="container-fluid">
+    <div class="row mb-4">
+        <div class="col-12">
+            <h1 class="display-4 mb-0">Dashboard</h1>
+            <p class="text-muted">Laboratory Information System - Real-time HL7 Message Processing</p>
+        </div>
+    </div>
+
+    <!-- Statistics Cards -->
+    <div class="row mb-4">
+        <div class="col-md-4 mb-3">
+            <div class="card text-white bg-primary">
+                <div class="card-body">
+                    <div class="d-flex justify-content-between align-items-center">
+                        <div>
+                            <h6 class="card-title text-white-50 text-uppercase mb-1">Total Patients</h6>
+                            <h2 class="mb-0">@ViewBag.TotalPatients</h2>
+                        </div>
+                        <div class="fs-1 opacity-50">
+                            <i class="bi bi-people-fill"></i>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <div class="col-md-4 mb-3">
+            <div class="card text-white bg-success">
+                <div class="card-body">
+                    <div class="d-flex justify-content-between align-items-center">
+                        <div>
+                            <h6 class="card-title text-white-50 text-uppercase mb-1">HL7 Messages</h6>
+                            <h2 class="mb-0">@ViewBag.TotalMessages</h2>
+                        </div>
+                        <div class="fs-1 opacity-50">
+                            <i class="bi bi-envelope-fill"></i>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <div class="col-md-4 mb-3">
+            <div class="card text-white bg-info">
+                <div class="card-body">
+                    <div class="d-flex justify-content-between align-items-center">
+                        <div>
+                            <h6 class="card-title text-white-50 text-uppercase mb-1">Lab Observations</h6>
+                            <h2 class="mb-0">@ViewBag.TotalObservations</h2>
+                        </div>
+                        <div class="fs-1 opacity-50">
+                            <i class="bi bi-clipboard2-pulse-fill"></i>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <!-- Recent Messages -->
+    <div class="row">
+        <div class="col-12">
+            <div class="card">
+                <div class="card-header bg-white">
+                    <h5 class="mb-0">Recent HL7 Messages</h5>
+                </div>
+                <div class="card-body">
+                    @if (ViewBag.RecentMessages != null && ((IEnumerable<SimpleLIS.Models.Message>)ViewBag.RecentMessages).Any())
+                    {
+                        <div class="table-responsive">
+                            <table class="table table-hover">
+                                <thead>
+                                    <tr>
+                                        <th>Control ID</th>
+                                        <th>Message Type</th>
+                                        <th>Patient</th>
+                                        <th>Sending Facility</th>
+                                        <th>Timestamp</th>
+                                        <th>Observations</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    @foreach (var message in (IEnumerable<SimpleLIS.Models.Message>)ViewBag.RecentMessages)
+                                    {
+                                        <tr>
+                                            <td><code>@message.ControlId</code></td>
+                                            <td><span class="badge bg-primary">@message.MessageType</span></td>
+                                            <td>@message.Patient.FirstName @message.Patient.LastName</td>
+                                            <td>@message.SendingFacility</td>
+                                            <td>@message.Timestamp.ToString("yyyy-MM-dd HH:mm:ss")</td>
+                                            <td><span class="badge bg-info">@message.Observations.Count tests</span></td>
+                                        </tr>
+                                    }
+                                </tbody>
+                            </table>
+                        </div>
+                    }
+                    else
+                    {
+                        <div class="alert alert-info mb-0">
+                            <strong>No messages yet.</strong> Start Mirth Connect and send HL7 messages to see them appear here!
+                        </div>
+                    }
+                </div>
+                <div class="card-footer bg-white">
+                    <a asp-controller="Home" asp-action="Messages" class="btn btn-sm btn-primary">View All Messages</a>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <!-- Quick Actions -->
+    <div class="row mt-4">
+        <div class="col-12">
+            <div class="card">
+                <div class="card-header bg-white">
+                    <h5 class="mb-0">Quick Actions</h5>
+                </div>
+                <div class="card-body">
+                    <div class="row">
+                        <div class="col-md-4 mb-2">
+                            <a asp-controller="Home" asp-action="Patients" class="btn btn-outline-primary btn-lg w-100">
+                                <i class="bi bi-people"></i> View All Patients
+                            </a>
+                        </div>
+                        <div class="col-md-4 mb-2">
+                            <a asp-controller="Home" asp-action="Messages" class="btn btn-outline-success btn-lg w-100">
+                                <i class="bi bi-envelope"></i> View All Messages
+                            </a>
+                        </div>
+                        <div class="col-md-4 mb-2">
+                            <a asp-controller="Home" asp-action="Observations" class="btn btn-outline-info btn-lg w-100">
+                                <i class="bi bi-clipboard2-pulse"></i> View Observations
+                            </a>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
 </div>

Views/Home/Messages.cshtml

@@ -0,0 +1,115 @@
+@model IEnumerable<SimpleLIS.Models.Message>
+@{
+    ViewData["Title"] = "HL7 Messages";
+}
+
+<div class="container-fluid">
+    <div class="row mb-4">
+        <div class="col-12">
+            <h1 class="display-4 mb-0">HL7 Messages</h1>
+            <p class="text-muted">All received HL7 messages from Mirth Connect</p>
+        </div>
+    </div>
+
+    <div class="row">
+        <div class="col-12">
+            <div class="card">
+                <div class="card-header bg-white d-flex justify-content-between align-items-center">
+                    <h5 class="mb-0">Message Log</h5>
+                    <span class="badge bg-success">@Model.Count() Total</span>
+                </div>
+                <div class="card-body">
+                    @if (Model.Any())
+                    {
+                        <div class="table-responsive">
+                            <table class="table table-striped table-hover" id="messagesTable">
+                                <thead>
+                                    <tr>
+                                        <th>Message ID</th>
+                                        <th>Control ID</th>
+                                        <th>Type</th>
+                                        <th>Patient</th>
+                                        <th>Sending</th>
+                                        <th>Receiving</th>
+                                        <th>Timestamp</th>
+                                        <th>Version</th>
+                                        <th>Tests</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    @foreach (var message in Model)
+                                    {
+                                        <tr>
+                                            <td><code>@message.MessageId</code></td>
+                                            <td><code>@message.ControlId</code></td>
+                                            <td><span class="badge bg-primary">@message.MessageType</span></td>
+                                            <td>
+                                                <strong>@message.Patient.LastName, @message.Patient.FirstName</strong>
+                                                <br />
+                                                <small class="text-muted">ID: @message.Patient.HL7PatientId</small>
+                                            </td>
+                                            <td>
+                                                <strong>@message.SendingApp</strong>
+                                                <br />
+                                                <small class="text-muted">@message.SendingFacility</small>
+                                            </td>
+                                            <td>
+                                                <strong>@message.ReceivingApp</strong>
+                                                <br />
+                                                <small class="text-muted">@message.ReceivingFacility</small>
+                                            </td>
+                                            <td>
+                                                @message.Timestamp.ToString("yyyy-MM-dd")
+                                                <br />
+                                                <small class="text-muted">@message.Timestamp.ToString("HH:mm:ss")</small>
+                                            </td>
+                                            <td><span class="badge bg-secondary">@message.Version</span></td>
+                                            <td>
+                                                <span class="badge bg-info">@message.Observations.Count</span>
+                                            </td>
+                                        </tr>
+                                    }
+                                </tbody>
+                            </table>
+                        </div>
+                    }
+                    else
+                    {
+                        <div class="alert alert-info mb-0">
+                            <strong>No messages received yet.</strong>
+                        </div>
+                    }
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <div class="row mt-3">
+        <div class="col-12">
+            <a asp-controller="Home" asp-action="Index" class="btn btn-secondary">
+                <i class="bi bi-arrow-left"></i> Back to Dashboard
+            </a>
+        </div>
+    </div>
+</div>
+
+@section Scripts {
+    <script>
+        @if (Model.Any())
+        {
+            <text>
+            $(document).ready(function() {
+                // Add search functionality
+                $('#messagesTable').before('<div class="mb-3"><input type="text" id="searchInput" class="form-control" placeholder="Search messages..."></div>');
+
+                $('#searchInput').on('keyup', function() {
+                    var value = $(this).val().toLowerCase();
+                    $('#messagesTable tbody tr').filter(function() {
+                        $(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
+                    });
+                });
+            });
+            </text>
+        }
+    </script>
+}

Views/Home/Observations.cshtml

@@ -0,0 +1,261 @@
+@model IEnumerable<SimpleLIS.Models.Observation>
+@{
+    ViewData["Title"] = "Lab Observations";
+}
+
+<div class="container-fluid">
+    <div class="row mb-4">
+        <div class="col-12">
+            <h1 class="display-4 mb-0">Laboratory Observations</h1>
+            <p class="text-muted">All lab test results and observations</p>
+        </div>
+    </div>
+    @if (Model.Any())
+    {
+        var abnormalCount = Model.Count(o => !string.IsNullOrEmpty(o.AbnormalFlag) && o.AbnormalFlag != "N");
+        var finalCount = Model.Count(o => o.ResultStatus == "F");
+        var uniqueTests = Model.Select(o => o.ObservationCode).Distinct().Count();
+
+        <div class="row mt-4">
+            <div class="col-md-4 mb-3">
+                <div class="card text-white bg-success">
+                    <div class="card-body text-center">
+                        <h3>@Model.Count()</h3>
+                        <p class="mb-0">Total Observations</p>
+                    </div>
+                </div>
+            </div>
+            <div class="col-md-4 mb-3">
+                <div class="card text-white bg-warning">
+                    <div class="card-body text-center">
+                        <h3>@abnormalCount</h3>
+                        <p class="mb-0">Abnormal Results</p>
+                    </div>
+                </div>
+            </div>
+            <div class="col-md-4 mb-3">
+                <div class="card text-white bg-info">
+                    <div class="card-body text-center">
+                        <h3>@uniqueTests</h3>
+                        <p class="mb-0">Unique Test Types</p>
+                    </div>
+                </div>
+            </div>
+        </div>
+    }
+
+    <div class="row">
+        <div class="col-12">
+            <div class="card">
+                <div class="card-header bg-white d-flex justify-content-between align-items-center">
+                    <h5 class="mb-0">Test Results</h5>
+                    <span class="badge bg-info">@Model.Count() Total</span>
+                </div>
+                <div class="card-body">
+                    @if (Model.Any())
+                    {
+                        <div class="table-responsive">
+                            <table class="table table-striped table-hover" id="observationsTable">
+                                <thead>
+                                    <tr>
+                                        <th>Observation ID</th>
+                                        <th>Patient</th>
+                                        <th>Test Code</th>
+                                        <th>Result Value</th>
+                                        <th>Units</th>
+                                        <th>Abnormal Flag</th>
+                                        <th>Status</th>
+                                        <th>Message Date</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    @foreach (var obs in Model)
+                                    {
+                                        <tr>
+                                            <td><code>@obs.ObservationId</code></td>
+                                            <td>
+                                                <strong>@obs.Message.Patient.LastName, @obs.Message.Patient.FirstName</strong>
+                                                <br />
+                                                <small class="text-muted">@obs.Message.Patient.HL7PatientId</small>
+                                            </td>
+                                            <td>
+                                                <span class="badge bg-secondary">@obs.ObservationCode</span>
+                                            </td>
+                                            <td>
+                                                <strong class="@(obs.AbnormalFlag != null && obs.AbnormalFlag != "N" && obs.AbnormalFlag != "" ? "text-danger" : "")">
+                                                    @obs.ObservationValue
+                                                </strong>
+                                            </td>
+                                            <td>@obs.Units</td>
+                                            <td>
+                                                @if (string.IsNullOrEmpty(obs.AbnormalFlag) || obs.AbnormalFlag == "N")
+                                                {
+                                                    <span class="badge bg-success">Normal</span>
+                                                }
+                                                else if (obs.AbnormalFlag == "H")
+                                                {
+                                                    <span class="badge bg-danger">High</span>
+                                                }
+                                                else if (obs.AbnormalFlag == "L")
+                                                {
+                                                    <span class="badge bg-warning">Low</span>
+                                                }
+                                                else
+                                                {
+                                                    <span class="badge bg-dark">@obs.AbnormalFlag</span>
+                                                }
+                                            </td>
+                                            <td>
+                                                @if (obs.ResultStatus == "F")
+                                                {
+                                                    <span class="badge bg-success">Final</span>
+                                                }
+                                                else if (obs.ResultStatus == "P")
+                                                {
+                                                    <span class="badge bg-warning">Preliminary</span>
+                                                }
+                                                else if (obs.ResultStatus == "C")
+                                                {
+                                                    <span class="badge bg-info">Corrected</span>
+                                                }
+                                                else
+                                                {
+                                                    <span class="badge bg-secondary">@obs.ResultStatus</span>
+                                                }
+                                            </td>
+                                            <td>
+                                                @obs.Message.Timestamp.ToString("yyyy-MM-dd")
+                                                <br />
+                                                <small class="text-muted">@obs.Message.Timestamp.ToString("HH:mm:ss")</small>
+                                            </td>
+                                        </tr>
+                                    }
+                                </tbody>
+                            </table>
+                        </div>
+                    }
+                    else
+                    {
+                        <div class="alert alert-info mb-0">
+                            <strong>No observations found.</strong> Lab observations will appear here once HL7 messages with OBX segments are processed.
+                        </div>
+                    }
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <!-- Statistics -->
+    @if (Model.Any())
+    {
+        var abnormalCount = Model.Count(o => !string.IsNullOrEmpty(o.AbnormalFlag) && o.AbnormalFlag != "N");
+        var finalCount = Model.Count(o => o.ResultStatus == "F");
+        var uniqueTests = Model.Select(o => o.ObservationCode).Distinct().Count();
+
+        @* <div class="row mt-4">
+            <div class="col-md-4 mb-3">
+                <div class="card text-white bg-success">
+                    <div class="card-body text-center">
+                        <h3>@Model.Count()</h3>
+                        <p class="mb-0">Total Observations</p>
+                    </div>
+                </div>
+            </div>
+            <div class="col-md-4 mb-3">
+                <div class="card text-white bg-warning">
+                    <div class="card-body text-center">
+                        <h3>@abnormalCount</h3>
+                        <p class="mb-0">Abnormal Results</p>
+                    </div>
+                </div>
+            </div>
+            <div class="col-md-4 mb-3">
+                <div class="card text-white bg-info">
+                    <div class="card-body text-center">
+                        <h3>@uniqueTests</h3>
+                        <p class="mb-0">Unique Test Types</p>
+                    </div>
+                </div>
+            </div>
+        </div> *@
+
+        <!-- Common Test Types -->
+        <div class="row">
+            <div class="col-12">
+                <div class="card">
+                    <div class="card-header bg-white">
+                        <h5 class="mb-0">Test Type Distribution</h5>
+                    </div>
+                    <div class="card-body">
+                        <div class="row">
+                            @foreach (var testGroup in Model.GroupBy(o => o.ObservationCode).OrderByDescending(g => g.Count()).Take(6))
+                            {
+                                <div class="col-md-4 mb-3">
+                                    <div class="d-flex justify-content-between align-items-center">
+                                        <span class="badge bg-secondary">@testGroup.Key</span>
+                                        <span class="badge bg-primary">@testGroup.Count() results</span>
+                                    </div>
+                                </div>
+                            }
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    }
+
+    <div class="row mt-3">
+        <div class="col-12">
+            <a asp-controller="Home" asp-action="Index" class="btn btn-secondary">
+                <i class="bi bi-arrow-left"></i> Back to Dashboard
+            </a>
+        </div>
+    </div>
+</div>
+
+@section Scripts {
+    <script>
+        @if (Model.Any())
+        {
+            <text>
+            $(document).ready(function() {
+                var filterHtml = '<div class="row mb-3">' +
+                    '<div class="col-md-8"><input type="text" id="searchInput" class="form-control" placeholder="Search observations..."></div>' +
+                    '<div class="col-md-4">' +
+                    '<select id="statusFilter" class="form-select">' +
+                    '<option value="">All Statuses</option>' +
+                    '<option value="Normal">Normal Only</option>' +
+                    '<option value="Abnormal">Abnormal Only</option>' +
+                    '</select>' +
+                    '</div>' +
+                    '</div>';
+
+                $('#observationsTable').before(filterHtml);
+
+                // Search functionality
+                $('#searchInput').on('keyup', function() {
+                    var value = $(this).val().toLowerCase();
+                    $('#observationsTable tbody tr').filter(function() {
+                        var matchesSearch = $(this).text().toLowerCase().indexOf(value) > -1;
+                        var statusFilter = $('#statusFilter').val();
+                        var matchesStatus = true;
+
+                        if (statusFilter === 'Normal') {
+                            matchesStatus = $(this).find('.badge.bg-success').length > 0;
+                        } else if (statusFilter === 'Abnormal') {
+                            matchesStatus = $(this).find('.badge.bg-danger, .badge.bg-warning').length > 0;
+                        }
+
+                        $(this).toggle(matchesSearch && matchesStatus);
+                    });
+                });
+
+                // Status filter
+                $('#statusFilter').on('change', function() {
+                    $('#searchInput').trigger('keyup');
+                });
+            });
+            </text>
+        }
+    </script>
+}

Views/Home/Patients.cshtml

@@ -0,0 +1,112 @@
+@model IEnumerable<SimpleLIS.Models.Patient>
+@{
+    ViewData["Title"] = "Patients";
+}
+
+<div class="container-fluid">
+    <div class="row mb-4">
+        <div class="col-12">
+            <h1 class="display-4 mb-0">Patients</h1>
+            <p class="text-muted">All registered patients in the system</p>
+        </div>
+    </div>
+
+    <div class="row">
+        <div class="col-12">
+            <div class="card">
+                <div class="card-header bg-white d-flex justify-content-between align-items-center">
+                    <h5 class="mb-0">Patient List</h5>
+                    <span class="badge bg-primary">@Model.Count() Total</span>
+                </div>
+                <div class="card-body">
+                    @if (Model.Any())
+                    {
+                        <div class="table-responsive">
+                            <table class="table table-striped table-hover" id="patientsTable">
+                                <thead>
+                                    <tr>
+                                        <th>Patient ID</th>
+                                        <th>HL7 Patient ID</th>
+                                        <th>Name</th>
+                                        <th>Date of Birth</th>
+                                        <th>Age</th>
+                                        <th>Gender</th>
+                                        <th>Messages</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    @foreach (var patient in Model)
+                                    {
+                                        var age = DateTime.Now.Year - patient.DateOfBirth.Year;
+                                        if (DateTime.Now.DayOfYear < patient.DateOfBirth.DayOfYear) age--;
+
+                                        <tr>
+                                            <td><code>@patient.PatientId</code></td>
+                                            <td><code>@patient.HL7PatientId</code></td>
+                                            <td>
+                                                <strong>@patient.LastName, @patient.FirstName</strong>
+                                            </td>
+                                            <td>@patient.DateOfBirth.ToString("yyyy-MM-dd")</td>
+                                            <td>@age years</td>
+                                            <td>
+                                                @if (patient.Gender?.ToUpper() == "M")
+                                                {
+                                                    <span class="badge bg-primary">Male</span>
+                                                }
+                                                else if (patient.Gender?.ToUpper() == "F")
+                                                {
+                                                    <span class="badge bg-danger">Female</span>
+                                                }
+                                                else
+                                                {
+                                                    <span class="badge bg-secondary">@patient.Gender</span>
+                                                }
+                                            </td>
+                                            <td>
+                                                <span class="badge bg-info">@patient.Messages.Count messages</span>
+                                            </td>
+                                        </tr>
+                                    }
+                                </tbody>
+                            </table>
+                        </div>
+                    }
+                    else
+                    {
+                        <div class="alert alert-info mb-0">
+                            <strong>No patients found.</strong> Send HL7 messages through Mirth Connect to populate patient data.
+                        </div>
+                    }
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <div class="row mt-3">
+        <div class="col-12">
+            <a asp-controller="Home" asp-action="Index" class="btn btn-secondary">
+                <i class="bi bi-arrow-left"></i> Back to Dashboard
+            </a>
+        </div>
+    </div>
+</div>
+
+@section Scripts {
+    <script>
+        @if (Model.Any())
+        {
+            <text>
+            $(document).ready(function() {
+                $('#patientsTable').before('<div class="mb-3"><input type="text" id="searchInput" class="form-control" placeholder="Search patients..."></div>');
+
+                $('#searchInput').on('keyup', function() {
+                    var value = $(this).val().toLowerCase();
+                    $('#patientsTable tbody tr').filter(function() {
+                        $(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
+                    });
+                });
+            });
+            </text>
+        }
+    </script>
+}

Views/Shared/_Layout.cshtml

@@ -5,6 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>@ViewData["Title"] - SimpleLIS</title>
     <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" />
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css" />
     <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
     <link rel="stylesheet" href="~/SimpleLIS.styles.css" asp-append-version="true" />
 </head>
@@ -20,10 +21,31 @@
                 <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
                     <ul class="navbar-nav flex-grow-1">
                         <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
+                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">
+                                <i class="bi bi-speedometer2"></i> Dashboard
+                            </a>
                         </li>
                         <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
+                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Patients">
+                                <i class="bi bi-people"></i> Patients
+                            </a>
+                        </li>
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Messages">
+                                <i class="bi bi-envelope"></i> Messages
+                            </a>
+                        </li>
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Observations">
+                                <i class="bi bi-clipboard2-pulse"></i> Observations
+                            </a>
+                        </li>
+                    </ul>
+                    <ul class="navbar-nav">
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" href="/swagger" target="_blank">
+                                <i class="bi bi-code-square"></i> API Docs
+                            </a>
                         </li>
                     </ul>
                 </div>