feature: Ward Gateway Service (Local-First Clinical Path)

2026-06-23 16:45:38 +08:00
parent d8e142fffe
commit 1bf8359097
100 changed files with 5474 additions and 4 deletions
@@ -0,0 +1,87 @@
+using Microsoft.EntityFrameworkCore;
+
+public class EncounterReadService : IEncounterReadService
+{
+    private readonly GatewayDbContext _db;
+
+    public EncounterReadService(GatewayDbContext db) => _db = db;
+
+    public async Task<List<WardEncounterSummary>> ListActiveAsync(string? department)
+    {
+        var q = _db.Encounters
+            .Include(e => e.Patient)
+            .Where(e => e.Status == EncounterStatus.Active);
+
+        if (!string.IsNullOrEmpty(department))
+        {
+            var dept = DepartmentExtensions.FromDbString(department);
+            q = q.Where(e => e.Department == dept);
+        }
+
+        var encounters = await q
+            .OrderByDescending(e => e.AdmittedAt)
+            .ToListAsync();
+
+        if (encounters.Count == 0)
+            return [];
+
+        var encounterIds = encounters.Select(e => e.Id).ToList();
+        var openAlertCounts = await _db.ClinicalAlerts
+            .AsNoTracking()
+            .Where(a => encounterIds.Contains(a.EncounterId) && a.Status == AlertStatus.Open)
+            .GroupBy(a => a.EncounterId)
+            .Select(g => new { EncounterId = g.Key, Count = g.Count() })
+            .ToDictionaryAsync(x => x.EncounterId, x => x.Count);
+
+        return encounters.Select(e => new WardEncounterSummary(
+            e.Id,
+            e.Patient.Mrn,
+            e.Patient.FirstName,
+            e.Patient.LastName,
+            e.Department,
+            e.RoomBed,
+            e.AttendingPhysician,
+            e.AdmittedAt,
+            openAlertCounts.GetValueOrDefault(e.Id),
+            News2Score: null,
+            QsofaScore: null,
+            SepsisBundleStatus: null)).ToList();
+    }
+
+    public async Task<EncounterDetail?> GetByIdAsync(Guid id)
+    {
+        var enc = await _db.Encounters
+            .Include(e => e.Patient)
+            .AsNoTracking()
+            .FirstOrDefaultAsync(e => e.Id == id);
+
+        if (enc is null) return null;
+
+        var observations = await _db.Observations
+            .AsNoTracking()
+            .Where(o => o.EncounterId == id)
+            .OrderByDescending(o => o.RecordedAt)
+            .Take(10)
+            .ToListAsync();
+
+        var alerts = await _db.ClinicalAlerts
+            .AsNoTracking()
+            .Where(a => a.EncounterId == id && a.Status == AlertStatus.Open)
+            .OrderByDescending(a => a.TriggeredAt)
+            .ToListAsync();
+
+        return new EncounterDetail(
+            enc.Id,
+            enc.PatientId,
+            enc.Patient.Mrn,
+            enc.Patient.FirstName,
+            enc.Patient.LastName,
+            enc.Department,
+            enc.Status,
+            enc.RoomBed,
+            enc.AttendingPhysician,
+            enc.AdmittedAt,
+            observations,
+            alerts);
+    }
+}