Initial commit — DLS lab-app Flutter project

lib/models/patient.dart

@@ -0,0 +1,49 @@
+class Patient {
+  const Patient({
+    required this.id,
+    required this.tenantId,
+    required this.patientCode,
+    this.firstName,
+    this.lastName,
+    this.birthDate,
+    this.phone,
+    this.notes,
+  });
+
+  final String id;
+  final String tenantId;
+  final String patientCode;
+  final String? firstName;
+  final String? lastName;
+  final String? birthDate;
+  final String? phone;
+  final String? notes;
+
+  String get displayName {
+    final parts = [firstName, lastName].where((s) => s != null && s.isNotEmpty);
+    return parts.isEmpty ? patientCode : parts.join(' ');
+  }
+
+  factory Patient.fromJson(Map<String, dynamic> j) => Patient(
+        id: j['id'] as String,
+        tenantId: j['tenant_id'] is Map
+            ? (j['tenant_id'] as Map)['id'] as String
+            : j['tenant_id'] as String,
+        patientCode: j['patient_code'] as String,
+        firstName: j['first_name'] as String?,
+        lastName: j['last_name'] as String?,
+        birthDate: j['birth_date'] as String?,
+        phone: j['phone'] as String?,
+        notes: j['notes'] as String?,
+      );
+
+  Map<String, dynamic> toJson() => {
+        'tenant_id': tenantId,
+        'patient_code': patientCode,
+        if (firstName != null) 'first_name': firstName,
+        if (lastName != null) 'last_name': lastName,
+        if (birthDate != null) 'birth_date': birthDate,
+        if (phone != null) 'phone': phone,
+        if (notes != null) 'notes': notes,
+      };
+}