improvement: v1 standalone treatment/case creation made possible.

backend/src/common/errors/error-codes.ts

@@ -149,7 +149,16 @@ export const ErrorCode = {
   TREATMENT_CASE_INVALID_ATTACHMENTS: 'TREATMENT_CASE_INVALID_ATTACHMENTS',
   TREATMENT_TOOTH_PROSTHESIS_INCOMPLETE: 'TREATMENT_TOOTH_PROSTHESIS_INCOMPLETE',
   TREATMENT_DETAIL_SENT: 'TREATMENT_DETAIL_SENT',
+  TREATMENT_NOT_FOUND: 'TREATMENT_NOT_FOUND',
+  TREATMENT_PATIENT_OR_WALK_IN: 'TREATMENT_PATIENT_OR_WALK_IN',
+  TREATMENT_NOT_STANDALONE: 'TREATMENT_NOT_STANDALONE',
+  TREATMENT_HAS_DETAILS: 'TREATMENT_HAS_DETAILS',
   LAB_CASE_NOT_FOUND: 'LAB_CASE_NOT_FOUND',
+  LAB_CASE_NOT_EDITABLE: 'LAB_CASE_NOT_EDITABLE',
+  LAB_CASE_ALREADY_STARTED: 'LAB_CASE_ALREADY_STARTED',
+  LAB_CASE_LINES_REQUIRED: 'LAB_CASE_LINES_REQUIRED',
+  LAB_CASE_START_INCOMPLETE: 'LAB_CASE_START_INCOMPLETE',
+  LAB_CASE_CLIENT_REQUIRED: 'LAB_CASE_CLIENT_REQUIRED',
 
   TASK_ASSIGNEE_INVALID: 'TASK_ASSIGNEE_INVALID',
   TASK_ASSIGNED_TO_OTHER: 'TASK_ASSIGNED_TO_OTHER',

backend/src/common/walk-in-patient.ts

@@ -0,0 +1,40 @@
+import type { Prisma } from '@prisma/client';
+import type { PrismaService } from '../../prisma/prisma.service';
+
+export const WALK_IN_MOBILE_PREFIX = '__walkin__:';
+
+export function walkInMobileForOrganization(organizationId: string): string {
+  return `${WALK_IN_MOBILE_PREFIX}${organizationId}`;
+}
+
+export function isWalkInMobile(mobile: string): boolean {
+  return mobile.startsWith(WALK_IN_MOBILE_PREFIX);
+}
+
+type PrismaClientLike = PrismaService | Prisma.TransactionClient;
+
+/** One sentinel Patient per clinic for treatments without a named patient. */
+export async function ensureWalkInPatient(
+  prisma: PrismaClientLike,
+  organizationId: string,
+): Promise<{ id: string; isWalkIn: true }> {
+  const existing = await prisma.patient.findFirst({
+    where: { createdByOrganizationId: organizationId, isWalkIn: true },
+    select: { id: true },
+  });
+  if (existing) {
+    return { id: existing.id, isWalkIn: true };
+  }
+
+  const created = await prisma.patient.create({
+    data: {
+      firstName: 'Walk-in',
+      lastName: 'Walk-in',
+      mobile: walkInMobileForOrganization(organizationId),
+      isWalkIn: true,
+      createdByOrganizationId: organizationId,
+    },
+    select: { id: true },
+  });
+  return { id: created.id, isWalkIn: true };
+}