1.5.2

- feat: order confirmation PDF generation with VAT support
- feat: order confirmation modal with custom item editing
- fix: attendance negative duration clamping and switchProject timing
- fix: Quill editor locked to Tahoma 14px, PDF heading sizes
- fix: invoice/offer PDF font consistency (Tahoma enforcement)
- fix: invoice alert cron improvements
- fix: NAS financials manager edge cases
- refactor: numbering service with unique sequence constraints

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/services/projects.service.ts

@@ -1,5 +1,9 @@
 import prisma from "../config/database";
-import { generateSharedNumber } from "./numbering.service";
+import {
+  generateSharedNumber,
+  previewSharedNumber,
+  releaseSharedNumber,
+} from "./numbering.service";
 import { NasFileManager } from "./nas-file-manager";
 
 const nasFileManager = new NasFileManager();
@@ -93,9 +97,14 @@ export async function getProject(id: number) {
 }
 
 export async function createProject(body: Record<string, any>) {
+  const projectNumber =
+    body.project_number !== undefined && body.project_number !== null
+      ? String(body.project_number)
+      : await generateSharedNumber();
+
   const project = await prisma.projects.create({
     data: {
-      project_number: body.project_number ? String(body.project_number) : null,
+      project_number: projectNumber,
       name: body.name ? String(body.name) : null,
       customer_id: body.customer_id ? Number(body.customer_id) : null,
       responsible_user_id: body.responsible_user_id
@@ -124,8 +133,15 @@ export async function updateProject(id: number, body: Record<string, any>) {
   const existing = await prisma.projects.findUnique({ where: { id } });
   if (!existing) return null;
 
+  if (
+    body.project_number !== undefined &&
+    String(body.project_number) !== existing.project_number
+  ) {
+    return { error: "Číslo projektu nelze změnit", status: 400 };
+  }
+
   const data: Record<string, unknown> = { modified_at: new Date() };
-  const strFields = ["project_number", "name", "status", "notes"];
+  const strFields = ["name", "status", "notes"];
   for (const f of strFields)
     if (body[f] !== undefined) data[f] = body[f] ? String(body[f]) : null;
   if (body.customer_id !== undefined)
@@ -148,13 +164,14 @@ export async function updateProject(id: number, body: Record<string, any>) {
   await prisma.projects.update({ where: { id }, data });
 
   if (
-    existing.name !== data.name &&
+    body.name !== undefined &&
+    existing.name !== body.name &&
     existing.project_number &&
     nasFileManager.isConfigured()
   ) {
     nasFileManager.renameProjectFolder(
       existing.project_number,
-      String(data.name || ""),
+      String(body.name || ""),
     );
   }
 
@@ -171,6 +188,12 @@ export async function deleteProject(id: number, deleteFiles: boolean = false) {
   }
 
   await prisma.projects.delete({ where: { id } });
+
+  const year = existing.created_at
+    ? new Date(existing.created_at).getFullYear()
+    : new Date().getFullYear();
+  await releaseSharedNumber(year);
+
   return existing;
 }
 
@@ -205,5 +228,5 @@ export async function deleteProjectNote(projectId: number, noteId: number) {
 }
 
 export async function getNextProjectNumber() {
-  return generateSharedNumber();
+  return previewSharedNumber();
 }