taks-p.4.3

src/features/crm/quotations/document/server/page-resolver.ts

@@ -0,0 +1,52 @@
+import type {
+  CompatibleTemplate,
+  ResolvedPage,
+  ResolvedPages,
+  RuntimeIssue,
+  SectionRole,
+} from './runtime-contracts';
+import { SINGLETON_SECTION_ROLES } from './runtime-contracts';
+
+function createByRoleMap(): Partial<Record<SectionRole, ResolvedPage[]>> {
+  return {};
+}
+
+export function resolveTemplatePages(
+  compatibleTemplate: CompatibleTemplate,
+): ResolvedPages {
+  const byRole = createByRoleMap();
+  const issues: RuntimeIssue[] = [...compatibleTemplate.issues];
+  const all: ResolvedPage[] = compatibleTemplate.pages.map((page) => ({ ...page }));
+
+  for (const page of all) {
+    for (const role of page.roles) {
+      const pages = byRole[role] ?? [];
+      pages.push(page);
+      byRole[role] = pages;
+    }
+  }
+
+  for (const [role, pages] of Object.entries(byRole) as Array<
+    [SectionRole, ResolvedPage[]]
+  >) {
+    if (!SINGLETON_SECTION_ROLES.has(role) || pages.length <= 1) {
+      continue;
+    }
+
+    issues.push({
+      code: 'DUPLICATE_MARKER',
+      severity: 'error',
+      message: 'PDF template resolves multiple singleton section pages.',
+      details: {
+        role,
+        pageIndexes: pages.map((page) => page.pageIndex),
+      },
+    });
+  }
+
+  return {
+    all,
+    byRole,
+    issues,
+  };
+}