PDF generation

src/case-expert-report/case-expert-report-pdf.service.ts

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+import { Injectable } from "@nestjs/common";
+import {
+  createPersianPdfDocument,
+  persianPdfToBuffer,
+} from "src/helpers/persian-pdf-document";
+import {
+  InsurerFileReportPdfResult,
+  InsurerFileReportViewModel,
+} from "./case-expert-report.types";
+import { PR } from "./persian-report-labels";
+
+@Injectable()
+export class CaseExpertReportPdfService {
+  async render(model: InsurerFileReportViewModel): Promise<InsurerFileReportPdfResult> {
+    const pdf = createPersianPdfDocument();
+    pdf.addTitle(model.title);
+    pdf.addKeyValue(PR.publicId, model.publicId);
+    pdf.addKeyValue(PR.requestNo, model.requestNo);
+    pdf.addBlank();
+
+    for (const section of model.sections) {
+      pdf.addSection(section.title);
+      for (const field of section.fields) {
+        pdf.addKeyValue(field.label, field.value);
+      }
+      pdf.addBlank();
+    }
+
+    const buffer = await persianPdfToBuffer(pdf);
+    const safeId = (model.publicId || "file").replace(/[^\w.-]+/g, "_");
+    return {
+      buffer,
+      filename: `insurer-file-report-${safeId}.pdf`,
+    };
+  }
+}