feat: migrate nextjs to rr7

packages/lib/server-only/pdf/add-rejection-stamp-to-pdf.ts

@@ -0,0 +1,87 @@
+import fontkit from '@pdf-lib/fontkit';
+import type { PDFDocument } from 'pdf-lib';
+import { TextAlignment, rgb, setFontAndSize } from 'pdf-lib';
+
+import { NEXT_PUBLIC_WEBAPP_URL } from '../../constants/app';
+
+/**
+ * Adds a rejection stamp to each page of a PDF document.
+ * The stamp is placed in the center of the page.
+ */
+export async function addRejectionStampToPdf(
+  pdfDoc: PDFDocument,
+  reason: string,
+): Promise<PDFDocument> {
+  const pages = pdfDoc.getPages();
+  pdfDoc.registerFontkit(fontkit);
+
+  const fontBytes = await fetch(`${NEXT_PUBLIC_WEBAPP_URL()}/fonts/noto-sans.ttf`).then(
+    async (res) => res.arrayBuffer(),
+  );
+
+  const font = await pdfDoc.embedFont(fontBytes, {
+    customName: 'Noto',
+  });
+
+  const form = pdfDoc.getForm();
+
+  for (let i = 0; i < pages.length; i++) {
+    const page = pages[i];
+    const { width, height } = page.getSize();
+
+    // Draw the "REJECTED" text
+    const rejectedTitleText = 'DOCUMENT REJECTED';
+    const rejectedTitleFontSize = 36;
+    const rejectedTitleTextField = form.createTextField(`internal-document-rejected-title-${i}`);
+
+    if (!rejectedTitleTextField.acroField.getDefaultAppearance()) {
+      rejectedTitleTextField.acroField.setDefaultAppearance(
+        setFontAndSize('Noto', rejectedTitleFontSize).toString(),
+      );
+    }
+
+    rejectedTitleTextField.updateAppearances(font);
+
+    rejectedTitleTextField.setFontSize(rejectedTitleFontSize);
+    rejectedTitleTextField.setText(rejectedTitleText);
+    rejectedTitleTextField.setAlignment(TextAlignment.Center);
+
+    const rejectedTitleTextWidth =
+      font.widthOfTextAtSize(rejectedTitleText, rejectedTitleFontSize) * 1.2;
+    const rejectedTitleTextHeight = font.heightAtSize(rejectedTitleFontSize);
+
+    // Calculate the center position of the page
+    const centerX = width / 2;
+    const centerY = height / 2;
+
+    // Position the title text at the center of the page
+    const rejectedTitleTextX = centerX - rejectedTitleTextWidth / 2;
+    const rejectedTitleTextY = centerY - rejectedTitleTextHeight / 2;
+
+    // Add padding for the rectangle
+    const padding = 20;
+
+    // Draw the stamp background
+    page.drawRectangle({
+      x: rejectedTitleTextX - padding / 2,
+      y: rejectedTitleTextY - padding / 2,
+      width: rejectedTitleTextWidth + padding,
+      height: rejectedTitleTextHeight + padding,
+      borderColor: rgb(220 / 255, 38 / 255, 38 / 255),
+      borderWidth: 4,
+    });
+
+    rejectedTitleTextField.addToPage(page, {
+      x: rejectedTitleTextX,
+      y: rejectedTitleTextY,
+      width: rejectedTitleTextWidth,
+      height: rejectedTitleTextHeight,
+      textColor: rgb(220 / 255, 38 / 255, 38 / 255),
+      backgroundColor: undefined,
+      borderWidth: 0,
+      borderColor: undefined,
+    });
+  }
+
+  return pdfDoc;
+}