Initial commit - SaveTheMoment Atlas Basis-Setup

lib/pdf-template-service.ts

@@ -0,0 +1,171 @@
+import { PDFDocument, rgb, StandardFonts } from 'pdf-lib';
+import { readFile } from 'fs/promises';
+import path from 'path';
+import { formatDate } from './date-utils';
+
+export async function generateContractFromTemplate(
+  booking: any,
+  location: any,
+  photobox: any,
+  signatureData?: string
+) {
+  try {
+    // Load the template PDF
+    const templatePath = path.join(process.cwd(), 'mietvertrag-vorlage.pdf');
+    const templateBytes = await readFile(templatePath);
+    
+    // Load PDF
+    const pdfDoc = await PDFDocument.load(templateBytes);
+    const pages = pdfDoc.getPages();
+    const firstPage = pages[0];
+    
+    // Embed font
+    const font = await pdfDoc.embedFont(StandardFonts.Helvetica);
+    const fontBold = await pdfDoc.embedFont(StandardFonts.HelveticaBold);
+    
+    const { width, height } = firstPage.getSize();
+    
+    // PDF coordinate system: (0,0) is bottom-left, Y increases upwards
+    // A4 page height is ~842 points
+    
+    // Page 1: Customer Info & Table
+    
+    // Customer name (under "und") - around middle of page
+    if (booking.customerName) {
+      firstPage.drawText(booking.customerName, {
+        x: 250,
+        y: 465,
+        size: 10,
+        font: font,
+        color: rgb(0, 0, 0),
+      });
+    }
+    
+    // Customer address (next line)
+    if (booking.customerAddress) {
+      firstPage.drawText(
+        `${booking.customerAddress}, ${booking.customerZip} ${booking.customerCity}`,
+        {
+          x: 250,
+          y: 450,
+          size: 10,
+          font: font,
+          color: rgb(0, 0, 0),
+        }
+      );
+    }
+    
+    // Distance (in "Lieferung inkl. Aufbau" row)
+    if (booking.distance) {
+      const distance = booking.distance || 0;
+      const totalKm = distance * 2;
+      
+      // Fill in the km field
+      firstPage.drawText(`${distance.toFixed(1)}`, {
+        x: 735,
+        y: 95,
+        size: 9,
+        font: font,
+        color: rgb(0, 0, 0),
+      });
+      
+      firstPage.drawText(`${totalKm.toFixed(1)}`, {
+        x: 895,
+        y: 95,
+        size: 9,
+        font: font,
+        color: rgb(0, 0, 0),
+      });
+    }
+    
+    // Event location and date (Section 2 - MIETZWECK) - bottom of page 1
+    if (booking.eventLocation && booking.eventDate) {
+      firstPage.drawText(
+        `${booking.eventLocation} am ${formatDate(booking.eventDate)}`,
+        {
+          x: 100,
+          y: 35,
+          size: 10,
+          font: font,
+          color: rgb(0, 0, 0),
+        }
+      );
+    }
+    
+    // Page 2: Mietzeit & Mietpreis
+    const secondPage = pages[1];
+    
+    // Event date (Section 3 - MIETZEIT)
+    if (booking.eventDate) {
+      secondPage.drawText(formatDate(booking.eventDate), {
+        x: 210,
+        y: height - 85,
+        size: 10,
+        font: font,
+        color: rgb(0, 0, 0),
+      });
+    }
+    
+    // Price (Section 4 - MIETPREIS)
+    if (booking.calculatedPrice) {
+      const price = booking.calculatedPrice.toFixed(2);
+      secondPage.drawText(`${price}`, {
+        x: 475,
+        y: height - 165,
+        size: 10,
+        font: font,
+        color: rgb(0, 0, 0),
+      });
+    }
+    
+    // Signature on last page if provided
+    if (signatureData && pages.length >= 4) {
+      const lastPage = pages[pages.length - 1];
+      
+      // Convert base64 signature to image
+      try {
+        const signatureImage = await pdfDoc.embedPng(signatureData);
+        const signatureDims = signatureImage.scale(0.25);
+        
+        // Right side signature box
+        lastPage.drawImage(signatureImage, {
+          x: 420,
+          y: 120,
+          width: signatureDims.width,
+          height: signatureDims.height,
+        });
+        
+        // Signature name below
+        if (booking.customerName) {
+          lastPage.drawText(booking.customerName, {
+            x: 420,
+            y: 100,
+            size: 10,
+            font: font,
+            color: rgb(0, 0, 0),
+          });
+        }
+        
+        // Signature date and info
+        const sigDate = new Date();
+        lastPage.drawText(`Digital signiert am ${formatDate(sigDate)}`, {
+          x: 420,
+          y: 85,
+          size: 8,
+          font: font,
+          color: rgb(0.4, 0.4, 0.4),
+        });
+      } catch (err) {
+        console.error('Signature embedding error:', err);
+      }
+    }
+    
+    // Serialize the PDF
+    const pdfBytes = await pdfDoc.save();
+    return Buffer.from(pdfBytes);
+    
+  } catch (error) {
+    console.error('PDF generation from template error:', error);
+    throw error;
+  }
+}