From 335eb9fcf720bab488414b56900831946b32c715 Mon Sep 17 00:00:00 2001
From: mgtennant <100305096+mgtennant@users.noreply.github.com>
Date: Thu, 11 Apr 2024 11:26:11 -0700
Subject: [PATCH] uncomment document preview

---
 backend/src/admin/admin.controller.ts | 36 ++++++++--------
 backend/src/admin/admin.service.ts    | 62 +++++++++++++--------------
 2 files changed, 49 insertions(+), 49 deletions(-)

diff --git a/backend/src/admin/admin.controller.ts b/backend/src/admin/admin.controller.ts
index 67a8ac6b..5d931c08 100644
--- a/backend/src/admin/admin.controller.ts
+++ b/backend/src/admin/admin.controller.ts
@@ -61,24 +61,24 @@ export class AdminController {
     });
   }
 
-  // @Get('preview-template/:id')
-  // async previewTemplate(@Param('id') id: number, @Res() res) {
-  //   try {
-  //     const dtObject = await this.adminService.downloadTemplate(id);
-  //     const base64Data = dtObject.the_file;
-  //     const pdfBuffer = await this.adminService.convertDocxToPdfBuffer(base64Data);
-  //     const streamableFile = new stream.PassThrough();
-  //   streamableFile.end(pdfBuffer);
-  //   res.set({
-  //     'Content-Type': 'application/pdf',
-  //     'Content-Disposition': 'attachment; filename=file.pdf',
-  //   });
-  //   streamableFile.pipe(res);
-  //   } catch (error) {
-  //     console.error('Error:', error);
-  //     res.status(500).send('Internal Server Error');
-  //   }
-  // }
+  @Get('preview-template/:id')
+  async previewTemplate(@Param('id') id: number, @Res() res) {
+    try {
+      const dtObject = await this.adminService.downloadTemplate(id);
+      const base64Data = dtObject.the_file;
+      const pdfBuffer = await this.adminService.convertDocxToPdfBuffer(base64Data);
+      const streamableFile = new stream.PassThrough();
+      streamableFile.end(pdfBuffer);
+      res.set({
+        'Content-Type': 'application/pdf',
+        'Content-Disposition': 'attachment; filename=file.pdf',
+      });
+      streamableFile.pipe(res);
+    } catch (error) {
+      console.error('Error:', error);
+      res.status(500).send('Internal Server Error');
+    }
+  }
 
   @Get('download-template/:id')
   async downloadTemplate(@Param('id') id: number, @Res() res) {
diff --git a/backend/src/admin/admin.service.ts b/backend/src/admin/admin.service.ts
index 4c040287..00a0d3aa 100644
--- a/backend/src/admin/admin.service.ts
+++ b/backend/src/admin/admin.service.ts
@@ -363,35 +363,35 @@ export class AdminService {
     return header + csvRows.join('\n');
   }
 
-  // async convertDocxToPdfBuffer(base64Data: string): Promise<Buffer> {
-  //    // Decode base64 string
-  //    const buffer = Buffer.from(base64Data, 'base64');
-
-  //    // Write buffer to temporary file
-  //    const tempFilePath = './temp.docx';
-  //    fs.writeFileSync(tempFilePath, buffer);
-
-  //    // Convert DOCX to HTML
-  //    const { value } = await mammoth.convertToHtml({ path: tempFilePath });
-  //    const htmlContent = value;
-
-  //    // Set options for html-pdf
-  //    const options: pdf.CreateOptions = {
-  //        format: 'Letter', // Set the PDF format (e.g., 'A4', 'Letter', etc.)
-  //        base: `file://${__dirname}/`, // Set the base path for local file references
-  //    };
-
-  //    return new Promise<Buffer>((resolve, reject) => {
-  //        // Convert HTML to PDF
-  //        pdf.create(htmlContent, options).toBuffer((err, buffer) => {
-  //            if (err) {
-  //                reject(err);
-  //            } else {
-  //                // Remove temporary file
-  //                fs.unlinkSync(tempFilePath);
-  //                resolve(buffer);
-  //            }
-  //        });
-  //    });
-  // }
+  async convertDocxToPdfBuffer(base64Data: string): Promise<Buffer> {
+    // Decode base64 string
+    const buffer = Buffer.from(base64Data, 'base64');
+
+    // Write buffer to temporary file
+    const tempFilePath = './temp.docx';
+    fs.writeFileSync(tempFilePath, buffer);
+
+    // Convert DOCX to HTML
+    const { value } = await mammoth.convertToHtml({ path: tempFilePath });
+    const htmlContent = value;
+
+    // Set options for html-pdf
+    const options: pdf.CreateOptions = {
+      format: 'Letter', // Set the PDF format (e.g., 'A4', 'Letter', etc.)
+      base: `file://${__dirname}/`, // Set the base path for local file references
+    };
+
+    return new Promise<Buffer>((resolve, reject) => {
+      // Convert HTML to PDF
+      pdf.create(htmlContent, options).toBuffer((err, buffer) => {
+        if (err) {
+          reject(err);
+        } else {
+          // Remove temporary file
+          fs.unlinkSync(tempFilePath);
+          resolve(buffer);
+        }
+      });
+    });
+  }
 }