Renamed editMetadata to match V1 naming. Added Operations controller

server-node/src/routes/api/operations-controller.ts

@@ -0,0 +1,66 @@
+
+import Operations from '../../utils/pdf-operations';
+import { respondWithBinaryPdf, response_mustHaveExactlyOneFile } from '../../utils/endpoint-utils';
+
+import express, { Request, Response } from 'express';
+const router = express.Router();
+import multer from 'multer';
+const upload = multer();
+import Joi from 'joi';
+
+router.post('/rotate-pdf', upload.single("pdfFile"), async function(req: Request, res: Response) {
+    const schema = Joi.object({
+        angle: Joi.number().required()
+    });
+    const { error, value } = schema.validate(req.body);
+    if (error) {
+        res.status(400).send(error.details);
+        return;
+    }
+    if (!req.file) {
+        response_mustHaveExactlyOneFile(res);
+        return;
+    }
+
+    const rotated = await Operations.rotatePages(req.file.buffer, value.angle)
+    const newFilename = appendToFilename(req.file.originalname, '_rotated');
+    respondWithBinaryPdf(res, rotated, newFilename);
+});
+
+router.post('/update-metadata', upload.single("pdfFile"), async function(req: Request, res: Response) {
+    const schema = Joi.object({
+        deleteAll: Joi.string(),
+        author: Joi.string(),
+        creationDate: Joi.string(),
+        creator: Joi.string(),
+        keywords: Joi.string(),
+        modificationDate: Joi.string(),
+        producer: Joi.string(),
+        subject: Joi.string(),
+        title: Joi.string(),
+        trapped: Joi.string(),
+        allRequestParams: Joi.object().pattern(Joi.string(), Joi.string()),
+    });
+    const { error, value } = schema.validate(req.body);
+    if (error) {
+        res.status(400).send(error.details);
+        return;
+    }
+    if (!req.file) {
+        response_mustHaveExactlyOneFile(res);
+        return;
+    }
+
+    const processed = await Operations.updateMetadata(req.file.buffer, value.angle)
+    const newFilename = appendToFilename(req.file.originalname, '_edited-metadata');
+    respondWithBinaryPdf(res, processed, newFilename);
+});
+
+/**
+ * appends a string before the last '.' of the given filename
+ */
+function appendToFilename(filename: string, str: string) {
+    return filename.replace(/(\.[^.]+)$/, str+'$1')
+}
+
+export default router;