Add files via upload

Author: Dmitriy-Xawstov

UsesCases/Stamps/add/appendDocumentStamps.js

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+// 1. Load your Application Secret and Key from the JSON file or set credentials in another way
+// 2. Create an object to connect to the Pdf.Cloud API
+// 3. Upload your document file
+// 4. Create a new Link Annotation with the required properties
+// 5. Append new Link Annotation to the document using postPageLinkAnnotations() function
+// 6. Perform some action after successful addition
+// All values of variables starting with "YOUR_****" should be replaced by real user values
+
+import credentials from "../../../../Credentials/credentials.json"  with { type: "json" };
+import fs from 'node:fs/promises';
+import path from 'node:path';
+import { PdfApi } from "../../../src/api/api.js";
+import { Stamp } from "../../../src/models/stamp.js"; 
+
+const configParams = {
+    LOCAL_FOLDER: "C:\\Samples\\",
+    PDF_DOCUMENT_NAME: "sample.pdf",
+    IMAGE_STAMP_FILE: "sample.png",
+    LOCAL_RESULT_DOCUMENT_NAME: "output_sample.pdf",
+    PAGE_NUMBER: 2,     // Your document page number...
+    IMAGE_STAMP_LLY: 800,
+    IMAGE_STAMP_WIDTH: 24,
+    IMAGE_STAMP_HEIGHT: 24,
+};
+
+const pdfApi = new PdfApi(credentials.id, credentials.key);
+
+const pdfStamps = {
+    async uploadFile (fileName) {
+        const fileNamePath = path.join(configParams.LOCAL_FOLDER, fileName);
+        const pdfFileData = await fs.readFile(fileNamePath);
+        await pdfApi.uploadFile(fileName, pdfFileData);
+    },
+                    
+    async downloadResult () {
+        const changedPdfData = await pdfApi.downloadFile(configParams.PDF_DOCUMENT_NAME);
+        const filePath = path.join(configParams.LOCAL_FOLDER, configParams.LOCAL_RESULT_DOCUMENT_NAME);
+        await fs.writeFile(filePath, changedPdfData.body);
+        console.log("Downloaded: " + filePath);
+    },
+
+    async uploadDocument () {
+        await this.uploadFile(configParams.PDF_DOCUMENT_NAME);
+    },
+
+    addStamps: async function () {
+
+        const textStamp = new Stamp();
+        textStamp.type = "Text";
+        textStamp.background = true;
+        textStamp.horizontalAlignment = "Center";
+        textStamp.textAlignment = "Center";
+        textStamp.value = "NEW TEXT STAMP";
+
+        const imageStamp = new Stamp();
+        imageStamp.type = "Image";
+        imageStamp.background = true;
+        imageStamp.horizontalAlignment = "Center";
+        imageStamp.textAlignment = "Center";
+        imageStamp.value = "NEW IMAGE STAMP";
+        imageStamp.fileName = configParams.IMAGE_STAMP_FILE;
+        imageStamp.yIndent = configParams.IMAGE_STAMP_LLY;
+        imageStamp.width = configParams.IMAGE_STAMP_WIDTH;
+        imageStamp.height = configParams.IMAGE_STAMP_HEIGHT;
+
+        const addResult = await pdfApi.postDocumentTextStamps(configParams.PDF_DOCUMENT_NAME, [ textStamp ])
+            .then(async () => {
+                return await pdfApi.postDocumentImageStamps(configParams.PDF_DOCUMENT_NAME, [ imageStamp ]);
+            });
+
+        if (addResult.body.code == 200) {
+            console.log("Text and image stamps added!");
+            return true;
+        }
+        else
+            console.error("Unexpected error : can't get pages!!!");
+    },
+}
+
+async function main() {
+    try {
+        await pdfStamps.uploadDocument();
+        await pdfStamps.uploadFile(configParams.IMAGE_STAMP_FILE);
+        await pdfStamps.addStamps();
+        await pdfStamps.downloadResult();
+    } catch (error) {
+        console.error("Error:", error.message);
+    }
+}
+
+main();