Docusign - Download Documents

components/docusign/actions/download-documents/download-documents.mjs

@@ -0,0 +1,111 @@
+import docusign from "../../docusign.app.mjs";
+import fs from "fs";
+
+export default {
+  key: "docusign-download-documents",
+  name: "Download Documents",
+  description: "Download the documents of an envelope to the /tmp directory. [See the documentation here](https://developers.docusign.com/docs/esign-rest-api/how-to/download-envelope-documents/)",
+  version: "0.0.1",
+  type: "action",
+  props: {
+    docusign,
+    account: {
+      propDefinition: [
+        docusign,
+        "account",
+      ],
+    },
+    envelopeId: {
+      type: "string",
+      label: "Envelope ID",
+      description: "Identifier of the envelope to download documents from",
+      async options({ prevContext }) {
+        const baseUri = await this.docusign.getBaseUri({
+          accountId: this.account,
+        });
+        const { startPosition } = prevContext;
+        const {
+          envelopes = [], nextUri, endPosition,
+        } = await this.docusign.listEnvelopes(baseUri, {
+          start_position: startPosition,
+          from_date: "2000-01-01",
+        });
+        return {
+          options: envelopes.map(({
+            envelopeId: value, emailSubject: label,
+          }) => ({
+            label,
+            value,
+          })),
+          context: {
+            startPosition: nextUri
+              ? endPosition + 1
+              : undefined,
+          },
+        };
+      },
+    },
+    downloadType: {
+      type: "string",
+      label: "Download Type",
+      description: "Download envelope documents to the `/tmp` directory",
+      options: [
+        {
+          label: "All Documents (PDF)",
+          value: "combined",
+        },
+        {
+          label: "All Documents (Zip)",
+          value: "archive",
+        },
+        {
+          label: "Certificate (PDF)",
+          value: "certificate",
+        },
+        {
+          label: "Portfolio (PDF)",
+          value: "portfolio",
+        },
+      ],
+    },
+    filename: {
+      type: "string",
+      label: "Filename",
+      description: "The filename to save the file as in the `/tmp` directory including the file extension (.pdf or .zip)",
+    },
+  },
+  methods: {
+    getEnvelope($, baseUri, envelopeId) {
+      return this.docusign._makeRequest({
+        $,
+        config: {
+          url: `${baseUri}envelopes/${envelopeId}`,
+        },
+      });
+    },
+    async downloadToTmp($, baseUri, documentsUri, filePath) {
+      const content = await this.docusign._makeRequest({
+        $,
+        config: {
+          url: `${baseUri}${documentsUri.slice(1)}/${this.downloadType}`,
+          responseType: "arraybuffer",
+        },
+      });
+      const rawcontent = content.toString("base64");
+      const buffer = Buffer.from(rawcontent, "base64");
+      fs.writeFileSync(filePath, buffer);
+    },
+  },
+  async run({ $ }) {
+    const baseUri = await this.docusign.getBaseUri({
+      accountId: this.account,
+    });
+    const envelope = await this.getEnvelope($, baseUri, this.envelopeId);
+    const filePath = `/tmp/${this.filename}`;
+    await this.downloadToTmp($, baseUri, envelope.documentsUri, filePath);
+
+    $.export("$summary", `Successfully downloaded files to ${filePath}`);
+
+    return filePath;
+  },
+};

components/docusign/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@pipedream/docusign",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Pipedream Docusign Components",
   "main": "docusign.app.mjs",
   "keywords": [