added doc export node

node-red-grist/document-export.html

@@ -0,0 +1,67 @@
+<script type="text/javascript">
+    RED.nodes.registerType('grist-document-export', {
+
+        category: 'grist',
+        color: '#00bb00',
+        defaults: {
+            name: { value: "", required: false },
+            server: { value: "", type: "grist-server", required: true },
+            document: { value: "", type: "grist-document", required: true },
+            format: { value: "excel", required: true },
+        },
+        inputs: 1,
+        outputs: 1,
+        icon: "font-awesome/fa-download",
+        label: function () {
+            return this.name ? this.name : "Export document";
+        },
+        paletteLabel: "Export document",
+        oneditprepare: function () {
+
+        }
+    });
+
+
+</script>
+
+<script type="text/html" data-template-name="grist-document-export">
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+    <div class="form-row">
+        <label for="node-input-document"><i class="fa fa-file-text"></i> Document</label>
+        <input type="text" id="node-input-document" placeholder="Document">
+    </div>
+    <div class="form-row">
+        <label for="node-input-server"><i class="fa fa-server"></i> Server</label>
+        <input type="text" id="node-input-server" placeholder="Server">
+    </div>
+    <div class="form-row">
+        <label for="node-input-format"><i class="fa fa-file-o"></i> Format</label>
+        <select id="node-input-format" name="node-input-format">
+            <option value="sqlite">SQLite</option>
+            <option value="excel">Excel</option>
+        </select>
+    </div>
+</script>
+
+<script type="text/html" data-help-name="grist-document-export">
+    <p>Exports a document in various formats</p>
+    <h3>Inputs</h3>
+    <p>
+        
+    </p>
+    <h3>Outputs</h3>
+    <p>
+       <ul>
+        <li><code>msg.payload.data</code> Binary buffer containing the file contents</li>
+        <li><code>msg.payload.format</code> Selected export format</li>
+       </ul>
+    </p>
+    <h3>Attributes</h3>
+    <p>
+        <code>Format</code> set the export format
+        </p>
+        
+</script>

node-red-grist/document-export.js

@@ -0,0 +1,39 @@
+const fetch = (...args) => import('node-fetch').then(({ default: fetch }) => fetch(...args));
+
+module.exports = function (RED) {
+    function DocumentExportNode(config) {
+        RED.nodes.createNode(this, config);
+        let node = this;
+        this.document = RED.nodes.getNode(config.document);
+        this.server = RED.nodes.getNode(config.server);
+        this.format = config.format
+
+        node.on('input', async function (msg, send, done) {
+            const protocol = this.server.tlsEnabled === true ? "https" : "http";
+            const url = protocol + "://" + this.server.hostname + ":" + this.server.port;
+
+            var requestUrl;
+            switch (this.format) {
+                case "excel": requestUrl = `${url}/api/docs/${this.document.docid}/download`
+                    break;
+                case "sqlite": requestUrl = `${url}/api/docs/${this.document.docid}/download/xlsx`
+                    break;
+                default:
+                    done("Unsupported format " + this.format);
+            }
+
+            fetch(requestUrl, {
+                headers: {
+                    'authorization': `Bearer ${this.server.apiKey}`
+                }
+            }).then(async (response) => {
+                const blob = await response.blob()
+                const arrayBuffer = await blob.arrayBuffer();
+                const buffer = Buffer.from(arrayBuffer);
+                node.send({ ...msg, payload: buffer })
+
+            }).catch(reason => done(reason, "Failed to perform grist request to " + url));
+        });
+    }
+    RED.nodes.registerType("grist-document-export", DocumentExportNode);
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@gorootde/node-red-grist",
-  "version": "2.0.1",
+  "version": "2.1.0",
   "description": "getgrist.com connectivity for NodeRed",
   "main": "index.js",
   "packageManager": "yarn@3.3.1",
@@ -19,6 +19,7 @@
   "node-red": {
     "version": ">=2.0.0",
     "nodes": {
+      "grist-document-export": "node-red-grist/document-export.js",
       "grist-add-records": "node-red-grist/add-records.js",
       "grist-get-records": "node-red-grist/get-records.js",
       "grist-update-records": "node-red-grist/update-records.js",
@@ -31,6 +32,7 @@
   },
   "dependencies": {
     "grist-api": "^0.1.7",
-    "mustache": "^4.2.0"
+    "mustache": "^4.2.0",
+    "node-fetch": "^3.3.2"
   }
 }