Upgraded API Request Node
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////////// PROJECT FILE SEPARATION LINE ////////// CODE AFTER THIS LINE ARE FROM: <ProjectRoot>/Data/WebUI/src/nodes/Data Collection/Node_API_Request.jsx
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import React, { useState, useEffect, useRef } from "react";
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import { Handle, Position, useReactFlow, useStore } from "reactflow";
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// API Request Node (Modern, Sidebar Config Enabled)
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const APIRequestNode = ({ id, data }) => {
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const { setNodes } = useReactFlow();
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const edges = useStore((state) => state.edges);
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if (!window.BorealisValueBus) window.BorealisValueBus = {};
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const [url, setUrl] = useState(data?.url || "http://localhost:5000/health");
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const [editUrl, setEditUrl] = useState(data?.url || "http://localhost:5000/health");
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const [useProxy, setUseProxy] = useState(data?.useProxy ?? true);
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const [body, setBody] = useState(data?.body || "");
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const [intervalSec, setIntervalSec] = useState(data?.intervalSec ?? 10);
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// Use config values, but coerce types
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const url = data?.url || "http://localhost:5000/health";
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// Note: Store useProxy as a string ("true"/"false"), convert to boolean for logic
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const useProxy = (data?.useProxy ?? "true") === "true";
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const body = data?.body || "";
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const intervalSec = parseInt(data?.intervalSec || "10", 10) || 10;
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// Status State
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const [error, setError] = useState(null);
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const [statusCode, setStatusCode] = useState(null);
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const [statusText, setStatusText] = useState("");
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const resultRef = useRef(null);
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const handleUrlInputChange = (e) => setEditUrl(e.target.value);
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const handleToggleProxy = (e) => {
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const flag = e.target.checked;
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setUseProxy(flag);
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setNodes((nds) =>
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nds.map((n) => (n.id === id ? { ...n, data: { ...n.data, useProxy: flag } } : n))
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);
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};
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const handleUpdateUrl = () => {
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setUrl(editUrl);
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setError(null);
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setStatusCode(null);
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setStatusText("");
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resultRef.current = null;
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window.BorealisValueBus[id] = undefined;
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setNodes((nds) =>
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nds.map((n) =>
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n.id === id
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? { ...n, data: { ...n.data, url: editUrl, result: undefined } }
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: n
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)
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);
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};
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const handleBodyChange = (e) => {
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const newBody = e.target.value;
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setBody(newBody);
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setNodes((nds) =>
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nds.map((n) => (n.id === id ? { ...n, data: { ...n.data, body: newBody } } : n))
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);
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};
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const handleIntervalChange = (e) => {
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const sec = parseInt(e.target.value, 10) || 1;
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setIntervalSec(sec);
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setNodes((nds) =>
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nds.map((n) =>
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n.id === id ? { ...n, data: { ...n.data, intervalSec: sec } } : n
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)
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);
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};
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useEffect(() => {
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let cancelled = false;
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@ -69,12 +29,9 @@ const APIRequestNode = ({ id, data }) => {
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try {
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setError(null);
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// Allow dynamic URL override from upstream node (if present)
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const inputEdge = edges.find((e) => e.target === id);
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const upstreamUrl = inputEdge ? window.BorealisValueBus[inputEdge.source] : null;
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if (upstreamUrl && upstreamUrl !== editUrl) {
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setEditUrl(upstreamUrl);
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}
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const resolvedUrl = upstreamUrl || url;
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let target = useProxy ? `/api/proxy?url=${encodeURIComponent(resolvedUrl)}` : resolvedUrl;
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@ -126,119 +83,111 @@ const APIRequestNode = ({ id, data }) => {
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};
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}, [url, body, intervalSec, useProxy, id, setNodes, edges]);
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// Upstream disables direct editing of URL in the UI
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const inputEdge = edges.find((e) => e.target === id);
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const hasUpstream = Boolean(inputEdge && inputEdge.source);
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// -- Node Card Render (minimal: sidebar handles config) --
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return (
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<div className="borealis-node">
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<Handle type="target" position={Position.Left} className="borealis-handle" />
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<div className="borealis-node-header">API Request</div>
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<div className="borealis-node-content">
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<label style={{ fontSize: "9px", display: "block", marginBottom: "4px" }}>Request URL:</label>
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<input
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type="text"
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value={editUrl}
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onChange={handleUrlInputChange}
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disabled={hasUpstream}
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style={{
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fontSize: "9px",
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padding: "4px",
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width: "100%",
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background: hasUpstream ? "#2a2a2a" : "#1e1e1e",
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color: "#ccc",
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border: "1px solid #444",
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borderRadius: "2px"
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}}
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/>
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<button
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onClick={handleUpdateUrl}
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disabled={hasUpstream}
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style={{
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fontSize: "9px",
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marginTop: "6px",
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padding: "2px 6px",
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background: "#333",
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color: "#ccc",
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border: "1px solid #444",
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borderRadius: "2px",
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cursor: hasUpstream ? "not-allowed" : "pointer"
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}}
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>
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Update URL
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</button>
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<div style={{ marginTop: "6px" }}>
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<input
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id={`${id}-proxy-toggle`}
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type="checkbox"
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checked={useProxy}
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onChange={handleToggleProxy}
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/>
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<label
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htmlFor={`${id}-proxy-toggle`}
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title="Query a remote API server using internal Borealis mechanisms to bypass CORS limitations."
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style={{ fontSize: "8px", marginLeft: "4px", cursor: "help" }}
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>
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Remote API Endpoint
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</label>
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</div>
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<label style={{ fontSize: "9px", display: "block", margin: "8px 0 4px" }}>Request Body:</label>
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<textarea
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value={body}
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onChange={handleBodyChange}
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rows={4}
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style={{
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fontSize: "9px",
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padding: "4px",
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width: "100%",
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background: "#1e1e1e",
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color: "#ccc",
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border: "1px solid #444",
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borderRadius: "2px",
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resize: "vertical"
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}}
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/>
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<label style={{ fontSize: "9px", display: "block", margin: "8px 0 4px" }}>Polling Interval (sec):</label>
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<input
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type="number"
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min="1"
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value={intervalSec}
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onChange={handleIntervalChange}
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style={{
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fontSize: "9px",
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padding: "4px",
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width: "100%",
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background: "#1e1e1e",
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color: "#ccc",
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border: "1px solid #444",
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borderRadius: "2px"
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}}
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/>
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{statusCode !== null && statusCode >= 200 && statusCode < 300 && (
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<div style={{ color: "#6f6", fontSize: "8px", marginTop: "6px" }}>
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Status: {statusCode} {statusText}
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</div>
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)}
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{error && (
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<div style={{ color: "#f66", fontSize: "8px", marginTop: "6px" }}>
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Error: {error}
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<div className="borealis-node-header">
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{data?.label || "API Request"}
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</div>
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<div className="borealis-node-content" style={{ fontSize: "9px", color: "#ccc" }}>
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<div>
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<b>Status:</b>{" "}
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{error ? (
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<span style={{ color: "#f66" }}>{error}</span>
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) : statusCode !== null ? (
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<span style={{ color: "#6f6" }}>{statusCode} {statusText}</span>
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) : (
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"N/A"
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)}
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</div>
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<div style={{ marginTop: "4px" }}>
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<b>Result:</b>
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<pre style={{
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background: "#181818",
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color: "#b6ffb4",
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fontSize: "8px",
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maxHeight: 62,
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overflow: "auto",
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margin: 0,
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padding: "4px",
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borderRadius: "2px"
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}}>{data?.result ? String(data.result).slice(0, 350) : "No data"}</pre>
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</div>
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</div>
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<Handle type="source" position={Position.Right} className="borealis-handle" />
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</div>
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);
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};
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// Node Registration Object with sidebar config + docs
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export default {
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type: "API_Request",
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label: "API Request",
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description: "Fetch JSON from an API endpoint with optional body, proxy toggle, and polling interval.",
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content: "Fetch JSON from HTTP or remote API via internal proxy to bypass CORS.",
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component: APIRequestNode
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description: "Fetch JSON from an API endpoint with optional POST body, polling, and proxy toggle. Accepts URL from upstream.",
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content: "Fetch JSON from HTTP or remote API endpoint, with CORS proxy option.",
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component: APIRequestNode,
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config: [
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{
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key: "url",
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label: "Request URL",
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type: "text",
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defaultValue: "http://localhost:5000/health"
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},
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{
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key: "useProxy",
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label: "Use Proxy (bypass CORS)",
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type: "select",
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options: ["true", "false"],
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defaultValue: "true"
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},
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{
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key: "body",
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label: "Request Body (JSON)",
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type: "textarea",
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defaultValue: ""
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},
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{
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key: "intervalSec",
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label: "Polling Interval (sec)",
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type: "text",
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defaultValue: "10"
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}
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],
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usage_documentation: `
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### API Request Node
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Fetches JSON from an HTTP or HTTPS API endpoint, with an option to POST a JSON body and control polling interval.
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**Features:**
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- **URL**: You can set a static URL, or connect an upstream node to dynamically control the API endpoint.
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- **Use Proxy**: When enabled, requests route through the Borealis backend proxy to bypass CORS/browser restrictions.
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- **Request Body**: POST JSON data (leave blank for GET).
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- **Polling Interval**: Set how often (in seconds) to re-fetch the API.
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**Outputs:**
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- The downstream value is the parsed JSON object from the API response.
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**Typical Use Cases:**
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- Poll external APIs (weather, status, data, etc)
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- Connect to local/internal REST endpoints
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- Build data pipelines with API triggers
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**Input & UI Behavior:**
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- If an upstream node is connected, its output value will override the Request URL.
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- All config is handled in the right sidebar (Node Properties).
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**Error Handling:**
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- If the fetch fails, the node displays the error in the UI.
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- Only 2xx status codes are considered successful.
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**Security Note:**
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- Use Proxy mode for APIs requiring CORS bypass or additional privacy.
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`.trim()
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};
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