Finished API integration

server/utils/magnetParser.ts

@@ -0,0 +1,68 @@
+import type { MagnetUrl } from "../../shared/types/magnet";
+
+export function parseMagnet(magnetUrl: string): MagnetUrl {
+  if (!magnetUrl.startsWith("magnet:?")) {
+    throw new Error('Invalid magnet URL: Must start with "magnet:?"');
+  }
+
+  const params = new URLSearchParams(magnetUrl.substring(8)); // Remove 'magnet:?' prefix
+  const xt = params.get("xt");
+
+  if (!xt) {
+    throw new Error("Invalid magnet URL: Missing required xt parameter");
+  }
+
+  // Validate xt format (btih hash)
+  const btihRegex = /^urn:btih:([a-fA-F0-9]{40}|[A-Z2-7]{32})$/;
+  if (!btihRegex.test(xt)) {
+    throw new Error("Invalid magnet URL: Invalid xt parameter format");
+  }
+
+  const magnet: MagnetUrl = {
+    xt,
+  };
+
+  const dn = params.get("dn");
+  if (dn) {
+    magnet.dn = decodeURIComponent(dn);
+  }
+
+  const tr = params.getAll("tr");
+  if (tr.length > 0) {
+    magnet.tr = tr.map(decodeURIComponent);
+  }
+
+  const as = params.getAll("as");
+  if (as.length > 0) {
+    magnet.as = as.map(decodeURIComponent);
+  }
+
+  const xs = params.getAll("xs");
+  if (xs.length > 0) {
+    magnet.xs = xs.map(decodeURIComponent);
+  }
+
+  const kt = params.get("kt");
+  if (kt) {
+    magnet.kt = decodeURIComponent(kt);
+  }
+
+  const mt = params.get("mt");
+  if (mt) {
+    magnet.mt = decodeURIComponent(mt);
+  }
+
+  return magnet;
+}
+
+export function getMagnetUrl(magnet: MagnetUrl): string {
+  const params = new URLSearchParams();
+  Object.entries(magnet).forEach(([key, value]) => {
+    if (Array.isArray(value)) {
+      value.forEach((v) => params.append(`${key}`, v));
+    } else {
+      params.append(`${key}`, value);
+    }
+  });
+  return `magnet:?${params.toString()}`;
+}