fix(xugu): require database before connecting

apps/desktop/src/lib/connection/xuguDatabase.ts

@@ -0,0 +1,63 @@
+import { parseConnectionUrl } from "@/lib/connection/connectionUrl";
+
+function splitXuguDsnParts(value: string): string[] {
+  const parts: string[] = [];
+  let current = "";
+  let inQuotes = false;
+
+  for (let index = 0; index < value.length; index += 1) {
+    const character = value[index];
+    if (character === "'") {
+      current += character;
+      if (inQuotes && value[index + 1] === "'") {
+        current += value[index + 1];
+        index += 1;
+      } else {
+        inQuotes = !inQuotes;
+      }
+    } else if (character === ";" && !inQuotes) {
+      parts.push(current);
+      current = "";
+    } else {
+      current += character;
+    }
+  }
+
+  parts.push(current);
+  return parts;
+}
+
+function xuguDatabaseFromDsn(value: string): string | undefined {
+  let database: string | undefined;
+  for (const part of splitXuguDsnParts(value)) {
+    const separator = part.indexOf("=");
+    if (separator < 0 || part.slice(0, separator).trim().toLowerCase() !== "db") continue;
+
+    let candidate = part.slice(separator + 1).trim();
+    if (candidate.startsWith("'") && candidate.endsWith("'")) {
+      candidate = candidate.slice(1, -1).replaceAll("''", "'");
+    }
+    database = candidate.trim() || undefined;
+  }
+  return database;
+}
+
+export function xuguDatabaseFromConnectionString(connectionString: string | undefined): string | undefined {
+  const value = connectionString?.trim();
+  if (!value) return undefined;
+
+  if (/^(?:ip|ips)\s*=/i.test(value)) {
+    return xuguDatabaseFromDsn(value);
+  }
+
+  try {
+    const parsed = parseConnectionUrl(value, "xugu");
+    return parsed.dbType === "xugu" ? parsed.database?.trim() || undefined : undefined;
+  } catch {
+    return undefined;
+  }
+}
+
+export function hasXuguConnectionDatabase(database: string | undefined, connectionString: string | undefined): boolean {
+  return !!database?.trim() || !!xuguDatabaseFromConnectionString(connectionString);
+}