Add ez-assistant and kerberos service folders

docker-compose/ez-assistant/extensions/googlechat/src/targets.ts

@@ -0,0 +1,55 @@
+import type { ResolvedGoogleChatAccount } from "./accounts.js";
+import { findGoogleChatDirectMessage } from "./api.js";
+
+export function normalizeGoogleChatTarget(raw?: string | null): string | undefined {
+  const trimmed = raw?.trim();
+  if (!trimmed) return undefined;
+  const withoutPrefix = trimmed.replace(/^(googlechat|google-chat|gchat):/i, "");
+  const normalized = withoutPrefix
+    .replace(/^user:(users\/)?/i, "users/")
+    .replace(/^space:(spaces\/)?/i, "spaces/");
+  if (isGoogleChatUserTarget(normalized)) {
+    const suffix = normalized.slice("users/".length);
+    return suffix.includes("@") ? `users/${suffix.toLowerCase()}` : normalized;
+  }
+  if (isGoogleChatSpaceTarget(normalized)) return normalized;
+  if (normalized.includes("@")) return `users/${normalized.toLowerCase()}`;
+  return normalized;
+}
+
+export function isGoogleChatUserTarget(value: string): boolean {
+  return value.toLowerCase().startsWith("users/");
+}
+
+export function isGoogleChatSpaceTarget(value: string): boolean {
+  return value.toLowerCase().startsWith("spaces/");
+}
+
+function stripMessageSuffix(target: string): string {
+  const index = target.indexOf("/messages/");
+  if (index === -1) return target;
+  return target.slice(0, index);
+}
+
+export async function resolveGoogleChatOutboundSpace(params: {
+  account: ResolvedGoogleChatAccount;
+  target: string;
+}): Promise<string> {
+  const normalized = normalizeGoogleChatTarget(params.target);
+  if (!normalized) {
+    throw new Error("Missing Google Chat target.");
+  }
+  const base = stripMessageSuffix(normalized);
+  if (isGoogleChatSpaceTarget(base)) return base;
+  if (isGoogleChatUserTarget(base)) {
+    const dm = await findGoogleChatDirectMessage({
+      account: params.account,
+      userName: base,
+    });
+    if (!dm?.name) {
+      throw new Error(`No Google Chat DM found for ${base}`);
+    }
+    return dm.name;
+  }
+  return base;
+}