feat(workbench): integrate operational workflows and map state

src/features/workbench/api/project-client.ts

@@ -69,24 +69,42 @@ export type WorkbenchProjectPresentation = {
 };
 
 const SERVER_API_BASE_URL = env.TJWATER_SERVER_API_BASE_URL.replace(/\/$/, "");
+const projectContextPromises = new WeakMap<AccessTokenProvider, Promise<WorkbenchProject>>();
 
 export async function findOwnedWorkbenchProject(
   getAccessToken?: AccessTokenProvider,
   signal?: AbortSignal
 ): Promise<{ project: WorkbenchProject; accessToken: string | null | undefined }> {
   const accessToken = await getAccessToken?.();
-  const response = await fetch(`${SERVER_API_BASE_URL}/api/v1/projects?limit=1000&offset=0`, {
-    headers: createWorkbenchHeaders(accessToken),
-    signal
-  });
-  const payload: unknown = await response.json().catch(() => null);
-  if (!response.ok) throw new Error(getServerError(payload, response.status, "项目查询"));
-  const projects = projectPageSchema.parse(payload);
-  const project = projects.items.find(
-    (item) => item.status === "active" && item.gs_workspace === GEOSERVER_WORKSPACE
-  );
-  if (!project) throw new Error(`未找到GeoServer工作空间 ${GEOSERVER_WORKSPACE} 对应的授权项目`);
-  return { project, accessToken };
+  const cacheable = Boolean(getAccessToken && !signal);
+  const existing = cacheable && getAccessToken
+    ? projectContextPromises.get(getAccessToken)
+    : undefined;
+  if (existing) return { project: await existing, accessToken };
+  const loadProject = async () => {
+    const response = await fetch(`${SERVER_API_BASE_URL}/api/v1/projects?limit=1000&offset=0`, {
+      headers: createWorkbenchHeaders(accessToken),
+      signal
+    });
+    const payload: unknown = await response.json().catch(() => null);
+    if (!response.ok) throw new Error(getServerError(payload, response.status, "项目查询"));
+    const projects = projectPageSchema.parse(payload);
+    const project = projects.items.find(
+      (item) => item.status === "active" && item.gs_workspace === GEOSERVER_WORKSPACE
+    );
+    if (!project) throw new Error(`未找到GeoServer工作空间 ${GEOSERVER_WORKSPACE} 对应的授权项目`);
+    return project;
+  };
+  const pending = loadProject();
+  if (cacheable && getAccessToken) projectContextPromises.set(getAccessToken, pending);
+  try {
+    return { project: await pending, accessToken };
+  } catch (error) {
+    if (cacheable && getAccessToken && projectContextPromises.get(getAccessToken) === pending) {
+      projectContextPromises.delete(getAccessToken);
+    }
+    throw error;
+  }
 }
 
 export async function fetchWorkbenchProjectPresentation(