refactor: centralize git and pr store refresh

packages/ui/src/lib/sessionEvents.ts

@@ -17,10 +17,13 @@ export type SessionCreateRequest = {
 type DeleteListener = (request: SessionDeleteRequest) => void;
 type CreateListener = (request: SessionCreateRequest) => void;
 type DirectoryListener = () => void;
+type GitRefreshHint = { directory: string };
+type GitRefreshListener = (hint: GitRefreshHint) => void;
 
 const deleteListeners = new Set<DeleteListener>();
 const createListeners = new Set<CreateListener>();
 const directoryListeners = new Set<DirectoryListener>();
+const gitRefreshListeners = new Set<GitRefreshListener>();
 
 export const sessionEvents = {
   onDeleteRequest(listener: DeleteListener) {
@@ -54,4 +57,16 @@ export const sessionEvents = {
   requestDirectoryDialog() {
     directoryListeners.forEach((listener) => listener());
   },
+  onGitRefreshHint(listener: GitRefreshListener) {
+    gitRefreshListeners.add(listener);
+    return () => {
+      gitRefreshListeners.delete(listener);
+    };
+  },
+  requestGitRefresh(hint: GitRefreshHint) {
+    if (!hint.directory.trim()) {
+      return;
+    }
+    gitRefreshListeners.forEach((listener) => listener(hint));
+  },
 };