feat(custom-views): Add hook for fetching issue counts

static/app/views/issueList/overview.tsx

@@ -139,7 +139,7 @@ interface EndpointParams extends Partial<PageFilters['datetime']> {
   useGroupSnubaDataset?: boolean;
 }
 
-type CountsEndpointParams = Omit<EndpointParams, 'cursor' | 'page' | 'query'> & {
+export type CountsEndpointParams = Omit<EndpointParams, 'cursor' | 'page' | 'query'> & {
   query: string[];
 };
 

static/app/views/issueList/queries/useFetchIssueCounts.tsx

@@ -0,0 +1,30 @@
+import type {ApiQueryKey, UseApiQueryOptions} from 'sentry/utils/queryClient';
+import {useApiQuery} from 'sentry/utils/queryClient';
+import type {CountsEndpointParams} from 'sentry/views/issueList/overview';
+import type {GroupSearchView} from 'sentry/views/issueList/types';
+
+type FetchIssueCountsParameters = CountsEndpointParams & {
+  orgSlug: string;
+};
+
+export const makeFetchIssueCounts = ({
+  orgSlug,
+  ...requestParams
+}: FetchIssueCountsParameters): ApiQueryKey => [
+  `/organizations/${orgSlug}/issues-count/`,
+  {
+    query: {
+      ...requestParams,
+    },
+  },
+];
+
+export const useFetchGroupSearchViews = (
+  params: FetchIssueCountsParameters,
+  options: Partial<UseApiQueryOptions<GroupSearchView[]>> = {}
+) => {
+  return useApiQuery<GroupSearchView[]>(makeFetchIssueCounts(params), {
+    staleTime: Infinity,
+    ...options,
+  });
+};