feat: add frontend for locked workspaces (#8655)

- Fix workspaces query for locked workspaces.

coderd/workspaces_test.go

@@ -1407,6 +1407,46 @@ func TestWorkspaceFilterManual(t *testing.T) {
 		// and template.InactivityTTL should be 0
 		assert.Len(t, res.Workspaces, 0)
 	})
+
+	t.Run("LockedAt", func(t *testing.T) {
+		// this test has a licensed counterpart in enterprise/coderd/workspaces_test.go: FilterQueryHasDeletingByAndLicensed
+		t.Parallel()
+		client := coderdtest.New(t, &coderdtest.Options{
+			IncludeProvisionerDaemon: true,
+		})
+		user := coderdtest.CreateFirstUser(t, client)
+		authToken := uuid.NewString()
+		version := coderdtest.CreateTemplateVersion(t, client, user.OrganizationID, &echo.Responses{
+			Parse:          echo.ParseComplete,
+			ProvisionPlan:  echo.ProvisionComplete,
+			ProvisionApply: echo.ProvisionApplyWithAgent(authToken),
+		})
+		template := coderdtest.CreateTemplate(t, client, user.OrganizationID, version.ID)
+		_ = coderdtest.AwaitTemplateVersionJob(t, client, version.ID)
+
+		// update template with inactivity ttl
+		ctx, cancel := context.WithTimeout(context.Background(), testutil.WaitLong)
+		defer cancel()
+
+		lockedWorkspace := coderdtest.CreateWorkspace(t, client, user.OrganizationID, template.ID)
+		_ = coderdtest.AwaitWorkspaceBuildJob(t, client, lockedWorkspace.LatestBuild.ID)
+
+		// Create another workspace to validate that we do not return unlocked workspaces.
+		_ = coderdtest.CreateWorkspace(t, client, user.OrganizationID, template.ID)
+		_ = coderdtest.AwaitWorkspaceBuildJob(t, client, lockedWorkspace.LatestBuild.ID)
+
+		err := client.UpdateWorkspaceLock(ctx, lockedWorkspace.ID, codersdk.UpdateWorkspaceLock{
+			Lock: true,
+		})
+		require.NoError(t, err)
+
+		res, err := client.Workspaces(ctx, codersdk.WorkspaceFilter{
+			FilterQuery: fmt.Sprintf("locked_at:%s", time.Now().Add(-time.Minute).Format("2006-01-02")),
+		})
+		require.NoError(t, err)
+		require.Len(t, res.Workspaces, 1)
+		require.NotNil(t, res.Workspaces[0].LockedAt)
+	})
 }
 
 func TestOffsetLimit(t *testing.T) {