MM-14456 Minor updates to search (mattermost#812)

* Add getCurrentSearchForCurrentTeam selector

* Set isEnd for search if returned less posts than asked for

src/actions/search.js

@@ -76,7 +76,7 @@ export function searchPostsWithParams(teamId, params) {
                 data: {
                     teamId,
                     params,
-                    isEnd: (posts.order.length === 0),
+                    isEnd: (posts.order.length < params.per_page),
                 },
             },
             {

src/actions/search.test.js

@@ -62,12 +62,14 @@ describe('Actions.Search', () => {
         const state = getState();
         const {recent, results} = state.entities.search;
         const {posts} = state.entities.posts;
+        const current = state.entities.search.current[TestHelper.basicTeam.id];
         assert.ok(recent[TestHelper.basicTeam.id]);
         const searchIsPresent = recent[TestHelper.basicTeam.id].findIndex((r) => r.terms === search1);
         assert.ok(searchIsPresent !== -1);
         assert.equal(Object.keys(recent[TestHelper.basicTeam.id]).length, 1);
         assert.equal(results.length, 1);
         assert.ok(posts[results[0]]);
+        assert.ok(current.isEnd);
 
         // DISABLED
         // Test for posts from a user in a channel

src/selectors/entities/search.js

@@ -0,0 +1,14 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import {createSelector} from 'reselect';
+
+import {getCurrentTeamId} from 'selectors/entities/teams';
+
+export const getCurrentSearchForCurrentTeam = createSelector(
+    (state) => state.entities.search.current,
+    getCurrentTeamId,
+    (current, teamId) => {
+        return current[teamId];
+    }
+);

src/selectors/entities/search.test.js

@@ -0,0 +1,29 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import assert from 'assert';
+
+import deepFreezeAndThrowOnMutation from 'utils/deep_freeze';
+import TestHelper from 'test/test_helper';
+import * as Selectors from 'selectors/entities/search';
+
+describe('Selectors.Search', () => {
+    const team1 = TestHelper.fakeTeamWithId();
+
+    const team1CurrentSearch = {params: {page: 0, per_page: 20}, isEnd: true};
+
+    const testState = deepFreezeAndThrowOnMutation({
+        entities: {
+            teams: {
+                currentTeamId: team1.id,
+            },
+            search: {
+                current: {[team1.id]: team1CurrentSearch},
+            },
+        },
+    });
+
+    it('should return current search for current team', () => {
+        assert.deepEqual(Selectors.getCurrentSearchForCurrentTeam(testState), team1CurrentSearch);
+    });
+});