MOBILE-3371 search: Implement link handler

src/addons/block/globalsearch/services/block-handler.ts

@@ -18,8 +18,8 @@ import { CoreBlockOnlyTitleComponent } from '@features/block/components/only-tit
 import { CoreBlockBaseHandler } from '@features/block/classes/base-block-handler';
 import { makeSingleton } from '@singletons';
 import { CoreCourseBlock } from '@features/course/services/course';
-import { CoreSites } from '@services/sites';
 import { CORE_SEARCH_PAGE_NAME } from '@features/search/services/handlers/mainmenu';
+import { CoreSearchGlobalSearch } from '@features/search/services/global-search';
 
 /**
  * Block handler.
@@ -34,11 +34,7 @@ export class AddonBlockGlobalSearchHandlerService extends CoreBlockBaseHandler {
      * @inheritdoc
      */
     async isEnabled(): Promise<boolean> {
-        const site = CoreSites.getRequiredCurrentSite();
+        return CoreSearchGlobalSearch.isEnabled();
-
-        return !site.isFeatureDisabled('CoreNoDelegate_GlobalSearch')
-            && site.wsAvailable('core_search_get_results')
-            && site.canUseAdvancedFeature('enableglobalsearch');
     }
 
     /**

src/core/features/search/pages/global-search/global-search.ts

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { Component, OnInit, OnDestroy } from '@angular/core';
+import { Component, OnInit, OnDestroy, AfterViewInit, ViewChild } from '@angular/core';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreSearchGlobalSearchResultsSource } from '@features/search/classes/global-search-results-source';
 import { CoreSites } from '@services/sites';
@@ -28,18 +28,21 @@ import {
     CoreSearchGlobalSearch,
 } from '@features/search/services/global-search';
 import { CoreNavigator } from '@services/navigator';
+import { CoreSearchBoxComponent } from '@features/search/components/search-box/search-box';
 
 @Component({
     selector: 'page-core-search-global-search',
     templateUrl: 'global-search.html',
 })
-export class CoreSearchGlobalSearchPage implements OnInit, OnDestroy {
+export class CoreSearchGlobalSearchPage implements OnInit, OnDestroy, AfterViewInit {
 
     loadMoreError: string | null = null;
     searchBanner: string | null = null;
     resultsSource = new CoreSearchGlobalSearchResultsSource('', {});
     private filtersObserver?: CoreEventObserver;
 
+    @ViewChild(CoreSearchBoxComponent) searchBox?: CoreSearchBoxComponent;
+
     /**
      * @inheritdoc
      */
@@ -62,6 +65,21 @@ export class CoreSearchGlobalSearchPage implements OnInit, OnDestroy {
         );
     }
 
+    /**
+     * @inheritdoc
+     */
+    ngAfterViewInit(): void {
+        const query = CoreNavigator.getRouteParam('query');
+
+        if (query) {
+            if (this.searchBox) {
+                this.searchBox.searchText = query;
+            }
+
+            this.search(query);
+        }
+    }
+
     /**
      * @inheritdoc
      */

src/core/features/search/search.module.ts

@@ -25,6 +25,8 @@ import { CORE_SITE_SCHEMAS } from '@services/sites';
 import { CoreSearchComponentsModule } from './components/components.module';
 import { SITE_SCHEMA } from './services/search-history-db';
 import { CoreSearchHistoryProvider } from './services/search-history.service';
+import { CoreContentLinksDelegate } from '@features/contentlinks/services/contentlinks-delegate';
+import { CoreSearchGlobalSearchLinkHandler } from '@features/search/services/handlers/global-search-link';
 
 export const CORE_SEARCH_SERVICES: Type<unknown>[] = [
     CoreSearchHistoryProvider,
@@ -51,6 +53,7 @@ const mainMenuChildrenRoutes: Routes = [
             multi: true,
             useValue() {
                 CoreMainMenuDelegate.registerHandler(CoreSearchMainMenuHandler.instance);
+                CoreContentLinksDelegate.registerHandler(CoreSearchGlobalSearchLinkHandler.instance);
             },
         },
     ],

src/core/features/search/services/global-search.ts

@@ -83,6 +83,21 @@ export class CoreSearchGlobalSearchService {
 
     private static readonly SEARCH_AREAS_CACHE_KEY = 'CoreSearchGlobalSearch:SearchAreas';
 
+    /**
+     * Check whether global search is enabled or not.
+     *
+     * @returns Whether global search is enabled or not.
+     */
+    async isEnabled(siteId?: string): Promise<boolean> {
+        const site = siteId
+            ? await CoreSites.getSite(siteId)
+            : CoreSites.getRequiredCurrentSite();
+
+        return !site?.isFeatureDisabled('CoreNoDelegate_GlobalSearch')
+            && site?.wsAvailable('core_search_get_results') // @since 4.3
+            && site?.canUseAdvancedFeature('enableglobalsearch');
+    }
+
     /**
      * Get results.
      *

src/core/features/search/services/handlers/global-search-link.ts

@@ -0,0 +1,56 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreContentLinksHandlerBase } from '@features/contentlinks/classes/base-handler';
+import { CoreContentLinksAction } from '@features/contentlinks/services/contentlinks-delegate';
+import { CoreSearchGlobalSearch } from '@features/search/services/global-search';
+import { CORE_SEARCH_PAGE_NAME } from '@features/search/services/handlers/mainmenu';
+import { CoreNavigator } from '@services/navigator';
+import { makeSingleton } from '@singletons';
+
+/**
+ * Handler to treat links to search page.
+ */
+@Injectable( { providedIn: 'root' })
+export class CoreSearchGlobalSearchLinkHandlerService extends CoreContentLinksHandlerBase {
+
+    name = 'CoreSearchSearchLinkHandler';
+    pattern = /\/search\/index\.php.*/;
+
+    /**
+     * @inheritdoc
+     */
+    async isEnabled(siteId: string): Promise<boolean> {
+        return CoreSearchGlobalSearch.isEnabled(siteId);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    getActions(siteIds: string[], url: string, params: Record<string, string>): CoreContentLinksAction[] {
+        return [{
+            action: (siteId: string): void => {
+                CoreNavigator.navigateToSitePath(CORE_SEARCH_PAGE_NAME, {
+                    siteId,
+                    params: {
+                        query: params.q,
+                    },
+                });
+            },
+        }];
+    }
+
+}
+export const CoreSearchGlobalSearchLinkHandler = makeSingleton(CoreSearchGlobalSearchLinkHandlerService);

src/core/features/search/services/handlers/mainmenu.ts

@@ -15,7 +15,7 @@
 import { Injectable } from '@angular/core';
 import { makeSingleton } from '@singletons';
 import { CoreMainMenuHandler, CoreMainMenuHandlerData } from '@features/mainmenu/services/mainmenu-delegate';
-import { CoreSites } from '@services/sites';
+import { CoreSearchGlobalSearch } from '@features/search/services/global-search';
 
 export const CORE_SEARCH_PAGE_NAME = 'search';
 
@@ -32,11 +32,7 @@ export class CoreSearchMainMenuHandlerService implements CoreMainMenuHandler {
      * @inheritdoc
      */
     async isEnabled(): Promise<boolean> {
-        const site = CoreSites.getRequiredCurrentSite();
+        return CoreSearchGlobalSearch.isEnabled();
-
-        return !site.isFeatureDisabled('CoreNoDelegate_GlobalSearch')
-            && site.wsAvailable('core_search_get_results')
-            && site.canUseAdvancedFeature('enableglobalsearch');
     }
 
     /**