]> source.dussan.org Git - nextcloud-server.git/commitdiff
Implement unified search for Files
authorChristoph Wurst <christoph@winzerhof-wurst.at>
Wed, 17 Jun 2020 08:29:50 +0000 (10:29 +0200)
committerChristoph Wurst <christoph@winzerhof-wurst.at>
Wed, 24 Jun 2020 12:20:26 +0000 (14:20 +0200)
Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>
apps/files/composer/composer/autoload_classmap.php
apps/files/composer/composer/autoload_static.php
apps/files/lib/AppInfo/Application.php
apps/files/lib/Search/FilesSearchProvider.php
apps/files/lib/Search/FilesSearchResultEntry.php [new file with mode: 0644]
lib/private/Search/SearchComposer.php
lib/public/Search/IProvider.php

index a4a72d59c13b84655df5568e614a9b816c3851d5..04c24ee52d979a3999980efb3718f340860a8bb5 100644 (file)
@@ -47,6 +47,8 @@ return array(
     'OCA\\Files\\Listener\\LoadSidebarListener' => $baseDir . '/../lib/Listener/LoadSidebarListener.php',
     'OCA\\Files\\Migration\\Version11301Date20191205150729' => $baseDir . '/../lib/Migration/Version11301Date20191205150729.php',
     'OCA\\Files\\Notification\\Notifier' => $baseDir . '/../lib/Notification/Notifier.php',
+    'OCA\\Files\\Search\\FilesSearchProvider' => $baseDir . '/../lib/Search/FilesSearchProvider.php',
+    'OCA\\Files\\Search\\FilesSearchResultEntry' => $baseDir . '/../lib/Search/FilesSearchResultEntry.php',
     'OCA\\Files\\Service\\DirectEditingService' => $baseDir . '/../lib/Service/DirectEditingService.php',
     'OCA\\Files\\Service\\OwnershipTransferService' => $baseDir . '/../lib/Service/OwnershipTransferService.php',
     'OCA\\Files\\Service\\TagService' => $baseDir . '/../lib/Service/TagService.php',
index 91e29fac487580896cd752212dafafb2a95bc1ba..f9050eca8626109ee07b2075525e870f83125444 100644 (file)
@@ -62,6 +62,8 @@ class ComposerStaticInitFiles
         'OCA\\Files\\Listener\\LoadSidebarListener' => __DIR__ . '/..' . '/../lib/Listener/LoadSidebarListener.php',
         'OCA\\Files\\Migration\\Version11301Date20191205150729' => __DIR__ . '/..' . '/../lib/Migration/Version11301Date20191205150729.php',
         'OCA\\Files\\Notification\\Notifier' => __DIR__ . '/..' . '/../lib/Notification/Notifier.php',
+        'OCA\\Files\\Search\\FilesSearchProvider' => __DIR__ . '/..' . '/../lib/Search/FilesSearchProvider.php',
+        'OCA\\Files\\Search\\FilesSearchResultEntry' => __DIR__ . '/..' . '/../lib/Search/FilesSearchResultEntry.php',
         'OCA\\Files\\Service\\DirectEditingService' => __DIR__ . '/..' . '/../lib/Service/DirectEditingService.php',
         'OCA\\Files\\Service\\OwnershipTransferService' => __DIR__ . '/..' . '/../lib/Service/OwnershipTransferService.php',
         'OCA\\Files\\Service\\TagService' => __DIR__ . '/..' . '/../lib/Service/TagService.php',
index 82562ffe9f04178c2a1c2811087cf2a3887f2504..5e473c411ee1953f9a7c11a8f10d99c5f25c1e21 100644 (file)
@@ -44,6 +44,7 @@ use OCA\Files\Event\LoadSidebar;
 use OCA\Files\Listener\LegacyLoadAdditionalScriptsAdapter;
 use OCA\Files\Listener\LoadSidebarListener;
 use OCA\Files\Notification\Notifier;
+use OCA\Files\Search\FilesSearchProvider;
 use OCA\Files\Service\TagService;
 use OCP\AppFramework\App;
 use OCP\AppFramework\Bootstrap\IBootContext;
@@ -106,6 +107,8 @@ class Application extends App implements IBootstrap {
 
                $context->registerEventListener(LoadAdditionalScriptsEvent::class, LegacyLoadAdditionalScriptsAdapter::class);
                $context->registerEventListener(LoadSidebar::class, LoadSidebarListener::class);
+
+               $context->registerSearchProvider(FilesSearchProvider::class);
        }
 
        public function boot(IBootContext $context): void {
index 0a360d6f81c3fa74bf7f25d2471304e48337af21..3f1c4de0aa18d3163077241286112c9bd2fd4024 100644 (file)
@@ -25,7 +25,10 @@ declare(strict_types=1);
 
 namespace OCA\Files\Search;
 
+use OC\Search\Provider\File;
+use OC\Search\Result\File as FileResult;
 use OCP\IL10N;
+use OCP\IURLGenerator;
 use OCP\IUser;
 use OCP\Search\IProvider;
 use OCP\Search\ISearchQuery;
@@ -33,11 +36,21 @@ use OCP\Search\SearchResult;
 
 class FilesSearchProvider implements IProvider {
 
+       /** @var File */
+       private $fileSearch;
+
        /** @var IL10N */
        private $l10n;
 
-       public function __construct(IL10N $l10n) {
+       /** @var IURLGenerator */
+       private $urlGenerator;
+
+       public function __construct(File $fileSearch,
+                                                               IL10N $l10n,
+                                                               IURLGenerator $urlGenerator) {
                $this->l10n = $l10n;
+               $this->fileSearch = $fileSearch;
+               $this->urlGenerator = $urlGenerator;
        }
 
        public function getId(): string {
@@ -47,26 +60,14 @@ class FilesSearchProvider implements IProvider {
        public function search(IUser $user, ISearchQuery $query): SearchResult {
                return SearchResult::complete(
                        $this->l10n->t('Files'),
-                       [
-                               new FilesSearchResultEntry(
-                                       "path/to/icon.png",
-                                       "cute cats.jpg",
-                                       "/Cats",
-                                       "/f/21156"
-                               ),
-                               new FilesSearchResultEntry(
-                                       "path/to/icon.png",
-                                       "cat 1.jpg",
-                                       "/Cats",
-                                       "/f/21192"
-                               ),
-                               new FilesSearchResultEntry(
-                                       "path/to/icon.png",
-                                       "cat 2.jpg",
-                                       "/Cats",
-                                       "/f/25942"
-                               ),
-                       ]
+                       array_map(function (FileResult $result) {
+                               return new FilesSearchResultEntry(
+                                       $this->urlGenerator->linkToRoute('core.Preview.getPreviewByFileId', ['x' => 32, 'y' => 32, 'fileId' => $result->id]),
+                                       $result->name,
+                                       $result->path,
+                                       $result->link
+                               );
+                       }, $this->fileSearch->search($query->getTerm()))
                );
        }
 }
diff --git a/apps/files/lib/Search/FilesSearchResultEntry.php b/apps/files/lib/Search/FilesSearchResultEntry.php
new file mode 100644 (file)
index 0000000..c4f6e49
--- /dev/null
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace OCA\Files\Search;
+
+use OCP\Search\ASearchResultEntry;
+
+class FilesSearchResultEntry extends ASearchResultEntry {
+       public function __construct(string $thumbnailUrl,
+                                                               string $filename,
+                                                               string $path,
+                                                               string $url) {
+               parent::__construct($thumbnailUrl, $filename, $path, $url);
+       }
+}
index f8369292103260677b72d22de307cf47374243d8..ae4350ca5cca2cf0a5f95f352b11cbb9c967ea8d 100644 (file)
@@ -25,6 +25,8 @@ declare(strict_types=1);
 
 namespace OC\Search;
 
+use InvalidArgumentException;
+use OCP\AppFramework\Bootstrap\IRegistrationContext;
 use OCP\AppFramework\QueryException;
 use OCP\ILogger;
 use OCP\IServerContainer;
@@ -37,6 +39,21 @@ use function array_map;
 /**
  * Queries individual \OCP\Search\IProvider implementations and composes a
  * unified search result for the user's search term
+ *
+ * The search process is generally split into two steps
+ *
+ *   1. Get a list of provider (`getProviders`)
+ *   2. Get search results of each provider (`search`)
+ *
+ * The reasoning behind this is that the runtime complexity of a combined search
+ * result would be O(n) and linearly grow with each provider added. This comes
+ * from the nature of php where we can't concurrently fetch the search results.
+ * So we offload the concurrency the client application (e.g. JavaScript in the
+ * browser) and let it first get the list of providers to then fetch all results
+ * concurrently. The client is free to decide whether all concurrent search
+ * results are awaited or shown as they come in.
+ *
+ * @see IProvider::search() for the arguments of the individual search requests
  */
 class SearchComposer {
 
@@ -58,6 +75,17 @@ class SearchComposer {
                $this->logger = $logger;
        }
 
+       /**
+        * Register a search provider lazily
+        *
+        * Registers the fully-qualified class name of an implementation of an
+        * IProvider. The service will only be queried on demand. Apps will register
+        * the providers through the registration context object.
+        *
+        * @see IRegistrationContext::registerSearchProvider()
+        *
+        * @param string $class
+        */
        public function registerProvider(string $class): void {
                $this->lazyProviders[] = $class;
        }
@@ -85,6 +113,11 @@ class SearchComposer {
                $this->lazyProviders = [];
        }
 
+       /**
+        * Get a list of all provider IDs for the consecutive calls to `search`
+        *
+        * @return string[]
+        */
        public function getProviders(): array {
                $this->loadLazyProviders();
 
@@ -97,11 +130,25 @@ class SearchComposer {
                        }, $this->providers));
        }
 
+       /**
+        * Query an individual search provider for results
+        *
+        * @param IUser $user
+        * @param string $providerId one of the IDs received by `getProviders`
+        * @param ISearchQuery $query
+        *
+        * @return SearchResult
+        * @throws InvalidArgumentException when the $providerId does not correspond to a registered provider
+        */
        public function search(IUser $user,
                                                   string $providerId,
                                                   ISearchQuery $query): SearchResult {
                $this->loadLazyProviders();
 
-               return $this->providers[$providerId]->search($user, $query);
+               $provider = $this->providers[$providerId] ?? null;
+               if ($provider === null) {
+                       throw new InvalidArgumentException("Provider $providerId is unknown");
+               }
+               return $provider->search($user, $query);
        }
 }
index 57343eda0e51a1a07277dfc9acf449ab93d79ab9..080f5089f1f152c9069a5b42e6824555040e3f22 100644 (file)
@@ -28,7 +28,7 @@ namespace OCP\Search;
 use OCP\IUser;
 
 /**
- * Interface for an app search providers
+ * Interface for search providers
  *
  * These providers will be implemented in apps, so they can participate in the
  * global search results of Nextcloud. If an app provides more than one type of