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-rw-r--r--lib/public/FullTextSearch/Exceptions/FullTextSearchAppNotAvailableException.php18
-rw-r--r--lib/public/FullTextSearch/Exceptions/FullTextSearchIndexNotAvailableException.php18
-rw-r--r--lib/public/FullTextSearch/IFullTextSearchManager.php166
-rw-r--r--lib/public/FullTextSearch/IFullTextSearchPlatform.php196
-rw-r--r--lib/public/FullTextSearch/IFullTextSearchProvider.php295
-rw-r--r--lib/public/FullTextSearch/Model/IDocumentAccess.php235
-rw-r--r--lib/public/FullTextSearch/Model/IIndex.php333
-rw-r--r--lib/public/FullTextSearch/Model/IIndexDocument.php613
-rw-r--r--lib/public/FullTextSearch/Model/IIndexOptions.php57
-rw-r--r--lib/public/FullTextSearch/Model/IRunner.php123
-rw-r--r--lib/public/FullTextSearch/Model/ISearchOption.php143
-rw-r--r--lib/public/FullTextSearch/Model/ISearchRequest.php339
-rw-r--r--lib/public/FullTextSearch/Model/ISearchRequestSimpleQuery.php153
-rw-r--r--lib/public/FullTextSearch/Model/ISearchResult.php168
-rw-r--r--lib/public/FullTextSearch/Model/ISearchTemplate.php149
-rw-r--r--lib/public/FullTextSearch/Service/IIndexService.php84
-rw-r--r--lib/public/FullTextSearch/Service/IProviderService.php36
-rw-r--r--lib/public/FullTextSearch/Service/ISearchService.php60
18 files changed, 3186 insertions, 0 deletions
diff --git a/lib/public/FullTextSearch/Exceptions/FullTextSearchAppNotAvailableException.php b/lib/public/FullTextSearch/Exceptions/FullTextSearchAppNotAvailableException.php
new file mode 100644
index 00000000000..11c7fc62de9
--- /dev/null
+++ b/lib/public/FullTextSearch/Exceptions/FullTextSearchAppNotAvailableException.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Exceptions;
+
+/**
+ * @since 15.0.0
+ *
+ * Class FullTextSearchAppNotAvailableException
+ *
+ */
+class FullTextSearchAppNotAvailableException extends \Exception {
+}
diff --git a/lib/public/FullTextSearch/Exceptions/FullTextSearchIndexNotAvailableException.php b/lib/public/FullTextSearch/Exceptions/FullTextSearchIndexNotAvailableException.php
new file mode 100644
index 00000000000..a2222fe57cb
--- /dev/null
+++ b/lib/public/FullTextSearch/Exceptions/FullTextSearchIndexNotAvailableException.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Exceptions;
+
+/**
+ * @since 28.0.0
+ *
+ * Class FullTextSearchIndexNotAvailableException
+ *
+ */
+class FullTextSearchIndexNotAvailableException extends \Exception {
+}
diff --git a/lib/public/FullTextSearch/IFullTextSearchManager.php b/lib/public/FullTextSearch/IFullTextSearchManager.php
new file mode 100644
index 00000000000..db7a50adabb
--- /dev/null
+++ b/lib/public/FullTextSearch/IFullTextSearchManager.php
@@ -0,0 +1,166 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch;
+
+use OCP\FullTextSearch\Model\IIndex;
+use OCP\FullTextSearch\Model\ISearchResult;
+use OCP\FullTextSearch\Service\IIndexService;
+use OCP\FullTextSearch\Service\IProviderService;
+use OCP\FullTextSearch\Service\ISearchService;
+
+/**
+ * Interface IFullTextSearchManager
+ *
+ * Should be used to manage FullTextSearch from the app that contains your
+ * Content Provider/Search Platform.
+ *
+ * @since 15.0.0
+ *
+ */
+interface IFullTextSearchManager {
+ /**
+ * Register a IProviderService.
+ *
+ * @since 15.0.0
+ *
+ * @param IProviderService $providerService
+ */
+ public function registerProviderService(IProviderService $providerService);
+
+ /**
+ * Register a IIndexService.
+ *
+ * @since 15.0.0
+ *
+ * @param IIndexService $indexService
+ */
+ public function registerIndexService(IIndexService $indexService);
+
+ /**
+ * Register a ISearchService.
+ *
+ * @since 15.0.0
+ *
+ * @param ISearchService $searchService
+ */
+ public function registerSearchService(ISearchService $searchService);
+
+ /**
+ * returns true is Full Text Search is available (app is present and Service
+ * are registered)
+ *
+ * @since 16.0.0
+ *
+ * @return bool
+ */
+ public function isAvailable(): bool;
+
+
+ /**
+ * Add the Javascript API in the navigation page of an app.
+ * Needed to replace the default search.
+ *
+ * @since 15.0.0
+ */
+ public function addJavascriptAPI();
+
+
+ /**
+ * Check if the provider $providerId is already indexed.
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ *
+ * @return bool
+ */
+ public function isProviderIndexed(string $providerId): bool;
+
+
+ /**
+ * Retrieve an Index from the database, based on the Id of the Provider
+ * and the Id of the Document
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ * @param string $documentId
+ *
+ * @return IIndex
+ */
+ public function getIndex(string $providerId, string $documentId): IIndex;
+
+
+ /**
+ * Create a new Index.
+ *
+ * This method must be called when a new document is created.
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ * @param string $documentId
+ * @param string $userId
+ * @param int $status
+ *
+ * @return IIndex
+ */
+ public function createIndex(string $providerId, string $documentId, string $userId, int $status = 0): IIndex;
+
+
+ /**
+ * Update the status of an Index. status is a bitflag, setting $reset to
+ * true will reset the status to the value defined in the parameter.
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ * @param string $documentId
+ * @param int $status
+ * @param bool $reset
+ */
+ public function updateIndexStatus(string $providerId, string $documentId, int $status, bool $reset = false);
+
+
+ /**
+ * Update the status of an array of Index. status is a bit flag, setting $reset to
+ * true will reset the status to the value defined in the parameter.
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ * @param array $documentIds
+ * @param int $status
+ * @param bool $reset
+ */
+ public function updateIndexesStatus(string $providerId, array $documentIds, int $status, bool $reset = false);
+
+ /**
+ * Update an array of Index.
+ *
+ * @since 15.0.0
+ *
+ * @param IIndex[] $indexes
+ */
+ public function updateIndexes(array $indexes);
+
+ /**
+ * Search using an array as request. If $userId is empty, will use the
+ * current session.
+ *
+ * @see ISearchService::generateSearchRequest
+ *
+ * @since 15.0.0
+ *
+ * @param array $request
+ * @param string $userId
+ * @return ISearchResult[]
+ */
+ public function search(array $request, string $userId = ''): array;
+}
diff --git a/lib/public/FullTextSearch/IFullTextSearchPlatform.php b/lib/public/FullTextSearch/IFullTextSearchPlatform.php
new file mode 100644
index 00000000000..62b3070d5f2
--- /dev/null
+++ b/lib/public/FullTextSearch/IFullTextSearchPlatform.php
@@ -0,0 +1,196 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch;
+
+use OCP\FullTextSearch\Model\IDocumentAccess;
+use OCP\FullTextSearch\Model\IIndex;
+use OCP\FullTextSearch\Model\IIndexDocument;
+use OCP\FullTextSearch\Model\IRunner;
+use OCP\FullTextSearch\Model\ISearchResult;
+
+/**
+ * Interface IFullTextSearchPlatform
+ *
+ * This interface must be use when creating a Search Platform for FullTextSearch.
+ *
+ * A Search Platform is an extension to the FullTextSearch that will act as a
+ * a gateway between FullTextSearch and a search server (ie. ElasticSearch,
+ * Solr, ...)
+ *
+ * Multiple Search Platform can exist at the same time in Nextcloud, however only
+ * one Search Platform will be used by FullTextSearch.
+ * Administrator must select at least one Search Platform to be used by
+ * FullTextSearch in the admin settings page.
+ *
+ * The content provided by FullTextSearch comes in chunk from multiple Content
+ * Provider. Each chunk is identified by the ID of the Content Provider, and the
+ * ID of the document.
+ *
+ *
+ * To oversimplify the mechanism:
+ *
+ * - When indexing, FullTextSearch will send providerId, documentId, content.
+ * - When searching within the content of a Content Provider, identified by its
+ * providerId, FullTextSearch expect documentId as result.
+ *
+ *
+ * The Search Platform ia a PHP class that implement this interface and is defined
+ * in appinfo/info.xml of the app that contains that class:
+ *
+ * <fulltextsearch>
+ * <platform>OCA\YourApp\YourSearchPlatform</platform>
+ * </fulltextsearch>
+ *
+ * Multiple Search Platform can be defined in a single app.
+ *
+ * @since 15.0.0
+ *
+ */
+interface IFullTextSearchPlatform {
+ /**
+ * Must returns a unique Id used to identify the Search Platform.
+ * Id must contains only alphanumeric chars, with no space.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getId(): string;
+
+
+ /**
+ * Must returns a descriptive name of the Search Platform.
+ * This is used mainly in the admin settings page to display the list of
+ * available Search Platform
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getName(): string;
+
+
+ /**
+ * should returns the current configuration of the Search Platform.
+ * This is used to display the configuration when using the
+ * ./occ fulltextsearch:check command line.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getConfiguration(): array;
+
+
+ /**
+ * Set the wrapper of the currently executed process.
+ * Because the index process can be long and heavy, and because errors can
+ * be encountered during the process, the IRunner is a wrapper that allow the
+ * Search Platform to communicate with the process initiated by
+ * FullTextSearch.
+ *
+ * The IRunner is coming with some methods so the Search Platform can
+ * returns important information and errors to be displayed to the admin.
+ *
+ * @since 15.0.0
+ *
+ * @param IRunner $runner
+ */
+ public function setRunner(IRunner $runner);
+
+
+ /**
+ * Called when FullTextSearch is loading your Search Platform.
+ *
+ * @since 15.0.0
+ */
+ public function loadPlatform();
+
+
+ /**
+ * Called to check that your Search Platform is correctly configured and that
+ * This is also the right place to check that the Search Service is available.
+ *
+ * @since 15.0.0
+ *
+ * @return bool
+ */
+ public function testPlatform(): bool;
+
+
+ /**
+ * Called before an index is initiated.
+ * Best place to initiate some stuff on the Search Server (mapping, ...)
+ *
+ * @since 15.0.0
+ */
+ public function initializeIndex();
+
+
+ /**
+ * Reset the indexes for a specific providerId.
+ * $providerId can be 'all' if it is a global reset.
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ */
+ public function resetIndex(string $providerId);
+
+
+ /**
+ * Deleting some IIndex, sent in an array
+ *
+ * @see IIndex
+ *
+ * @since 15.0.0
+ *
+ * @param IIndex[] $indexes
+ */
+ public function deleteIndexes(array $indexes);
+
+
+ /**
+ * Indexing a document.
+ *
+ * @see IndexDocument
+ *
+ * @since 15.0.0
+ *
+ * @param IIndexDocument $document
+ *
+ * @return IIndex
+ */
+ public function indexDocument(IIndexDocument $document): IIndex;
+
+
+ /**
+ * Searching documents, ISearchResult should be updated with the result of
+ * the search.
+ *
+ * @since 15.0.0
+ *
+ * @param ISearchResult $result
+ * @param IDocumentAccess $access
+ */
+ public function searchRequest(ISearchResult $result, IDocumentAccess $access);
+
+
+ /**
+ * Return a document based on its Id and the Provider.
+ * This is used when an admin execute ./occ fulltextsearch:document:platform
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ * @param string $documentId
+ *
+ * @return IIndexDocument
+ */
+ public function getDocument(string $providerId, string $documentId): IIndexDocument;
+}
diff --git a/lib/public/FullTextSearch/IFullTextSearchProvider.php b/lib/public/FullTextSearch/IFullTextSearchProvider.php
new file mode 100644
index 00000000000..b1ee3b66274
--- /dev/null
+++ b/lib/public/FullTextSearch/IFullTextSearchProvider.php
@@ -0,0 +1,295 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch;
+
+use OCP\FullTextSearch\Model\IIndex;
+use OCP\FullTextSearch\Model\IIndexDocument;
+use OCP\FullTextSearch\Model\IIndexOptions;
+use OCP\FullTextSearch\Model\IRunner;
+use OCP\FullTextSearch\Model\ISearchRequest;
+use OCP\FullTextSearch\Model\ISearchResult;
+use OCP\FullTextSearch\Model\ISearchTemplate;
+
+/**
+ * Interface IFullTextSearchProvider
+ *
+ * This interface must be use when creating a Content Provider for FullTextSearch.
+ *
+ * A Content Provider is an extension to the FullTextSearch that will extract and
+ * provide content to the FullTextSearch.
+ *
+ * There is no limit to the number of Content Provider that can be integrated to
+ * FullTextSearch. Each Content Provider corresponding to a type of content
+ * available in Nextcloud (files, bookmarks, notes, deck cards, mails, ...)
+ *
+ * Content is split in document identified by an ID and the ID of the Content
+ * Provider. The content is indexed by a Search Platform that will returns a
+ * documentId as a result on a search request.
+ *
+ *
+ * To oversimplify the mechanism:
+ *
+ * - When indexing, FullTextSearch will ask for documents to every Content Provider.
+ * - On search, results from the Search Platform, identified by documentId, will
+ * be improved by each relative Content Provider.
+ *
+ *
+ * The Content Provider is a PHP class that implement this interface and is defined
+ * in appinfo/info.xml of the app that contains that class:
+ *
+ * <fulltextsearch>
+ * <provider>OCA\YourApp\YourContentProvider</provider>
+ * </fulltextsearch>
+ *
+ * Multiple Content Provider can be defined in a single app.
+ *
+ * @since 15.0.0
+ *
+ */
+interface IFullTextSearchProvider {
+ /**
+ * Must returns a unique Id used to identify the Content Provider.
+ * Id must contains only alphanumeric chars, with no space.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getId(): string;
+
+
+ /**
+ * Must returns a descriptive name of the Content Provider.
+ * This is used in multiple places, so better use a clear display name.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getName(): string;
+
+
+ /**
+ * Should returns the current configuration of the Content Provider.
+ * This is used to display the configuration when using the
+ * ./occ fulltextsearch:check command line.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getConfiguration(): array;
+
+
+ /**
+ * Must returns a ISearchTemplate that contains displayable items and
+ * available options to users when searching.
+ *
+ * @see ISearchTemplate
+ *
+ * @since 15.0.0
+ *
+ * @return ISearchTemplate
+ */
+ public function getSearchTemplate(): ISearchTemplate;
+
+
+ /**
+ * Called when FullTextSearch is loading your Content Provider.
+ *
+ * @since 15.0.0
+ */
+ public function loadProvider();
+
+
+ /**
+ * Set the wrapper of the currently executed process.
+ * Because the index process can be long and heavy, and because errors can
+ * be encountered during the process, the IRunner is a wrapper that allow the
+ * Content Provider to communicate with the process initiated by
+ * FullTextSearch.
+ *
+ * The IRunner is coming with some methods so the Content Provider can
+ * returns important information and errors to be displayed to the admin.
+ *
+ * @since 15.0.0
+ *
+ * @param IRunner $runner
+ */
+ public function setRunner(IRunner $runner);
+
+
+ /**
+ * This method is called when the administrator specify options when running
+ * the ./occ fulltextsearch:index or ./occ fulltextsearch:live
+ *
+ * @since 15.0.0
+ *
+ * @param IIndexOptions $options
+ */
+ public function setIndexOptions(IIndexOptions $options);
+
+
+ /**
+ * Allow the provider to generate a list of chunk to split a huge list of
+ * indexable documents
+ *
+ * During the indexing the generateIndexableDocuments method will be called
+ * for each entry of the returned array.
+ * If the returned array is empty, the generateIndexableDocuments() will be
+ * called only once (per user).
+ *
+ * @since 16.0.0
+ *
+ * @param string $userId
+ *
+ * @return string[]
+ */
+ public function generateChunks(string $userId): array;
+
+
+ /**
+ * Returns all indexable document for a user as an array of IIndexDocument.
+ *
+ * There is no need to fill each IIndexDocument with content; at this point,
+ * only fill the object with the minimum information to not waste memory while
+ * still being able to identify the document it is referring to.
+ *
+ * FullTextSearch will call 2 other methods of this interface for each
+ * IIndexDocument of the array, prior to their indexing:
+ *
+ * - first, to compare the date of the last index,
+ * - then, to fill each IIndexDocument with complete data
+ *
+ * @see IIndexDocument
+ *
+ * @since 15.0.0
+ * -> 16.0.0: the parameter "$chunk" was added
+ *
+ * @param string $userId
+ * @param string $chunk
+ *
+ * @return IIndexDocument[]
+ */
+ public function generateIndexableDocuments(string $userId, string $chunk): array;
+
+
+ /**
+ * Called to verify that the document is not already indexed and that the
+ * old index is not up-to-date, using the IIndex from
+ * IIndexDocument->getIndex()
+ *
+ * Returning true will not queue the current IIndexDocument to any further
+ * operation and will continue on the next element from the list returned by
+ * generateIndexableDocuments().
+ *
+ * @since 15.0.0
+ *
+ * @param IIndexDocument $document
+ *
+ * @return bool
+ */
+ public function isDocumentUpToDate(IIndexDocument $document): bool;
+
+
+ /**
+ * Must fill IIndexDocument with all information relative to the document,
+ * before its indexing by the Search Platform.
+ *
+ * Method is called for each element returned previously by
+ * generateIndexableDocuments().
+ *
+ * @see IIndexDocument
+ *
+ * @since 15.0.0
+ *
+ * @param IIndexDocument $document
+ */
+ public function fillIndexDocument(IIndexDocument $document);
+
+
+ /**
+ * The Search Provider must create and return an IIndexDocument
+ * based on the IIndex and its status. The IIndexDocument must contains all
+ * information as it will be send for indexing.
+ *
+ * Method is called during a cron or a ./occ fulltextsearch:live after a
+ * new document is created, or an old document is set as modified.
+ *
+ * @since 15.0.0
+ *
+ * @param IIndex $index
+ *
+ * @return IIndexDocument
+ */
+ public function updateDocument(IIndex $index): IIndexDocument;
+
+
+ /**
+ * Called when an index is initiated by the administrator.
+ * This is should only be used in case of a specific mapping is needed.
+ * (ie. _almost_ never)
+ *
+ * @since 15.0.0
+ *
+ * @param IFullTextSearchPlatform $platform
+ */
+ public function onInitializingIndex(IFullTextSearchPlatform $platform);
+
+
+ /**
+ * Called when administrator is resetting the index.
+ * This is should only be used in case of a specific mapping has been
+ * created.
+ *
+ * @since 15.0.0
+ *
+ * @param IFullTextSearchPlatform $platform
+ */
+ public function onResettingIndex(IFullTextSearchPlatform $platform);
+
+
+ /**
+ * Method is called when a search request is initiated by a user, prior to
+ * be sent to the Search Platform.
+ *
+ * Your Content Provider can interact with the ISearchRequest to apply the
+ * search options and make the search more precise.
+ *
+ * @see ISearchRequest
+ *
+ * @since 15.0.0
+ *
+ * @param ISearchRequest $searchRequest
+ */
+ public function improveSearchRequest(ISearchRequest $searchRequest);
+
+
+ /**
+ * Method is called after results of a search are returned by the
+ * Search Platform.
+ *
+ * Your Content Provider can detail each entry with local data to improve
+ * the display of the search result.
+ *
+ * @see ISearchResult
+ *
+ * @since 15.0.0
+ *
+ * @param ISearchResult $searchResult
+ */
+ public function improveSearchResult(ISearchResult $searchResult);
+
+
+ /**
+ * not used yet.
+ *
+ * @since 15.0.0
+ */
+ public function unloadProvider();
+}
diff --git a/lib/public/FullTextSearch/Model/IDocumentAccess.php b/lib/public/FullTextSearch/Model/IDocumentAccess.php
new file mode 100644
index 00000000000..407f0f2bb28
--- /dev/null
+++ b/lib/public/FullTextSearch/Model/IDocumentAccess.php
@@ -0,0 +1,235 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Model;
+
+/**
+ * Interface IDocumentAccess
+ *
+ * This object is used as a data transfer object when
+ *
+ * - indexing a document,
+ * - generating a search request.
+ *
+ * During the index, it is used to define which users, groups, circles, ...
+ * have access to the IIndexDocument
+ *
+ * During the search, it is internally use to define to which group, circles, ...
+ * a user that perform the search belongs to.
+ *
+ * @see IIndexDocument::setAccess
+ *
+ * @since 16.0.0
+ *
+ */
+interface IDocumentAccess {
+ /**
+ * Owner of the document can be set at the init of the object.
+ *
+ * @since 16.0.0
+ *
+ * IDocumentAccess constructor.
+ *
+ * @param string $ownerId
+ */
+ public function __construct(string $ownerId = '');
+
+
+ /**
+ * Set the Owner of the document.
+ *
+ * @since 16.0.0
+ *
+ * @param string $ownerId
+ *
+ * @return IDocumentAccess
+ */
+ public function setOwnerId(string $ownerId): IDocumentAccess;
+
+ /**
+ * Get the Owner of the document.
+ *
+ * @since 16.0.0
+ *
+ * @return string
+ */
+ public function getOwnerId(): string;
+
+
+ /**
+ * Set the viewer of the document.
+ *
+ * @since 16.0.0
+ *
+ * @param string $viewerId
+ *
+ * @return IDocumentAccess
+ */
+ public function setViewerId(string $viewerId): IDocumentAccess;
+
+ /**
+ * Get the viewer of the document.
+ *
+ * @since 16.0.0
+ *
+ * @return string
+ */
+ public function getViewerId(): string;
+
+
+ /**
+ * Set the list of users that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @param array $users
+ *
+ * @return IDocumentAccess
+ */
+ public function setUsers(array $users): IDocumentAccess;
+
+ /**
+ * Add an entry to the list of users that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @param string $user
+ *
+ * @return IDocumentAccess
+ */
+ public function addUser(string $user): IDocumentAccess;
+
+ /**
+ * Add multiple entries to the list of users that have read access to the
+ * document.
+ *
+ * @since 16.0.0
+ *
+ * @param array $users
+ *
+ * @return IDocumentAccess
+ */
+ public function addUsers($users): IDocumentAccess;
+
+ /**
+ * Get the complete list of users that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @return array
+ */
+ public function getUsers(): array;
+
+
+ /**
+ * Set the list of groups that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @param array $groups
+ *
+ * @return IDocumentAccess
+ */
+ public function setGroups(array $groups): IDocumentAccess;
+
+ /**
+ * Add an entry to the list of groups that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @param string $group
+ *
+ * @return IDocumentAccess
+ */
+ public function addGroup(string $group): IDocumentAccess;
+
+ /**
+ * Add multiple entries to the list of groups that have read access to the
+ * document.
+ *
+ * @since 16.0.0
+ *
+ * @param array $groups
+ *
+ * @return IDocumentAccess
+ */
+ public function addGroups(array $groups);
+
+ /**
+ * Get the complete list of groups that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @return array
+ */
+ public function getGroups(): array;
+
+
+ /**
+ * Set the list of circles that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @param array $circles
+ *
+ * @return IDocumentAccess
+ */
+ public function setCircles(array $circles): IDocumentAccess;
+
+ /**
+ * Add an entry to the list of circles that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @param string $circle
+ *
+ * @return IDocumentAccess
+ */
+ public function addCircle(string $circle): IDocumentAccess;
+
+ /**
+ * Add multiple entries to the list of groups that have read access to the
+ * document.
+ *
+ * @since 16.0.0
+ *
+ * @param array $circles
+ *
+ * @return IDocumentAccess
+ */
+ public function addCircles(array $circles): IDocumentAccess;
+
+ /**
+ * Get the complete list of circles that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @return array
+ */
+ public function getCircles(): array;
+
+
+ /**
+ * Set the list of links that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @param array $links
+ *
+ * @return IDocumentAccess
+ */
+ public function setLinks(array $links): IDocumentAccess;
+
+ /**
+ * Get the list of links that have read access to the document.
+ *
+ * @since 16.0.0
+ *
+ * @return array
+ */
+ public function getLinks(): array;
+}
diff --git a/lib/public/FullTextSearch/Model/IIndex.php b/lib/public/FullTextSearch/Model/IIndex.php
new file mode 100644
index 00000000000..13aee916498
--- /dev/null
+++ b/lib/public/FullTextSearch/Model/IIndex.php
@@ -0,0 +1,333 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Model;
+
+/**
+ * Interface IIndex
+ *
+ * Index are generated by FullTextSearch to manage the status of a document
+ * regarding the date of the last index and the date of the last modification
+ * of the original document.
+ *
+ * The uniqueness of an IIndexDocument is made by the Id of the Content Provider
+ * and the Id of the original document within the Content Provider.
+ *
+ * We will call original document the source from which the IIndexDocument is
+ * generated. As an example, an original document can be a file, a mail, ...
+ *
+ * @since 15.0.0
+ *
+ */
+interface IIndex {
+ /**
+ * @since 15.0.0
+ */
+ public const INDEX_OK = 1;
+
+ /**
+ * @since 15.0.0
+ */
+ public const INDEX_IGNORE = 2;
+
+ /**
+ * @since 15.0.0
+ */
+ public const INDEX_META = 4;
+
+ /**
+ * @since 15.0.0
+ */
+ public const INDEX_CONTENT = 8;
+
+ /**
+ * @since 16.0.0
+ */
+ public const INDEX_PARTS = 16;
+
+ /**
+ * @since 15.0.0
+ */
+ public const INDEX_FULL = 28;
+
+ /**
+ * @since 15.0.0
+ */
+ public const INDEX_REMOVE = 32;
+
+ /**
+ * @since 15.0.0
+ */
+ public const INDEX_DONE = 64;
+
+ /**
+ * @since 15.0.0
+ */
+ public const INDEX_FAILED = 128;
+
+ /**
+ * @since 15.0.0
+ */
+ public const ERROR_FAILED = 1;
+
+ /**
+ * @since 15.0.0
+ */
+ public const ERROR_FAILED2 = 2;
+
+ /**
+ * @since 15.0.0
+ */
+ public const ERROR_FAILED3 = 4;
+
+ /**
+ * @since 15.0.0
+ */
+ public const ERROR_SEV_1 = 1;
+
+ /**
+ * @since 15.0.0
+ */
+ public const ERROR_SEV_2 = 2;
+
+ /**
+ * @since 15.0.0
+ */
+ public const ERROR_SEV_3 = 3;
+
+ /**
+ * @since 15.0.0
+ */
+ public const ERROR_SEV_4 = 4;
+
+
+ /**
+ * Get the Id of the Content Provider.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getProviderId(): string;
+
+
+ /**
+ * Get the Id of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getDocumentId(): string;
+
+
+ /**
+ * Get the collection of the index.
+ * If empty (''), means collection is the default one used by the internal framework
+ *
+ * @since 24.0.0
+ *
+ * @return string
+ */
+ public function getCollection(): string;
+
+
+ /**
+ * Set the source of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @param string $source
+ *
+ * @return IIndex
+ */
+ public function setSource(string $source): IIndex;
+
+ /**
+ * Get the source of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getSource(): string;
+
+
+ /**
+ * Set the owner of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @param string $ownerId
+ *
+ * @return IIndex
+ */
+ public function setOwnerId(string $ownerId): IIndex;
+
+ /**
+ * Get the owner of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getOwnerId(): string;
+
+
+ /**
+ * Set the current index status (bit flag) of the original document.
+ * If $reset is true, the status is reset to the defined value.
+ *
+ * @since 15.0.0
+ *
+ * @param int $status
+ * @param bool $reset
+ *
+ * @return IIndex
+ */
+ public function setStatus(int $status, bool $reset = false): IIndex;
+
+ /**
+ * Get the current index status of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return int
+ */
+ public function getStatus(): int;
+
+ /**
+ * Check if the document fit a specific status.
+ *
+ * @since 15.0.0
+ *
+ * @param int $status
+ *
+ * @return bool
+ */
+ public function isStatus(int $status): bool;
+
+ /**
+ * Remove a status.
+ *
+ * @since 15.0.0
+ *
+ * @param int $status
+ *
+ * @return IIndex
+ */
+ public function unsetStatus(int $status): IIndex;
+
+
+ /**
+ * Add an option related to the original document (as string).
+ *
+ * @since 15.0.0
+ *
+ * @param string $option
+ * @param string $value
+ *
+ * @return IIndex
+ */
+ public function addOption(string $option, string $value): IIndex;
+
+ /**
+ * Add an option related to the original document (as integer).
+ *
+ * @since 15.0.0
+ *
+ * @param string $option
+ * @param int $value
+ *
+ * @return IIndex
+ */
+ public function addOptionInt(string $option, int $value): IIndex;
+
+ /**
+ * Get the option related to the original document (as string).
+ *
+ * @since 15.0.0
+ *
+ * @param string $option
+ * @param string $default
+ *
+ * @return string
+ */
+ public function getOption(string $option, string $default = ''): string;
+
+ /**
+ * Get the option related to the original document (as integer).
+ *
+ * @since 15.0.0
+ *
+ * @param string $option
+ * @param int $default
+ *
+ * @return int
+ */
+ public function getOptionInt(string $option, int $default = 0): int;
+
+ /**
+ * Get all options related to the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getOptions(): array;
+
+
+ /**
+ * Add an error log related to the Index.
+ *
+ * @since 15.0.0
+ *
+ * @param string $message
+ * @param string $exception
+ * @param int $sev
+ *
+ * @return IIndex
+ */
+ public function addError(string $message, string $exception = '', int $sev = self::ERROR_SEV_3): IIndex;
+
+ /**
+ * Returns the number of known errors related to the Index.
+ *
+ * @since 15.0.0
+ *
+ * @return int
+ */
+ public function getErrorCount(): int;
+
+ /**
+ * Reset all error logs related to the Index.
+ *
+ * @since 15.0.0
+ */
+ public function resetErrors(): IIndex;
+
+
+ /**
+ * Set the date of the last index.
+ *
+ * @since 15.0.0
+ *
+ * @param int $lastIndex
+ *
+ * @return IIndex
+ */
+ public function setLastIndex(int $lastIndex = -1): IIndex;
+
+ /**
+ * Get the date of the last index.
+ *
+ * @since 15.0.0
+ *
+ * @return int
+ */
+ public function getLastIndex(): int;
+}
diff --git a/lib/public/FullTextSearch/Model/IIndexDocument.php b/lib/public/FullTextSearch/Model/IIndexDocument.php
new file mode 100644
index 00000000000..ae93272d246
--- /dev/null
+++ b/lib/public/FullTextSearch/Model/IIndexDocument.php
@@ -0,0 +1,613 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Model;
+
+/**
+ * Class IIndexDocument
+ *
+ * This is one of the main class of the FullTextSearch, used as a data transfer
+ * object. An IIndexDocument is created to manage documents around FullTextSearch,
+ * during an index and during a search.
+ * The uniqueness of an IIndexDocument is made by the Id of the Content Provider
+ * and the Id of the original document within the Content Provider.
+ *
+ * We will call original document the source from which the IIndexDocument is
+ * generated. As an example, an original document can be a file, a mail, ...
+ *
+ * @since 15.0.0
+ */
+interface IIndexDocument {
+ /**
+ * @since 15.0.0
+ */
+ public const NOT_ENCODED = 0;
+
+ /**
+ * @since 15.0.0
+ */
+ public const ENCODED_BASE64 = 1;
+
+
+
+ /**
+ * Returns the Id of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getId(): string;
+
+
+ /**
+ * Returns the Id of the provider.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getProviderId(): string;
+
+
+ /**
+ * Set the Index related to the IIndexDocument.
+ *
+ * @see IIndex
+ *
+ * @since 15.0.0
+ *
+ * @param IIndex $index
+ *
+ * @return IIndexDocument
+ */
+ public function setIndex(IIndex $index): IIndexDocument;
+
+ /**
+ * Get the Index.
+ *
+ * @since 15.0.0
+ *
+ * @return IIndex
+ */
+ public function getIndex(): IIndex;
+
+ /**
+ * return if Index is defined.
+ *
+ * @since 16.0.0
+ *
+ * @return bool
+ */
+ public function hasIndex(): bool;
+
+
+ /**
+ * Set the modified time of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @param int $modifiedTime
+ *
+ * @return IIndexDocument
+ */
+ public function setModifiedTime(int $modifiedTime): IIndexDocument;
+
+ /**
+ * Get the modified time of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return int
+ */
+ public function getModifiedTime(): int;
+
+ /**
+ * Check if the original document of the IIndexDocument is older than $time.
+ *
+ * @since 15.0.0
+ *
+ * @param int $time
+ *
+ * @return bool
+ */
+ public function isOlderThan(int $time): bool;
+
+
+ /**
+ * Set the read rights of the original document using a IDocumentAccess.
+ *
+ * @see IDocumentAccess
+ *
+ * @since 15.0.0
+ *
+ * @param IDocumentAccess $access
+ *
+ * @return $this
+ */
+ public function setAccess(IDocumentAccess $access): IIndexDocument;
+
+ /**
+ * Get the IDocumentAccess related to the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return IDocumentAccess
+ */
+ public function getAccess(): IDocumentAccess;
+
+
+ /**
+ * Add a tag to the list.
+ *
+ * @since 15.0.0
+ *
+ * @param string $tag
+ *
+ * @return IIndexDocument
+ */
+ public function addTag(string $tag): IIndexDocument;
+
+ /**
+ * Set the list of tags assigned to the original document.
+ *
+ * @since 15.0.0
+ *
+ * @param array $tags
+ *
+ * @return IIndexDocument
+ */
+ public function setTags(array $tags): IIndexDocument;
+
+ /**
+ * Get the list of tags assigned to the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getTags(): array;
+
+
+ /**
+ * Add a meta tag to the list.
+ *
+ * @since 15.0.0
+ *
+ * @param string $tag
+ *
+ * @return IIndexDocument
+ */
+ public function addMetaTag(string $tag): IIndexDocument;
+
+ /**
+ * Set the list of meta tags assigned to the original document.
+ *
+ * @since 15.0.0
+ *
+ * @param array $tags
+ *
+ * @return IIndexDocument
+ */
+ public function setMetaTags(array $tags): IIndexDocument;
+
+ /**
+ * Get the list of meta tags assigned to the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getMetaTags(): array;
+
+
+ /**
+ * Add a sub tag to the list.
+ *
+ * @since 15.0.0
+ *
+ * @param string $sub
+ * @param string $tag
+ *
+ * @return IIndexDocument
+ */
+ public function addSubTag(string $sub, string $tag): IIndexDocument;
+
+ /**
+ * Set the list of sub tags assigned to the original document.
+ *
+ * @since 15.0.0
+ *
+ * @param array $tags
+ *
+ * @return IIndexDocument
+ */
+ public function setSubTags(array $tags): IIndexDocument;
+
+ /**
+ * Get the list of sub tags assigned to the original document.
+ * If $formatted is true, the result will be formatted in a one
+ * dimensional array.
+ *
+ * @since 15.0.0
+ *
+ * @param bool $formatted
+ *
+ * @return array
+ */
+ public function getSubTags(bool $formatted = false): array;
+
+
+ /**
+ * Set the source of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @param string $source
+ *
+ * @return IIndexDocument
+ */
+ public function setSource(string $source): IIndexDocument;
+
+ /**
+ * Get the source of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getSource(): string;
+
+
+ /**
+ * Set the title of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @param string $title
+ *
+ * @return IIndexDocument
+ */
+ public function setTitle(string $title): IIndexDocument;
+
+ /**
+ * Get the title of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getTitle(): string;
+
+
+ /**
+ * Set the content of the document.
+ * $encoded can be NOT_ENCODED or ENCODED_BASE64 if the content is raw or
+ * encoded in base64.
+ *
+ * @since 15.0.0
+ *
+ * @param string $content
+ * @param int $encoded
+ *
+ * @return IIndexDocument
+ */
+ public function setContent(string $content, int $encoded = 0): IIndexDocument;
+
+ /**
+ * Get the content of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getContent(): string;
+
+ /**
+ * Returns the type of the encoding on the content.
+ *
+ * @since 15.0.0
+ *
+ * @return int
+ */
+ public function isContentEncoded(): int;
+
+ /**
+ * Return the size of the content.
+ *
+ * @since 15.0.0
+ *
+ * @return int
+ */
+ public function getContentSize(): int;
+
+
+ /**
+ * Generate an hash, based on the content of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return IIndexDocument
+ */
+ public function initHash(): IIndexDocument;
+
+ /**
+ * Set the hash of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @param string $hash
+ *
+ * @return IIndexDocument
+ */
+ public function setHash(string $hash): IIndexDocument;
+
+ /**
+ * Get the hash of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getHash(): string;
+
+
+ /**
+ * Add a part, identified by a string, and its content.
+ *
+ * It is strongly advised to use alphanumerical chars with no space in the
+ * $part string.
+ *
+ * @since 15.0.0
+ *
+ * @param string $part
+ * @param string $content
+ *
+ * @return IIndexDocument
+ */
+ public function addPart(string $part, string $content): IIndexDocument;
+
+ /**
+ * Set all parts and their content.
+ *
+ * @since 15.0.0
+ *
+ * @param array $parts
+ *
+ * @return IIndexDocument
+ */
+ public function setParts(array $parts): IIndexDocument;
+
+ /**
+ * Get all parts of the IIndexDocument.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getParts(): array;
+
+
+ /**
+ * Add a link, usable by the frontend.
+ *
+ * @since 15.0.0
+ *
+ * @param string $link
+ *
+ * @return IIndexDocument
+ */
+ public function setLink(string $link): IIndexDocument;
+
+ /**
+ * Get the link.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getLink(): string;
+
+
+ /**
+ * Set more information that couldn't be set using other method.
+ *
+ * @since 15.0.0
+ *
+ * @param array $more
+ *
+ * @return IIndexDocument
+ */
+ public function setMore(array $more): IIndexDocument;
+
+ /**
+ * Get more information.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getMore(): array;
+
+
+ /**
+ * Add some excerpt of the content of the original document, usually based
+ * on the search request.
+ *
+ * @since 16.0.0
+ *
+ * @param string $source
+ * @param string $excerpt
+ *
+ * @return IIndexDocument
+ */
+ public function addExcerpt(string $source, string $excerpt): IIndexDocument;
+
+ /**
+ * Set all excerpts of the content of the original document.
+ *
+ * @since 16.0.0
+ *
+ * @param array $excerpts
+ *
+ * @return IIndexDocument
+ */
+ public function setExcerpts(array $excerpts): IIndexDocument;
+
+ /**
+ * Get all excerpts of the content of the original document.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getExcerpts(): array;
+
+
+ /**
+ * Set the score to the result assigned to this document during a search
+ * request.
+ *
+ * @since 15.0.0
+ *
+ * @param string $score
+ *
+ * @return IIndexDocument
+ */
+ public function setScore(string $score): IIndexDocument;
+
+ /**
+ * Get the score.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getScore(): string;
+
+
+ /**
+ * Set some information about the original document that will be available
+ * to the front-end when displaying search result. (as string)
+ * Because this information will not be indexed, this method can also be
+ * used to manage some data while filling the IIndexDocument before its
+ * indexing.
+ *
+ * @since 15.0.0
+ *
+ * @param string $info
+ * @param string $value
+ *
+ * @return IIndexDocument
+ */
+ public function setInfo(string $info, string $value): IIndexDocument;
+
+ /**
+ * Get an information about a document. (string)
+ *
+ * @since 15.0.0
+ *
+ * @param string $info
+ * @param string $default
+ *
+ * @return string
+ */
+ public function getInfo(string $info, string $default = ''): string;
+
+ /**
+ * Set some information about the original document that will be available
+ * to the front-end when displaying search result. (as array)
+ * Because this information will not be indexed, this method can also be
+ * used to manage some data while filling the IIndexDocument before its
+ * indexing.
+ *
+ * @since 15.0.0
+ *
+ * @param string $info
+ * @param array $value
+ *
+ * @return IIndexDocument
+ */
+ public function setInfoArray(string $info, array $value): IIndexDocument;
+
+ /**
+ * Get an information about a document. (array)
+ *
+ * @since 15.0.0
+ *
+ * @param string $info
+ * @param array $default
+ *
+ * @return array
+ */
+ public function getInfoArray(string $info, array $default = []): array;
+
+ /**
+ * Set some information about the original document that will be available
+ * to the front-end when displaying search result. (as int)
+ * Because this information will not be indexed, this method can also be
+ * used to manage some data while filling the IIndexDocument before its
+ * indexing.
+ *
+ * @since 15.0.0
+ *
+ * @param string $info
+ * @param int $value
+ *
+ * @return IIndexDocument
+ */
+ public function setInfoInt(string $info, int $value): IIndexDocument;
+
+ /**
+ * Get an information about a document. (int)
+ *
+ * @since 15.0.0
+ *
+ * @param string $info
+ * @param int $default
+ *
+ * @return int
+ */
+ public function getInfoInt(string $info, int $default = 0): int;
+
+ /**
+ * Set some information about the original document that will be available
+ * to the front-end when displaying search result. (as bool)
+ * Because this information will not be indexed, this method can also be
+ * used to manage some data while filling the IIndexDocument before its
+ * indexing.
+ *
+ * @since 15.0.0
+ *
+ * @param string $info
+ * @param bool $value
+ *
+ * @return IIndexDocument
+ */
+ public function setInfoBool(string $info, bool $value): IIndexDocument;
+
+ /**
+ * Get an information about a document. (bool)
+ *
+ * @since 15.0.0
+ *
+ * @param string $info
+ * @param bool $default
+ *
+ * @return bool
+ */
+ public function getInfoBool(string $info, bool $default = false): bool;
+
+ /**
+ * Get all info.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getInfoAll(): array;
+}
diff --git a/lib/public/FullTextSearch/Model/IIndexOptions.php b/lib/public/FullTextSearch/Model/IIndexOptions.php
new file mode 100644
index 00000000000..951da3b9a76
--- /dev/null
+++ b/lib/public/FullTextSearch/Model/IIndexOptions.php
@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Model;
+
+/**
+ * Interface IIndexOptions
+ *
+ * IndexOptions are created in FullTextSearch when an admin initiate an index
+ * from the command line:
+ *
+ * ./occ fulltextsearch:index "{\"option1\": \"value\", \"option2\": true}"
+ *
+ * @since 15.0.0
+ *
+ */
+interface IIndexOptions {
+ /**
+ * Get the value (as a string) for an option.
+ *
+ * @since 15.0.0
+ *
+ * @param string $option
+ * @param string $default
+ *
+ * @return string
+ */
+ public function getOption(string $option, string $default = ''): string;
+
+ /**
+ * Get the value (as an array) for an option.
+ *
+ * @since 15.0.0
+ *
+ * @param string $option
+ * @param array $default
+ *
+ * @return array
+ */
+ public function getOptionArray(string $option, array $default = []): array;
+
+ /**
+ * Get the value (as an boolean) for an option.
+ *
+ * @since 15.0.0
+ *
+ * @param string $option
+ * @param bool $default
+ *
+ * @return bool
+ */
+ public function getOptionBool(string $option, bool $default): bool;
+}
diff --git a/lib/public/FullTextSearch/Model/IRunner.php b/lib/public/FullTextSearch/Model/IRunner.php
new file mode 100644
index 00000000000..3ea7de43dd7
--- /dev/null
+++ b/lib/public/FullTextSearch/Model/IRunner.php
@@ -0,0 +1,123 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Model;
+
+/**
+ * Interface IRunner
+ *
+ * The indexing process can be long and heavy, and because errors can
+ * be encountered the process is wrapped using this interface.
+ * It allows the any extension of FullTextSearch to communicate with the process.
+ *
+ * The IRunner is coming with some methods so the Search Platform can
+ * returns important information and errors to be displayed to the admin.
+ *
+ * @since 15.0.0
+ *
+ */
+interface IRunner {
+ /**
+ * @since 15.0.0
+ */
+ public const RESULT_TYPE_SUCCESS = 1;
+
+ /**
+ * @since 15.0.0
+ */
+ public const RESULT_TYPE_WARNING = 4;
+
+ /**
+ * @since 15.0.0
+ */
+ public const RESULT_TYPE_FAIL = 9;
+
+
+ /**
+ * Info are displayed in the user interface when an admin execute the
+ * ./occ fulltextsearch:index command.
+ *
+ * quick list of info that can be edited:
+ * 'documentId', 'info', 'title', 'resultIndex', 'resultStatus',
+ * 'content', 'documentCurrent', 'documentTotal', 'progressStatus',
+ * 'errorCurrent', 'errorException', 'errorIndex'.
+ *
+ * List of all editable info can be find in the Command\Index.php of the
+ * FullTextSearch app.
+ * (look for a comment 'full list of info that can be edited')
+ *
+ * @since 15.0.0
+ *
+ * @param string $info
+ * @param string $value
+ */
+ public function setInfo(string $info, string $value);
+
+
+ /**
+ * This method should be used when editing multiple info to avoid too many
+ * refresh of the interface.
+ *
+ * @since 15.0.0
+ *
+ * @param array $data
+ */
+ public function setInfoArray(array $data);
+
+
+ /**
+ * Method used to update the current Action when an index is running.
+ *
+ * This method should be used instead of manually update the 'action' using
+ * setInfo()/setInfoArray() as it is also used to keep the process alive,
+ * manage the input, and some statistics of the load of the process.
+ *
+ * $action is a string with no space
+ * $force should be set to true if the action is heavy while being executed
+ * multiple times
+ *
+ * @since 15.0.0
+ *
+ * @param string $action
+ * @param bool $force
+ *
+ * @return string
+ * @throws \Exception
+ */
+ public function updateAction(string $action = '', bool $force = false): string;
+
+
+ /**
+ * Call this method in a Search Platform or Content Provider if there is an
+ * issue while generating a document or while indexing the current document.
+ * This is used to store and display errors in the UI during an index to help
+ * admin to keep track of errors.
+ *
+ * @since 15.0.0
+ *
+ * @param IIndex $index
+ * @param string $message
+ * @param string $class
+ * @param int $sev
+ */
+ public function newIndexError(IIndex $index, string $message, string $class = '', int $sev = 3);
+
+
+ /**
+ * Call this method only in a Search Platform after an index of a document.
+ * This is used to store and display results (good or bad) in the UI during
+ * an index to help admin to keep track of fail and successful indexes.
+ *
+ * @since 15.0.0
+ *
+ * @param IIndex $index
+ * @param string $message
+ * @param string $status
+ * @param int $type
+ */
+ public function newIndexResult(IIndex $index, string $message, string $status, int $type);
+}
diff --git a/lib/public/FullTextSearch/Model/ISearchOption.php b/lib/public/FullTextSearch/Model/ISearchOption.php
new file mode 100644
index 00000000000..50e2cb5010a
--- /dev/null
+++ b/lib/public/FullTextSearch/Model/ISearchOption.php
@@ -0,0 +1,143 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Model;
+
+/**
+ * @since 16.0.0
+ *
+ * Interface ISearchOption
+ *
+ */
+interface ISearchOption {
+ /**
+ * @since 16.0.0
+ */
+ public const CHECKBOX = 'checkbox';
+
+ /**
+ * @since 16.0.0
+ */
+ public const INPUT = 'input';
+
+ /**
+ * @since 16.0.0
+ */
+ public const INPUT_SMALL = 'small';
+
+
+ /**
+ * Set the name/key of the option.
+ * The string should only contains alphanumerical chars and underscore.
+ * The key can be retrieve when using ISearchRequest::getOption
+ *
+ * @see ISearchRequest::getOption
+ *
+ * @since 16.0.0
+ *
+ * @param string $name
+ *
+ * @return ISearchOption
+ */
+ public function setName(string $name): ISearchOption;
+
+ /**
+ * Get the name/key of the option.
+ *
+ * @since 16.0.0
+ *
+ * @return string
+ */
+ public function getName(): string;
+
+
+ /**
+ * Set the title/display name of the option.
+ *
+ * @since 16.0.0
+ *
+ * @param string $title
+ *
+ * @return ISearchOption
+ */
+ public function setTitle(string $title): ISearchOption;
+
+ /**
+ * Get the title of the option.
+ *
+ * @since 16.0.0
+ *
+ * @return string
+ */
+ public function getTitle(): string;
+
+
+ /**
+ * Set the type of the option.
+ * $type can be ISearchOption::CHECKBOX or ISearchOption::INPUT
+ *
+ * @since 16.0.0
+ *
+ * @param string $type
+ *
+ * @return ISearchOption
+ */
+ public function setType(string $type): ISearchOption;
+
+ /**
+ * Get the type of the option.
+ *
+ * @since 16.0.0
+ *
+ * @return string
+ */
+ public function getType(): string;
+
+
+ /**
+ * In case of Type is INPUT, set the size of the input field.
+ * Value can be ISearchOption::INPUT_SMALL or not defined.
+ *
+ * @since 16.0.0
+ *
+ * @param string $size
+ *
+ * @return ISearchOption
+ */
+ public function setSize(string $size): ISearchOption;
+
+ /**
+ * Get the size of the INPUT.
+ *
+ * @since 16.0.0
+ *
+ * @return string
+ */
+ public function getSize(): string;
+
+
+ /**
+ * In case of Type is , set the placeholder to be displayed in the input
+ * field.
+ *
+ * @since 16.0.0
+ *
+ * @param string $placeholder
+ *
+ * @return ISearchOption
+ */
+ public function setPlaceholder(string $placeholder): ISearchOption;
+
+ /**
+ * Get the placeholder.
+ *
+ * @since 16.0.0
+ *
+ * @return string
+ */
+ public function getPlaceholder(): string;
+}
diff --git a/lib/public/FullTextSearch/Model/ISearchRequest.php b/lib/public/FullTextSearch/Model/ISearchRequest.php
new file mode 100644
index 00000000000..9dc9613c407
--- /dev/null
+++ b/lib/public/FullTextSearch/Model/ISearchRequest.php
@@ -0,0 +1,339 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Model;
+
+/**
+ * Interface ISearchRequest
+ *
+ * When a search request is initiated, from a request from the front-end or using
+ * the IFullTextSearchManager::search() method, FullTextSearch will create a
+ * SearchRequest object, based on this interface.
+ *
+ * The object will be passed to the targeted Content Provider so it can convert
+ * search options using available method.
+ *
+ * The object is then encapsulated in a SearchResult and send to the
+ * Search Platform.
+ *
+ * @since 15.0.0
+ *
+ *
+ */
+interface ISearchRequest {
+ /**
+ * Get the maximum number of results to be returns by the Search Platform.
+ *
+ * @since 15.0.0
+ *
+ * @return int
+ */
+ public function getSize(): int;
+
+
+ /**
+ * Get the current page.
+ * Used by pagination.
+ *
+ * @since 15.0.0
+ *
+ * @return int
+ */
+ public function getPage(): int;
+
+
+ /**
+ * Get the author of the request.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getAuthor(): string;
+
+ /**
+ * Get the searched string.
+ *
+ * @since 15.0.0
+ *
+ * @return string
+ */
+ public function getSearch(): string;
+
+ /**
+ * Set the searched string.
+ *
+ * @param string $search
+ *
+ * @since 17.0.0
+ *
+ * @return ISearchRequest
+ */
+ public function setSearch(string $search): ISearchRequest;
+
+ /**
+ * Extends the searched string.
+ *
+ * @since 17.0.0
+ *
+ * @param string $search
+ *
+ * @return ISearchRequest
+ */
+ public function addSearch(string $search): ISearchRequest;
+
+
+ /**
+ * Get the value of an option (as string).
+ *
+ * @since 15.0.0
+ *
+ * @param string $option
+ * @param string $default
+ *
+ * @return string
+ */
+ public function getOption(string $option, string $default = ''): string;
+
+ /**
+ * Get the value of an option (as array).
+ *
+ * @since 15.0.0
+ *
+ * @param string $option
+ * @param array $default
+ *
+ * @return array
+ */
+ public function getOptionArray(string $option, array $default = []): array;
+
+
+ /**
+ * Limit the search to a part of the document.
+ *
+ * @since 15.0.0
+ *
+ * @param string $part
+ *
+ * @return ISearchRequest
+ */
+ public function addPart(string $part): ISearchRequest;
+
+ /**
+ * Limit the search to an array of parts of the document.
+ *
+ * @since 15.0.0
+ *
+ * @param array $parts
+ *
+ * @return ISearchRequest
+ */
+ public function setParts(array $parts): ISearchRequest;
+
+ /**
+ * Get the parts the search is limited to.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getParts(): array;
+
+
+ /**
+ * Limit the search to a specific meta tag.
+ *
+ * @since 15.0.0
+ *
+ * @param string $tag
+ *
+ * @return ISearchRequest
+ */
+ public function addMetaTag(string $tag): ISearchRequest;
+
+ /**
+ * Get the meta tags the search is limited to.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getMetaTags(): array;
+
+ /**
+ * Limit the search to an array of meta tags.
+ *
+ * @since 15.0.0
+ *
+ * @param array $tags
+ *
+ * @return ISearchRequest
+ */
+ public function setMetaTags(array $tags): ISearchRequest;
+
+
+ /**
+ * Limit the search to a specific sub tag.
+ *
+ * @since 15.0.0
+ *
+ * @param string $source
+ * @param string $tag
+ *
+ * @return ISearchRequest
+ */
+ public function addSubTag(string $source, string $tag): ISearchRequest;
+
+ /**
+ * Get the sub tags the search is limited to.
+ *
+ * @since 15.0.0
+ *
+ * @param bool $formatted
+ *
+ * @return array
+ */
+ public function getSubTags(bool $formatted): array;
+
+ /**
+ * Limit the search to an array of sub tags.
+ *
+ * @since 15.0.0
+ *
+ * @param array $tags
+ *
+ * @return ISearchRequest
+ */
+ public function setSubTags(array $tags): ISearchRequest;
+
+
+ /**
+ * Limit the search to a specific field of the mapping, using a full string.
+ *
+ * @since 15.0.0
+ *
+ * @param string $field
+ *
+ * @return ISearchRequest
+ */
+ public function addLimitField(string $field): ISearchRequest;
+
+ /**
+ * Get the fields the search is limited to.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getLimitFields(): array;
+
+
+ /**
+ * Limit the search to a specific field of the mapping, using a wildcard on
+ * the search string.
+ *
+ * @since 15.0.0
+ *
+ * @param string $field
+ *
+ * @return ISearchRequest
+ */
+ public function addWildcardField(string $field): ISearchRequest;
+
+ /**
+ * Get the limit to field of the mapping.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getWildcardFields(): array;
+
+
+ /**
+ * Filter the results, based on a group of field, using regex
+ *
+ * @since 15.0.0
+ *
+ * @param array $filters
+ *
+ * @return ISearchRequest
+ */
+ public function addRegexFilters(array $filters): ISearchRequest;
+
+ /**
+ * Get the regex filters the search is limit to.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getRegexFilters(): array;
+
+
+ /**
+ * Filter the results, based on a group of field, using wildcard
+ *
+ * @since 15.0.0
+ *
+ * @param array $filter
+ *
+ * @return ISearchRequest
+ */
+ public function addWildcardFilter(array $filter): ISearchRequest;
+
+ /**
+ * Get the wildcard filters the search is limit to.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getWildcardFilters(): array;
+
+
+ /**
+ * Add an extra field to the search.
+ *
+ * @since 15.0.0
+ *
+ * @param string $field
+ *
+ * @return ISearchRequest
+ */
+ public function addField(string $field): ISearchRequest;
+
+ /**
+ * Get the list of extra field to search into.
+ *
+ * @since 15.0.0
+ *
+ * @return array
+ */
+ public function getFields(): array;
+
+
+
+ /**
+ * Add a MUST search on an extra field
+ *
+ * @param ISearchRequestSimpleQuery $query
+ *
+ * @return ISearchRequest
+ * @since 17.0.0
+ */
+ public function addSimpleQuery(ISearchRequestSimpleQuery $query): ISearchRequest;
+
+
+ /**
+ * Get the list of queries on extra field.
+ *
+ * @return ISearchRequestSimpleQuery[]
+ * @since 17.0.0
+ */
+ public function getSimpleQueries(): array;
+}
diff --git a/lib/public/FullTextSearch/Model/ISearchRequestSimpleQuery.php b/lib/public/FullTextSearch/Model/ISearchRequestSimpleQuery.php
new file mode 100644
index 00000000000..3a6217398b6
--- /dev/null
+++ b/lib/public/FullTextSearch/Model/ISearchRequestSimpleQuery.php
@@ -0,0 +1,153 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Model;
+
+/**
+ * Interface ISearchRequestSimpleQuery
+ *
+ * Add a Query during a Search Request...
+ * - on a specific field,
+ * - using a specific value,
+ * - with a specific comparison
+ *
+ * @since 17.0.0
+ *
+ */
+interface ISearchRequestSimpleQuery {
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_TEXT = 1;
+
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_KEYWORD = 2;
+
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_INT_EQ = 3;
+
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_INT_GTE = 4;
+
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_INT_GT = 5;
+
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_INT_LTE = 6;
+
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_INT_LT = 7;
+
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_BOOL = 8;
+
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_ARRAY = 9;
+
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_REGEX = 10;
+
+ /**
+ * @since 17.0.0
+ */
+ public const COMPARE_TYPE_WILDCARD = 11;
+
+
+ /**
+ * Get the compare type of the query
+ *
+ * @return int
+ * @since 17.0.0
+ */
+ public function getType(): int;
+
+
+ /**
+ * Get the field to apply query
+ *
+ * @return string
+ * @since 17.0.0
+ */
+ public function getField(): string;
+
+ /**
+ * Set the field to apply query
+ *
+ * @param string $field
+ *
+ * @return ISearchRequestSimpleQuery
+ * @since 17.0.0
+ */
+ public function setField(string $field): ISearchRequestSimpleQuery;
+
+
+ /**
+ * Get the all values to compare
+ *
+ * @return array
+ * @since 17.0.0
+ */
+ public function getValues(): array;
+
+ /**
+ * Add value to compare (string)
+ *
+ * @param string $value
+ *
+ * @return ISearchRequestSimpleQuery
+ * @since 17.0.0
+ */
+ public function addValue(string $value): ISearchRequestSimpleQuery;
+
+ /**
+ * Add value to compare (int)
+ *
+ * @param int $value
+ *
+ * @return ISearchRequestSimpleQuery
+ * @since 17.0.0
+ */
+ public function addValueInt(int $value): ISearchRequestSimpleQuery;
+
+ /**
+ * Add value to compare (array)
+ *
+ * @param array $value
+ *
+ * @return ISearchRequestSimpleQuery
+ * @since 17.0.0
+ */
+ public function addValueArray(array $value): ISearchRequestSimpleQuery;
+
+ /**
+ * Add value to compare (bool)
+ *
+ * @param bool $value
+ *
+ * @return ISearchRequestSimpleQuery
+ * @since 17.0.0
+ */
+ public function addValueBool(bool $value): ISearchRequestSimpleQuery;
+}
diff --git a/lib/public/FullTextSearch/Model/ISearchResult.php b/lib/public/FullTextSearch/Model/ISearchResult.php
new file mode 100644
index 00000000000..cf902835a4c
--- /dev/null
+++ b/lib/public/FullTextSearch/Model/ISearchResult.php
@@ -0,0 +1,168 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Model;
+
+use OCP\FullTextSearch\IFullTextSearchProvider;
+
+/**
+ * Interface ISearchResult
+ *
+ * When a search request is initiated, FullTextSearch will create a SearchResult
+ * object, based on this interface, containing the SearchRequest and the targeted
+ * Content Provider.
+ *
+ * The object will be passed to the Search Platform, which will proceed to the
+ * search and fill the SearchResult object with results.
+ *
+ * Then, the object will be passed to the targeted Content Provider that will
+ * improve the Search Results with detailed information.
+ *
+ * Finally, the SearchResult is returned to the original search request.
+ *
+ * @since 15.0.0
+ *
+ */
+interface ISearchResult {
+ /**
+ * Get the original SearchRequest.
+ *
+ * @see ISearchRequest
+ *
+ * @since 15.0.0
+ *
+ * @return ISearchRequest
+ */
+ public function getRequest(): ISearchRequest;
+
+ /**
+ * Get the targeted Content Provider.
+ *
+ * @since 15.0.0
+ *
+ * @return IFullTextSearchProvider
+ */
+ public function getProvider(): IFullTextSearchProvider;
+
+
+ /**
+ * Add an IIndexDocument as one of the result of the search request.
+ *
+ * @since 15.0.0
+ *
+ * @param IIndexDocument $document
+ *
+ * @return ISearchResult
+ */
+ public function addDocument(IIndexDocument $document): ISearchResult;
+
+ /**
+ * Returns all result of the search request, in an array of IIndexDocument.
+ *
+ * @since 15.0.0
+ *
+ * @return IIndexDocument[]
+ */
+ public function getDocuments(): array;
+
+ /**
+ * Set an array of IIndexDocument as the result of the search request.
+ *
+ * @since 15.0.0
+ *
+ * @param IIndexDocument[] $documents
+ *
+ * @return ISearchResult
+ */
+ public function setDocuments(array $documents): ISearchResult;
+
+
+ /**
+ * Add an aggregation to the result.
+ *
+ * @since 15.0.0
+ *
+ * @param string $category
+ * @param string $value
+ * @param int $count
+ *
+ * @return ISearchResult
+ */
+ public function addAggregation(string $category, string $value, int $count): ISearchResult;
+
+ /**
+ * Get all aggregations.
+ *
+ * @since 15.0.0
+ *
+ * @param string $category
+ *
+ * @return array
+ */
+ public function getAggregations(string $category): array;
+
+
+ /**
+ * Set the raw result of the request.
+ *
+ * @since 15.0.0
+ *
+ * @param string $result
+ *
+ * @return ISearchResult
+ */
+ public function setRawResult(string $result): ISearchResult;
+
+
+ /**
+ * Set the total number of results for the search request.
+ * Used by pagination.
+ *
+ * @since 15.0.0
+ *
+ * @param int $total
+ *
+ * @return ISearchResult
+ */
+ public function setTotal(int $total): ISearchResult;
+
+
+ /**
+ * Set the top score for the search request.
+ *
+ * @since 15.0.0
+ *
+ * @param int $score
+ *
+ * @return ISearchResult
+ */
+ public function setMaxScore(int $score): ISearchResult;
+
+
+ /**
+ * Set the time spent by the request to perform the search.
+ *
+ * @since 15.0.0
+ *
+ * @param int $time
+ *
+ * @return ISearchResult
+ */
+ public function setTime(int $time): ISearchResult;
+
+
+ /**
+ * Set to true if the request timed out.
+ *
+ * @since 15.0.0
+ *
+ * @param bool $timedOut
+ *
+ * @return ISearchResult
+ */
+ public function setTimedOut(bool $timedOut): ISearchResult;
+}
diff --git a/lib/public/FullTextSearch/Model/ISearchTemplate.php b/lib/public/FullTextSearch/Model/ISearchTemplate.php
new file mode 100644
index 00000000000..89f683ca013
--- /dev/null
+++ b/lib/public/FullTextSearch/Model/ISearchTemplate.php
@@ -0,0 +1,149 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Model;
+
+use OCP\FullTextSearch\IFullTextSearchProvider;
+
+/**
+ * Class ISearchTemplate
+ *
+ * This is a data transfer object that should be created by Content Provider
+ * when the getSearchTemplate() method is called.
+ *
+ * The object will contain templates to be displayed, and the list of the different
+ * options to be available to the user when they start a new search.
+ *
+ * The display of the Options is generated by the FullTextSearch app and Options
+ * can be displayed in 2 places:
+ *
+ * - the navigation page of the app that generate the indexed content.
+ * (files, bookmarks, deck, mails, ...)
+ * - the navigation page of the FullTextSearch app.
+ *
+ * Both pages will have different Options, and only the first one can integrate
+ * a specific template.
+ *
+ * @see IFullTextSearchProvider::getSearchTemplate
+ *
+ * @since 16.0.0
+ *
+ */
+interface ISearchTemplate {
+ /**
+ * Set the class of the icon to be displayed in the left panel of the
+ * FullTextSearch navigation page, in front of the related Content Provider.
+ *
+ * @since 16.0.0
+ *
+ * @param string $class
+ *
+ * @return ISearchTemplate
+ */
+ public function setIcon(string $class): ISearchTemplate;
+
+ /**
+ * Get the class of the icon.
+ *
+ * @since 16.0.0
+ *
+ * @return string
+ */
+ public function getIcon(): string;
+
+
+ /**
+ * Set the path of a CSS file that will be loaded when needed.
+ *
+ * @since 16.0.0
+ *
+ * @param string $css
+ *
+ * @return ISearchTemplate
+ */
+ public function setCss(string $css): ISearchTemplate;
+
+ /**
+ * Get the path of the CSS file.
+ *
+ * @since 16.0.0
+ *
+ * @return string
+ */
+ public function getCss(): string;
+
+
+ /**
+ * Set the path of the file of a template that the HTML will be displayed
+ * below the Options.
+ * This should only be used if your Content Provider needs to set options in
+ * a way not generated by FullTextSearch
+ *
+ * @since 16.0.0
+ *
+ * @param string $template
+ *
+ * @return ISearchTemplate
+ */
+ public function setTemplate(string $template): ISearchTemplate;
+
+ /**
+ * Get the path of the template file.
+ *
+ * @since 16.0.0
+ *
+ * @return string
+ */
+ public function getTemplate(): string;
+
+
+ /**
+ * Add an option in the Panel that is displayed when the user start a search
+ * within the app that generate the content.
+ *
+ * @see ISearchOption
+ *
+ * @since 16.0.0
+ *
+ * @param ISearchOption $option
+ *
+ * @return ISearchTemplate
+ */
+ public function addPanelOption(ISearchOption $option): ISearchTemplate;
+
+ /**
+ * Get all options to be displayed in the Panel.
+ *
+ * @since 16.0.0
+ *
+ * @return ISearchOption[]
+ */
+ public function getPanelOptions(): array;
+
+
+ /**
+ * Add an option in the left panel of the FullTextSearch navigation page.
+ *
+ * @see ISearchOption
+ *
+ * @since 16.0.0
+ *
+ * @param ISearchOption $option
+ *
+ * @return ISearchTemplate
+ */
+ public function addNavigationOption(ISearchOption $option): ISearchTemplate;
+
+ /**
+ * Get all options to be displayed in the FullTextSearch navigation page.
+ *
+ * @since 16.0.0
+ *
+ * @return array
+ */
+ public function getNavigationOptions(): array;
+}
diff --git a/lib/public/FullTextSearch/Service/IIndexService.php b/lib/public/FullTextSearch/Service/IIndexService.php
new file mode 100644
index 00000000000..c4d1a9f8172
--- /dev/null
+++ b/lib/public/FullTextSearch/Service/IIndexService.php
@@ -0,0 +1,84 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Service;
+
+use OCP\FullTextSearch\Model\IIndex;
+
+/**
+ * Interface IIndexService
+ *
+ * @since 15.0.0
+ *
+ */
+interface IIndexService {
+ /**
+ * Create an Index
+ *
+ * @since 15.0.1
+ *
+ * @param string $providerId
+ * @param string $documentId
+ * @param string $userId
+ * @param int $status
+ * @return IIndex
+ */
+ public function createIndex(string $providerId, string $documentId, string $userId, int $status): IIndex;
+
+
+ /**
+ * Retrieve an Index from the database, based on the Id of the Provider
+ * and the Id of the Document
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ * @param string $documentId
+ *
+ * @return IIndex
+ */
+ public function getIndex(string $providerId, string $documentId): IIndex;
+
+
+ /**
+ * Update the status of an Index. status is a bit flag, setting $reset to
+ * true will reset the status to the value defined in the parameter.
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ * @param string $documentId
+ * @param int $status
+ * @param bool $reset
+ */
+ public function updateIndexStatus(string $providerId, string $documentId, int $status, bool $reset = false);
+
+
+ /**
+ * Update the status of an array of Index. status is a bit flag, setting $reset to
+ * true will reset the status to the value defined in the parameter.
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ * @param array $documentIds
+ * @param int $status
+ * @param bool $reset
+ */
+ public function updateIndexesStatus(string $providerId, array $documentIds, int $status, bool $reset = false);
+
+
+ /**
+ * Update an array of Index.
+ *
+ * @since 15.0.0
+ *
+ * @param array $indexes
+ */
+ public function updateIndexes(array $indexes);
+}
diff --git a/lib/public/FullTextSearch/Service/IProviderService.php b/lib/public/FullTextSearch/Service/IProviderService.php
new file mode 100644
index 00000000000..e6036b1eb7d
--- /dev/null
+++ b/lib/public/FullTextSearch/Service/IProviderService.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Service;
+
+/**
+ * Interface IProviderService
+ *
+ * @since 15.0.0
+ *
+ */
+interface IProviderService {
+ /**
+ * Check if the provider $providerId is already indexed.
+ *
+ * @since 15.0.0
+ *
+ * @param string $providerId
+ *
+ * @return bool
+ */
+ public function isProviderIndexed(string $providerId);
+
+
+ /**
+ * Add the Javascript API in the navigation page of an app.
+ *
+ * @since 15.0.0
+ */
+ public function addJavascriptAPI();
+}
diff --git a/lib/public/FullTextSearch/Service/ISearchService.php b/lib/public/FullTextSearch/Service/ISearchService.php
new file mode 100644
index 00000000000..ab3ec953789
--- /dev/null
+++ b/lib/public/FullTextSearch/Service/ISearchService.php
@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\FullTextSearch\Service;
+
+use OCP\FullTextSearch\Model\ISearchRequest;
+use OCP\FullTextSearch\Model\ISearchResult;
+
+/**
+ * Interface ISearchService
+ *
+ * @since 15.0.0
+ *
+ */
+interface ISearchService {
+ /**
+ * generate a search request, based on an array:
+ *
+ * $request =
+ * [
+ * 'providers' => (string/array) 'all'
+ * 'author' => (string) owner of the document.
+ * 'search' => (string) search string,
+ * 'size' => (int) number of items to be return
+ * 'page' => (int) page
+ * 'parts' => (array) parts of document to search within,
+ * 'options' = (array) search options,
+ * 'tags' => (array) tags,
+ * 'metatags' => (array) metatags,
+ * 'subtags' => (array) subtags
+ * ]
+ *
+ * 'providers' can be an array of providerIds
+ *
+ * @since 15.0.0
+ *
+ * @param array $request
+ *
+ * @return ISearchRequest
+ */
+ public function generateSearchRequest(array $request): ISearchRequest;
+
+
+ /**
+ * Search documents
+ *
+ * @since 15.0.0
+ *
+ * @param string $userId
+ * @param ISearchRequest $searchRequest
+ *
+ * @return ISearchResult[]
+ */
+ public function search(string $userId, ISearchRequest $searchRequest): array;
+}