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110 lines
3.4 KiB
110 lines
3.4 KiB
<?php
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declare(strict_types=1);
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/**
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* @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Joas Schilling <coding@schilljs.com>
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* @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCP\Search;
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use OCP\IUser;
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/**
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* Interface for search providers
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*
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* These providers will be implemented in apps, so they can participate in the
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* global search results of Nextcloud. If an app provides more than one type of
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* resource, e.g. contacts and address books in Nextcloud Contacts, it should
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* register one provider per group.
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*
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* @since 20.0.0
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*/
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interface IProvider {
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/**
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* Get the unique ID of this search provider
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*
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* Ideally this should be the app name or an identifier identified with the
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* app name, especially if the app registers more than one provider.
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*
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* Example: 'mail', 'mail_recipients', 'files_sharing'
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*
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* @return string
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*
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* @since 20.0.0
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*/
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public function getId(): string;
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/**
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* Get the translated name of this search provider
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*
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* Example: 'Mail', 'Contacts'...
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*
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* @return string
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*
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* @since 20.0.0
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*/
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public function getName(): string;
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/**
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* Get the search provider order
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* The lower the int, the higher it will be sorted (0 will be before 10)
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*
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* @param string $route the route the user is currently at, e.g. files.view.index
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* @param array $routeParameters the parameters of the route the user is currently at, e.g. [fileId = 982, dir = "/"]
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*
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* @return int
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*
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* @since 20.0.0
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*/
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public function getOrder(string $route, array $routeParameters): int;
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/**
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* Find matching search entries in an app
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*
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* Search results can either be a complete list of all the matches the app can
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* find, or ideally a paginated result set where more data can be fetched on
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* demand. To be able to tell where the next offset starts the search uses
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* "cursors" which are a property of the last result entry. E.g. search results
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* that show most recent entries first can look for entries older than the last
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* one of the first result set. This approach was chosen over a numeric limit/
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* offset approach as the offset moves as new data comes in. The cursor is
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* resistant to these changes and will still show results without overlaps or
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* gaps.
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*
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* See https://dev.to/jackmarchant/offset-and-cursor-pagination-explained-b89
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* for the concept of cursors.
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*
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* Implementations that return result pages have to adhere to the limit
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* property of a search query.
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*
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* @param IUser $user
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* @param ISearchQuery $query
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*
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* @return SearchResult
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*
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* @since 20.0.0
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*/
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public function search(IUser $user, ISearchQuery $query): SearchResult;
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}
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