Files
openstapps/backend/src/storage/database.ts

93 lines
2.7 KiB
TypeScript

/*
* Copyright (C) 2019 StApps
* 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 <https://www.gnu.org/licenses/>.
*/
import {SCConfigFile, SCSearchQuery, SCSearchResponse, SCThings, SCUuid} from '@openstapps/core';
import {MailQueue} from '../notification/mail-queue';
import {Bulk} from './bulk-storage';
/**
* Creates an instance of a database
*/
export type DatabaseConstructor = new (config: SCConfigFile, mailQueue?: MailQueue) => Database;
/**
* Defines what one database class needs to have defined
*/
export interface Database {
/**
* Gets called if a bulk was created
*
* The database should
*
* @param bulk A bulk to be created
*/
bulkCreated(bulk: Bulk): Promise<void>;
/**
* Gets called if a bulk expires
*
* The database should delete all data that is associtated with this bulk
*
* @param bulk A bulk which data needs to be removed
*/
bulkExpired(bulk: Bulk): Promise<void>;
/**
* Gets called if a bulk was updated
*
* If the database holds a bulk with the same type and source as the given
* bulk it should be replaced by the given one
*
* @param bulk A new bulk whose data should be saved instead of the data of the old bulk
*/
bulkUpdated(bulk: Bulk): Promise<void>;
/**
* Get a single document
*
* @param uid Unique identifier of the document
*/
get(uid: SCUuid): Promise<SCThings>;
/**
* Initialize the database (call and wait for all needed methods)
*/
init(): Promise<void>;
/**
* Add a thing to an existing bulk
*
* @param thing A StAppsCore thing to be added
* @param bulk A bulk to which the thing should be added
*/
post(thing: SCThings, bulk: Bulk): Promise<void>;
/**
* Replace an existing thing in any Bulk
*
* Currently it is not possible to put an non-existing object
*
* @param thing A StAppsCore thing to be added to a bulk
*/
put(thing: SCThings): Promise<void>;
/**
* Search for things
*
* @param params Parameters which form a search query to search the backend data
*/
search(parameters: SCSearchQuery): Promise<SCSearchResponse>;
}