Files
mattermost-mobile/app/database/manager/index.ts
2023-01-19 16:56:30 +01:00

559 lines
22 KiB
TypeScript

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
import {Database, Q} from '@nozbe/watermelondb';
import SQLiteAdapter from '@nozbe/watermelondb/adapters/sqlite';
import logger from '@nozbe/watermelondb/utils/common/logger';
import {DeviceEventEmitter, Platform} from 'react-native';
import DeviceInfo from 'react-native-device-info';
import FileSystem from 'react-native-fs';
import {DatabaseType, MIGRATION_EVENTS, MM_TABLES} from '@constants/database';
import AppDatabaseMigrations from '@database/migration/app';
import ServerDatabaseMigrations from '@database/migration/server';
import {InfoModel, GlobalModel, ServersModel} from '@database/models/app';
import {CategoryModel, CategoryChannelModel, ChannelModel, ChannelInfoModel, ChannelMembershipModel, CustomEmojiModel, DraftModel, FileModel,
GroupModel, GroupChannelModel, GroupTeamModel, GroupMembershipModel, MyChannelModel, MyChannelSettingsModel, MyTeamModel,
PostModel, PostsInChannelModel, PostsInThreadModel, PreferenceModel, ReactionModel, RoleModel,
SystemModel, TeamModel, TeamChannelHistoryModel, TeamMembershipModel, TeamSearchHistoryModel,
ThreadModel, ThreadParticipantModel, ThreadInTeamModel, TeamThreadsSyncModel, UserModel, ConfigModel,
} from '@database/models/server';
import AppDataOperator from '@database/operator/app_data_operator';
import ServerDataOperator from '@database/operator/server_data_operator';
import {schema as appSchema} from '@database/schema/app';
import {serverSchema} from '@database/schema/server';
import {beforeUpgrade} from '@helpers/database/upgrade';
import {getActiveServer, getServer, getServerByIdentifier} from '@queries/app/servers';
import {emptyFunction} from '@utils/general';
import {logDebug, logError} from '@utils/log';
import {deleteIOSDatabase, getIOSAppGroupDetails, renameIOSDatabase} from '@utils/mattermost_managed';
import {urlSafeBase64Encode} from '@utils/security';
import {removeProtocol} from '@utils/url';
import type {AppDatabase, CreateServerDatabaseArgs, RegisterServerDatabaseArgs, Models, ServerDatabase, ServerDatabases} from '@typings/database/database';
const {SERVERS} = MM_TABLES.APP;
const APP_DATABASE = 'app';
class DatabaseManager {
public appDatabase?: AppDatabase;
public serverDatabases: ServerDatabases = {};
private readonly appModels: Models;
private readonly databaseDirectory: string | null;
private readonly serverModels: Models;
constructor() {
this.appModels = [InfoModel, GlobalModel, ServersModel];
this.serverModels = [
CategoryModel, CategoryChannelModel, ChannelModel, ChannelInfoModel, ChannelMembershipModel, ConfigModel, CustomEmojiModel, DraftModel, FileModel,
GroupModel, GroupChannelModel, GroupTeamModel, GroupMembershipModel, MyChannelModel, MyChannelSettingsModel, MyTeamModel,
PostModel, PostsInChannelModel, PostsInThreadModel, PreferenceModel, ReactionModel, RoleModel,
SystemModel, TeamModel, TeamChannelHistoryModel, TeamMembershipModel, TeamSearchHistoryModel,
ThreadModel, ThreadParticipantModel, ThreadInTeamModel, TeamThreadsSyncModel, UserModel,
];
this.databaseDirectory = Platform.OS === 'ios' ? getIOSAppGroupDetails().appGroupDatabase : `${FileSystem.DocumentDirectoryPath}/databases/`;
}
/**
* init : Retrieves all the servers registered in the default database
* @param {string[]} serverUrls
* @returns {Promise<void>}
*/
public init = async (serverUrls: string[]): Promise<void> => {
await this.createAppDatabase();
const buildNumber = DeviceInfo.getBuildNumber();
const versionNumber = DeviceInfo.getVersion();
await beforeUpgrade.call(this, serverUrls, versionNumber, buildNumber);
for await (const serverUrl of serverUrls) {
await this.initServerDatabase(serverUrl);
}
this.appDatabase?.operator.handleInfo({
info: [{
build_number: buildNumber,
created_at: Date.now(),
version_number: versionNumber,
}],
prepareRecordsOnly: false,
});
};
/**
* createAppDatabase: Creates the App database. However,
* if a database could not be created, it will return undefined.
* @returns {Promise<AppDatabase|undefined>}
*/
private createAppDatabase = async (): Promise<AppDatabase|undefined> => {
try {
const databaseName = APP_DATABASE;
if (Platform.OS === 'android') {
await FileSystem.mkdir(this.databaseDirectory!);
}
const databaseFilePath = this.getDatabaseFilePath(databaseName);
const modelClasses = this.appModels;
const schema = appSchema;
const adapter = new SQLiteAdapter({
dbName: databaseFilePath,
migrationEvents: this.buildMigrationCallbacks(databaseName),
migrations: AppDatabaseMigrations,
jsi: true,
schema,
});
const database = new Database({adapter, modelClasses});
const operator = new AppDataOperator(database);
this.appDatabase = {
database,
operator,
};
return this.appDatabase;
} catch (e) {
logError('Unable to create the App Database!!', e);
}
return undefined;
};
/**
* createServerDatabase: Creates a server database and registers the the server in the app database. However,
* if a database connection could not be created, it will return undefined.
* @param {CreateServerDatabaseArgs} createServerDatabaseArgs
*
* @returns {Promise<ServerDatabase|undefined>}
*/
public createServerDatabase = async ({config}: CreateServerDatabaseArgs): Promise<ServerDatabase|undefined> => {
const {dbName, displayName, identifier, serverUrl} = config;
if (serverUrl) {
try {
const databaseName = urlSafeBase64Encode(serverUrl);
const databaseFilePath = this.getDatabaseFilePath(databaseName);
const migrations = ServerDatabaseMigrations;
const modelClasses = this.serverModels;
const schema = serverSchema;
const adapter = new SQLiteAdapter({
dbName: databaseFilePath,
migrationEvents: this.buildMigrationCallbacks(databaseName),
migrations,
jsi: true,
schema,
});
// Registers the new server connection into the DEFAULT database
await this.addServerToAppDatabase({
databaseFilePath,
displayName: displayName || dbName,
identifier,
serverUrl,
});
const database = new Database({adapter, modelClasses});
const operator = new ServerDataOperator(database);
const serverDatabase = {database, operator};
this.serverDatabases[serverUrl] = serverDatabase;
return serverDatabase;
} catch (e) {
logError('Error initializing database', e);
}
}
return undefined;
};
/**
* initServerDatabase : initializes the server database.
* @param {string} serverUrl
* @returns {Promise<void>}
*/
private initServerDatabase = async (serverUrl: string): Promise<void> => {
await this.createServerDatabase({
config: {
dbName: serverUrl,
dbType: DatabaseType.SERVER,
serverUrl,
},
});
};
/**
* addServerToAppDatabase: Adds a record in the 'app' database - into the 'servers' table - for this new server connection
* @param {string} databaseFilePath
* @param {string} displayName
* @param {string} serverUrl
* @param {string} identifier
* @returns {Promise<void>}
*/
private addServerToAppDatabase = async ({databaseFilePath, displayName, serverUrl, identifier = ''}: RegisterServerDatabaseArgs): Promise<void> => {
try {
const appDatabase = this.appDatabase?.database;
if (appDatabase) {
const serverModel = await getServer(serverUrl);
if (!serverModel) {
await appDatabase.write(async () => {
const serversCollection = appDatabase.collections.get(SERVERS);
await serversCollection.create((server: ServersModel) => {
server.dbPath = databaseFilePath;
server.displayName = displayName;
server.url = serverUrl;
server.identifier = identifier;
server.lastActiveAt = 0;
});
});
} else if (serverModel.dbPath !== databaseFilePath) {
await appDatabase.write(async () => {
await serverModel.update((s) => {
s.dbPath = databaseFilePath;
});
});
} else if (identifier) {
await this.updateServerIdentifier(serverUrl, identifier, displayName);
}
}
} catch (e) {
logError('Error adding server to App database', e);
}
};
public updateServerIdentifier = async (serverUrl: string, identifier: string, displayName?: string) => {
const appDatabase = this.appDatabase?.database;
if (appDatabase) {
const server = await getServer(serverUrl);
await appDatabase.write(async () => {
await server?.update((record) => {
record.identifier = identifier;
if (displayName) {
record.displayName = displayName;
}
});
});
}
};
public updateServerDisplayName = async (serverUrl: string, displayName: string) => {
const appDatabase = this.appDatabase?.database;
if (appDatabase) {
const server = await getServer(serverUrl);
await appDatabase.write(async () => {
await server?.update((record) => {
record.displayName = displayName;
});
});
}
};
/**
* isServerPresent : Confirms if the current serverUrl does not already exist in the database
* @param {String} serverUrl
* @returns {Promise<boolean>}
*/
private isServerPresent = async (serverUrl: string): Promise<boolean> => {
const server = await getServer(serverUrl);
return Boolean(server);
};
/**
* getActiveServerUrl: Get the server url for active server database.
* @returns {Promise<string|undefined>}
*/
public getActiveServerUrl = async (): Promise<string|undefined> => {
const server = await getActiveServer();
return server?.url;
};
/**
* getActiveServerDisplayName: Get the server display name for active server database.
* @returns {Promise<string|undefined>}
*/
public getActiveServerDisplayName = async (): Promise<string|undefined> => {
const server = await getActiveServer();
return server?.displayName;
};
public getServerUrlFromIdentifier = async (identifier: string): Promise<string|undefined> => {
const server = await getServerByIdentifier(identifier);
return server?.url;
};
/**
* getActiveServerDatabase: Get the record for active server database.
* @returns {Promise<Database|undefined>}
*/
public getActiveServerDatabase = async (): Promise<Database|undefined> => {
const server = await getActiveServer();
if (server?.url) {
return this.serverDatabases[server.url]?.database;
}
return undefined;
};
/**
* getAppDatabaseAndOperator: Helper function that returns App the database and operator.
* use within a try/catch block
* @returns AppDatabase
* @throws Error
*/
public getAppDatabaseAndOperator = () => {
const app = this.appDatabase;
if (!app) {
throw new Error('App database not found');
}
return app;
};
/**
* getServerDatabaseAndOperator: Helper function that returns the database and operator
* for a specific server.
* use within a try/catch block
* @param serverUrl the url of the server
* @returns ServerDatabase
* @throws Error
*/
public getServerDatabaseAndOperator = (serverUrl: string) => {
const server = this.serverDatabases[serverUrl];
if (!server) {
throw new Error(`${serverUrl} database not found`);
}
return server;
};
/**
* setActiveServerDatabase: Set the new active server database.
* This method should be called when switching to another server.
* @param {string} serverUrl
* @returns {Promise<void>}
*/
public setActiveServerDatabase = async (serverUrl: string): Promise<void> => {
if (this.appDatabase?.database) {
const database = this.appDatabase?.database;
await database.write(async () => {
const servers = await database.collections.get(SERVERS).query(Q.where('url', serverUrl)).fetch();
if (servers.length) {
servers[0].update((server: ServersModel) => {
server.lastActiveAt = Date.now();
});
}
});
}
};
/**
* deleteServerDatabase: Removes the *.db file from the App-Group directory for iOS or the files directory on Android.
* Also, it sets the last_active_at to '0' entry in the 'servers' table from the APP database
* @param {string} serverUrl
* @returns {Promise<boolean>}
*/
public deleteServerDatabase = async (serverUrl: string): Promise<void> => {
const database = this.appDatabase?.database;
if (database) {
const server = await getServer(serverUrl);
if (server) {
database.write(async () => {
await server.update((record) => {
record.lastActiveAt = 0;
record.identifier = '';
});
});
delete this.serverDatabases[serverUrl];
this.deleteServerDatabaseFiles(serverUrl);
}
}
};
/**
* destroyServerDatabase: Removes the *.db file from the App-Group directory for iOS or the files directory on Android.
* Also, removes the entry in the 'servers' table from the APP database
* @param {string} serverUrl
* @returns {Promise<boolean>}
*/
public destroyServerDatabase = async (serverUrl: string): Promise<void> => {
const database = this.appDatabase?.database;
if (database) {
const server = await getServer(serverUrl);
if (server) {
database.write(async () => {
await server.destroyPermanently();
});
delete this.serverDatabases[serverUrl];
this.deleteServerDatabaseFiles(serverUrl);
}
}
};
/**
* deleteServerDatabaseFiles: Removes the *.db file from the App-Group directory for iOS or the files directory on Android.
* @param {string} serverUrl
* @returns {Promise<void>}
*/
private deleteServerDatabaseFiles = async (serverUrl: string): Promise<void> => {
const databaseName = urlSafeBase64Encode(serverUrl);
return this.deleteServerDatabaseFilesByName(databaseName);
};
/**
* deleteServerDatabaseFilesByName: Removes the *.db file from the App-Group directory for iOS or the files directory for Android, given the database name
* @param {string} databaseName
* @returns {Promise<void>}
*/
private deleteServerDatabaseFilesByName = async (databaseName: string): Promise<void> => {
if (Platform.OS === 'ios') {
// On iOS, we'll delete the *.db file under the shared app-group/databases folder
await deleteIOSDatabase({databaseName});
return;
}
// On Android, we'll delete the *.db, the *.db-shm and *.db-wal files
const androidFilesDir = this.databaseDirectory;
const databaseFile = `${androidFilesDir}${databaseName}.db`;
const databaseShm = `${androidFilesDir}${databaseName}.db-shm`;
const databaseWal = `${androidFilesDir}${databaseName}.db-wal`;
await FileSystem.unlink(databaseFile).catch(emptyFunction);
await FileSystem.unlink(databaseShm).catch(emptyFunction);
await FileSystem.unlink(databaseWal).catch(emptyFunction);
};
/**
* renameDatabase: Renames the *.db file from the App-Group directory for iOS or the files directory for Android
* @param {string} databaseName
* @param {string} newDBName
* @returns {Promise<void>}
*/
private renameDatabase = async (databaseName: string, newDBName: string): Promise<void> => {
if (Platform.OS === 'ios') {
// On iOS, we'll move the *.db file under the shared app-group/databases folder
renameIOSDatabase(databaseName, newDBName);
return;
}
// On Android, we'll move the *.db, the *.db-shm and *.db-wal files
const androidFilesDir = this.databaseDirectory;
const databaseFile = `${androidFilesDir}${databaseName}.db`;
const databaseShm = `${androidFilesDir}${databaseName}.db-shm`;
const databaseWal = `${androidFilesDir}${databaseName}.db-wal`;
const newDatabaseFile = `${androidFilesDir}${newDBName}.db`;
const newDatabaseShm = `${androidFilesDir}${newDBName}.db-shm`;
const newDatabaseWal = `${androidFilesDir}${newDBName}.db-wal`;
if (await FileSystem.exists(newDatabaseFile)) {
// Already renamed, do not try
return;
}
if (!await FileSystem.exists(databaseFile)) {
// Nothing to rename, do not try
return;
}
try {
await FileSystem.moveFile(databaseFile, newDatabaseFile);
await FileSystem.moveFile(databaseShm, newDatabaseShm);
await FileSystem.moveFile(databaseWal, newDatabaseWal);
} catch (error) {
// Do nothing
}
};
/**
* factoryReset: Removes the databases directory and all its contents on the respective platform
* @param {boolean} shouldRemoveDirectory
* @returns {Promise<boolean>}
*/
factoryReset = async (shouldRemoveDirectory: boolean): Promise<boolean> => {
try {
//On iOS, we'll delete the databases folder under the shared AppGroup folder
if (Platform.OS === 'ios') {
deleteIOSDatabase({shouldRemoveDirectory});
return true;
}
// On Android, we'll remove the databases folder under the Document Directory
const androidFilesDir = `${this.databaseDirectory}databases/`;
await FileSystem.unlink(androidFilesDir);
return true;
} catch (e) {
return false;
}
};
/**
* buildMigrationCallbacks: Creates a set of callbacks that can be used to monitor the migration process.
* For example, we can display a processing spinner while we have a migration going on. Moreover, we can also
* hook into those callbacks to assess how many of our servers successfully completed their migration.
* @param {string} dbName
* @returns {MigrationEvents}
*/
private buildMigrationCallbacks = (dbName: string) => {
const migrationEvents = {
onSuccess: () => {
logDebug('DB Migration success', dbName);
return DeviceEventEmitter.emit(MIGRATION_EVENTS.MIGRATION_SUCCESS, {
dbName,
});
},
onStart: () => {
logDebug('DB Migration start', dbName);
return DeviceEventEmitter.emit(MIGRATION_EVENTS.MIGRATION_STARTED, {
dbName,
});
},
onError: (error: Error) => {
logDebug('DB Migration error', dbName);
return DeviceEventEmitter.emit(MIGRATION_EVENTS.MIGRATION_ERROR, {
dbName,
error,
});
},
};
return migrationEvents;
};
/**
* getDatabaseFilePath: Using the database name, this method will return the database file path for each platform.
* On iOS, it will point towards the AppGroup shared directory while on Android, it will point towards the Files Directory.
* Please note that in each case, the *.db files will be created/grouped under a 'databases' sub-folder.
* iOS Simulator : appGroup => /Users/{username}/Library/Developer/CoreSimulator/Devices/DA6F1C73/data/Containers/Shared/AppGroup/ACA65327/databases"}
* Android Device: file:///data/user/0/com.mattermost.rnbeta/files/databases
*
* @param {string} dbName
* @returns {string}
*/
private getDatabaseFilePath = (dbName: string): string => {
return Platform.OS === 'ios' ? `${this.databaseDirectory}/${dbName}.db` : `${this.databaseDirectory}${dbName}.db`;
};
/**
* searchUrl returns the serverUrl that matches the passed string among the servers currently loaded.
* Returns undefined if none found.
*
* @param {string} toFind
* @returns {string|undefined}
*/
public searchUrl = (toFind: string): string | undefined => {
const toFindWithoutProtocol = removeProtocol(toFind);
return Object.keys(this.serverDatabases).find((k) => removeProtocol(k) === toFindWithoutProtocol);
};
}
if (!__DEV__) {
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
logger.silence();
}
export default new DatabaseManager();