front_end/resources/DatabaseModel.ts

// Copyright 2021 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/*
 * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/* eslint-disable rulesdir/no_underscored_properties */

import * as i18n from '../i18n/i18n.js';
import * as SDK from '../sdk/sdk.js';

const UIStrings = {
  /**
  *@description Message in Database Model of the Application panel
  */
  databaseNoLongerHasExpected: 'Database no longer has expected version.',
  /**
  *@description Message in Database Model of the Application panel
  *@example {-197} PH1
  */
  anUnexpectedErrorSOccurred: 'An unexpected error {PH1} occurred.',
};
const str_ = i18n.i18n.registerUIStrings('resources/DatabaseModel.ts', UIStrings);
const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);
export class Database {
  _model: DatabaseModel;
  _id: string;
  _domain: string;
  _name: string;
  _version: string;
  constructor(model: DatabaseModel, id: string, domain: string, name: string, version: string) {
    this._model = model;
    this._id = id;
    this._domain = domain;
    this._name = name;
    this._version = version;
  }

  get id(): string {
    return this._id;
  }

  get name(): string {
    return this._name;
  }

  set name(x: string) {
    this._name = x;
  }

  get version(): string {
    return this._version;
  }

  set version(x: string) {
    this._version = x;
  }

  get domain(): string {
    return this._domain;
  }

  set domain(x: string) {
    this._domain = x;
  }

  async tableNames(): Promise<string[]> {
    const {tableNames} = await this._model._agent.invoke_getDatabaseTableNames({databaseId: this._id}) || [];
    return tableNames.sort();
  }

  async executeSql(
      // TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration)
      // eslint-disable-next-line @typescript-eslint/no-explicit-any
      query: string, onSuccess: (arg0: Array<string>, arg1: Array<any>) => void,
      onError: (arg0: string) => void): Promise<void> {
    const response = await this._model._agent.invoke_executeSQL({'databaseId': this._id, 'query': query});
    const error = response.getError() || null;
    if (error) {
      onError(error);
      return;
    }
    const sqlError = response.sqlError;
    if (!sqlError) {
      // We know from the back-end that if there is no error, neither columnNames nor values can be undefined.
      onSuccess(response.columnNames || [], response.values || []);
      return;
    }
    let message;
    if (sqlError.message) {
      message = sqlError.message;
    } else if (sqlError.code === 2) {
      message = i18nString(UIStrings.databaseNoLongerHasExpected);
    } else {
      message = i18nString(UIStrings.anUnexpectedErrorSOccurred, {PH1: sqlError.code});
    }
    onError(message);
  }
}

export class DatabaseModel extends SDK.SDKModel.SDKModel {
  _databases: Database[];
  _agent: ProtocolProxyApi.DatabaseApi;
  _enabled?: boolean;
  constructor(target: SDK.SDKModel.Target) {
    super(target);

    this._databases = [];
    this._agent = target.databaseAgent();
    this.target().registerDatabaseDispatcher(new DatabaseDispatcher(this));
  }

  enable(): void {
    if (this._enabled) {
      return;
    }
    this._agent.invoke_enable();
    this._enabled = true;
  }

  disable(): void {
    if (!this._enabled) {
      return;
    }
    this._enabled = false;
    this._databases = [];
    this._agent.invoke_disable();
    this.dispatchEventToListeners(Events.DatabasesRemoved);
  }

  databases(): Database[] {
    const result = [];
    for (const database of this._databases) {
      result.push(database);
    }
    return result;
  }

  _addDatabase(database: Database): void {
    this._databases.push(database);
    this.dispatchEventToListeners(Events.DatabaseAdded, database);
  }
}

SDK.SDKModel.SDKModel.register(DatabaseModel, SDK.SDKModel.Capability.DOM, false);

// TODO(crbug.com/1167717): Make this a const enum again
// eslint-disable-next-line rulesdir/const_enum
export enum Events {
  DatabaseAdded = 'DatabaseAdded',
  DatabasesRemoved = 'DatabasesRemoved',
}


export class DatabaseDispatcher implements ProtocolProxyApi.DatabaseDispatcher {
  _model: DatabaseModel;
  constructor(model: DatabaseModel) {
    this._model = model;
  }

  addDatabase({database}: Protocol.Database.AddDatabaseEvent): void {
    this._model._addDatabase(new Database(this._model, database.id, database.domain, database.name, database.version));
  }
}