Files
parcer/server/src/workflow-management/classes/Generator.ts
2024-06-07 23:44:04 +05:30

93 lines
2.3 KiB
TypeScript

import { Action, ActionType, Coordinates, TagName } from "../../types";
import { WhereWhatPair, WorkflowFile } from '@wbr-project/wbr-interpret';
import logger from "../../logger";
import { Socket } from "socket.io";
import { Page } from "playwright";
import {
getElementInformation,
getRect,
getSelectors,
isRuleOvershadowing,
selectorAlreadyInWorkflow
} from "../selector";
import { CustomActions } from "../../../../src/shared/types";
import { workflow } from "../../routes";
import { saveFile } from "../storage";
import fs from "fs";
import { getBestSelectorForAction } from "../utils";
import { browserPool } from "../../server";
interface PersistedGeneratedData {
lastUsedSelector: string;
lastIndex: number|null;
lastAction: string;
}
interface MetaData {
name: string;
create_date: string;
pairs: number;
update_date: string;
params: string[],
}
/**
* Workflow generator is used to transform the user's interactions into an automatically
* generated correct workflows, using the ability of internal state persistence and
* heuristic generative algorithms.
* This class also takes care of the selector generation.
* @category WorkflowManagement
*/
export class WorkflowGenerator {
/**
* The socket used to communicate with the client.
* @private
*/
private socket : Socket;
/**
* The public constructor of the WorkflowGenerator.
* Takes socket for communication as a parameter and registers some important events on it.
* @param socket The socket used to communicate with the client.
* @constructor
*/
public constructor(socket: Socket) {
this.socket = socket;
this.registerEventHandlers(socket);
}
/**
* The current workflow being recorded.
* @private
*/
private workflowRecord: WorkflowFile = {
workflow: [],
};
/**
* Metadata of the currently recorded workflow.
* @private
*/
private recordingMeta: MetaData = {
name: '',
create_date: '',
pairs: 0,
update_date: '',
params: [],
}
/**
* The persistent data from the whole workflow generation process.
* Used for correct generation of other user inputs.
* @private
*/
private generatedData: PersistedGeneratedData = {
lastUsedSelector: '',
lastIndex: null,
lastAction: '',
}
}