agent-ecosystem/src/main/services/team/taskLogs/activity/BoardTaskActivityTranscriptReader.ts
2026-04-13 17:00:49 +03:00

125 lines
4 KiB
TypeScript

import { yieldToEventLoop } from '@main/utils/asyncYield';
import { createLogger } from '@shared/utils/logger';
import { createReadStream } from 'fs';
import * as fs from 'fs/promises';
import * as readline from 'readline';
import {
parseBoardTaskLinks,
parseBoardTaskToolActions,
type ParsedBoardTaskLink,
type ParsedBoardTaskToolAction,
} from '../contract/BoardTaskTranscriptContract';
import { BoardTaskActivityParseCache } from './BoardTaskActivityParseCache';
const logger = createLogger('Service:BoardTaskActivityTranscriptReader');
export interface RawTaskActivityMessage {
filePath: string;
uuid: string;
timestamp: string;
sessionId: string;
agentId?: string;
agentName?: string;
isSidechain: boolean;
boardTaskLinks: ParsedBoardTaskLink[];
boardTaskToolActions: ParsedBoardTaskToolAction[];
sourceOrder: number;
}
function asRecord(value: unknown): Record<string, unknown> | null {
return value && typeof value === 'object' ? (value as Record<string, unknown>) : null;
}
export class BoardTaskActivityTranscriptReader {
private readonly cache = new BoardTaskActivityParseCache<RawTaskActivityMessage[]>();
async readFiles(filePaths: string[]): Promise<RawTaskActivityMessage[]> {
const uniqueFilePaths = [...new Set(filePaths)].sort();
this.cache.retainOnly(new Set(uniqueFilePaths));
const parsedFiles = await Promise.all(
uniqueFilePaths.map((filePath) => this.readFile(filePath))
);
return parsedFiles.flat();
}
private async readFile(filePath: string): Promise<RawTaskActivityMessage[]> {
try {
const stat = await fs.stat(filePath);
const cached = this.cache.getIfFresh(filePath, stat.mtimeMs, stat.size);
if (cached) {
return cached;
}
const inFlight = this.cache.getInFlight(filePath);
if (inFlight) {
return inFlight;
}
const promise = this.parseFile(filePath);
this.cache.setInFlight(filePath, promise);
try {
const parsed = await promise;
this.cache.set(filePath, stat.mtimeMs, stat.size, parsed);
return parsed;
} finally {
this.cache.clearInFlight(filePath);
}
} catch (error) {
logger.debug(`Skipping unreadable task-activity transcript ${filePath}: ${String(error)}`);
this.cache.clearForPath(filePath);
return [];
}
}
private async parseFile(filePath: string): Promise<RawTaskActivityMessage[]> {
const results: RawTaskActivityMessage[] = [];
const stream = createReadStream(filePath, { encoding: 'utf8' });
const rl = readline.createInterface({
input: stream,
crlfDelay: Infinity,
});
let sourceOrder = 0;
for await (const line of rl) {
if (!line.trim()) continue;
try {
const parsed = JSON.parse(line) as unknown;
const record = asRecord(parsed);
if (!record) continue;
const uuid = typeof record.uuid === 'string' ? record.uuid : '';
const sessionId = typeof record.sessionId === 'string' ? record.sessionId : '';
const timestamp = typeof record.timestamp === 'string' ? record.timestamp : '';
if (!uuid || !sessionId || !timestamp) continue;
const boardTaskLinks = parseBoardTaskLinks(record.boardTaskLinks);
if (boardTaskLinks.length === 0) continue;
sourceOrder += 1;
results.push({
filePath,
uuid,
timestamp,
sessionId,
agentId: typeof record.agentId === 'string' ? record.agentId : undefined,
agentName: typeof record.agentName === 'string' ? record.agentName : undefined,
isSidechain: record.isSidechain === true,
boardTaskLinks,
boardTaskToolActions: parseBoardTaskToolActions(record.boardTaskToolActions),
sourceOrder,
});
} catch (error) {
logger.debug(`Skipping malformed task-activity line in ${filePath}: ${String(error)}`);
}
if (sourceOrder > 0 && sourceOrder % 250 === 0) {
await yieldToEventLoop();
}
}
return results;
}
}