| 1 | import { randomBytes } from 'node:crypto' |
| 2 | import { |
| 3 | McpServerConfig, |
| 4 | SpawnedProcess, |
| 5 | SpawnOptions, |
| 6 | } from '@anthropic-ai/claude-agent-sdk' |
| 7 | import { ContentBlockParam } from '@anthropic-ai/sdk/resources' |
| 8 | import { Injectable, Logger, OnModuleDestroy, OnModuleInit } from '@nestjs/common' |
| 9 | import { |
| 10 | AppException, |
| 11 | getCodeMessage, |
| 12 | ResponseCode, |
| 13 | UserType, |
| 14 | } from '@yikart/common' |
| 15 | import { |
| 16 | ContentGenerationTaskRepository, |
| 17 | ContentGenerationTaskStatus, |
| 18 | Transactional, |
| 19 | } from '@yikart/mongodb' |
| 20 | import { RedisPubSubService } from '@yikart/redis' |
| 21 | import { Request, Response } from 'express' |
| 22 | import { Observable } from 'rxjs' |
| 23 | import { AGENT_TASK_ABORT_CHANNEL } from './agent.constants' |
| 24 | import { |
| 25 | CreateContentGenerationTaskDto, |
| 26 | CreateContentGenerationTaskRatingDto, |
| 27 | ListContentGenerationTaskDto, |
| 28 | UpdateContentGenerationTaskTitleDto, |
| 29 | } from './agent.dto' |
| 30 | import { |
| 31 | AgentMessageType, |
| 32 | AgentMessageVo, |
| 33 | ContentGenerationTaskChunkVo, |
| 34 | } from './agent.vo' |
| 35 | import { AgentRuntimeService } from './services/agent-runtime.service' |
| 36 | |
| 37 | @Injectable() |
| 38 | export class AgentService implements OnModuleInit, OnModuleDestroy { |
| 39 | private readonly logger = new Logger(AgentService.name) |
| 40 | |
| 41 | constructor( |
| 42 | private readonly contentGenerateRepository: ContentGenerationTaskRepository, |
| 43 | private readonly agentRuntimeService: AgentRuntimeService, |
| 44 | private readonly redisPubSubService: RedisPubSubService, |
| 45 | ) { } |
| 46 | |
| 47 | /** |
| 48 | * 执行 Claude 查询 |
| 49 | * @param systemPromptContent |
| 50 | * @param enhancedContent |
| 51 | * @param abortController |
| 52 | * @param options |
| 53 | * @param options.includePartialMessages |
| 54 | * @param options.sessionId |
| 55 | * @param options.model |
| 56 | * @param options.taskId |
| 57 | * @param options.availabilityOperation |
| 58 | * @param mcpServers |
| 59 | * @param spawnClaudeCodeProcess |
| 60 | * @returns |
| 61 | */ |
| 62 | public claudeQuery( |
| 63 | systemPromptContent: ContentBlockParam[], |
| 64 | enhancedContent: ContentBlockParam[], |
| 65 | abortController: AbortController, |
| 66 | options: Parameters<AgentRuntimeService['claudeQuery']>[3], |
| 67 | mcpServers?: Record<string, McpServerConfig>, |
| 68 | spawnClaudeCodeProcess?: (options: SpawnOptions) => SpawnedProcess, |
| 69 | ) { |
| 70 | return this.agentRuntimeService.claudeQuery( |
| 71 | systemPromptContent, |
| 72 | enhancedContent, |
| 73 | abortController, |
| 74 | options, |
| 75 | mcpServers, |
| 76 | spawnClaudeCodeProcess, |
| 77 | ) |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * 创建内容生成任务 |
| 82 | * @param userId |
| 83 | * @param userType |
| 84 | * @param dto |
| 85 | * @param abortController |
| 86 | * @param req |
| 87 | * @param res |
| 88 | * @returns |
| 89 | */ |
| 90 | createContentGenerationTask( |
| 91 | userId: string, |
| 92 | userType: UserType, |
| 93 | dto: CreateContentGenerationTaskDto, |
| 94 | abortController: AbortController, |
| 95 | req: Request, |
| 96 | res: Response, |
| 97 | ): Observable<ContentGenerationTaskChunkVo> { |
| 98 | return this.agentRuntimeService.createContentGenerationTask({ |
| 99 | userId, |
| 100 | userType, |
| 101 | dto, |
| 102 | abortController, |
| 103 | req, |
| 104 | res, |
| 105 | }) |
| 106 | } |
| 107 | |
| 108 | async getTask(userId: string, taskId: string) { |
| 109 | const task = await this.contentGenerateRepository.getUserTask(userId, taskId) |
| 110 | if (!task) { |
| 111 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 112 | } |
| 113 | return { |
| 114 | ...task, |
| 115 | messages: task.messages as Array<AgentMessageVo>, |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | async getTaskMessages(userId: string, taskId: string, lastMessageId?: string) { |
| 120 | const task = await this.contentGenerateRepository.getUserTask(userId, taskId) |
| 121 | if (!task) { |
| 122 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 123 | } |
| 124 | |
| 125 | const allMessages = (task.messages || []) as Array<AgentMessageVo> |
| 126 | let messages = allMessages |
| 127 | |
| 128 | if (lastMessageId) { |
| 129 | const index = allMessages.findIndex(msg => 'uuid' in msg && msg.uuid === lastMessageId) |
| 130 | messages = index === -1 ? [] : allMessages.slice(index + 1) |
| 131 | } |
| 132 | |
| 133 | return { |
| 134 | messages, |
| 135 | status: task.status, |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | async getTaskList(userId: string, params: ListContentGenerationTaskDto) { |
| 140 | return await this.contentGenerateRepository.getUserTasksWithPagination(userId, params) |
| 141 | } |
| 142 | |
| 143 | async favoriteTask(userId: string, taskId: string) { |
| 144 | const task = await this.contentGenerateRepository.getUserTask(userId, taskId) |
| 145 | if (!task) { |
| 146 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 147 | } |
| 148 | await this.contentGenerateRepository.updateFavoriteById(taskId, new Date()) |
| 149 | } |
| 150 | |
| 151 | async unfavoriteTask(userId: string, taskId: string) { |
| 152 | const task = await this.contentGenerateRepository.getUserTask(userId, taskId) |
| 153 | if (!task) { |
| 154 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 155 | } |
| 156 | await this.contentGenerateRepository.updateFavoriteById(taskId, null) |
| 157 | } |
| 158 | |
| 159 | async deleteTask(userId: string, taskId: string) { |
| 160 | const task = await this.contentGenerateRepository.getUserTask(userId, taskId) |
| 161 | if (!task) { |
| 162 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 163 | } |
| 164 | const success = await this.contentGenerateRepository.softDeleteTask(userId, taskId) |
| 165 | if (!success) { |
| 166 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | async updateTask(userId: string, taskId: string, dto: UpdateContentGenerationTaskTitleDto) { |
| 171 | const task = await this.contentGenerateRepository.getUserTask(userId, taskId) |
| 172 | if (!task) { |
| 173 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 174 | } |
| 175 | await this.contentGenerateRepository.updateById(taskId, dto) |
| 176 | } |
| 177 | |
| 178 | async createRating(userId: string, taskId: string, dto: CreateContentGenerationTaskRatingDto) { |
| 179 | const task = await this.contentGenerateRepository.getUserTask(userId, taskId) |
| 180 | if (!task) { |
| 181 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 182 | } |
| 183 | |
| 184 | if (task.status !== ContentGenerationTaskStatus.Completed && task.status !== ContentGenerationTaskStatus.RequiresAction) { |
| 185 | throw new AppException(ResponseCode.AgentTaskStatusInvalid) |
| 186 | } |
| 187 | |
| 188 | await this.contentGenerateRepository.updateById(taskId, { |
| 189 | rating: dto.rating, |
| 190 | ratingComment: dto.comment, |
| 191 | }) |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * Create a public share token for a task. Only owner can create a share. |
| 196 | * ttlSeconds optional - default 7 days. |
| 197 | * Returns { token: string, expiresAt: Date, urlPath: string } |
| 198 | */ |
| 199 | async createPublicShare(userId: string, taskId: string, ttlSeconds?: number) { |
| 200 | const task = await this.contentGenerateRepository.getUserTask(userId, taskId) |
| 201 | if (!task) { |
| 202 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 203 | } |
| 204 | |
| 205 | const ttl = typeof ttlSeconds === 'number' ? ttlSeconds : 7 * 24 * 3600 |
| 206 | const expiresAt = new Date(Date.now() + ttl * 1000) |
| 207 | |
| 208 | const token = randomBytes(16).toString('hex') |
| 209 | |
| 210 | await this.contentGenerateRepository.updateById(taskId, { |
| 211 | publicShareToken: token, |
| 212 | publicShareExpiresAt: expiresAt, |
| 213 | }) |
| 214 | |
| 215 | return { |
| 216 | token, |
| 217 | expiresAt, |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Retrieve a task by public share token. Token must exist and not be expired. |
| 223 | * Returns sanitized task object (no sessionId). |
| 224 | */ |
| 225 | async getTaskByShareToken(token: string) { |
| 226 | if (!token) { |
| 227 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 228 | } |
| 229 | |
| 230 | const task = await this.contentGenerateRepository.findByPublicShareToken(token) |
| 231 | if (!task) { |
| 232 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 233 | } |
| 234 | |
| 235 | if (task.publicShareExpiresAt && task.publicShareExpiresAt.getTime() < Date.now()) { |
| 236 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 237 | } |
| 238 | |
| 239 | return { |
| 240 | ...task, |
| 241 | messages: task.messages as Array<AgentMessageVo>, |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * Forward a task to another user by copying its messages and metadata. |
| 247 | * Only the owner of the task can forward it. |
| 248 | * Returns the new task id object: { id: string } |
| 249 | */ |
| 250 | async forwardTask(userId: string, taskId: string, targetUserId: string) { |
| 251 | const originalTask = await this.contentGenerateRepository.getUserTask(userId, taskId) |
| 252 | if (!originalTask) { |
| 253 | throw new AppException(ResponseCode.AgentTaskNotFound) |
| 254 | } |
| 255 | |
| 256 | const newTask = await this.contentGenerateRepository.create({ |
| 257 | userId: targetUserId, |
| 258 | title: originalTask.title ? `Fwd: ${originalTask.title}` : undefined, |
| 259 | messages: originalTask.messages || [], |
| 260 | status: originalTask.status || ContentGenerationTaskStatus.Completed, |
| 261 | }) |
| 262 | |
| 263 | return { id: newTask.id } |
| 264 | } |
| 265 | |
| 266 | /** |
| 267 | * 兜底机制：将超时的 running 任务更新为 error 状态 |
| 268 | * @param timeoutMs 超时时间（毫秒），默认 30 分钟 |
| 269 | */ |
| 270 | @Transactional() |
| 271 | async recoverTimeoutRunningTasks(timeoutMs: number = 30 * 60 * 1000) { |
| 272 | const timeoutTasks = await this.contentGenerateRepository.listTimeoutRunningTasks(timeoutMs) |
| 273 | |
| 274 | if (timeoutTasks.length === 0) { |
| 275 | this.logger.debug('No timeout running tasks found') |
| 276 | return { updatedCount: 0 } |
| 277 | } |
| 278 | |
| 279 | const taskIds = timeoutTasks.map(task => task.id) |
| 280 | this.logger.warn(`Found ${taskIds.length} timeout running tasks: ${taskIds.join(', ')}`) |
| 281 | |
| 282 | const result = await this.contentGenerateRepository.batchUpdateStatus(taskIds, ContentGenerationTaskStatus.Error) |
| 283 | |
| 284 | for (const task of timeoutTasks) { |
| 285 | const errorMessage = { |
| 286 | type: AgentMessageType.Error, |
| 287 | code: ResponseCode.AgentTaskTimeout, |
| 288 | message: getCodeMessage(ResponseCode.AgentTaskTimeout), |
| 289 | timestamp: Date.now(), |
| 290 | } |
| 291 | await this.contentGenerateRepository.updateMessage(task.id, errorMessage) |
| 292 | } |
| 293 | |
| 294 | this.logger.debug(`Updated ${result.modifiedCount} timeout running tasks to error status`) |
| 295 | |
| 296 | return { updatedCount: result.modifiedCount } |
| 297 | } |
| 298 | |
| 299 | async onModuleInit() { |
| 300 | this.redisPubSubService.on(AGENT_TASK_ABORT_CHANNEL, (taskId: string) => { |
| 301 | this.agentRuntimeService.abortTask(taskId) |
| 302 | }) |
| 303 | } |
| 304 | |
| 305 | async onModuleDestroy() { |
| 306 | this.logger.debug('Agent service is shutting down, wait running tasks') |
| 307 | await this.agentRuntimeService.waitForRunningTasks() |
| 308 | } |
| 309 | } |
| 310 |