| 1 | import { ipcMain } from 'electron' |
| 2 | import crypto from 'crypto' |
| 3 | import path from 'path' |
| 4 | import log from 'electron-log/main.js' |
| 5 | import type { SessionStyleSnapshotRow } from '../db/database' |
| 6 | import type { IpcContext } from '../ipc/context' |
| 7 | import { resolveEditContext } from '../generation/edit-flow' |
| 8 | import { createGenerationContext } from '../generation/context' |
| 9 | import { buildStyleSwitchUserMessage } from '../generation/style-switch' |
| 10 | import { resolvePageHtmlPath } from '../generation/generation-utils' |
| 11 | import { isCancellationMessage, normalizeRestoredSessionStatus } from '../generation/status-utils' |
| 12 | import { buildDesignContractWithLLM } from '../generation/agent-runner' |
| 13 | import { ensureHistoryBaselineSafe, GitHistoryService } from '../history/git-history-service' |
| 14 | import { JobCoordinator, sessionLockKey } from '../agent-runtime' |
| 15 | import type { EditContext } from '../generation/types' |
| 16 | import type { GenerateChunkEvent } from '@shared/generation' |
| 17 | import { normalizeLayoutIntent } from '@shared/layout-intent' |
| 18 | import { resolveRetainedPageLayoutSource } from '../generation/layout-slot-validator' |
| 19 | import { runStyleSwitchPageFlow } from './style-switch-job-flow' |
| 20 | import { |
| 21 | readStyleSwitchFileSnapshot, |
| 22 | restoreStyleSwitchFileSnapshot |
| 23 | } from './style-switch-job-files' |
| 24 | import { |
| 25 | STYLE_SWITCH_CONCURRENCY, |
| 26 | type ActiveStyleSwitchJob, |
| 27 | type StyleSwitchJobSnapshot, |
| 28 | type StyleSwitchPageRef, |
| 29 | type StyleSwitchRunMetadata |
| 30 | } from './style-switch-job-types' |
| 31 | |
| 32 | const parseJson = <T>(value: string | null | undefined, fallback: T): T => { |
| 33 | if (!value) return fallback |
| 34 | try { |
| 35 | return JSON.parse(value) as T |
| 36 | } catch { |
| 37 | return fallback |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | const errorMessage = (error: unknown): string => |
| 42 | error instanceof Error && error.message ? error.message : String(error || '风格切换失败') |
| 43 | |
| 44 | class StyleSwitchCommittedPageFinalizationError extends Error { |
| 45 | constructor(cause: unknown) { |
| 46 | super(`页面历史已写入，但页面状态更新失败：${errorMessage(cause)}`) |
| 47 | this.name = 'StyleSwitchCommittedPageFinalizationError' |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | class StyleSwitchHistoryCommitError extends Error { |
| 52 | constructor(cause: unknown) { |
| 53 | super(`页面版本历史写入失败：${errorMessage(cause)}`) |
| 54 | this.name = 'StyleSwitchHistoryCommitError' |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | const readSessionDesignContract = (value: string | null | undefined): unknown => |
| 59 | parseJson<unknown>(value, null) |
| 60 | |
| 61 | const toRelativeProjectPath = (projectDir: string, filePath: string): string => { |
| 62 | const relative = path.relative(projectDir, filePath).split(path.sep).join('/') |
| 63 | if (!relative || relative.startsWith('../') || path.isAbsolute(relative)) { |
| 64 | throw new Error(`风格切换页面路径不在项目目录内：${filePath}`) |
| 65 | } |
| 66 | return relative |
| 67 | } |
| 68 | |
| 69 | export class StyleSwitchJobService { |
| 70 | private activeJobs = new Map<string, ActiveStyleSwitchJob>() |
| 71 | private reservedJobIds = new Map<string, string>() |
| 72 | |
| 73 | constructor( |
| 74 | private ctx: IpcContext, |
| 75 | private coordinator: JobCoordinator |
| 76 | ) {} |
| 77 | |
| 78 | async start( |
| 79 | event: Electron.IpcMainInvokeEvent, |
| 80 | payload: unknown, |
| 81 | options?: { pageIds?: string[]; sourceRunId?: string; retryCounts?: Record<string, number> } |
| 82 | ): Promise<{ |
| 83 | success: boolean |
| 84 | runId?: string |
| 85 | styleId: string |
| 86 | alreadyRunning?: boolean |
| 87 | unchanged?: boolean |
| 88 | }> { |
| 89 | const record = |
| 90 | payload && typeof payload === 'object' ? (payload as Record<string, unknown>) : {} |
| 91 | const sessionId = typeof record.sessionId === 'string' ? record.sessionId.trim() : '' |
| 92 | const styleId = typeof record.styleId === 'string' ? record.styleId.trim() : '' |
| 93 | const modelConfigId = |
| 94 | typeof record.modelConfigId === 'string' |
| 95 | ? record.modelConfigId.trim() || undefined |
| 96 | : undefined |
| 97 | if (!sessionId) throw new Error('sessionId 不能为空') |
| 98 | if (!styleId) throw new Error('styleId 不能为空') |
| 99 | |
| 100 | const reservation = await this.coordinator.reserve({ |
| 101 | jobId: crypto.randomUUID(), |
| 102 | domain: 'style', |
| 103 | owner: { kind: 'session', id: sessionId }, |
| 104 | claims: { write: [sessionLockKey(sessionId)] }, |
| 105 | wait: 'fail' |
| 106 | }) |
| 107 | if (reservation.status === 'busy') { |
| 108 | return { success: true, styleId, runId: reservation.conflictingJobId, alreadyRunning: true } |
| 109 | } |
| 110 | |
| 111 | const lease = reservation.lease |
| 112 | this.reservedJobIds.set(sessionId, lease.jobId) |
| 113 | let context: EditContext | null = null |
| 114 | let jobCreated = false |
| 115 | let previousStyleId: string | null = null |
| 116 | let previousStyleSnapshot: SessionStyleSnapshotRow | null = null |
| 117 | let previousDesignContract: unknown = null |
| 118 | let targetSnapshotInstalled = false |
| 119 | try { |
| 120 | const style = this.ctx.db.getStyleRowSync(styleId) |
| 121 | if (!style || style.active === false) throw new Error('选择的风格不存在或已停用') |
| 122 | const session = await this.ctx.db.getSession(sessionId) |
| 123 | if (!session) throw new Error('Session not found') |
| 124 | previousStyleId = session.styleId |
| 125 | previousStyleSnapshot = (await this.ctx.db.getSessionStyleSnapshot(sessionId)) || null |
| 126 | previousDesignContract = readSessionDesignContract(session.designContract) |
| 127 | |
| 128 | const sessionPages = await this.ctx.db.listSessionPages(sessionId) |
| 129 | const requestedPageIds = Array.from(new Set(options?.pageIds || [])) |
| 130 | const selectedPages = |
| 131 | requestedPageIds.length > 0 |
| 132 | ? sessionPages.filter((page) => requestedPageIds.includes(page.file_slug)) |
| 133 | : sessionPages |
| 134 | if (requestedPageIds.length > 0 && selectedPages.length !== requestedPageIds.length) { |
| 135 | throw new Error('重试页面不存在或已被删除') |
| 136 | } |
| 137 | if (selectedPages.length === 0) throw new Error('没有可切换风格的页面') |
| 138 | if (requestedPageIds.length === 0 && session.styleId === styleId) { |
| 139 | return { success: true, styleId, unchanged: true } |
| 140 | } |
| 141 | |
| 142 | await ensureHistoryBaselineSafe( |
| 143 | this.ctx.db, |
| 144 | sessionId, |
| 145 | await this.ctx.resolveSessionProjectDir(sessionId) |
| 146 | ) |
| 147 | await new GitHistoryService(this.ctx.db).captureCurrentVersionStyleState(sessionId) |
| 148 | |
| 149 | // resolveEditContext obtains its style prompt from the session snapshot. Keep the user-visible |
| 150 | // session style unchanged until the first page history commit succeeds. |
| 151 | await this.ctx.db.replaceSessionStyleSnapshot(sessionId, styleId) |
| 152 | targetSnapshotInstalled = true |
| 153 | context = await resolveEditContext( |
| 154 | createGenerationContext(this.ctx), |
| 155 | event, |
| 156 | { |
| 157 | sessionId, |
| 158 | modelConfigId, |
| 159 | userMessage: buildStyleSwitchUserMessage(style.styleName), |
| 160 | type: 'page', |
| 161 | chatType: 'main', |
| 162 | selectPageIds: selectedPages.map((page) => page.file_slug), |
| 163 | resetVisualStyle: true, |
| 164 | persistUserMessage: false |
| 165 | }, |
| 166 | { runId: lease.jobId, abortSignal: lease.signal } |
| 167 | ) |
| 168 | if (context.runId !== lease.jobId) { |
| 169 | throw new Error('风格切换 runId 与 JobCoordinator lease 不一致') |
| 170 | } |
| 171 | |
| 172 | const latestPages = await this.ctx.db.listLatestGenerationPageSnapshot(sessionId) |
| 173 | const latestByPageId = new Map(latestPages.map((page) => [page.page_id, page])) |
| 174 | const projectDir = context.projectDir |
| 175 | const pageRefs: StyleSwitchPageRef[] = selectedPages.map((page) => { |
| 176 | const latest = latestByPageId.get(page.file_slug) |
| 177 | return { |
| 178 | id: page.id, |
| 179 | pageId: page.file_slug, |
| 180 | pageNumber: page.page_number, |
| 181 | title: page.title || `第${page.page_number}页`, |
| 182 | htmlPath: resolvePageHtmlPath({ |
| 183 | projectDir, |
| 184 | fileSlug: page.file_slug, |
| 185 | candidates: [page.html_path] |
| 186 | }), |
| 187 | contentOutline: latest?.content_outline || '', |
| 188 | layoutIntent: page.layout_intent |
| 189 | ? normalizeLayoutIntent(page.layout_intent) |
| 190 | : latest?.layout_intent |
| 191 | ? normalizeLayoutIntent(latest.layout_intent) |
| 192 | : undefined, |
| 193 | layoutId: page.layout_id || null, |
| 194 | layoutContractVersion: page.layout_contract_version || null, |
| 195 | retryCount: Math.max(0, Math.floor(options?.retryCounts?.[page.file_slug] || 0)) |
| 196 | } |
| 197 | }) |
| 198 | pageRefs.sort((left, right) => left.pageNumber - right.pageNumber) |
| 199 | |
| 200 | const metadata: StyleSwitchRunMetadata = { |
| 201 | jobType: 'style-switch', |
| 202 | targetStyleId: style.id, |
| 203 | targetStyleName: style.styleName, |
| 204 | previousStyleId, |
| 205 | previousStyleSnapshot, |
| 206 | previousDesignContract, |
| 207 | designContract: null, |
| 208 | pageIds: pageRefs.map((page) => page.pageId), |
| 209 | sourceRunId: options?.sourceRunId, |
| 210 | userMessage: context.userMessage |
| 211 | } |
| 212 | await this.ctx.db.createGenerationRunWithSessionJobAndPages({ |
| 213 | run: { |
| 214 | id: context.runId, |
| 215 | sessionId, |
| 216 | mode: 'style-switch', |
| 217 | totalPages: pageRefs.length, |
| 218 | modelConfigId: context.modelConfigId, |
| 219 | metadata |
| 220 | }, |
| 221 | job: { |
| 222 | id: context.runId, |
| 223 | sessionId, |
| 224 | kind: 'style-switch', |
| 225 | status: 'active', |
| 226 | previousSessionStatus: normalizeRestoredSessionStatus(context.previousSessionStatus), |
| 227 | totalPages: pageRefs.length |
| 228 | }, |
| 229 | pages: pageRefs.map((page) => ({ |
| 230 | pageId: page.pageId, |
| 231 | pageNumber: page.pageNumber, |
| 232 | title: page.title, |
| 233 | contentOutline: page.contentOutline, |
| 234 | layoutIntent: page.layoutIntent, |
| 235 | layoutId: page.layoutId, |
| 236 | layoutContractVersion: page.layoutContractVersion, |
| 237 | htmlPath: page.htmlPath, |
| 238 | status: 'pending', |
| 239 | retryCount: page.retryCount |
| 240 | })) |
| 241 | }) |
| 242 | jobCreated = true |
| 243 | this.ctx.beginSessionRunState({ |
| 244 | sessionId, |
| 245 | runId: context.runId, |
| 246 | mode: 'style-switch', |
| 247 | kind: 'style-switch', |
| 248 | activityKind: 'style-switch', |
| 249 | totalPages: pageRefs.length, |
| 250 | previousSessionStatus: context.previousSessionStatus, |
| 251 | status: 'running' |
| 252 | }) |
| 253 | this.ctx.emitGenerateChunk(sessionId, { |
| 254 | type: 'stage_started', |
| 255 | payload: { |
| 256 | runId: context.runId, |
| 257 | stage: 'style-switch', |
| 258 | label: context.appLocale === 'en' ? 'Preparing style switch' : '正在准备切换风格', |
| 259 | progress: 0, |
| 260 | totalPages: pageRefs.length |
| 261 | } |
| 262 | }) |
| 263 | |
| 264 | const designContract = await buildDesignContractWithLLM({ |
| 265 | provider: context.provider, |
| 266 | apiKey: context.apiKey, |
| 267 | model: context.model, |
| 268 | baseUrl: context.providerBaseUrl, |
| 269 | maxTokens: context.maxTokens, |
| 270 | modelRuntime: this.ctx.modelRuntime, |
| 271 | modelTimeoutMs: context.modelTimeouts.design, |
| 272 | temperature: this.ctx.DESIGN_CONTRACT_TEMPERATURE, |
| 273 | styleId: context.styleId, |
| 274 | styleSkillPrompt: context.styleSkill.prompt, |
| 275 | styleKey: context.styleKey, |
| 276 | styleName: context.styleName, |
| 277 | styleVersion: context.styleVersion, |
| 278 | appLocale: context.appLocale, |
| 279 | totalPages: pageRefs.length, |
| 280 | slideSize: context.slideSize, |
| 281 | topic: context.topic, |
| 282 | userMessage: context.userMessage, |
| 283 | fontSelection: context.fontSelection, |
| 284 | emit: this.ctx.createDeckProgressEmitter(sessionId, context.appLocale), |
| 285 | runId: context.runId, |
| 286 | signal: context.abortSignal |
| 287 | }) |
| 288 | context.designContract = designContract |
| 289 | await this.ctx.db.updateGenerationRunMetadata(context.runId, { ...metadata, designContract }) |
| 290 | |
| 291 | const job: ActiveStyleSwitchJob = { |
| 292 | sessionId, |
| 293 | runId: context.runId, |
| 294 | styleId, |
| 295 | lease, |
| 296 | context, |
| 297 | pageRefs, |
| 298 | previousStyleId, |
| 299 | previousStyleSnapshot, |
| 300 | previousDesignContract, |
| 301 | designContract, |
| 302 | styleStateCommitted: false, |
| 303 | commitQueue: Promise.resolve(), |
| 304 | fatalError: null |
| 305 | } |
| 306 | this.activeJobs.set(sessionId, job) |
| 307 | void this.run(job) |
| 308 | return { success: true, runId: context.runId, styleId } |
| 309 | } catch (error) { |
| 310 | const message = errorMessage(error) |
| 311 | let terminalRunId: string | null = null |
| 312 | let terminalCancelled = false |
| 313 | if (jobCreated && context) { |
| 314 | await this.markUnfinishedPagesFailed(context.runId, message) |
| 315 | await this.ctx.db.updateSessionJobStatus(context.runId, 'aborted', { |
| 316 | abortReason: lease.signal.aborted ? 'cancelled' : 'setup_failed' |
| 317 | }) |
| 318 | await this.ctx.db.updateGenerationRunStatus(context.runId, 'failed', message) |
| 319 | terminalRunId = context.runId |
| 320 | terminalCancelled = lease.signal.aborted |
| 321 | } |
| 322 | if (targetSnapshotInstalled) { |
| 323 | await this.ctx.db |
| 324 | .restoreSessionStyleState(sessionId, previousStyleId, previousStyleSnapshot || undefined) |
| 325 | .catch(() => undefined) |
| 326 | await this.ctx.db |
| 327 | .updateSessionDesignContract(sessionId, previousDesignContract) |
| 328 | .catch(() => undefined) |
| 329 | } |
| 330 | if (context) { |
| 331 | await this.ctx.db |
| 332 | .updateSessionStatus( |
| 333 | sessionId, |
| 334 | normalizeRestoredSessionStatus(context.previousSessionStatus) |
| 335 | ) |
| 336 | .catch(() => undefined) |
| 337 | } |
| 338 | if (terminalRunId) { |
| 339 | this.ctx.emitGenerateChunk(sessionId, { |
| 340 | type: 'run_error', |
| 341 | payload: { runId: terminalRunId, message, cancelled: terminalCancelled } |
| 342 | }) |
| 343 | this.ctx.emitRuntimeJobTerminal({ |
| 344 | sessionId, |
| 345 | jobId: terminalRunId, |
| 346 | domain: 'style', |
| 347 | status: terminalCancelled ? 'cancelled' : 'failed', |
| 348 | errorCode: terminalCancelled ? undefined : 'style_switch_setup_failed', |
| 349 | errorMessage: terminalCancelled ? undefined : message |
| 350 | }) |
| 351 | } |
| 352 | throw error |
| 353 | } finally { |
| 354 | if (!this.activeJobs.has(sessionId)) { |
| 355 | lease.release() |
| 356 | this.reservedJobIds.delete(sessionId) |
| 357 | if (context) this.ctx.agentManager.removeSession(context.sessionId) |
| 358 | } |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | async retryPage( |
| 363 | event: Electron.IpcMainInvokeEvent, |
| 364 | payload: unknown |
| 365 | ): Promise<{ success: boolean; runId?: string; styleId: string; alreadyRunning?: boolean }> { |
| 366 | const record = |
| 367 | payload && typeof payload === 'object' ? (payload as Record<string, unknown>) : {} |
| 368 | const sessionId = typeof record.sessionId === 'string' ? record.sessionId.trim() : '' |
| 369 | const pageId = typeof record.pageId === 'string' ? record.pageId.trim() : '' |
| 370 | const failedRunId = typeof record.failedRunId === 'string' ? record.failedRunId.trim() : '' |
| 371 | if (!sessionId || !pageId) throw new Error('重试风格切换缺少页面参数') |
| 372 | const sourceRunId = |
| 373 | failedRunId || (await this.ctx.db.getLatestSessionJob(sessionId, ['style-switch']))?.id |
| 374 | if (!sourceRunId) throw new Error('没有可重试的风格切换任务') |
| 375 | const sourceRun = await this.ctx.db.getGenerationRun(sourceRunId) |
| 376 | if (!sourceRun || sourceRun.session_id !== sessionId) throw new Error('重试来源任务不存在') |
| 377 | const failedPage = (await this.ctx.db.listGenerationPages(sourceRunId)).find( |
| 378 | (page) => page.page_id === pageId && page.status === 'failed' |
| 379 | ) |
| 380 | if (!failedPage) throw new Error('该页面不是可重试的失败页面') |
| 381 | const metadata = parseJson<Partial<StyleSwitchRunMetadata>>(sourceRun.metadata, {}) |
| 382 | if (!metadata.targetStyleId) throw new Error('重试来源缺少目标风格') |
| 383 | return this.start( |
| 384 | event, |
| 385 | { ...record, sessionId, styleId: metadata.targetStyleId }, |
| 386 | { |
| 387 | pageIds: [pageId], |
| 388 | sourceRunId, |
| 389 | retryCounts: { [pageId]: failedPage.retry_count + 1 } |
| 390 | } |
| 391 | ) |
| 392 | } |
| 393 | |
| 394 | async retryFailed( |
| 395 | event: Electron.IpcMainInvokeEvent, |
| 396 | payload: unknown |
| 397 | ): Promise<{ |
| 398 | success: boolean |
| 399 | runId?: string |
| 400 | styleId: string |
| 401 | alreadyRunning?: boolean |
| 402 | failedPageCount: number |
| 403 | }> { |
| 404 | const record = |
| 405 | payload && typeof payload === 'object' ? (payload as Record<string, unknown>) : {} |
| 406 | const sessionId = typeof record.sessionId === 'string' ? record.sessionId.trim() : '' |
| 407 | const failedRunId = typeof record.failedRunId === 'string' ? record.failedRunId.trim() : '' |
| 408 | if (!sessionId) throw new Error('sessionId 不能为空') |
| 409 | const sourceRunId = |
| 410 | failedRunId || (await this.ctx.db.getLatestSessionJob(sessionId, ['style-switch']))?.id |
| 411 | if (!sourceRunId) return { success: true, styleId: '', failedPageCount: 0 } |
| 412 | const sourceRun = await this.ctx.db.getGenerationRun(sourceRunId) |
| 413 | if (!sourceRun || sourceRun.session_id !== sessionId) throw new Error('重试来源任务不存在') |
| 414 | const failedPages = (await this.ctx.db.listGenerationPages(sourceRunId)).filter( |
| 415 | (page) => page.status === 'failed' |
| 416 | ) |
| 417 | const failedPageIds = failedPages.map((page) => page.page_id) |
| 418 | const metadata = parseJson<Partial<StyleSwitchRunMetadata>>(sourceRun.metadata, {}) |
| 419 | const styleId = |
| 420 | typeof record.styleId === 'string' ? record.styleId.trim() : metadata.targetStyleId || '' |
| 421 | if (!styleId) throw new Error('重试来源缺少目标风格') |
| 422 | if (failedPageIds.length === 0) return { success: true, styleId, failedPageCount: 0 } |
| 423 | const result = await this.start( |
| 424 | event, |
| 425 | { ...record, sessionId, styleId }, |
| 426 | { |
| 427 | pageIds: failedPageIds, |
| 428 | sourceRunId, |
| 429 | retryCounts: Object.fromEntries( |
| 430 | failedPages.map((page) => [page.page_id, page.retry_count + 1]) |
| 431 | ) |
| 432 | } |
| 433 | ) |
| 434 | return { ...result, failedPageCount: failedPageIds.length } |
| 435 | } |
| 436 | |
| 437 | async cancel(sessionId: string): Promise<boolean> { |
| 438 | const job = this.activeJobs.get(sessionId) |
| 439 | if (job) { |
| 440 | return this.coordinator.cancel(job.lease.jobId) |
| 441 | } |
| 442 | const jobId = this.reservedJobIds.get(sessionId) |
| 443 | return jobId ? this.coordinator.cancel(jobId) : false |
| 444 | } |
| 445 | |
| 446 | async getState(sessionId: string): Promise<StyleSwitchJobSnapshot> { |
| 447 | const active = this.activeJobs.get(sessionId) |
| 448 | const activeState = this.ctx.sessionRunStates.get(sessionId) |
| 449 | const job = active |
| 450 | ? await this.ctx.db.getSessionJob(active.runId) |
| 451 | : await this.ctx.db.getLatestSessionJob(sessionId, ['style-switch']) |
| 452 | const run = job ? await this.ctx.db.getGenerationRun(job.id) : undefined |
| 453 | const pages = run ? await this.ctx.db.listGenerationPages(run.id) : [] |
| 454 | const metadata = parseJson<Partial<StyleSwitchRunMetadata>>(run?.metadata, {}) |
| 455 | const completedPageCount = pages.filter((page) => page.status === 'completed').length |
| 456 | const failedPageCount = pages.filter((page) => page.status === 'failed').length |
| 457 | const activeJob = Boolean(active) || job?.status === 'active' |
| 458 | const cancelled = job?.status === 'aborted' && job.abort_reason === 'cancelled' |
| 459 | const status: StyleSwitchJobSnapshot['status'] = activeJob |
| 460 | ? 'running' |
| 461 | : cancelled |
| 462 | ? 'cancelled' |
| 463 | : run?.status === 'completed' |
| 464 | ? 'completed' |
| 465 | : run?.status === 'partial' |
| 466 | ? 'partial' |
| 467 | : run?.status === 'failed' || job?.status === 'aborted' |
| 468 | ? 'failed' |
| 469 | : 'idle' |
| 470 | return { |
| 471 | sessionId, |
| 472 | runId: job?.id || null, |
| 473 | status, |
| 474 | hasActiveRun: activeJob, |
| 475 | progress: activeState?.progress ?? (status === 'completed' ? 100 : 0), |
| 476 | totalPages: job?.total_pages || run?.total_pages || pages.length || 1, |
| 477 | completedPageCount, |
| 478 | failedPageCount, |
| 479 | targetStyleId: metadata.targetStyleId || null, |
| 480 | targetStyleName: metadata.targetStyleName || null, |
| 481 | pages: pages.map((page) => ({ |
| 482 | pageId: page.page_id, |
| 483 | pageNumber: page.page_number, |
| 484 | title: page.title, |
| 485 | status: page.status, |
| 486 | error: page.error, |
| 487 | retryCount: page.retry_count |
| 488 | })), |
| 489 | error: run?.error || job?.abort_reason || null, |
| 490 | startedAt: |
| 491 | activeState?.startedAt ?? (job ? (job.activated_at || job.created_at) * 1000 : null), |
| 492 | updatedAt: activeState?.updatedAt ?? (job ? job.updated_at * 1000 : null), |
| 493 | kind: 'style-switch' |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | async listActive(): Promise<StyleSwitchJobSnapshot[]> { |
| 498 | const jobs = await this.ctx.db.listActiveSessionJobs(['style-switch']) |
| 499 | return Promise.all(jobs.map((job) => this.getState(job.session_id))) |
| 500 | } |
| 501 | |
| 502 | async abortInterruptedJobs(reason: string): Promise<void> { |
| 503 | const jobs = await this.ctx.db.listActiveSessionJobs(['style-switch']) |
| 504 | for (const job of jobs) { |
| 505 | if (this.activeJobs.has(job.session_id)) continue |
| 506 | const run = await this.ctx.db.getGenerationRun(job.id) |
| 507 | const metadata = parseJson<Partial<StyleSwitchRunMetadata>>(run?.metadata, {}) |
| 508 | const pages = await this.ctx.db.listGenerationPages(job.id) |
| 509 | const completed = pages.some((page) => page.status === 'completed') |
| 510 | if (!completed) { |
| 511 | await this.ctx.db |
| 512 | .restoreSessionStyleState( |
| 513 | job.session_id, |
| 514 | metadata.previousStyleId || null, |
| 515 | metadata.previousStyleSnapshot || undefined |
| 516 | ) |
| 517 | .catch(() => undefined) |
| 518 | await this.ctx.db |
| 519 | .updateSessionDesignContract(job.session_id, metadata.previousDesignContract ?? null) |
| 520 | .catch(() => undefined) |
| 521 | } |
| 522 | await this.markUnfinishedPagesFailed(job.id, reason) |
| 523 | await this.ctx.db.updateSessionJobStatus(job.id, 'aborted', { abortReason: reason }) |
| 524 | await this.ctx.db.updateGenerationRunStatus(job.id, completed ? 'partial' : 'failed', reason) |
| 525 | await this.ctx.db.updateSessionStatus( |
| 526 | job.session_id, |
| 527 | completed ? 'failed' : normalizeRestoredSessionStatus(job.previous_session_status) |
| 528 | ) |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | private async run(job: ActiveStyleSwitchJob): Promise<void> { |
| 533 | try { |
| 534 | await this.runWorkers(job) |
| 535 | await job.commitQueue |
| 536 | if (job.lease.signal.aborted || job.fatalError) { |
| 537 | const message = job.fatalError?.message || '生成已取消' |
| 538 | await this.markUnfinishedPagesFailed(job.runId, message) |
| 539 | const pages = await this.ctx.db.listGenerationPages(job.runId) |
| 540 | const completedCount = pages.filter((page) => page.status === 'completed').length |
| 541 | const failedCount = pages.filter((page) => page.status === 'failed').length |
| 542 | await this.ctx.db.updateSessionJobStatus(job.runId, 'aborted', { |
| 543 | abortReason: job.lease.signal.aborted ? 'cancelled' : message |
| 544 | }) |
| 545 | await this.ctx.db.updateGenerationRunStatus( |
| 546 | job.runId, |
| 547 | completedCount > 0 ? 'partial' : 'failed', |
| 548 | message |
| 549 | ) |
| 550 | await this.ctx.db.updateSessionStatus( |
| 551 | job.sessionId, |
| 552 | completedCount > 0 |
| 553 | ? 'failed' |
| 554 | : normalizeRestoredSessionStatus(job.context.previousSessionStatus) |
| 555 | ) |
| 556 | if (!job.styleStateCommitted) await this.restoreInitialStyleState(job) |
| 557 | this.ctx.emitGenerateChunk(job.sessionId, { |
| 558 | type: 'run_error', |
| 559 | payload: { |
| 560 | runId: job.runId, |
| 561 | message, |
| 562 | cancelled: job.lease.signal.aborted, |
| 563 | completedPageCount: completedCount, |
| 564 | failedPageCount: failedCount |
| 565 | } |
| 566 | }) |
| 567 | this.ctx.emitRuntimeJobTerminal({ |
| 568 | sessionId: job.sessionId, |
| 569 | jobId: job.runId, |
| 570 | domain: 'style', |
| 571 | status: job.lease.signal.aborted ? 'cancelled' : 'failed', |
| 572 | errorCode: job.lease.signal.aborted ? undefined : 'style_switch_failed', |
| 573 | errorMessage: job.lease.signal.aborted ? undefined : message |
| 574 | }) |
| 575 | return |
| 576 | } |
| 577 | |
| 578 | const pages = await this.ctx.db.listGenerationPages(job.runId) |
| 579 | const completedCount = pages.filter((page) => page.status === 'completed').length |
| 580 | const failedCount = pages.filter((page) => page.status === 'failed').length |
| 581 | const runStatus = failedCount === 0 ? 'completed' : completedCount > 0 ? 'partial' : 'failed' |
| 582 | await this.ctx.db.updateSessionJobStatus(job.runId, 'finished') |
| 583 | await this.ctx.db.updateGenerationRunStatus( |
| 584 | job.runId, |
| 585 | runStatus, |
| 586 | failedCount > 0 ? `${failedCount} 个页面切换失败` : null |
| 587 | ) |
| 588 | await this.ctx.db.updateSessionStatus(job.sessionId, failedCount > 0 ? 'failed' : 'completed') |
| 589 | await this.ctx.db.updateSessionMetadata(job.sessionId, { |
| 590 | lastRunId: job.runId, |
| 591 | entryMode: 'multi_page', |
| 592 | styleSwitchTargetStyleId: job.styleId |
| 593 | }) |
| 594 | await this.ctx.db.updateProjectStatus(job.context.projectId, 'draft') |
| 595 | if (!job.styleStateCommitted) await this.restoreInitialStyleState(job) |
| 596 | this.ctx.emitGenerateChunk(job.sessionId, { |
| 597 | type: 'run_completed', |
| 598 | payload: { |
| 599 | runId: job.runId, |
| 600 | totalPages: job.pageRefs.length, |
| 601 | completedPageCount: completedCount, |
| 602 | failedPageCount: failedCount |
| 603 | } |
| 604 | }) |
| 605 | this.ctx.emitRuntimeJobTerminal({ |
| 606 | sessionId: job.sessionId, |
| 607 | jobId: job.runId, |
| 608 | domain: 'style', |
| 609 | status: 'completed' |
| 610 | }) |
| 611 | } catch (error) { |
| 612 | const message = errorMessage(error) |
| 613 | log.error('[style-switch:job] run failed', { |
| 614 | sessionId: job.sessionId, |
| 615 | runId: job.runId, |
| 616 | message |
| 617 | }) |
| 618 | await this.markUnfinishedPagesFailed(job.runId, message) |
| 619 | const pages = await this.ctx.db.listGenerationPages(job.runId) |
| 620 | const completedCount = pages.filter((page) => page.status === 'completed').length |
| 621 | await this.ctx.db.updateSessionJobStatus(job.runId, 'aborted', { abortReason: message }) |
| 622 | await this.ctx.db.updateGenerationRunStatus( |
| 623 | job.runId, |
| 624 | completedCount > 0 ? 'partial' : 'failed', |
| 625 | message |
| 626 | ) |
| 627 | await this.ctx.db.updateSessionStatus( |
| 628 | job.sessionId, |
| 629 | completedCount > 0 |
| 630 | ? 'failed' |
| 631 | : normalizeRestoredSessionStatus(job.context.previousSessionStatus) |
| 632 | ) |
| 633 | if (!job.styleStateCommitted) await this.restoreInitialStyleState(job) |
| 634 | this.ctx.emitGenerateChunk(job.sessionId, { |
| 635 | type: 'run_error', |
| 636 | payload: { |
| 637 | runId: job.runId, |
| 638 | message, |
| 639 | cancelled: job.lease.signal.aborted, |
| 640 | completedPageCount: completedCount, |
| 641 | failedPageCount: pages.filter((page) => page.status === 'failed').length |
| 642 | } |
| 643 | }) |
| 644 | this.ctx.emitRuntimeJobTerminal({ |
| 645 | sessionId: job.sessionId, |
| 646 | jobId: job.runId, |
| 647 | domain: 'style', |
| 648 | status: job.lease.signal.aborted ? 'cancelled' : 'failed', |
| 649 | errorCode: job.lease.signal.aborted ? undefined : 'style_switch_failed', |
| 650 | errorMessage: job.lease.signal.aborted ? undefined : message |
| 651 | }) |
| 652 | } finally { |
| 653 | this.ctx.agentManager.removeSession(job.sessionId) |
| 654 | this.activeJobs.delete(job.sessionId) |
| 655 | this.reservedJobIds.delete(job.sessionId) |
| 656 | job.lease.release() |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | private async runWorkers(job: ActiveStyleSwitchJob): Promise<void> { |
| 661 | const pageQueue = [...job.pageRefs] |
| 662 | const worker = async (): Promise<void> => { |
| 663 | while (!job.lease.signal.aborted && !job.fatalError) { |
| 664 | const page = pageQueue.shift() |
| 665 | if (!page) return |
| 666 | await this.runPage(job, page) |
| 667 | } |
| 668 | } |
| 669 | await Promise.all( |
| 670 | Array.from({ length: Math.min(STYLE_SWITCH_CONCURRENCY, pageQueue.length) }, () => worker()) |
| 671 | ) |
| 672 | } |
| 673 | |
| 674 | private async runPage(job: ActiveStyleSwitchJob, page: StyleSwitchPageRef): Promise<void> { |
| 675 | const pageSnapshot = await readStyleSwitchFileSnapshot(page.htmlPath) |
| 676 | const indexPath = path.join(job.context.projectDir, 'index.html') |
| 677 | const indexSnapshot = await readStyleSwitchFileSnapshot(indexPath) |
| 678 | try { |
| 679 | if (job.lease.signal.aborted) throw new Error('生成已取消') |
| 680 | await this.ctx.db.upsertGenerationPage({ |
| 681 | runId: job.runId, |
| 682 | sessionId: job.sessionId, |
| 683 | pageId: page.pageId, |
| 684 | pageNumber: page.pageNumber, |
| 685 | title: page.title, |
| 686 | contentOutline: page.contentOutline, |
| 687 | layoutIntent: page.layoutIntent, |
| 688 | layoutId: page.layoutId, |
| 689 | layoutContractVersion: page.layoutContractVersion, |
| 690 | htmlPath: page.htmlPath, |
| 691 | status: 'running', |
| 692 | retryCount: page.retryCount |
| 693 | }) |
| 694 | this.ctx.emitGenerateChunk(job.sessionId, { |
| 695 | type: 'page_started', |
| 696 | payload: { |
| 697 | runId: job.runId, |
| 698 | stage: 'style-switch', |
| 699 | label: |
| 700 | job.context.appLocale === 'en' |
| 701 | ? `Editing P${page.pageNumber}` |
| 702 | : `正在切换 P${page.pageNumber} 风格`, |
| 703 | progress: 0, |
| 704 | currentPage: page.pageNumber, |
| 705 | totalPages: job.pageRefs.length, |
| 706 | pageNumber: page.pageNumber, |
| 707 | pageId: page.pageId, |
| 708 | title: page.title, |
| 709 | htmlPath: page.htmlPath |
| 710 | } |
| 711 | }) |
| 712 | const html = await runStyleSwitchPageFlow({ |
| 713 | ctx: this.ctx, |
| 714 | job, |
| 715 | page, |
| 716 | indexPath, |
| 717 | indexSnapshot, |
| 718 | emitProgress: (chunk) => this.emitPageProgress(job, page, chunk) |
| 719 | }) |
| 720 | if (!pageSnapshot.exists || pageSnapshot.content === html) { |
| 721 | throw new Error('当前页面编辑没有检测到落盘变化。') |
| 722 | } |
| 723 | await this.enqueueCommit(job, async () => this.commitPage(job, page, html)) |
| 724 | } catch (error) { |
| 725 | const message = errorMessage(error) |
| 726 | const historyAlreadyCommitted = error instanceof StyleSwitchCommittedPageFinalizationError |
| 727 | const historyCommitFailed = error instanceof StyleSwitchHistoryCommitError |
| 728 | if (!historyAlreadyCommitted) { |
| 729 | await restoreStyleSwitchFileSnapshot(page.htmlPath, pageSnapshot).catch((restoreError) => { |
| 730 | log.error('[style-switch:job] page rollback failed', { |
| 731 | sessionId: job.sessionId, |
| 732 | runId: job.runId, |
| 733 | pageId: page.pageId, |
| 734 | message: errorMessage(restoreError) |
| 735 | }) |
| 736 | }) |
| 737 | } |
| 738 | if (!historyAlreadyCommitted && /index\.html/i.test(message)) { |
| 739 | await restoreStyleSwitchFileSnapshot(indexPath, indexSnapshot).catch((restoreError) => { |
| 740 | log.error('[style-switch:job] index rollback failed', { |
| 741 | sessionId: job.sessionId, |
| 742 | runId: job.runId, |
| 743 | pageId: page.pageId, |
| 744 | message: errorMessage(restoreError) |
| 745 | }) |
| 746 | }) |
| 747 | } |
| 748 | const cancelled = job.lease.signal.aborted || isCancellationMessage(message) |
| 749 | await this.ctx.db.upsertGenerationPage({ |
| 750 | runId: job.runId, |
| 751 | sessionId: job.sessionId, |
| 752 | pageId: page.pageId, |
| 753 | pageNumber: page.pageNumber, |
| 754 | title: page.title, |
| 755 | contentOutline: page.contentOutline, |
| 756 | layoutIntent: page.layoutIntent, |
| 757 | layoutId: page.layoutId, |
| 758 | layoutContractVersion: page.layoutContractVersion, |
| 759 | htmlPath: page.htmlPath, |
| 760 | status: 'failed', |
| 761 | error: message, |
| 762 | retryCount: page.retryCount |
| 763 | }) |
| 764 | this.ctx.emitGenerateChunk(job.sessionId, { |
| 765 | type: 'page_failed', |
| 766 | payload: { |
| 767 | runId: job.runId, |
| 768 | stage: 'style-switch', |
| 769 | label: |
| 770 | job.context.appLocale === 'en' |
| 771 | ? `P${page.pageNumber} failed` |
| 772 | : `P${page.pageNumber} 切换失败`, |
| 773 | progress: 0, |
| 774 | currentPage: page.pageNumber, |
| 775 | totalPages: job.pageRefs.length, |
| 776 | pageNumber: page.pageNumber, |
| 777 | pageId: page.pageId, |
| 778 | title: page.title, |
| 779 | htmlPath: page.htmlPath, |
| 780 | error: message |
| 781 | } |
| 782 | }) |
| 783 | if ( |
| 784 | !cancelled && |
| 785 | (historyAlreadyCommitted || |
| 786 | historyCommitFailed || |
| 787 | /index\.html|历史记录|history/i.test(message)) |
| 788 | ) { |
| 789 | job.fatalError = new Error(message) |
| 790 | this.coordinator.cancel(job.lease.jobId) |
| 791 | } |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | private async commitPage( |
| 796 | job: ActiveStyleSwitchJob, |
| 797 | page: StyleSwitchPageRef, |
| 798 | html: string |
| 799 | ): Promise<void> { |
| 800 | // A page may finish agent work while an earlier page is still committing. Do not let a |
| 801 | // cancelled job turn that queued result into a durable page version. |
| 802 | this.assertCommitNotCancelled(job) |
| 803 | const existingPage = ( |
| 804 | await this.ctx.db.listSessionPages(job.sessionId, { includeDeleted: true }) |
| 805 | ).find((candidate) => candidate.id === page.id || candidate.file_slug === page.pageId) |
| 806 | const previousPage = existingPage ? { ...existingPage } : null |
| 807 | const retainedLayoutSource = resolveRetainedPageLayoutSource({ |
| 808 | html, |
| 809 | layoutIntent: page.layoutIntent || null, |
| 810 | layoutId: page.layoutId, |
| 811 | layoutContractVersion: page.layoutContractVersion |
| 812 | }) |
| 813 | const relativePath = toRelativeProjectPath(job.context.projectDir, page.htmlPath) |
| 814 | let appliedStyleState = false |
| 815 | try { |
| 816 | if (!job.styleStateCommitted) { |
| 817 | await this.ctx.db.updateSessionStyleId(job.sessionId, job.styleId) |
| 818 | await this.ctx.db.updateSessionDesignContract(job.sessionId, job.designContract) |
| 819 | appliedStyleState = true |
| 820 | } |
| 821 | // Git is the durability boundary. A page is not marked completed until this per-page |
| 822 | // history operation has succeeded. |
| 823 | this.assertCommitNotCancelled(job) |
| 824 | const history = new GitHistoryService(this.ctx.db) |
| 825 | let operation |
| 826 | try { |
| 827 | operation = await history.recordOperation({ |
| 828 | sessionId: job.sessionId, |
| 829 | projectDir: job.context.projectDir, |
| 830 | type: 'edit', |
| 831 | scope: 'page', |
| 832 | prompt: `切换风格 · 第 ${page.pageNumber} 页`, |
| 833 | allowedPaths: [relativePath], |
| 834 | metadata: { |
| 835 | runId: job.runId, |
| 836 | jobType: 'style-switch', |
| 837 | pageId: page.pageId, |
| 838 | pageNumber: page.pageNumber, |
| 839 | styleId: job.styleId, |
| 840 | styleName: job.context.styleName || null, |
| 841 | retryCount: page.retryCount |
| 842 | } |
| 843 | }) |
| 844 | } catch (error) { |
| 845 | const fatalError = new StyleSwitchHistoryCommitError(error) |
| 846 | job.fatalError = fatalError |
| 847 | this.coordinator.cancel(job.lease.jobId) |
| 848 | throw fatalError |
| 849 | } |
| 850 | if (!operation?.after_commit) { |
| 851 | const fatalError = new StyleSwitchHistoryCommitError('未生成 Git 提交') |
| 852 | job.fatalError = fatalError |
| 853 | this.coordinator.cancel(job.lease.jobId) |
| 854 | throw fatalError |
| 855 | } |
| 856 | try { |
| 857 | await this.ctx.db.upsertSessionPage({ |
| 858 | id: existingPage?.id || page.id, |
| 859 | sessionId: job.sessionId, |
| 860 | legacyPageId: |
| 861 | existingPage?.legacy_page_id || (page.pageId.match(/^page-\d+$/) ? page.pageId : null), |
| 862 | fileSlug: page.pageId, |
| 863 | pageNumber: page.pageNumber, |
| 864 | title: page.title, |
| 865 | htmlPath: page.htmlPath, |
| 866 | layoutIntent: retainedLayoutSource.layoutIntent, |
| 867 | layoutId: retainedLayoutSource.layoutId, |
| 868 | layoutContractVersion: retainedLayoutSource.layoutContractVersion, |
| 869 | status: 'completed', |
| 870 | error: null |
| 871 | }) |
| 872 | await this.ctx.db.upsertGenerationPage({ |
| 873 | runId: job.runId, |
| 874 | sessionId: job.sessionId, |
| 875 | pageId: page.pageId, |
| 876 | pageNumber: page.pageNumber, |
| 877 | title: page.title, |
| 878 | contentOutline: page.contentOutline, |
| 879 | layoutIntent: retainedLayoutSource.layoutIntent, |
| 880 | layoutId: retainedLayoutSource.layoutId, |
| 881 | layoutContractVersion: retainedLayoutSource.layoutContractVersion, |
| 882 | htmlPath: page.htmlPath, |
| 883 | status: 'completed', |
| 884 | retryCount: page.retryCount |
| 885 | }) |
| 886 | } catch (error) { |
| 887 | try { |
| 888 | await history.rollbackCommittedOperation({ |
| 889 | sessionId: job.sessionId, |
| 890 | projectDir: job.context.projectDir, |
| 891 | operation, |
| 892 | allowedPaths: [relativePath], |
| 893 | reason: errorMessage(error) |
| 894 | }) |
| 895 | } catch (compensationError) { |
| 896 | const fatalError = new StyleSwitchCommittedPageFinalizationError(compensationError) |
| 897 | job.fatalError = fatalError |
| 898 | this.coordinator.cancel(job.lease.jobId) |
| 899 | throw fatalError |
| 900 | } |
| 901 | throw new StyleSwitchHistoryCommitError(error) |
| 902 | } |
| 903 | job.styleStateCommitted = true |
| 904 | // History is already durable. A renderer notification failure must not make the page look |
| 905 | // failed or roll its file back after the commit. |
| 906 | try { |
| 907 | this.ctx.emitGenerateChunk(job.sessionId, { |
| 908 | type: 'page_updated', |
| 909 | payload: { |
| 910 | runId: job.runId, |
| 911 | stage: 'style-switch', |
| 912 | label: |
| 913 | job.context.appLocale === 'en' |
| 914 | ? `P${page.pageNumber} saved` |
| 915 | : `P${page.pageNumber} 已保存到历史版本`, |
| 916 | progress: 100, |
| 917 | currentPage: page.pageNumber, |
| 918 | totalPages: job.pageRefs.length, |
| 919 | id: page.id, |
| 920 | pageNumber: page.pageNumber, |
| 921 | title: page.title, |
| 922 | html, |
| 923 | htmlPath: page.htmlPath, |
| 924 | pageId: page.pageId, |
| 925 | sourceUrl: this.ctx.getPageSourceUrl(page.htmlPath), |
| 926 | pageCommitReady: true |
| 927 | } |
| 928 | }) |
| 929 | } catch (error) { |
| 930 | log.warn('[style-switch:job] page commit notification failed', { |
| 931 | sessionId: job.sessionId, |
| 932 | runId: job.runId, |
| 933 | pageId: page.pageId, |
| 934 | message: errorMessage(error) |
| 935 | }) |
| 936 | } |
| 937 | } catch (error) { |
| 938 | if (previousPage) { |
| 939 | await this.ctx.db.upsertSessionPage({ |
| 940 | id: previousPage.id, |
| 941 | sessionId: previousPage.session_id, |
| 942 | legacyPageId: previousPage.legacy_page_id, |
| 943 | fileSlug: previousPage.file_slug, |
| 944 | pageNumber: previousPage.page_number, |
| 945 | title: previousPage.title, |
| 946 | htmlPath: previousPage.html_path, |
| 947 | layoutIntent: previousPage.layout_intent |
| 948 | ? normalizeLayoutIntent(previousPage.layout_intent) |
| 949 | : null, |
| 950 | layoutId: previousPage.layout_id || null, |
| 951 | layoutContractVersion: previousPage.layout_contract_version || null, |
| 952 | status: previousPage.status, |
| 953 | error: previousPage.error |
| 954 | }) |
| 955 | } |
| 956 | if (appliedStyleState && !job.styleStateCommitted) await this.restoreInitialStyleState(job) |
| 957 | throw error |
| 958 | } |
| 959 | } |
| 960 | |
| 961 | private emitPageProgress( |
| 962 | job: ActiveStyleSwitchJob, |
| 963 | page: StyleSwitchPageRef, |
| 964 | chunk: GenerateChunkEvent |
| 965 | ): void { |
| 966 | if ( |
| 967 | chunk.type === 'assistant_message' || |
| 968 | chunk.type === 'run_completed' || |
| 969 | chunk.type === 'run_error' |
| 970 | ) |
| 971 | return |
| 972 | this.ctx.emitGenerateChunk(job.sessionId, { |
| 973 | ...chunk, |
| 974 | payload: { |
| 975 | ...chunk.payload, |
| 976 | runId: job.runId, |
| 977 | currentPage: page.pageNumber, |
| 978 | totalPages: job.pageRefs.length |
| 979 | } |
| 980 | } as GenerateChunkEvent) |
| 981 | } |
| 982 | |
| 983 | private async enqueueCommit( |
| 984 | job: ActiveStyleSwitchJob, |
| 985 | operation: () => Promise<void> |
| 986 | ): Promise<void> { |
| 987 | const guardedOperation = async (): Promise<void> => { |
| 988 | this.assertCommitNotCancelled(job) |
| 989 | if (job.fatalError) throw job.fatalError |
| 990 | await operation() |
| 991 | } |
| 992 | const next = job.commitQueue.then(guardedOperation, guardedOperation) |
| 993 | job.commitQueue = next.catch(() => undefined) |
| 994 | await next |
| 995 | } |
| 996 | |
| 997 | private assertCommitNotCancelled(job: ActiveStyleSwitchJob): void { |
| 998 | if (job.lease.signal.aborted) throw new Error('生成已取消') |
| 999 | } |
| 1000 | |
| 1001 | private async markUnfinishedPagesFailed(runId: string, reason: string): Promise<void> { |
| 1002 | const pages = await this.ctx.db.listGenerationPages(runId) |
| 1003 | await Promise.all( |
| 1004 | pages |
| 1005 | .filter((page) => page.status !== 'completed' && page.status !== 'failed') |
| 1006 | .map((page) => |
| 1007 | this.ctx.db.upsertGenerationPage({ |
| 1008 | runId: page.run_id, |
| 1009 | sessionId: page.session_id, |
| 1010 | pageId: page.page_id, |
| 1011 | pageNumber: page.page_number, |
| 1012 | title: page.title, |
| 1013 | contentOutline: page.content_outline, |
| 1014 | layoutIntent: page.layout_intent, |
| 1015 | layoutId: page.layout_id, |
| 1016 | layoutContractVersion: page.layout_contract_version, |
| 1017 | htmlPath: page.html_path, |
| 1018 | status: 'failed', |
| 1019 | error: reason, |
| 1020 | retryCount: page.retry_count |
| 1021 | }) |
| 1022 | ) |
| 1023 | ) |
| 1024 | } |
| 1025 | |
| 1026 | private async restoreInitialStyleState(job: ActiveStyleSwitchJob): Promise<void> { |
| 1027 | await this.ctx.db |
| 1028 | .restoreSessionStyleState( |
| 1029 | job.sessionId, |
| 1030 | job.previousStyleId, |
| 1031 | job.previousStyleSnapshot || undefined |
| 1032 | ) |
| 1033 | .catch((error) => { |
| 1034 | log.error('[style-switch:job] failed to restore style state', { |
| 1035 | sessionId: job.sessionId, |
| 1036 | runId: job.runId, |
| 1037 | message: errorMessage(error) |
| 1038 | }) |
| 1039 | }) |
| 1040 | await this.ctx.db |
| 1041 | .updateSessionDesignContract(job.sessionId, job.previousDesignContract) |
| 1042 | .catch(() => undefined) |
| 1043 | } |
| 1044 | } |
| 1045 | |
| 1046 | export function registerStyleSwitchJobHandlers( |
| 1047 | ctx: IpcContext, |
| 1048 | coordinator: JobCoordinator |
| 1049 | ): StyleSwitchJobService { |
| 1050 | const service = new StyleSwitchJobService(ctx, coordinator) |
| 1051 | const interruptedReady = service |
| 1052 | .abortInterruptedJobs('应用退出导致风格切换中断，可重试') |
| 1053 | .catch((error) => { |
| 1054 | log.warn('[style-switch:job] failed to abort interrupted jobs', { |
| 1055 | message: errorMessage(error) |
| 1056 | }) |
| 1057 | }) |
| 1058 | ipcMain.handle('style-switch:start', async (event, payload) => { |
| 1059 | await interruptedReady |
| 1060 | return service.start(event, payload) |
| 1061 | }) |
| 1062 | ipcMain.handle('style-switch:retryPage', async (event, payload) => { |
| 1063 | await interruptedReady |
| 1064 | return service.retryPage(event, payload) |
| 1065 | }) |
| 1066 | ipcMain.handle('style-switch:retryFailed', async (event, payload) => { |
| 1067 | await interruptedReady |
| 1068 | return service.retryFailed(event, payload) |
| 1069 | }) |
| 1070 | ipcMain.handle('style-switch:cancel', async (_event, rawSessionId) => { |
| 1071 | await interruptedReady |
| 1072 | const sessionId = typeof rawSessionId === 'string' ? rawSessionId.trim() : '' |
| 1073 | return { success: sessionId ? await service.cancel(sessionId) : true } |
| 1074 | }) |
| 1075 | ipcMain.handle('style-switch:state', async (_event, rawSessionId) => { |
| 1076 | await interruptedReady |
| 1077 | const sessionId = typeof rawSessionId === 'string' ? rawSessionId.trim() : '' |
| 1078 | if (!sessionId) throw new Error('sessionId 不能为空') |
| 1079 | return service.getState(sessionId) |
| 1080 | }) |
| 1081 | ipcMain.handle('style-switch:listActive', async () => { |
| 1082 | await interruptedReady |
| 1083 | return service.listActive() |
| 1084 | }) |
| 1085 | return service |
| 1086 | } |
| 1087 |