task-101(任务与重复分析中心): 定义统一任务状态和结果文件类型
新增 src/pages/tasks/task-model.ts:TaskStatus 归一(含同义词/终态判定)、 TaskId/ResultId 字符串兼容品牌类型与 ResultFileDescriptor 解析(snake/camel)。 TDD: task-101.test.ts 8 用例先 RED 后 GREEN。
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/** 任务与重复分析中心统一任务类型(任务 101):任务状态归一、任务/结果 id 与结果文件描述;
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* 纯逻辑、无框架依赖,供视频任务/店铺数据任务/重复分析共用。 */
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/** 归一化任务状态。 */
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export type TaskStatus = 'PENDING' | 'RUNNING' | 'SUCCESS' | 'FAILED' | 'CANCELLED' | 'UNKNOWN'
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/** 结果文件 id(字符串兼容,保持与后端 task_id/result_id 一致)。 */
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export type ResultId = string & { readonly __resultId: unique symbol }
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export type TaskId = string & { readonly __taskId: unique symbol }
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const STATUS_ALIAS: Record<string, TaskStatus> = {
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PENDING: 'PENDING',
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WAITING: 'PENDING',
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QUEUED: 'PENDING',
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RUNNING: 'RUNNING',
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PROCESSING: 'RUNNING',
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IN_PROGRESS: 'RUNNING',
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EXPORTING: 'RUNNING',
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SUCCESS: 'SUCCESS',
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SUCCEEDED: 'SUCCESS',
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COMPLETED: 'SUCCESS',
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DONE: 'SUCCESS',
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FAILED: 'FAILED',
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FAILURE: 'FAILED',
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ERROR: 'FAILED',
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CANCELLED: 'CANCELLED',
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CANCELED: 'CANCELLED',
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UNKNOWN: 'UNKNOWN',
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}
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/** 归一分隔符/大小写后的任务状态;未知值一律回 UNKNOWN。 */
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export function normalizeTaskStatus(value: unknown): TaskStatus {
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if (typeof value !== 'string') return 'UNKNOWN'
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const key = value.trim().toUpperCase()
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return STATUS_ALIAS[key] ?? 'UNKNOWN'
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}
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/** 是否终态(可清理轮询):成功/失败/取消。 */
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export function isTerminalTaskStatus(status: TaskStatus): boolean {
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return status === 'SUCCESS' || status === 'FAILED' || status === 'CANCELLED'
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}
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function brandedId(value: string): string {
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return value
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}
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/** 任务/结果 id 归一为字符串兼容的带品牌类型;空白返回空串。 */
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export function toTaskId(value: unknown): TaskId {
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const text = typeof value === 'string' ? value.trim() : typeof value === 'number' && Number.isFinite(value) ? String(Math.floor(value)) : ''
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return brandedId(text) as TaskId
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}
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export function toResultId(value: unknown): ResultId {
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const text = typeof value === 'string' ? value.trim() : typeof value === 'number' && Number.isFinite(value) ? String(Math.floor(value)) : ''
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return brandedId(text) as ResultId
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}
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/** 结果文件描述:文件名/URL/大小/状态/错误 的类型化边界。 */
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export interface ResultFileDescriptor {
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resultId: ResultId
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taskId?: TaskId
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filename: string
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url: string
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size?: number
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rowCount?: number
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status: TaskStatus
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error?: string
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}
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function text(value: unknown): string {
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return typeof value === 'string' ? value.trim() : ''
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}
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function positiveNumber(value: unknown): number | undefined {
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return typeof value === 'number' && Number.isFinite(value) && value >= 0 ? Math.floor(value) : undefined
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}
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/** 解析一条结果文件记录(snake/camel 兜底);缺有效 resultId 视为无效。 */
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export function normalizeResultFile(raw: unknown): ResultFileDescriptor | null {
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if (!raw || typeof raw !== 'object') return null
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const record = raw as Record<string, unknown>
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const resultId = toResultId(record.result_id ?? record.resultId)
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if (!resultId) return null
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const descriptor: ResultFileDescriptor = {
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resultId,
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filename: text(record.output_filename ?? record.filename ?? record.result_filename ?? record.file_name),
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url: text(record.file_url ?? record.fileUrl ?? record.url ?? record.display_url),
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status: normalizeTaskStatus(record.status ?? record.file_status ?? record.task_status),
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}
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const taskId = toTaskId(record.task_id ?? record.taskId)
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if (taskId) descriptor.taskId = taskId
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const size = positiveNumber(record.file_size ?? record.fileSize)
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if (size !== undefined) descriptor.size = size
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const rowCount = positiveNumber(record.row_count ?? record.rows ?? record.rowCount)
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if (rowCount !== undefined) descriptor.rowCount = rowCount
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const error = text(record.error ?? record.error_message ?? record.result_error)
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if (error) descriptor.error = error
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return descriptor
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}
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