IaC / SwiftFlow

Artifact 4071cf65fa97847e7569216a7d5abbfa79f7886af476ed3584f608c9638745e7:

• File web/src/api.ts — part of check-in [dfa747c1ad] at 2026-10-23 06:08:28 on branch trunk — Web 管理控制台

  - 用 Vite 和 React 做完整的 Web 端：登录、按权限显示菜单、切换当前作业仓库 - 覆盖来肯同步、仓库、库位规划、商品、销售订单、采购入库与批次码、采购订单、库存、用户授权和审计日志 - 开发时由 Vite 把 /api 代理到本机后端 - SQLite 写入和页面读取冲突时自动重试，避免请求进程因数据库忙碌直接崩溃 (user: pluto size: 1856)

export const TOKEN_KEY = 'swiftflow.token'

export class ApiError extends Error {
  status: number

  constructor(status: number, message: string) {
    super(message)
    this.status = status
  }
}

export type SessionUser = {
  id: string
  username: string
  display_name: string
  roles: string[]
  permissions: string[]
  all_warehouses: boolean
  warehouse_ids: number[]
  current_warehouse_id: number
  terminal: string
  expires_at: string
}

export type Warehouse = {
  id: number
  code: string
  name: string
  easycode: string
  operational: boolean
}

export function can(user: SessionUser | null, permission: string) {
  return user?.permissions.includes(permission) ?? false
}

export async function api<T>(path: string, init: RequestInit = {}): Promise<T> {
  const headers = new Headers(init.headers)
  if (init.body && !headers.has('content-type')) {
    headers.set('content-type', 'application/json')
  }
  const token = localStorage.getItem(TOKEN_KEY)
  if (token) headers.set('authorization', `Bearer ${token}`)

  const response = await fetch(path, { ...init, headers })
  const text = await response.text()
  let data: { error?: string } = {}
  if (text) {
    try {
      data = JSON.parse(text) as { error?: string }
    } catch {
      data = {}
    }
  }
  if (response.status === 401 && !path.endsWith('/api/auth/login')) {
    localStorage.removeItem(TOKEN_KEY)
    window.dispatchEvent(new Event('swiftflow-unauthorized'))
  }
  if (!response.ok) {
    throw new ApiError(response.status, data.error || `请求失败（${response.status}）`)
  }
  return data as T
}

export function qty(value: number) {
  return value.toLocaleString('zh-CN', { maximumFractionDigits: 4 })
}

export function money(value: number) {
  return value.toLocaleString('zh-CN', {
    minimumFractionDigits: 2,
    maximumFractionDigits: 2,
  })
}