fix(微信订阅): 字段名按微信真实模板校准,不再靠猜编号;phrase 只截断不补齐
This commit is contained in:
@@ -27,13 +27,15 @@ export default defineEventHandler(async (event) => {
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const query = getQuery(event)
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const doSend = query.send === '1' || query.send === 'true'
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const force = query.force === '1' || query.force === 'true'
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const forceRemote = query.remote === '1' || query.remote === 'true'
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const requestedId = query.userId != null ? Number(query.userId) : NaN
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const targetUserId =
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Number.isFinite(requestedId) && requestedId > 0 ? requestedId : Number(user.id)
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// 只读体检:不发消息、不消耗额度。所有导出函数都不抛异常,失败信息都在返回值里
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const inspection = await inspectWechatSubscribe(targetUserId, {
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username: targetUserId === Number(user.id) ? user.username : null
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username: targetUserId === Number(user.id) ? user.username : null,
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forceRemote
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})
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const result: Record<string, unknown> = {
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@@ -60,7 +62,7 @@ export default defineEventHandler(async (event) => {
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reason: '测试驳回原因',
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message: '这是一条测试通知'
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},
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{ force, source: 'diagnose' }
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{ force, forceRemote, source: 'diagnose' }
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)
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attempts.push({
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kind,
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@@ -67,14 +67,24 @@ export {
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TEMPLATES_ENV_KEY,
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type TemplateConf
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} from '~~/server/utils/wechatSubscribeTemplates'
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import {
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parseTemplateContent,
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resolveFieldsFromKeywords,
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type ResolveTemplateFieldsResult,
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type TemplateKeyword
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} from '~~/server/utils/wechatSubscribeRemote'
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const PROVIDER = 'wechat-mp'
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const TOKEN_URL = 'https://api.weixin.qq.com/cgi-bin/token'
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const SEND_URL = 'https://api.weixin.qq.com/cgi-bin/message/subscribe/send'
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/** 获取账号下已有的订阅消息模板(含**真实的关键词名**,用来校准我们的字段映射) */
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const TEMPLATE_LIST_URL = 'https://api.weixin.qq.com/wxaapi/newtmpl/gettemplate'
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/** 订阅消息落地的小程序页面(用户点开通知卡片跳到哪) */
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const NOTIFY_PAGE = 'pages/home/home'
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/** 提前 5 分钟作废 token,避免卡在边界上 */
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const TOKEN_SAFETY_MS = 5 * 60 * 1000
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/** 模板列表缓存 10 分钟:模板偶尔会变,但不能每次发送都去问微信 */
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const TEMPLATE_CACHE_MS = 10 * 60 * 1000
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// ---------------- 模板配置 ----------------
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@@ -215,6 +225,167 @@ export async function getMiniAccessToken(force = false): Promise<string | null>
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}
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}
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// ---------------- 用微信真实模板校准字段名 ----------------
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export type RemoteTemplateInfo = {
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id: string
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title: string
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content: string
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type: number | null
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keywords: TemplateKeyword[]
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}
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const remoteTemplateCache = new Map<
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string,
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{ at: number; info: RemoteTemplateInfo | null; error: string | null }
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>()
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/** 每个模板只唠叨一次「字段名被校准过」,避免日志刷屏 */
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const remoteNoticeOnce = new Set<string>()
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/**
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* 拿账号下已有的模板列表(**带真实关键词名**),按模板 ID 找出来。
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*
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* 这是唯一能知道「微信给这个模板的关键词编成了 thing1 还是 thing2」的途径 ——
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* 后台创建模板时编号是微信自动打的,靠猜必然出错,错了就是整条 47003。
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*
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* 失败一律返回 `null` 并**不影响发送**(调用方会退回配置里的字段名)。
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*/
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export async function getRemoteTemplate(
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templateId: string,
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opts: { force?: boolean } = {}
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): Promise<{ info: RemoteTemplateInfo | null; error: string | null }> {
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if (!templateId) return { info: null, error: 'no-template-id' }
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const cached = remoteTemplateCache.get(templateId)
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if (!opts.force && cached && Date.now() - cached.at < TEMPLATE_CACHE_MS) {
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return { info: cached.info, error: cached.error }
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}
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const token = await getMiniAccessToken(opts.force)
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if (!token) return { info: null, error: 'no-access-token' }
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let error: string | null = null
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try {
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let res: any = await $fetch(TEMPLATE_LIST_URL, {
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query: { access_token: token },
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timeout: 8000,
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responseType: 'json'
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})
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if (typeof res === 'string') {
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try {
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res = JSON.parse(res)
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} catch {
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res = null
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}
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}
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if (!res || (res.errcode !== undefined && res.errcode !== 0)) {
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error = `获取模板列表失败:errcode=${res?.errcode} errmsg=${res?.errmsg}`
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console.error(`[WeChatSubscribe] ${error}`)
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remoteTemplateCache.set(templateId, { at: Date.now(), info: null, error })
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return { info: null, error }
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}
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const list: any[] = Array.isArray(res.data) ? res.data : []
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const hit = list.find((t) => String(t?.priTmplId) === String(templateId))
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if (!hit) {
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error =
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'这个模板 ID 不在账号的模板列表里(可能已删除,或属于另一个小程序)—— ' +
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`账号下现有 ${list.length} 个模板:${list.map((t) => `${t?.title}(${t?.priTmplId})`).join('、') || '无'}`
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console.error(`[WeChatSubscribe] ${error}`)
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remoteTemplateCache.set(templateId, { at: Date.now(), info: null, error })
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return { info: null, error }
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}
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const info: RemoteTemplateInfo = {
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id: String(hit.priTmplId),
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title: String(hit.title || ''),
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content: String(hit.content || ''),
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type: typeof hit.type === 'number' ? hit.type : null,
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keywords: parseTemplateContent(String(hit.content || ''))
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}
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remoteTemplateCache.set(templateId, { at: Date.now(), info, error: null })
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return { info, error: null }
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} catch (err: any) {
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error = `获取模板列表异常:${err?.message}`
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console.error(`[WeChatSubscribe] ${error}`)
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remoteTemplateCache.set(templateId, { at: Date.now(), info: null, error })
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return { info: null, error }
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}
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}
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export type ResolvedTemplate = {
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/** 真正用来发消息的模板配置(字段名可能已被微信侧校准过) */
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conf: TemplateConf
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/** 校准过程与结论;null = 没走到联网校准(没模板 ID) */
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resolution:
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| (ResolveTemplateFieldsResult & {
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remoteError: string | null
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remoteTitle: string | null
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remoteContent: string | null
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remoteKeywords: TemplateKeyword[]
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})
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| null
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}
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/**
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* 把配置里的模板「校准」成微信侧真实的样子。
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*
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* 优先级:微信模板列表里反解出的真实关键词名 > 配置里的字段名。
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* 拿不到模板列表时**原样返回配置**(绝不因为校准失败而让通知停摆)。
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*/
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export async function resolveTemplate(
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conf: TemplateConf,
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opts: { forceRemote?: boolean } = {}
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): Promise<ResolvedTemplate> {
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if (!conf || !conf.id) {
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return {
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conf,
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resolution: null
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}
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}
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const { info, error } = await getRemoteTemplate(conf.id, { force: opts.forceRemote })
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if (!info) {
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return {
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conf,
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resolution: {
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fields: conf.fields || {},
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source: 'config',
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reason: `拿不到微信模板列表(${error || '未知原因'}),沿用配置里的字段名`,
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unresolvedVariables: [],
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invalidConfiguredCodes: [],
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remoteError: error,
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remoteTitle: null,
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remoteContent: null,
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remoteKeywords: []
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}
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}
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}
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const resolved = resolveFieldsFromKeywords(info.keywords, conf.fields)
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const effective: TemplateConf =
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resolved.source === 'wechat-api' ? { ...conf, fields: resolved.fields } : conf
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if (resolved.source === 'wechat-api') {
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const before = JSON.stringify(conf.fields || {})
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const after = JSON.stringify(resolved.fields)
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if (before !== after && !remoteNoticeOnce.has(conf.id)) {
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remoteNoticeOnce.add(conf.id)
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console.warn(
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`[WeChatSubscribe] 模板「${info.title || conf.title || conf.id}」的字段名已按微信真实模板校准:` +
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`${before} → ${after}(配置里的编号是猜的,微信自动分配的编号以这里为准)`
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)
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}
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}
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return {
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conf: effective,
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resolution: {
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...resolved,
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remoteError: null,
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remoteTitle: info.title || null,
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remoteContent: info.content || null,
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remoteKeywords: info.keywords
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}
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}
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}
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// ---------------- 用户侧查询 ----------------
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/** 取用户的小程序 openid(没绑微信就是 null) */
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@@ -444,6 +615,8 @@ export type SendOutcome = {
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emptyFields?: Array<{ field: string; variable: string }>
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/** 本次真的调用微信了吗(empty-field / dryRun 等预检不通过时为 false,不消耗额度) */
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attempted: boolean
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/** 本次的字段名来自哪里:`config`=配置里写的,`wechat-api`=按微信真实模板校准出来的 */
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fieldsResolved?: 'config' | 'wechat-api'
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}
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type SendOptions = {
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@@ -453,6 +626,8 @@ type SendOptions = {
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dryRun?: boolean
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/** 日志前缀里的来源标记(例如 'test-subscribe' / 'diagnose') */
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source?: string
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/** 强制刷新微信侧模板列表缓存(改了模板后自测用) */
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forceRemote?: boolean
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}
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function logOutcome(o: SendOutcome, source?: string) {
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@@ -479,6 +654,8 @@ export async function sendWechatSubscribe(
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vars: Record<string, unknown>,
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opts: SendOptions = {}
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): Promise<SendOutcome> {
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/** 本次到底是用配置里的字段名,还是用微信真实模板校准出来的(进日志/返回值,方便排查) */
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let fieldsFromWechat = false
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const base = (
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partial: Partial<SendOutcome> & { stage: SendStage; reason: string; detail: string }
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): SendOutcome => {
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@@ -487,6 +664,7 @@ export async function sendWechatSubscribe(
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kind,
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userId,
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attempted: false,
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fieldsResolved: fieldsFromWechat ? 'wechat-api' : 'config',
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...partial
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}
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logOutcome(outcome, opts.source)
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@@ -494,8 +672,8 @@ export async function sendWechatSubscribe(
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}
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try {
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const conf = getSubscribeTemplates()[kind]
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if (!conf || !conf.id) {
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const configured = getSubscribeTemplates()[kind]
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if (!configured || !configured.id) {
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return base({
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stage: 'no-template',
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reason: 'no-template',
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@@ -503,6 +681,13 @@ export async function sendWechatSubscribe(
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})
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}
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// 用微信真实模板校准字段名(后台给关键词自动编号,猜的编号会整条 47003)。
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// 校准失败不影响发送:resolveTemplate 会原样退回配置。
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const { conf, resolution } = await resolveTemplate(configured, {
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forceRemote: opts.forceRemote
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})
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fieldsFromWechat = resolution?.source === 'wechat-api'
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const notif = await getNotificationEnabled(userId)
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if (!notif.enabled) {
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return base({
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@@ -562,7 +747,8 @@ export async function sendWechatSubscribe(
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detail:
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`dryRun:没有真的发送(预检通过、字段都有值;本地记账显示大约还剩 ${remaining} 条,` +
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'但这个数字仅供参考,真正有没有额度要看微信回的 errcode)',
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attempted: false
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attempted: false,
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fieldsResolved: fieldsFromWechat ? 'wechat-api' : 'config'
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}
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console.log(
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`[WeChatSubscribe]${opts.source ? `[${opts.source}]` : ''} ${kind} → user ${userId} dry-run 通过,预览 data=${JSON.stringify(data)}`
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@@ -596,7 +782,8 @@ export async function sendWechatSubscribe(
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detail: '微信已受理,消息会出现在用户的「服务通知」里',
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errcode: 0,
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errmsg: raw?.errmsg ?? null,
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attempted: true
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attempted: true,
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fieldsResolved: fieldsFromWechat ? 'wechat-api' : 'config'
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}
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logOutcome(outcome, opts.source)
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return outcome
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@@ -619,8 +806,24 @@ export async function sendWechatSubscribe(
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} else if (errcode === 47003) {
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stage = 'rejected-bad-field'
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reason = 'bad-field'
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/*
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* 47003 是最难查的一个:微信只点名一个字段,但真正不合规的可能在别处。
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* 我们能提供的确定性信息有两个 —— 这次用的是配置里的字段名还是微信真实模板
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* 校准过的,以及校准结论。都写进 detail,省得下次还要猜。
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*/
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const hint = resolution
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? resolution.source === 'wechat-api'
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? `本次字段名是【按微信真实模板校准】的(${resolution.reason}),所以问题更可能在字段值本身:`
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: `本次字段名是【沿用配置】的(${resolution.reason}),很可能是配置里的编号和微信模板不一致:`
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: '本次字段名是【沿用配置】的:'
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detail =
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'微信回 47003:模板字段名或字段值不合规。去公众平台核对模板字段名是否和 fields 映射一致(也可能是某个字段超长/为空)'
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`微信回 47003:模板字段名或字段值不合规。${hint}` +
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'用 /api/admin/wechat/diagnose 可以看到微信侧的真实关键词名。' +
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(resolution?.remoteKeywords?.length
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? ` 微信侧关键词:${resolution.remoteKeywords
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.map((k) => `${k.code}${k.label ? `(${k.label})` : ''}`)
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.join('、')}`
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: '')
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}
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const outcome: SendOutcome = {
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ok: false,
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@@ -632,7 +835,8 @@ export async function sendWechatSubscribe(
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detail,
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errcode,
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errmsg: raw?.errmsg ?? null,
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attempted: true
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attempted: true,
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fieldsResolved: fieldsFromWechat ? 'wechat-api' : 'config'
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}
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logOutcome(outcome, opts.source)
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return outcome
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@@ -759,8 +963,24 @@ export type TemplateStatus = {
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kind: string
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title: string
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templateId: string
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/** 字段名 → 变量名 */
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/** 实际用来发消息的字段名 → 变量名(可能已按微信真实模板校准过) */
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fields: Record<string, string>
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/** 配置里(代码/环境变量)写的字段名,用来和微信侧对比 */
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configuredFields: Record<string, string>
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/** `config`=用的是配置里的字段名;`wechat-api`=已按微信真实模板校准 */
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fieldSource: 'config' | 'wechat-api'
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/** 这次字段名是怎么定的(人话) */
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fieldReason: string
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/** 配置里有、但微信模板里根本没有的关键词名(有值就一定会 47003) */
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invalidConfiguredCodes: string[]
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/** 微信侧真实的关键词表(拿不到时为 null) */
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remoteKeywords: Array<{ code: string; type: string; label: string }> | null
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/** 微信侧的模板原文(能看到真实的关键词与顺序) */
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remoteContent: string | null
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/** 微信侧的模板标题(和本地配置的标题不一致时,说明配置指向了别的模板) */
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remoteTitle: string | null
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/** 拿微信模板列表失败的原因(null = 成功) */
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remoteError: string | null
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/** 这些字段映射到的变量,调用方有没有给(给了模板里也没用时是另一回事) */
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fieldsWithSample: Array<{ field: string; variable: string; sampleValue: string }>
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/** 本地记账:用户点过几次授权、成功发过几条、被拒过几次 */
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@@ -832,7 +1052,7 @@ export function sampleDataFor(conf: TemplateConf): Record<string, { value: strin
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*/
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export async function inspectWechatSubscribe(
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userId: number,
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opts: { username?: string | null } = {}
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opts: { username?: string | null; forceRemote?: boolean } = {}
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): Promise<SubscribeInspection> {
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const report = getTemplatesReport()
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const templates = report.templates
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@@ -847,17 +1067,22 @@ export async function inspectWechatSubscribe(
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kinds.map((k) => templates[k].id)
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)
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const templateStatuses: TemplateStatus[] = kinds.map((kind) => {
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const conf = templates[kind]
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const templateStatuses: TemplateStatus[] = []
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for (const kind of kinds) {
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const configured = templates[kind]
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const { conf, resolution } = await resolveTemplate(configured, {
|
||||
forceRemote: opts.forceRemote
|
||||
})
|
||||
const grant = grantMap.get(conf.id)
|
||||
const grantedCount = grant?.grantedCount ?? 0
|
||||
const sentCount = grant?.sentCount ?? 0
|
||||
const blockedCount = grant?.blockedCount ?? 0
|
||||
const remainingApprox = Math.max(0, grantedCount - sentCount)
|
||||
const sampleData = sampleDataFor(conf)
|
||||
const fieldsWithSample = Object.keys(conf.fields || {}).map((field) => ({
|
||||
field,
|
||||
variable: conf.fields[field],
|
||||
sampleValue: String(sampleDataFor(conf)[field]?.value ?? '')
|
||||
sampleValue: String(sampleData[field]?.value ?? '')
|
||||
}))
|
||||
|
||||
let verdict: string
|
||||
@@ -875,11 +1100,25 @@ export async function inspectWechatSubscribe(
|
||||
else
|
||||
verdict = `本地记账显示还有约 ${remainingApprox} 条额度(我们自己的计数,不是微信侧的余额)`
|
||||
|
||||
return {
|
||||
templateStatuses.push({
|
||||
kind,
|
||||
title: conf.title || kind,
|
||||
templateId: conf.id,
|
||||
fields: conf.fields || {},
|
||||
configuredFields: configured.fields || {},
|
||||
fieldSource: resolution?.source === 'wechat-api' ? 'wechat-api' : 'config',
|
||||
fieldReason: resolution?.reason || '没有模板 ID,无法校准',
|
||||
invalidConfiguredCodes: resolution?.invalidConfiguredCodes || [],
|
||||
remoteKeywords: resolution?.remoteKeywords?.length
|
||||
? resolution.remoteKeywords.map((k) => ({
|
||||
code: k.code,
|
||||
type: k.type,
|
||||
label: k.label
|
||||
}))
|
||||
: null,
|
||||
remoteContent: resolution?.remoteContent ?? null,
|
||||
remoteTitle: resolution?.remoteTitle ?? null,
|
||||
remoteError: resolution?.remoteError ?? null,
|
||||
fieldsWithSample,
|
||||
grantedCount,
|
||||
sentCount,
|
||||
@@ -891,8 +1130,8 @@ export async function inspectWechatSubscribe(
|
||||
lastErrorCode: grant?.lastErrorCode ?? null,
|
||||
lastErrorMessage: grant?.lastErrorMessage ?? null,
|
||||
verdict
|
||||
}
|
||||
})
|
||||
})
|
||||
}
|
||||
|
||||
const actions: string[] = []
|
||||
if (!report.envJsonValid) {
|
||||
@@ -927,9 +1166,28 @@ export async function inspectWechatSubscribe(
|
||||
)
|
||||
}
|
||||
templateStatuses.forEach((t) => {
|
||||
// 字段名是 47003 的头号嫌疑,体检里把它放在前面说清楚
|
||||
if (t.remoteError) {
|
||||
actions.push(
|
||||
`模板「${t.title}」拿不到微信侧的关键词列表(${t.remoteError}),本次只能沿用配置里的字段名` +
|
||||
(t.invalidConfiguredCodes.length
|
||||
? `;而配置里的 ${t.invalidConfiguredCodes.join('、')} 在微信模板里查不到,很可能就是 47003 的原因`
|
||||
: '')
|
||||
)
|
||||
} else if (t.fieldSource === 'wechat-api' && t.invalidConfiguredCodes.length) {
|
||||
actions.push(
|
||||
`模板「${t.title}」配置里的字段名 ${t.invalidConfiguredCodes.join('、')} 在微信模板里不存在;` +
|
||||
`服务端已自动改用微信真实的关键词(${Object.entries(t.fields)
|
||||
.map(([code, v]) => `${code}=${v}`)
|
||||
.join(',')})。建议把这些编号写回 BUILTIN_TEMPLATES 或环境变量,省掉每次的校准请求`
|
||||
)
|
||||
}
|
||||
if (t.lastErrorCode === 47003) {
|
||||
actions.push(
|
||||
`模板「${t.title}」上次被微信以 47003 拒绝:核对公众平台的字段名是否与 fields 映射一致`
|
||||
`模板「${t.title}」上次被微信以 47003 拒绝:` +
|
||||
(t.fieldSource === 'wechat-api'
|
||||
? '字段名已按微信真实模板校准,问题更可能在**字段值**(为空/超长/类型不符)'
|
||||
: '字段名还是配置里写的,看上面 remoteKeywords 与配置的差异')
|
||||
)
|
||||
}
|
||||
if (t.lastErrorCode === 43101) {
|
||||
|
||||
@@ -7,8 +7,7 @@
|
||||
*
|
||||
* 各类型限制(公众平台模板字段名后缀就是类型):
|
||||
* thing 20 字
|
||||
* phrase 5 个以内纯汉字(官方文档的写法;社区反馈**恰好 5 个汉字**在部分模板上会报
|
||||
* `47003 data.phraseN.value invalid`,实测 4 个汉字正常)
|
||||
* phrase 5 个以内纯汉字(**只截断不补齐**:补齐会塞进非汉字字符,更容易 47003)
|
||||
* time 必须是 'YYYY-MM-DD HH:mm'
|
||||
* date 必须是 'YYYY-MM-DD'
|
||||
* character_string 32 字(只能数字、字母)
|
||||
@@ -50,16 +49,13 @@ export function clampField(key: string, value: unknown): string {
|
||||
}
|
||||
if (type === 'phrase') {
|
||||
/*
|
||||
* phrase = 5 个以内纯汉字。官方文档是「5个以内」,但社区反馈**恰好 5 个汉字**在部分模板上
|
||||
* 会被判 47003 invalid(4 个正常,见 wxopen.club/topic/61daa41e947eea50368f28ec),所以
|
||||
* 按最保守的写法统一补到 5 个字:短了补全角空格,长到 5 个字保持原样,超了截断。
|
||||
* “已排期”只有 3 个字 —— 真发出去不是被拒就是显示得莫名其妙,这里补齐后不会超长。
|
||||
* phrase = 5 个以内纯汉字。**只截断、不补齐**。
|
||||
*
|
||||
* 早先的版本为了绕开「社区反馈恰好 5 个汉字会报 47003」,把短词用全角空格补到 5 个字 ——
|
||||
* 结果补进去的 U+3000 不是汉字,反而更容易被判「不是纯汉字」。现在按官方文档字面执行:
|
||||
* 汉字数 ≤ 5 就原样发(「已排期」3 个字完全合规),超了才截。
|
||||
*/
|
||||
const chars = Array.from(text)
|
||||
if (chars.length >= 5) return chars.slice(0, 5).join('')
|
||||
let padded = text
|
||||
while (Array.from(padded).length < 5) padded += ' '
|
||||
return padded
|
||||
return Array.from(text).slice(0, 5).join('')
|
||||
}
|
||||
const max = FIELD_MAX_LEN[type] || 32
|
||||
return text.slice(0, max)
|
||||
|
||||
@@ -0,0 +1,279 @@
|
||||
/**
|
||||
* 从微信「获取已有模板列表」接口返回的模板内容里,反解出**真实的关键词名**。
|
||||
*
|
||||
* 为什么需要它:后台创建模板时微信会自动给关键词编号(`thing1` / `date2` / `time3` …),
|
||||
* 这个编号**无法靠名字推测**,只能从模板本身读。我们自己猜的字段名一旦和它不一致,
|
||||
* 发送就会整条被拒(`47003 data.xxx.value invalid`),而且报错点名的字段常常不是真凶。
|
||||
*
|
||||
* 本文件是纯函数:不联网、不读环境变量,只负责「把微信给的 content 解析成关键词表,
|
||||
* 再按类型/中文标签把我们的变量名对应到真实的关键词名」,可以单独跑单测。
|
||||
*
|
||||
* 微信 `GET /wxaapi/newtmpl/gettemplate` 返回的 `content` 形如:
|
||||
* `歌曲名称:{{thing1.DATA}}\n播放日期:{{date2.DATA}}\n播放时间:{{time3.DATA}}\n`
|
||||
*/
|
||||
|
||||
/** 关键词的类型前缀(微信文档里叫「关键词类型」) */
|
||||
export type KeywordType =
|
||||
| 'thing'
|
||||
| 'date'
|
||||
| 'time'
|
||||
| 'character_string'
|
||||
| 'phrase'
|
||||
| 'number'
|
||||
| 'amount'
|
||||
| 'name'
|
||||
| 'phone_number'
|
||||
| 'car_number'
|
||||
| 'symbol'
|
||||
| 'letter'
|
||||
| 'digit'
|
||||
| 'unknown'
|
||||
|
||||
export type TemplateKeyword = {
|
||||
/** 完整的关键词名,例如 thing1 / date2 */
|
||||
code: string
|
||||
/** 去掉尾部数字的类型,例如 thing */
|
||||
type: KeywordType
|
||||
/** 在模板里的顺序(从 0 开始) */
|
||||
index: number
|
||||
/** 模板里显示的中文标签,例如「歌曲名称」(可能为空串) */
|
||||
label: string
|
||||
}
|
||||
|
||||
/**
|
||||
* 每个变量「可能/应该」落在哪种关键词类型上。
|
||||
*
|
||||
* 第一个是**首选类型**(用来在同类关键词里挑),后面的都算可用。
|
||||
* 只列我们真的会用的变量名,其它变量走兜底(不做自动映射)。
|
||||
*/
|
||||
const VARIABLE_TYPES: Record<string, KeywordType[]> = {
|
||||
songTitle: ['thing', 'name', 'character_string'],
|
||||
playDate: ['date', 'thing', 'character_string'],
|
||||
playTime: ['time', 'thing', 'character_string'],
|
||||
sequence: ['character_string', 'number', 'thing'],
|
||||
status: ['phrase', 'thing', 'character_string'],
|
||||
reason: ['thing', 'character_string'],
|
||||
message: ['thing', 'character_string'],
|
||||
time: ['time', 'thing', 'character_string']
|
||||
}
|
||||
|
||||
/** 中文标签的同义词(用来在「多个同类型关键词」里认出谁是谁) */
|
||||
const VARIABLE_LABEL_HINTS: Record<string, string[]> = {
|
||||
songTitle: ['歌曲', '歌名', '名称', '标题', '作品', '曲目', '内容', '审核内容'],
|
||||
playDate: ['日期', '哪一天', '播放日'],
|
||||
playTime: ['时间', '时段', '几点', '播放时间'],
|
||||
sequence: ['序号', '顺序', '编号', '排位', '第几'],
|
||||
status: ['状态', '进度', '结果'],
|
||||
reason: ['原因', '理由', '驳回原因', '驳回理由', '说明', '备注', '未通过'],
|
||||
message: ['说明', '提示', '内容', '消息', '备注'],
|
||||
time: ['时间']
|
||||
}
|
||||
|
||||
const KNOWN_TYPES: KeywordType[] = [
|
||||
'thing',
|
||||
'date',
|
||||
'time',
|
||||
'character_string',
|
||||
'phrase',
|
||||
'number',
|
||||
'amount',
|
||||
'name',
|
||||
'phone_number',
|
||||
'car_number',
|
||||
'symbol',
|
||||
'letter',
|
||||
'digit'
|
||||
]
|
||||
|
||||
/** `thing12` → `thing`;认不出的前缀返回 `unknown` */
|
||||
export function keywordTypeOf(code: string): KeywordType {
|
||||
const bare = String(code || '')
|
||||
.replace(/\d+$/, '')
|
||||
.toLowerCase()
|
||||
return (KNOWN_TYPES as string[]).includes(bare) ? (bare as KeywordType) : 'unknown'
|
||||
}
|
||||
|
||||
/**
|
||||
* 从模板 content 里解析出关键词表(保持出现顺序)。
|
||||
*
|
||||
* 微信的占位符统一是 `{{关键词.DATA}}`,前面通常会跟一段中文标签,例如
|
||||
* `歌曲名称:{{thing1.DATA}}`。标签截到上一个占位符结束或行首为止。
|
||||
*/
|
||||
export function parseTemplateContent(content: string): TemplateKeyword[] {
|
||||
const text = String(content || '')
|
||||
const keywords: TemplateKeyword[] = []
|
||||
const pattern = /\{\{\s*([A-Za-z_]+)(\d+)\s*\.\s*DATA\s*\}\}/g
|
||||
let match: RegExpExecArray | null
|
||||
let cursor = 0
|
||||
while ((match = pattern.exec(text)) !== null) {
|
||||
const code = `${match[1].toLowerCase()}${match[2]}`
|
||||
const between = text.slice(cursor, match.index)
|
||||
keywords.push({
|
||||
code,
|
||||
type: keywordTypeOf(code),
|
||||
index: keywords.length,
|
||||
label: cleanLabel(between)
|
||||
})
|
||||
cursor = match.index + match[0].length
|
||||
}
|
||||
return keywords
|
||||
}
|
||||
|
||||
/** 把占位符前面那段文字收拾成「干净的中文标签」 */
|
||||
function cleanLabel(raw: string): string {
|
||||
// 只取最后一个换行之后的部分,去掉首尾空白、冒号、冒号后面的空白、以及示例值
|
||||
const tail = String(raw || '')
|
||||
.split(/\r?\n/)
|
||||
.pop()!
|
||||
.replace(/[::]\s*$/, '')
|
||||
.replace(/[::]\s*[^::]*$/, '')
|
||||
.trim()
|
||||
// 去掉可能残留的示例值(中文标签通常是 2-8 个字,太长就只留前半段)
|
||||
return tail.slice(0, 24)
|
||||
}
|
||||
|
||||
/** 标签是否命中这个变量的同义词(只做包含判断,简单可靠) */
|
||||
function labelHits(label: string, variable: string): boolean {
|
||||
const hints = VARIABLE_LABEL_HINTS[variable]
|
||||
if (!hints || !label) return false
|
||||
return hints.some((h) => label.includes(h))
|
||||
}
|
||||
|
||||
export type ResolveTemplateFieldsResult = {
|
||||
/**
|
||||
* 最终用的字段映射(关键词名 → 变量名)。
|
||||
* `source` 为 `config` 时就是传进来的配置原样返回。
|
||||
*/
|
||||
fields: Record<string, string>
|
||||
/** `wechat-api` = 按微信真实模板反解出来的;`config` = 沿用配置(没联网/反解不完整/没把握) */
|
||||
source: 'config' | 'wechat-api'
|
||||
/** 人话说明这次是怎么决定的(直接写进日志和体检结果) */
|
||||
reason: string
|
||||
/** 反解失败的变量(source=config 时有意义) */
|
||||
unresolvedVariables: string[]
|
||||
/** 配置里有、但微信模板里根本不存在的关键词名(这些字段微信会直接 47003) */
|
||||
invalidConfiguredCodes: string[]
|
||||
}
|
||||
|
||||
/**
|
||||
* 把配置里的字段映射,按微信真实模板「校准」一遍。
|
||||
*
|
||||
* 只有在**所有变量都能唯一认领一个关键词**时才采用微信侧的映射(source=wechat-api),
|
||||
* 否则原样返回配置 —— 宁可保持现状,也不要因为一次猜测把本来能发的模板改坏。
|
||||
*
|
||||
* @param keywords 微信模板里真实的关键词表(`parseTemplateContent` 的结果)
|
||||
* @param configured 配置里的字段映射(关键词名 → 变量名)
|
||||
*/
|
||||
export function resolveFieldsFromKeywords(
|
||||
keywords: TemplateKeyword[],
|
||||
configured: Record<string, string> | undefined
|
||||
): ResolveTemplateFieldsResult {
|
||||
const config = configured && typeof configured === 'object' ? configured : {}
|
||||
const configuredCodes = Object.keys(config)
|
||||
const invalidConfiguredCodes = configuredCodes.filter(
|
||||
(code) => !keywords.some((k) => k.code === code)
|
||||
)
|
||||
|
||||
const configResult = (reason: string, extra: Partial<ResolveTemplateFieldsResult> = {}) => ({
|
||||
fields: config,
|
||||
source: 'config' as const,
|
||||
reason,
|
||||
unresolvedVariables: [] as string[],
|
||||
invalidConfiguredCodes,
|
||||
...extra
|
||||
})
|
||||
|
||||
if (!keywords.length) {
|
||||
return configResult('微信模板内容里没解析出任何关键词,无法校准,沿用配置')
|
||||
}
|
||||
|
||||
// 我们要落到模板上的变量 = 配置里出现过的变量名(保持稳定顺序)
|
||||
const variables = Array.from(new Set(Object.values(config))).filter(Boolean)
|
||||
if (!variables.length) {
|
||||
return configResult('配置里没有任何字段映射,无法校准')
|
||||
}
|
||||
const unknownVars = variables.filter((v) => !VARIABLE_TYPES[v])
|
||||
if (unknownVars.length) {
|
||||
return configResult(`有变量的类型未知(${unknownVars.join('、')}),不做自动校准,沿用配置`)
|
||||
}
|
||||
|
||||
const used = new Set<string>()
|
||||
const resolved: Record<string, string> = {}
|
||||
const unresolved: string[] = []
|
||||
|
||||
// 一轮:类型 + 标签双重命中,优先认领把握最大的
|
||||
for (const variable of variables) {
|
||||
const allowed = VARIABLE_TYPES[variable]
|
||||
let best: { code: string; score: number } | null = null
|
||||
for (const kw of keywords) {
|
||||
if (used.has(kw.code)) continue
|
||||
const typeRank = allowed.indexOf(kw.type)
|
||||
if (typeRank < 0) continue
|
||||
// 首选类型 +2,备选类型递减;中文标签命中 +3(目的就是压过纯类型匹配)
|
||||
const score = (allowed.length - typeRank) * 2 + (labelHits(kw.label, variable) ? 3 : 0)
|
||||
if (!best || score > best.score) best = { code: kw.code, score }
|
||||
}
|
||||
if (!best) {
|
||||
unresolved.push(variable)
|
||||
continue
|
||||
}
|
||||
used.add(best.code)
|
||||
resolved[best.code] = variable
|
||||
}
|
||||
|
||||
if (unresolved.length) {
|
||||
return configResult(
|
||||
`有变量在微信模板里找不到对应的关键词(${unresolved.join('、')}),沿用配置`,
|
||||
{ unresolvedVariables: unresolved }
|
||||
)
|
||||
}
|
||||
|
||||
/*
|
||||
* 安全检查:同一类型出现多个关键词时,必须靠中文标签区分开。
|
||||
* 例如驳回模板有两个 thing,如果不看标签只按类型分配,songTitle 和 reason 会互换 ——
|
||||
* 能把消息发出去,但内容张冠李戴,比发不出去更糟。
|
||||
*/
|
||||
const byType = new Map<KeywordType, TemplateKeyword[]>()
|
||||
for (const kw of keywords) {
|
||||
const list = byType.get(kw.type) || []
|
||||
list.push(kw)
|
||||
byType.set(kw.type, list)
|
||||
}
|
||||
for (const [type, list] of byType) {
|
||||
if (list.length < 2) continue
|
||||
const claimants = list
|
||||
.map((kw) => resolved[kw.code])
|
||||
.filter((v): v is string => typeof v === 'string')
|
||||
if (claimants.length < 2) continue
|
||||
// 参与分配的两个以上变量里,只要有一个没靠标签命中,就认为这次分配不可靠
|
||||
const anyWeak = list.some((kw) => {
|
||||
const variable = resolved[kw.code]
|
||||
if (!variable) return false
|
||||
return !labelHits(kw.label, variable)
|
||||
})
|
||||
if (anyWeak) {
|
||||
return configResult(
|
||||
`模板里有 ${list.length} 个 ${type} 类型的关键词(${list
|
||||
.map((k) => k.code)
|
||||
.join('、')}),中文标签不足以区分 ${claimants.join('、')},沿用配置`
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
// 配置里的关键词名只要有一个在微信模板里不存在,就说明配置已经过期,改用校准结果
|
||||
const changed =
|
||||
configuredCodes.some((code) => !(code in resolved)) ||
|
||||
Object.keys(resolved).some((code) => config[code] === undefined)
|
||||
|
||||
return {
|
||||
fields: resolved,
|
||||
source: 'wechat-api',
|
||||
reason: changed
|
||||
? `按微信真实模板校准了字段名:${Object.entries(resolved)
|
||||
.map(([code, variable]) => `${code}=${variable}`)
|
||||
.join(',')}`
|
||||
: '配置与微信真实模板一致',
|
||||
unresolvedVariables: [],
|
||||
invalidConfiguredCodes
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user