190 lines
8.0 KiB
JavaScript
190 lines
8.0 KiB
JavaScript
import fs from 'fs';
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import path from 'path';
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import { fileURLToPath } from 'url';
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import { buildItemLinks } from './links.mjs';
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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const ROOT = path.join(__dirname, '..');
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const REPORT_DIR = path.join(ROOT, 'reports');
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export function priceNumber(value) {
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const m = String(value || '').replace(/,/g, '').match(/\d+(?:\.\d+)?/);
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return m ? Number(m[0]) : null;
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}
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function normalize(value = '') {
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return String(value || '').toLowerCase().replace(/\s+/g, '');
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}
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function queryTokens(task) {
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const text = (task.config?.queries || []).join(' ').toLowerCase();
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const tokens = text
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.split(/[^a-z0-9\u4e00-\u9fa5]+/i)
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.map(t => t.trim())
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.filter(t => t.length >= 2);
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return [...new Set(tokens)];
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}
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export function analyzeItem(item, task) {
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const text = normalize(`${item.title || ''} ${item.description || ''}`);
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const title = normalize(item.title || '');
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const flags = [];
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const positives = [];
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let score = 60;
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const badRules = [
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['维修', '疑似维修/故障'], ['求购', '疑似求购'], ['租', '疑似租赁'], ['回收', '疑似回收'],
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['展示', '疑似展示/仅展示'], ['配件', '疑似配件'], ['散热器', '疑似散热器/配件'],
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['主板', '可能是主板/套装'], ['整机', '可能是整机非单件'], ['套装', '可能是套装'],
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['坏', '疑似故障'], ['不亮', '疑似无法点亮'], ['暗病', '疑似暗病'], ['不能进系统', '无法进系统/疑似故障'], ['不能进系統', '无法进系统/疑似故障'],
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];
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for (const [word, label] of badRules) {
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if (text.includes(word)) flags.push(label);
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}
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const wantsE31245v3 = /e3\s*-?\s*1245\s*[_-]?\s*v3/i.test((task.config?.queries || []).join(' '));
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if (wantsE31245v3) {
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const exactTarget = /e3\s*-?\s*1245\s*[_-]?\s*v3/i;
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const otherE3v3 = /e3\s*-?\s*(12\d{2})\s*[_-]?\s*v3/ig;
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const titleRaw = String(item.title || '');
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const textRaw = `${item.title || ''} ${item.description || ''}`;
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const models = [...textRaw.matchAll(otherE3v3)].map(m => m[1]);
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const titleModels = [...titleRaw.matchAll(otherE3v3)].map(m => m[1]);
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if (!exactTarget.test(textRaw)) {
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score -= 35;
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flags.push('未明确命中 E3-1245v3');
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}
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const wrongTitleModels = titleModels.filter(m => m !== '1245');
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if (wrongTitleModels.length) {
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score -= 35;
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flags.push(`标题主型号疑似非1245v3：E3-${[...new Set(wrongTitleModels)].join('/')}v3`);
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} else if (models.some(m => m !== '1245') && !exactTarget.test(titleRaw)) {
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score -= 18;
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flags.push('详情/关联词含其他 E3 v3 型号，需核对主型号');
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}
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}
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const tokens = queryTokens(task);
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const matched = tokens.filter(t => title.includes(normalize(t)) || text.includes(normalize(t)));
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const importantTokens = tokens.filter(t => /[a-z]*\d/.test(t) || /v\d/i.test(t));
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const missingImportant = importantTokens.filter(t => !text.includes(normalize(t)));
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if (matched.length > 0) {
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score += Math.min(15, matched.length * 4);
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positives.push(`命中关键词：${matched.slice(0, 4).join('/')}`);
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}
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if (missingImportant.length >= Math.max(1, Math.ceil(importantTokens.length / 2))) {
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score -= 20;
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flags.push(`关键型号不完整：缺 ${missingImportant.slice(0, 4).join('/')}`);
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}
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const price = priceNumber(item.detailPrice || item.price);
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const min = task.config?.priceMin;
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const max = task.config?.priceMax;
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if (price != null) {
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if (max != null && price > max) { score -= 25; flags.push(`超预算：${price} > ${max}`); }
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else if (max != null && price <= max) { score += 8; positives.push(`价格在预算内：${price}`); }
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if (min != null && price < min) { score -= 8; flags.push(`价格偏低需防异常：${price} < ${min}`); }
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} else {
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score -= 5;
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flags.push('价格未识别');
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}
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if (item.description && String(item.description).trim().length >= 30) {
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score += 8;
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positives.push('描述较完整');
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} else {
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score -= 8;
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flags.push('详情描述偏少');
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}
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if (item.images?.length) {
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score += Math.min(6, item.images.length * 2);
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positives.push(`图片${item.images.length}张`);
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}
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if (item.sellerRating) positives.push(item.sellerRating);
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if (item.wantCount && /\d/.test(item.wantCount)) flags.push(`热度：${item.wantCount}`);
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if (item.localFineReason) positives.push(`本地细筛：${item.localFineReason}`);
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score -= Math.min(40, [...new Set(flags)].filter(f => /疑似|可能|超预算|故障|缺/.test(f)).length * 10);
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score = Math.max(0, Math.min(100, score));
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let verdict = 'caution';
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if (score >= 75 && !flags.some(f => /疑似|可能|超预算|故障|关键型号/.test(f))) verdict = 'recommend';
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if (score < 45 || flags.some(f => /求购|维修|故障|超预算|关键型号/.test(f))) verdict = 'reject';
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const reason = verdict === 'recommend'
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? `匹配度较高，${positives.slice(0, 3).join('；') || '暂无明显风险'}`
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: verdict === 'caution'
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? `需要人工核对：${[...new Set(flags)].slice(0, 3).join('；') || '信息不足'}`
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: `暂不推荐：${[...new Set(flags)].slice(0, 3).join('；') || '综合分偏低'}`;
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return {
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score,
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verdict,
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reason,
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flags: [...new Set(flags)].slice(0, 8),
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positives: [...new Set(positives)].slice(0, 8),
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analyzedAt: Date.now(),
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};
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}
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export function buildAnalysis(task, { limit = 50 } = {}) {
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const candidates = task.products?.fineFiltered || [];
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const analyzed = candidates.map(item => ({ ...item, hermesAnalysis: analyzeItem(item, task) }));
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const sorted = [...analyzed].sort((a, b) => (b.hermesAnalysis?.score || 0) - (a.hermesAnalysis?.score || 0));
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const recommended = sorted.filter(i => i.hermesAnalysis.verdict === 'recommend');
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const caution = sorted.filter(i => i.hermesAnalysis.verdict === 'caution');
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const rejected = sorted.filter(i => i.hermesAnalysis.verdict === 'reject');
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const summary = {
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taskId: task.id,
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taskName: task.name,
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analyzedAt: Date.now(),
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total: candidates.length,
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recommendedCount: recommended.length,
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cautionCount: caution.length,
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rejectedCount: rejected.length,
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hasGoodResults: recommended.length > 0,
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topItems: sorted.slice(0, limit).map(item => ({
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id: item.id,
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title: item.title,
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price: item.detailPrice || item.price || '',
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location: item.sellerLocation || '',
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href: buildItemLinks(item).primaryUrl || item.href || item.url || '',
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score: item.hermesAnalysis.score,
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verdict: item.hermesAnalysis.verdict,
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reason: item.hermesAnalysis.reason,
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flags: item.hermesAnalysis.flags,
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})),
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};
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return { items: analyzed, summary };
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}
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export function renderAnalysisMarkdown(task, summary) {
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const verdictLabel = { recommend: '推荐', caution: '谨慎', reject: '排除' };
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const lines = [];
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lines.push(`# ${task.name || task.id} — Hermes 分析结果`);
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lines.push('');
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lines.push(`- 任务ID：\`${task.id}\``);
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lines.push(`- 分析时间：${new Date(summary.analyzedAt).toLocaleString('zh-CN', { hour12: false })}`);
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lines.push(`- 候选数量：${summary.total}`);
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lines.push(`- 推荐/谨慎/排除：${summary.recommendedCount}/${summary.cautionCount}/${summary.rejectedCount}`);
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lines.push('');
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const show = summary.topItems.filter(i => i.verdict !== 'reject').slice(0, 20);
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if (!show.length) {
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lines.push('暂无合适候选。');
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} else {
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for (const item of show) {
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lines.push(`## ${item.score}分｜${verdictLabel[item.verdict] || item.verdict}｜${item.title || '(无标题)'}`);
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lines.push(`- 价格：${item.price || '-'}`);
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lines.push(`- 地区：${item.location || '-'}`);
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if (item.href) lines.push(`- 链接：${item.href}`);
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lines.push(`- 判断：${item.reason}`);
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if (item.flags?.length) lines.push(`- 风险：${item.flags.join('；')}`);
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lines.push('');
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}
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}
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fs.mkdirSync(REPORT_DIR, { recursive: true });
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const out = path.join(REPORT_DIR, `${task.id}-analysis.md`);
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fs.writeFileSync(out, lines.join('\n'), 'utf-8');
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return { markdown: lines.join('\n'), path: out };
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}
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