244 lines
7.6 KiB
JavaScript
244 lines
7.6 KiB
JavaScript
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const http = require('http')
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const mysql = require('mysql2/promise')
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const PORT = 3007
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const TWO_DAYS_MS = 2 * 24 * 60 * 60 * 1000
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const pool = mysql.createPool({
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host: '56b4c23f6853c.gz.cdb.myqcloud.com',
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port: 14413,
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user: 'cdb_outerroot',
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password: 'Zhiqun1984',
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database: 'soul_miniprogram',
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charset: 'utf8mb4',
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waitForConnections: true,
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connectionLimit: 5,
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queueLimit: 0
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})
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function isExcluded(id, partTitle) {
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const lid = String(id || '').toLowerCase()
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if (lid === 'preface' || lid === 'epilogue') return true
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if (lid.startsWith('appendix-') || lid.startsWith('appendix_')) return true
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const pt = String(partTitle || '')
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if (/序言|尾声|附录/.test(pt)) return true
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return false
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}
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function cleanPartTitle(pt) {
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return (pt || '真实的行业').replace(/^第[一二三四五六七八九十]+篇[｜|]?/, '').trim() || '真实的行业'
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}
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async function getFeaturedSections() {
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const tags = [
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{ tag: '热门', tagClass: 'tag-pink' },
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{ tag: '推荐', tagClass: 'tag-purple' },
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{ tag: '精选', tagClass: 'tag-free' }
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]
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try {
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const [rows] = await pool.query(`
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SELECT c.id, c.section_title, c.part_title, c.is_free,
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COALESCE(t.cnt, 0) as view_count
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FROM chapters c
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LEFT JOIN (
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SELECT chapter_id, COUNT(*) as cnt
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FROM user_tracks
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WHERE action = 'view_chapter' AND chapter_id IS NOT NULL
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GROUP BY chapter_id
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) t ON c.id = t.chapter_id
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WHERE c.id NOT IN ('preface','epilogue')
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AND c.id NOT LIKE 'appendix-%' AND c.id NOT LIKE 'appendix\\_%'
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AND c.part_title NOT LIKE '%序言%' AND c.part_title NOT LIKE '%尾声%'
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AND c.part_title NOT LIKE '%附录%'
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ORDER BY view_count DESC, c.updated_at DESC
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LIMIT 6
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`)
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if (rows && rows.length > 0) {
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return rows.slice(0, 3).map((r, i) => ({
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id: r.id,
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title: r.section_title || '',
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part: cleanPartTitle(r.part_title),
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tag: tags[i]?.tag || '推荐',
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tagClass: tags[i]?.tagClass || 'tag-purple'
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}))
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}
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} catch (e) {
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console.error('[featured] query error:', e.message)
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}
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try {
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const [fallback] = await pool.query(`
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SELECT id, section_title, part_title, is_free
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FROM chapters
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WHERE id NOT IN ('preface','epilogue')
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AND id NOT LIKE 'appendix-%' AND id NOT LIKE 'appendix\\_%'
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AND part_title NOT LIKE '%序言%' AND part_title NOT LIKE '%尾声%'
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AND part_title NOT LIKE '%附录%'
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ORDER BY updated_at DESC
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LIMIT 3
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`)
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if (fallback?.length > 0) {
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return fallback.map((r, i) => ({
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id: r.id,
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title: r.section_title || '',
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part: cleanPartTitle(r.part_title),
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tag: tags[i]?.tag || '推荐',
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tagClass: tags[i]?.tagClass || 'tag-purple'
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}))
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}
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} catch (_) {}
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return [
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{ id: '1.1', title: '荷包：电动车出租的被动收入模式', tag: '免费', tagClass: 'tag-free', part: '真实的人' },
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{ id: '3.1', title: '3000万流水如何跑出来', tag: '热门', tagClass: 'tag-pink', part: '真实的行业' },
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{ id: '8.1', title: '流量杠杆:抖音、Soul、飞书', tag: '推荐', tagClass: 'tag-purple', part: '真实的赚钱' }
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]
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}
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async function handleLatestChapters(res) {
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try {
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const [rows] = await pool.query(`
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SELECT id, part_title, section_title, is_free, price, created_at, updated_at
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FROM chapters
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ORDER BY sort_order ASC, id ASC
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`)
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let chapters = (rows || [])
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.map(r => ({
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id: r.id,
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title: r.section_title || '',
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part: cleanPartTitle(r.part_title),
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isFree: !!r.is_free,
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price: r.price || 0,
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updatedAt: r.updated_at || r.created_at,
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createdAt: r.created_at
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}))
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.filter(c => !isExcluded(c.id, c.part))
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if (chapters.length === 0) {
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return sendJSON(res, {
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success: true,
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banner: { id: '1.1', title: '开始阅读', part: '真实的人' },
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label: '为你推荐',
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chapters: [],
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hasNewUpdates: false
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})
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}
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const sorted = [...chapters].sort((a, b) => {
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const ta = a.updatedAt ? new Date(a.updatedAt).getTime() : 0
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const tb = b.updatedAt ? new Date(b.updatedAt).getTime() : 0
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return tb - ta
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})
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const mostRecentTime = sorted[0]?.updatedAt ? new Date(sorted[0].updatedAt).getTime() : 0
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const hasNewUpdates = Date.now() - mostRecentTime < TWO_DAYS_MS
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let banner, label, selected
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if (hasNewUpdates) {
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selected = sorted.slice(0, 3)
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banner = { id: selected[0].id, title: selected[0].title, part: selected[0].part }
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label = '最新更新'
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} else {
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const free = chapters.filter(c => c.isFree || c.price === 0)
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const candidates = free.length > 0 ? free : chapters
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const shuffled = [...candidates].sort(() => Math.random() - 0.5)
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selected = shuffled.slice(0, 3)
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banner = { id: selected[0].id, title: selected[0].title, part: selected[0].part }
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label = '为你推荐'
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}
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sendJSON(res, {
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success: true,
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banner,
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label,
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chapters: selected.map(c => ({ id: c.id, title: c.title, part: c.part, isFree: c.isFree })),
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hasNewUpdates
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})
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} catch (e) {
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console.error('[latest-chapters] error:', e.message)
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sendJSON(res, { success: false, error: '获取失败' }, 500)
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}
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}
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async function handleAllChapters(res) {
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const featuredSections = await getFeaturedSections()
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try {
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const [rows] = await pool.query(`
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SELECT id, part_id, part_title, chapter_id, chapter_title, section_title,
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content, is_free, price, word_count, sort_order, created_at, updated_at
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FROM chapters
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ORDER BY sort_order ASC, id ASC
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`)
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if (rows && rows.length > 0) {
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const seen = new Set()
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const data = rows
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.map(r => ({
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mid: r.mid || 0,
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id: r.id,
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partId: r.part_id || '',
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partTitle: r.part_title || '',
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chapterId: r.chapter_id || '',
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chapterTitle: r.chapter_title || '',
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sectionTitle: r.section_title || '',
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content: r.content || '',
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wordCount: r.word_count || 0,
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isFree: !!r.is_free,
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price: r.price || 0,
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sortOrder: r.sort_order || 0,
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status: 'published',
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createdAt: r.created_at,
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updatedAt: r.updated_at
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}))
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.filter(r => {
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if (seen.has(r.id)) return false
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seen.add(r.id)
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return true
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})
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return sendJSON(res, {
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success: true,
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data,
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total: data.length,
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featuredSections
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})
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}
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} catch (e) {
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console.error('[all-chapters] error:', e.message)
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}
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sendJSON(res, {
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success: true,
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data: [],
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total: 0,
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featuredSections
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})
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}
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function sendJSON(res, obj, code = 200) {
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res.writeHead(code, {
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'Content-Type': 'application/json; charset=utf-8',
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'Access-Control-Allow-Origin': '*',
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'Access-Control-Allow-Methods': 'GET, OPTIONS',
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'Access-Control-Allow-Headers': 'Content-Type, Authorization'
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})
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res.end(JSON.stringify(obj))
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}
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const server = http.createServer(async (req, res) => {
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if (req.method === 'OPTIONS') {
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return sendJSON(res, {})
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}
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const url = req.url.split('?')[0]
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if (url === '/api/book/latest-chapters') {
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return handleLatestChapters(res)
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}
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if (url === '/api/book/all-chapters') {
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return handleAllChapters(res)
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}
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if (url === '/health') {
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return sendJSON(res, { status: 'ok', time: new Date().toISOString() })
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}
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sendJSON(res, { error: 'not found' }, 404)
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})
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server.listen(PORT, '127.0.0.1', () => {
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console.log(`[soul-book-api] running on port ${PORT}`)
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})
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