708547d0dd
- 数据概览：去掉代付统计独立卡片，总收入中以小标签显示代付金额 - 数据概览：移除余额统计区块（余额改在用户管理中展示） - 数据概览：恢复转化率卡片（唯一付费用户/总用户） - 用户管理：用户列表新增「余额/提现」列，显示钱包余额和已提现金额 - 后端：DBUsersList 增加 user_balances 查询，返回 walletBalance 字段 - 后端：User model 添加 WalletBalance 非数据库字段 - 包含之前的小程序埋点和管理后台点击统计面板 Made-with: Cursor
608 lines
18 KiB
Go
608 lines
18 KiB
Go
package handler
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import (
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"encoding/json"
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"net/http"
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"strconv"
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"strings"
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"time"
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"unicode/utf8"
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"soul-api/internal/database"
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"soul-api/internal/model"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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)
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// excludeParts 排除序言、尾声、附录（不参与精选推荐/热门排序）
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var excludeParts = []string{"序言", "尾声", "附录"}
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// BookAllChapters GET /api/book/all-chapters 返回所有章节（列表，来自 chapters 表）
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// 排序须与管理端 PUT /api/db/book action=reorder 一致：按 sort_order 升序，同序按 id
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// 免费判断：system_config.free_chapters / chapter_config.freeChapters 优先于 chapters.is_free
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// 支持 excludeFixed=1：排除序言、尾声、附录（目录页固定模块，不参与中间篇章）
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func BookAllChapters(c *gin.Context) {
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db := database.DB()
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q := db.Model(&model.Chapter{}).
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Select("mid, id, part_id, part_title, chapter_id, chapter_title, section_title, word_count, is_free, price, sort_order, status, is_new, edition_standard, edition_premium, hot_score, created_at, updated_at")
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if c.Query("excludeFixed") == "1" {
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for _, p := range excludeParts {
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q = q.Where("part_title NOT LIKE ?", "%"+p+"%")
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}
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}
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var list []model.Chapter
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if err := q.Order("COALESCE(sort_order, 999999) ASC, id ASC").Find(&list).Error; err != nil {
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c.JSON(http.StatusOK, gin.H{"success": true, "data": []interface{}{}})
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return
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}
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freeIDs := getFreeChapterIDs(db)
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for i := range list {
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if freeIDs[list[i].ID] {
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t := true
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z := float64(0)
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list[i].IsFree = &t
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list[i].Price = &z
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}
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}
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c.JSON(http.StatusOK, gin.H{"success": true, "data": list})
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}
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// BookChapterByID GET /api/book/chapter/:id 按业务 id 查询（兼容旧链接）
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func BookChapterByID(c *gin.Context) {
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id := c.Param("id")
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if id == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "缺少 id"})
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return
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}
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findChapterAndRespond(c, func(db *gorm.DB) *gorm.DB {
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return db.Where("id = ?", id)
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})
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}
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// BookChapterByMID GET /api/book/chapter/by-mid/:mid 按自增主键 mid 查询（新链接推荐）
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func BookChapterByMID(c *gin.Context) {
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midStr := c.Param("mid")
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if midStr == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "缺少 mid"})
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return
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}
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mid, err := strconv.Atoi(midStr)
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if err != nil || mid < 1 {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "mid 必须为正整数"})
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return
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}
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findChapterAndRespond(c, func(db *gorm.DB) *gorm.DB {
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return db.Where("mid = ?", mid)
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})
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}
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// getFreeChapterIDs 从 system_config 读取免费章节 ID 列表（free_chapters 或 chapter_config.freeChapters）
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func getFreeChapterIDs(db *gorm.DB) map[string]bool {
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ids := make(map[string]bool)
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for _, key := range []string{"free_chapters", "chapter_config"} {
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var row model.SystemConfig
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if err := db.Where("config_key = ?", key).First(&row).Error; err != nil {
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continue
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}
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var val interface{}
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if err := json.Unmarshal(row.ConfigValue, &val); err != nil {
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continue
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}
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if key == "free_chapters" {
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if arr, ok := val.([]interface{}); ok {
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for _, v := range arr {
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if s, ok := v.(string); ok {
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ids[s] = true
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}
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}
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}
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} else if key == "chapter_config" {
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if m, ok := val.(map[string]interface{}); ok {
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if arr, ok := m["freeChapters"].([]interface{}); ok {
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for _, v := range arr {
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if s, ok := v.(string); ok {
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ids[s] = true
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}
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}
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}
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}
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}
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}
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return ids
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}
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// checkUserChapterAccess 判断 userId 是否有权读取 chapterID（VIP / 全书购买 / 单章购买）
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// isPremium=true 表示增值版，fullbook 买断不含增值版
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func checkUserChapterAccess(db *gorm.DB, userID, chapterID string, isPremium bool) bool {
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if userID == "" {
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return false
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}
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// VIP：is_vip=1 且未过期
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var u model.User
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if err := db.Select("id", "is_vip", "vip_expire_date", "has_full_book").Where("id = ?", userID).First(&u).Error; err != nil {
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return false
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}
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if u.IsVip != nil && *u.IsVip && u.VipExpireDate != nil && u.VipExpireDate.After(time.Now()) {
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return true
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}
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// 全书买断（不含增值版）
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if !isPremium && u.HasFullBook != nil && *u.HasFullBook {
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return true
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}
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// 全书订单（兜底）
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if !isPremium {
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var cnt int64
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db.Model(&model.Order{}).Where("user_id = ? AND product_type = 'fullbook' AND status = 'paid'", userID).Count(&cnt)
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if cnt > 0 {
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return true
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}
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}
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// 单章购买
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var cnt int64
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db.Model(&model.Order{}).Where(
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"user_id = ? AND product_type = 'section' AND product_id = ? AND status = 'paid'",
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userID, chapterID,
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).Count(&cnt)
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return cnt > 0
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}
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// getUnpaidPreviewPercent 从 system_config 读取 unpaid_preview_percent，默认 20
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func getUnpaidPreviewPercent(db *gorm.DB) int {
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var row model.SystemConfig
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if err := db.Where("config_key = ?", "unpaid_preview_percent").First(&row).Error; err != nil || len(row.ConfigValue) == 0 {
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return 20
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}
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var val interface{}
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if err := json.Unmarshal(row.ConfigValue, &val); err != nil {
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return 20
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}
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switch v := val.(type) {
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case float64:
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p := int(v)
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if p < 1 {
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p = 1
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}
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if p > 100 {
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p = 100
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}
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return p
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case int:
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if v < 1 {
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return 1
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}
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if v > 100 {
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return 100
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}
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return v
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}
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return 20
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}
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// previewContent 取内容的前 percent%，上限 500 字（手动设置 percent 也受此限制），不少于 100 字
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func previewContent(content string, percent int) string {
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total := utf8.RuneCountInString(content)
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if total == 0 {
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return ""
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}
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if percent < 1 {
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percent = 1
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}
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if percent > 100 {
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percent = 100
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}
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limit := total * percent / 100
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if limit < 100 {
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limit = 100
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}
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const maxPreview = 500
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if limit > maxPreview {
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limit = maxPreview
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}
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if limit > total {
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limit = total
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}
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runes := []rune(content)
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return string(runes[:limit]) + "\n\n……（购买后阅读完整内容）"
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}
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// findChapterAndRespond 按条件查章节并返回统一格式
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// 免费判断优先级：system_config.free_chapters / chapter_config.freeChapters > chapters.is_free/price
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// 付费章节：若请求携带 userId 且有购买权限则返回完整 content，否则返回 previewContent
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func findChapterAndRespond(c *gin.Context, whereFn func(*gorm.DB) *gorm.DB) {
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var ch model.Chapter
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db := database.DB()
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if err := whereFn(db).First(&ch).Error; err != nil {
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if err == gorm.ErrRecordNotFound {
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c.JSON(http.StatusNotFound, gin.H{"success": false, "error": "章节不存在"})
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return
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}
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c.JSON(http.StatusOK, gin.H{"success": false, "error": err.Error()})
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return
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}
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isFreeFromConfig := getFreeChapterIDs(db)[ch.ID]
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isFree := isFreeFromConfig
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if !isFree && ch.IsFree != nil && *ch.IsFree {
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isFree = true
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}
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if !isFree && ch.Price != nil && *ch.Price == 0 {
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isFree = true
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}
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// 确定返回的 content：免费直接返回，付费须校验购买权限
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userID := c.Query("userId")
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isPremium := ch.EditionPremium != nil && *ch.EditionPremium
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var returnContent string
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if isFree {
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returnContent = ch.Content
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} else if checkUserChapterAccess(db, userID, ch.ID, isPremium) {
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returnContent = ch.Content
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} else {
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percent := getUnpaidPreviewPercent(db)
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if ch.PreviewPercent != nil && *ch.PreviewPercent >= 1 && *ch.PreviewPercent <= 100 {
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percent = *ch.PreviewPercent
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}
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returnContent = previewContent(ch.Content, percent)
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}
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// data 中的 content 必须与外层 content 一致，避免泄露完整内容给未授权用户
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chForResponse := ch
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chForResponse.Content = returnContent
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out := gin.H{
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"success": true,
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"data": chForResponse,
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"content": returnContent,
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"chapterTitle": ch.ChapterTitle,
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"partTitle": ch.PartTitle,
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"id": ch.ID,
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"mid": ch.MID,
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"sectionTitle": ch.SectionTitle,
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"isFree": isFree,
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}
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if isFreeFromConfig {
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out["price"] = float64(0)
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} else if ch.Price != nil {
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out["price"] = *ch.Price
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}
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c.JSON(http.StatusOK, out)
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}
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// BookChapters GET/POST/PUT/DELETE /api/book/chapters（与 app/api/book/chapters 一致，用 GORM）
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func BookChapters(c *gin.Context) {
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db := database.DB()
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switch c.Request.Method {
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case http.MethodGet:
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partId := c.Query("partId")
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status := c.Query("status")
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if status == "" {
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status = "published"
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}
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page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
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pageSize, _ := strconv.Atoi(c.DefaultQuery("pageSize", "100"))
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if page < 1 {
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page = 1
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}
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if pageSize < 1 || pageSize > 500 {
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pageSize = 100
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}
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q := db.Model(&model.Chapter{})
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if partId != "" {
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q = q.Where("part_id = ?", partId)
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}
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if status != "" && status != "all" {
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q = q.Where("status = ?", status)
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}
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var total int64
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q.Count(&total)
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var list []model.Chapter
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q.Order("sort_order ASC, id ASC").Offset((page - 1) * pageSize).Limit(pageSize).Find(&list)
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totalPages := int(total) / pageSize
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if int(total)%pageSize > 0 {
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totalPages++
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}
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c.JSON(http.StatusOK, gin.H{
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"success": true,
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"data": gin.H{
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"list": list, "total": total, "page": page, "pageSize": pageSize, "totalPages": totalPages,
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},
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})
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return
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case http.MethodPost:
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var body model.Chapter
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if err := c.ShouldBindJSON(&body); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "请求体无效"})
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return
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}
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if body.ID == "" || body.PartID == "" || body.ChapterID == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "缺少必要字段 id/partId/chapterId"})
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return
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}
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if err := db.Create(&body).Error; err != nil {
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c.JSON(http.StatusOK, gin.H{"success": false, "error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, gin.H{"success": true, "data": body})
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return
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case http.MethodPut:
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var body model.Chapter
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if err := c.ShouldBindJSON(&body); err != nil || body.ID == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "缺少 id"})
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return
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}
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updates := map[string]interface{}{
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"part_title": body.PartTitle, "chapter_title": body.ChapterTitle, "section_title": body.SectionTitle,
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"content": body.Content, "word_count": body.WordCount, "is_free": body.IsFree, "price": body.Price,
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"sort_order": body.SortOrder, "status": body.Status, "hot_score": body.HotScore,
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}
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if body.EditionStandard != nil {
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updates["edition_standard"] = body.EditionStandard
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}
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if body.EditionPremium != nil {
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updates["edition_premium"] = body.EditionPremium
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}
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if err := db.Model(&model.Chapter{}).Where("id = ?", body.ID).Updates(updates).Error; err != nil {
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c.JSON(http.StatusOK, gin.H{"success": false, "error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, gin.H{"success": true})
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return
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case http.MethodDelete:
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id := c.Query("id")
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if id == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "缺少 id"})
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return
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}
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if err := db.Where("id = ?", id).Delete(&model.Chapter{}).Error; err != nil {
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c.JSON(http.StatusOK, gin.H{"success": false, "error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, gin.H{"success": true})
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return
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}
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c.JSON(http.StatusOK, gin.H{"success": false, "error": "不支持的请求方法"})
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}
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// bookHotChaptersSorted 按精选推荐算法排序：阅读量优先，同量按更新时间；排除序言/尾声/附录
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func bookHotChaptersSorted(db *gorm.DB, limit int) []model.Chapter {
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q := db.Model(&model.Chapter{})
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for _, p := range excludeParts {
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q = q.Where("part_title NOT LIKE ?", "%"+p+"%")
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}
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var all []model.Chapter
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if err := q.Order("sort_order ASC, id ASC").Find(&all).Error; err != nil || len(all) == 0 {
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return nil
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}
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// 从 reading_progress 统计阅读量
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ids := make([]string, 0, len(all))
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for _, c := range all {
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ids = append(ids, c.ID)
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}
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var counts []struct {
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SectionID string `gorm:"column:section_id"`
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Cnt int64 `gorm:"column:cnt"`
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}
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db.Table("reading_progress").Select("section_id, COUNT(*) as cnt").
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Where("section_id IN ?", ids).Group("section_id").Scan(&counts)
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countMap := make(map[string]int64)
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for _, r := range counts {
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countMap[r.SectionID] = r.Cnt
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}
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// 按阅读量降序、同量按 updated_at 降序
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type withSort struct {
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ch model.Chapter
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cnt int64
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}
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withCnt := make([]withSort, 0, len(all))
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for _, c := range all {
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withCnt = append(withCnt, withSort{ch: c, cnt: countMap[c.ID]})
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}
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for i := 0; i < len(withCnt)-1; i++ {
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for j := i + 1; j < len(withCnt); j++ {
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if withCnt[j].cnt > withCnt[i].cnt ||
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(withCnt[j].cnt == withCnt[i].cnt && withCnt[j].ch.UpdatedAt.After(withCnt[i].ch.UpdatedAt)) {
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withCnt[i], withCnt[j] = withCnt[j], withCnt[i]
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}
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}
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}
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out := make([]model.Chapter, 0, limit)
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for i := 0; i < limit && i < len(withCnt); i++ {
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out = append(out, withCnt[i].ch)
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}
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return out
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}
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// BookHot GET /api/book/hot 热门章节（按 hot_score 降序，使用与管理端相同的排名算法）
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// 支持 ?limit=N 参数，默认 20，最大 100
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func BookHot(c *gin.Context) {
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db := database.DB()
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sections, err := computeArticleRankingSections(db)
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if err != nil || len(sections) == 0 {
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var list []model.Chapter
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q := db.Model(&model.Chapter{}).
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Select("mid, id, part_id, part_title, chapter_id, chapter_title, section_title, is_free, price, sort_order, hot_score, updated_at")
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for _, p := range excludeParts {
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q = q.Where("part_title NOT LIKE ?", "%"+p+"%")
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}
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q.Order("hot_score DESC, sort_order ASC, id ASC").Limit(20).Find(&list)
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c.JSON(http.StatusOK, gin.H{"success": true, "data": list})
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return
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}
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limit := 20
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if l, err := strconv.Atoi(c.Query("limit")); err == nil && l > 0 {
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limit = l
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if limit > 100 {
|
||
limit = 100
|
||
}
|
||
}
|
||
if len(sections) < limit {
|
||
limit = len(sections)
|
||
}
|
||
tags := []string{"热门", "推荐", "精选"}
|
||
result := make([]gin.H, 0, limit)
|
||
for i := 0; i < limit; i++ {
|
||
s := sections[i]
|
||
tag := ""
|
||
if i < len(tags) {
|
||
tag = tags[i]
|
||
}
|
||
result = append(result, gin.H{
|
||
"id": s.ID,
|
||
"mid": s.MID,
|
||
"sectionTitle": s.Title,
|
||
"partTitle": s.PartTitle,
|
||
"chapterTitle": s.ChapterTitle,
|
||
"price": s.Price,
|
||
"isFree": s.IsFree,
|
||
"clickCount": s.ClickCount,
|
||
"payCount": s.PayCount,
|
||
"hotScore": s.HotScore,
|
||
"hotRank": i + 1,
|
||
"isPinned": s.IsPinned,
|
||
"tag": tag,
|
||
})
|
||
}
|
||
c.JSON(http.StatusOK, gin.H{"success": true, "data": result})
|
||
}
|
||
|
||
// BookRecommended GET /api/book/recommended 精选推荐（首页「为你推荐」前 3 章）
|
||
// 与内容排行榜完全同源：使用 computeArticleRankingSections，取前 3 条，保证顺序一致
|
||
func BookRecommended(c *gin.Context) {
|
||
sections, err := computeArticleRankingSections(database.DB())
|
||
if err != nil || len(sections) == 0 {
|
||
c.JSON(http.StatusOK, gin.H{"success": true, "data": []gin.H{}})
|
||
return
|
||
}
|
||
limit := 3
|
||
if len(sections) < limit {
|
||
limit = len(sections)
|
||
}
|
||
tags := []string{"热门", "推荐", "精选"}
|
||
out := make([]gin.H, 0, limit)
|
||
for i := 0; i < limit; i++ {
|
||
s := sections[i]
|
||
tag := "精选"
|
||
if i < len(tags) {
|
||
tag = tags[i]
|
||
}
|
||
out = append(out, gin.H{
|
||
"id": s.ID,
|
||
"mid": s.MID,
|
||
"sectionTitle": s.Title,
|
||
"partTitle": s.PartTitle,
|
||
"chapterTitle": s.ChapterTitle,
|
||
"tag": tag,
|
||
"isFree": s.IsFree,
|
||
"price": s.Price,
|
||
"isNew": s.IsNew,
|
||
})
|
||
}
|
||
c.JSON(http.StatusOK, gin.H{"success": true, "data": out})
|
||
}
|
||
|
||
// BookLatestChapters GET /api/book/latest-chapters
|
||
func BookLatestChapters(c *gin.Context) {
|
||
var list []model.Chapter
|
||
database.DB().Order("updated_at DESC, id ASC").Limit(20).Find(&list)
|
||
c.JSON(http.StatusOK, gin.H{"success": true, "data": list})
|
||
}
|
||
|
||
func escapeLikeBook(s string) string {
|
||
s = strings.ReplaceAll(s, "\\", "\\\\")
|
||
s = strings.ReplaceAll(s, "%", "\\%")
|
||
s = strings.ReplaceAll(s, "_", "\\_")
|
||
return s
|
||
}
|
||
|
||
// BookSearch GET /api/book/search?q= 章节搜索
|
||
// 优化：先搜标题（快），再搜内容（慢），不加载完整 content
|
||
func BookSearch(c *gin.Context) {
|
||
q := strings.TrimSpace(c.Query("q"))
|
||
if q == "" {
|
||
c.JSON(http.StatusOK, gin.H{"success": true, "results": []interface{}{}, "total": 0, "keyword": ""})
|
||
return
|
||
}
|
||
pattern := "%" + escapeLikeBook(q) + "%"
|
||
db := database.DB()
|
||
|
||
type row struct {
|
||
ID string `gorm:"column:id"`
|
||
MID uint `gorm:"column:mid"`
|
||
SectionTitle string `gorm:"column:section_title"`
|
||
PartTitle string `gorm:"column:part_title"`
|
||
ChapterTitle string `gorm:"column:chapter_title"`
|
||
IsFree *bool `gorm:"column:is_free"`
|
||
}
|
||
|
||
var titleHits []row
|
||
db.Model(&model.Chapter{}).
|
||
Select("id, mid, section_title, part_title, chapter_title, is_free").
|
||
Where("section_title LIKE ?", pattern).
|
||
Order("sort_order ASC, id ASC").
|
||
Limit(15).
|
||
Find(&titleHits)
|
||
|
||
titleIDs := make(map[string]bool, len(titleHits))
|
||
for _, h := range titleHits {
|
||
titleIDs[h.ID] = true
|
||
}
|
||
|
||
remaining := 20 - len(titleHits)
|
||
var contentHits []row
|
||
if remaining > 0 {
|
||
cq := db.Model(&model.Chapter{}).
|
||
Select("id, mid, section_title, part_title, chapter_title, is_free").
|
||
Where("content LIKE ?", pattern)
|
||
if len(titleIDs) > 0 {
|
||
ids := make([]string, 0, len(titleIDs))
|
||
for id := range titleIDs {
|
||
ids = append(ids, id)
|
||
}
|
||
cq = cq.Where("id NOT IN ?", ids)
|
||
}
|
||
cq.Order("sort_order ASC, id ASC").Limit(remaining).Find(&contentHits)
|
||
}
|
||
|
||
results := make([]gin.H, 0, len(titleHits)+len(contentHits))
|
||
for _, ch := range titleHits {
|
||
results = append(results, gin.H{
|
||
"id": ch.ID, "mid": ch.MID, "title": ch.SectionTitle, "part": ch.PartTitle, "chapter": ch.ChapterTitle,
|
||
"isFree": ch.IsFree, "matchType": "title",
|
||
})
|
||
}
|
||
for _, ch := range contentHits {
|
||
results = append(results, gin.H{
|
||
"id": ch.ID, "mid": ch.MID, "title": ch.SectionTitle, "part": ch.PartTitle, "chapter": ch.ChapterTitle,
|
||
"isFree": ch.IsFree, "matchType": "content",
|
||
})
|
||
}
|
||
c.JSON(http.StatusOK, gin.H{"success": true, "results": results, "total": len(results), "keyword": q})
|
||
}
|
||
|
||
// BookStats GET /api/book/stats
|
||
func BookStats(c *gin.Context) {
|
||
db := database.DB()
|
||
var total int64
|
||
db.Model(&model.Chapter{}).Count(&total)
|
||
var freeCount int64
|
||
db.Model(&model.Chapter{}).Where("is_free = ?", true).Count(&freeCount)
|
||
var totalWords struct{ S int64 }
|
||
db.Model(&model.Chapter{}).Select("COALESCE(SUM(word_count),0) as s").Scan(&totalWords)
|
||
var userCount int64
|
||
db.Model(&model.User{}).Count(&userCount)
|
||
c.JSON(http.StatusOK, gin.H{"success": true, "data": gin.H{
|
||
"totalChapters": total,
|
||
"freeChapters": freeCount,
|
||
"totalWordCount": totalWords.S,
|
||
"totalUsers": userCount,
|
||
}})
|
||
}
|
||
|
||
// BookSync GET/POST /api/book/sync
|
||
func BookSync(c *gin.Context) {
|
||
c.JSON(http.StatusOK, gin.H{"success": true, "message": "同步由 DB 维护"})
|
||
}
|