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
110 lines
3.4 KiB
Go
110 lines
3.4 KiB
Go
package handler
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import (
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"net/http"
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"strings"
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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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)
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// escapeLike 转义 LIKE 中的 % _ \，防止注入与通配符滥用
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func escapeLike(s string) string {
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s = strings.ReplaceAll(s, "\\", "\\\\")
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s = strings.ReplaceAll(s, "%", "\\%")
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s = strings.ReplaceAll(s, "_", "\\_")
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return s
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}
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// SearchGet GET /api/search?q= 从 chapters 表搜索（GORM，参数化）
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// 优化：先搜标题（快），再搜内容（慢），不加载完整 content 到内存
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func SearchGet(c *gin.Context) {
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q := strings.TrimSpace(c.Query("q"))
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if q == "" {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "请输入搜索关键词"})
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return
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}
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pattern := "%" + escapeLike(q) + "%"
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db := database.DB()
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// 第一步：标题匹配（快速，不加载 content）
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type searchRow struct {
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ID string `gorm:"column:id"`
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MID uint `gorm:"column:mid"`
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SectionTitle string `gorm:"column:section_title"`
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PartTitle string `gorm:"column:part_title"`
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ChapterTitle string `gorm:"column:chapter_title"`
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Price *float64 `gorm:"column:price"`
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IsFree *bool `gorm:"column:is_free"`
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Snippet string `gorm:"column:snippet"`
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}
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var titleMatches []searchRow
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db.Model(&model.Chapter{}).
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Select("id, mid, section_title, part_title, chapter_title, price, is_free, '' as snippet").
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Where("section_title LIKE ?", pattern).
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Order("sort_order ASC, id ASC").
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Limit(3).
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Find(&titleMatches)
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titleIDs := make(map[string]bool, len(titleMatches))
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for _, m := range titleMatches {
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titleIDs[m.ID] = true
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}
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// 第二步：内容匹配（排除已命中标题的，用 SQL 提取摘要避免加载完整 content）
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remaining := 20 - len(titleMatches)
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var contentMatches []searchRow
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if remaining > 0 {
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contentQ := db.Model(&model.Chapter{}).
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Select("id, mid, section_title, part_title, chapter_title, price, is_free, "+
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"CONCAT(CASE WHEN LOCATE(?, content) > 60 THEN '...' ELSE '' END, "+
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"SUBSTRING(content, GREATEST(1, LOCATE(?, content) - 50), 200), "+
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"CASE WHEN LENGTH(content) > LOCATE(?, content) + 150 THEN '...' ELSE '' END) as snippet",
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q, q, q).
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Where("content LIKE ?", pattern)
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if len(titleIDs) > 0 {
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ids := make([]string, 0, len(titleIDs))
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for id := range titleIDs {
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ids = append(ids, id)
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}
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contentQ = contentQ.Where("id NOT IN ?", ids)
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}
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contentQ.Order("sort_order ASC, id ASC").
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Limit(remaining).
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Find(&contentMatches)
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}
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results := make([]gin.H, 0, len(titleMatches)+len(contentMatches))
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for _, ch := range titleMatches {
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price := 1.0
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if ch.Price != nil {
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price = *ch.Price
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}
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results = append(results, gin.H{
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"id": ch.ID, "title": ch.SectionTitle, "partTitle": ch.PartTitle, "chapterTitle": ch.ChapterTitle,
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"price": price, "isFree": ch.IsFree, "matchType": "title", "score": 10, "snippet": "",
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})
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}
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for _, ch := range contentMatches {
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price := 1.0
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if ch.Price != nil {
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price = *ch.Price
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}
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snippet := ch.Snippet
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if len([]rune(snippet)) > 200 {
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snippet = string([]rune(snippet)[:200]) + "..."
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}
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results = append(results, gin.H{
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"id": ch.ID, "title": ch.SectionTitle, "partTitle": ch.PartTitle, "chapterTitle": ch.ChapterTitle,
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"price": price, "isFree": ch.IsFree, "matchType": "content", "score": 5, "snippet": snippet,
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})
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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{"keyword": q, "total": len(results), "results": results},
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})
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}
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