feat: 内容管理第5批优化 - Bug修复 + 分享功能 + 代付功能
1. Bug修复： - 修复Markdown星号/下划线在小程序端原样显示问题（markdownToHtml增加__和_支持，contentParser增加Markdown格式剥离） - 修复@提及无反应（MentionSuggestion使用ref保持persons最新值，解决闭包捕获空数组问题） - 修复#链接标签点击"未找到小程序配置"（增加appId直接跳转降级路径） 2. 分享功能优化： - "分享到朋友圈"改为"分享给好友"（open-type从shareTimeline改为share） - 90%收益提示移到分享按钮下方 - 阅读20%后向上滑动弹出分享浮层提示（4秒自动消失） 3. 代付功能： - 后端：新增UserBalance/BalanceTransaction/GiftUnlock三个模型 - 后端：新增8个余额相关API（查询/充值/充值确认/代付/领取/退款/交易记录/礼物信息） - 小程序：阅读页新增"代付分享"按钮，支持用余额为好友解锁章节 - 分享链接携带gift参数，好友打开自动领取解锁 Made-with: Cursor
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269
soul-api/internal/handler/upload_content.go
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269
soul-api/internal/handler/upload_content.go
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package handler
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import (
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"bytes"
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"fmt"
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"image/gif"
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"image/jpeg"
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"image/png"
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"io"
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"math/rand"
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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"soul-api/internal/database"
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"soul-api/internal/model"
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)
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const (
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uploadDirContent = "uploads"
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maxImageBytes = 5 * 1024 * 1024 // 5MB
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maxVideoBytes = 100 * 1024 * 1024 // 100MB
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defaultImageQuality = 85
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)
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var (
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allowedImageTypes = map[string]bool{
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"image/jpeg": true, "image/png": true, "image/gif": true, "image/webp": true,
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}
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allowedVideoTypes = map[string]bool{
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"video/mp4": true, "video/quicktime": true, "video/x-msvideo": true,
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}
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)
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// UploadImagePost POST /api/miniprogram/upload/image 小程序-图片上传（支持压缩）
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// 表单：file（必填）, folder（可选，默认 images）, quality（可选 1-100，默认 85）
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func UploadImagePost(c *gin.Context) {
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file, err := c.FormFile("file")
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "请选择要上传的图片"})
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return
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}
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if file.Size > maxImageBytes {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "图片大小不能超过 5MB"})
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return
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}
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ct := file.Header.Get("Content-Type")
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if !allowedImageTypes[ct] && !strings.HasPrefix(ct, "image/") {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "仅支持 jpg/png/gif/webp 格式"})
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return
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}
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quality := defaultImageQuality
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if q := c.PostForm("quality"); q != "" {
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if qn, e := strconv.Atoi(q); e == nil && qn >= 1 && qn <= 100 {
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quality = qn
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}
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}
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folder := c.PostForm("folder")
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if folder == "" {
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folder = "images"
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}
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dir := filepath.Join(uploadDirContent, folder)
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_ = os.MkdirAll(dir, 0755)
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ext := filepath.Ext(file.Filename)
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if ext == "" {
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ext = ".jpg"
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}
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name := fmt.Sprintf("%d_%s%s", time.Now().UnixNano(), randomStrContent(6), ext)
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dst := filepath.Join(dir, name)
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src, err := file.Open()
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"success": false, "error": "打开文件失败"})
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return
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}
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defer src.Close()
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data, err := io.ReadAll(src)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"success": false, "error": "读取文件失败"})
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return
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}
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// JPEG：支持质量压缩
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if strings.Contains(ct, "jpeg") || strings.Contains(ct, "jpg") {
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img, err := jpeg.Decode(bytes.NewReader(data))
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if err == nil {
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var buf bytes.Buffer
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if err := jpeg.Encode(&buf, img, &jpeg.Options{Quality: quality}); err == nil {
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if err := os.WriteFile(dst, buf.Bytes(), 0644); err == nil {
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url := "/" + filepath.ToSlash(filepath.Join(uploadDirContent, folder, name))
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c.JSON(http.StatusOK, gin.H{
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"success": true, "url": url,
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"data": gin.H{"url": url, "fileName": name, "size": int64(buf.Len()), "type": ct, "quality": quality},
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})
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return
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}
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}
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}
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}
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// PNG/GIF：解码后原样保存
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if strings.Contains(ct, "png") {
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img, err := png.Decode(bytes.NewReader(data))
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if err == nil {
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var buf bytes.Buffer
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if err := png.Encode(&buf, img); err == nil {
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if err := os.WriteFile(dst, buf.Bytes(), 0644); err == nil {
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url := "/" + filepath.ToSlash(filepath.Join(uploadDirContent, folder, name))
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c.JSON(http.StatusOK, gin.H{"success": true, "url": url, "data": gin.H{"url": url, "fileName": name, "size": int64(buf.Len()), "type": ct}})
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return
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}
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}
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}
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}
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if strings.Contains(ct, "gif") {
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img, err := gif.Decode(bytes.NewReader(data))
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if err == nil {
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var buf bytes.Buffer
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if err := gif.Encode(&buf, img, nil); err == nil {
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if err := os.WriteFile(dst, buf.Bytes(), 0644); err == nil {
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url := "/" + filepath.ToSlash(filepath.Join(uploadDirContent, folder, name))
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c.JSON(http.StatusOK, gin.H{"success": true, "url": url, "data": gin.H{"url": url, "fileName": name, "size": int64(buf.Len()), "type": ct}})
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return
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}
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}
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}
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}
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// 其他格式或解析失败时直接写入
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if err := os.WriteFile(dst, data, 0644); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"success": false, "error": "保存失败"})
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return
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}
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url := "/" + filepath.ToSlash(filepath.Join(uploadDirContent, folder, name))
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c.JSON(http.StatusOK, gin.H{"success": true, "url": url, "data": gin.H{"url": url, "fileName": name, "size": int64(len(data)), "type": ct}})
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}
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// UploadVideoPost POST /api/miniprogram/upload/video 小程序-视频上传（指定目录）
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// 表单：file（必填）, folder（可选，默认 videos）
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func UploadVideoPost(c *gin.Context) {
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file, err := c.FormFile("file")
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "请选择要上传的视频"})
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return
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}
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if file.Size > maxVideoBytes {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "视频大小不能超过 100MB"})
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return
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}
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ct := file.Header.Get("Content-Type")
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if !allowedVideoTypes[ct] && !strings.HasPrefix(ct, "video/") {
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "error": "仅支持 mp4/mov/avi 等视频格式"})
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return
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}
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folder := c.PostForm("folder")
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if folder == "" {
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folder = "videos"
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}
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dir := filepath.Join(uploadDirContent, folder)
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_ = os.MkdirAll(dir, 0755)
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ext := filepath.Ext(file.Filename)
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if ext == "" {
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ext = ".mp4"
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}
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name := fmt.Sprintf("%d_%s%s", time.Now().UnixNano(), randomStrContent(8), ext)
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dst := filepath.Join(dir, name)
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if err := c.SaveUploadedFile(file, dst); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"success": false, "error": "保存失败"})
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return
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}
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url := "/" + filepath.ToSlash(filepath.Join(uploadDirContent, folder, name))
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c.JSON(http.StatusOK, gin.H{
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"success": true, "url": url,
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"data": gin.H{"url": url, "fileName": name, "size": file.Size, "type": ct, "folder": folder},
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})
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}
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// AdminContentUpload POST /api/admin/content/upload 管理端-内容上传（通过 API 写入内容管理，不直接操作数据库）
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// 需 AdminAuth。Body: { "action": "import", "data": [ { "id","title","content","price","isFree","partId","partTitle","chapterId","chapterTitle" } ] }
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func AdminContentUpload(c *gin.Context) {
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var body struct {
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Action string `json:"action"`
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Data []importItem `json:"data"`
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}
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if err := c.ShouldBindJSON(&body); err != nil {
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c.JSON(http.StatusOK, 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.Action != "import" {
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c.JSON(http.StatusOK, gin.H{"success": false, "error": "action 须为 import"})
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return
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}
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if len(body.Data) == 0 {
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c.JSON(http.StatusOK, gin.H{"success": false, "error": "data 不能为空"})
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return
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}
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db := database.DB()
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imported, failed := 0, 0
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for _, item := range body.Data {
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if item.ID == "" || item.Title == "" {
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failed++
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continue
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}
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price := 1.0
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if item.Price != nil {
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price = *item.Price
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}
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isFree := false
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if item.IsFree != nil {
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isFree = *item.IsFree
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}
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wordCount := len(item.Content)
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status := "published"
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editionStandard, editionPremium := true, false
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ch := model.Chapter{
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ID: item.ID,
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PartID: strPtrContent(item.PartID, "part-1"),
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PartTitle: strPtrContent(item.PartTitle, "未分类"),
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ChapterID: strPtrContent(item.ChapterID, "chapter-1"),
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ChapterTitle: strPtrContent(item.ChapterTitle, "未分类"),
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SectionTitle: item.Title,
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Content: item.Content,
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WordCount: &wordCount,
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IsFree: &isFree,
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Price: &price,
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Status: &status,
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EditionStandard: &editionStandard,
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EditionPremium: &editionPremium,
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}
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err := db.Where("id = ?", item.ID).First(&model.Chapter{}).Error
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if err == gorm.ErrRecordNotFound {
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err = db.Create(&ch).Error
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} else if err == nil {
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err = db.Model(&model.Chapter{}).Where("id = ?", item.ID).Updates(map[string]interface{}{
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"section_title": ch.SectionTitle,
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"content": ch.Content,
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"word_count": ch.WordCount,
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"is_free": ch.IsFree,
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"price": ch.Price,
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}).Error
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}
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if err != nil {
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failed++
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continue
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}
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imported++
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}
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c.JSON(http.StatusOK, gin.H{"success": true, "message": "导入完成", "imported": imported, "failed": failed})
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}
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func randomStrContent(n int) string {
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const letters = "abcdefghijklmnopqrstuvwxyz0123456789"
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b := make([]byte, n)
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for i := range b {
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b[i] = letters[rand.Intn(len(letters))]
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}
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return string(b)
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}
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func strPtrContent(s *string, def string) string {
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if s != nil && *s != "" {
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return *s
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}
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return def
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}
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