feat():learning后台管理项目初始化
This commit is contained in:
yuj
260
internal/services/user_feedback_service.go
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260
internal/services/user_feedback_service.go
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@@ -0,0 +1,260 @@
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package services
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"goalfymax-admin/internal/models"
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"goalfymax-admin/internal/oss"
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"goalfymax-admin/internal/storage"
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"strconv"
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)
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// UserFeedbackService 用户反馈服务
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type UserFeedbackService struct {
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storage *storage.UserFeedbackStorage
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}
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// NewUserFeedbackService 创建用户反馈服务实例
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func NewUserFeedbackService(storage *storage.UserFeedbackStorage) *UserFeedbackService {
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return &UserFeedbackService{storage: storage}
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}
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// List 获取用户反馈列表
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func (s *UserFeedbackService) List(ctx context.Context, req *models.UserFeedbackListRequest) (*models.UserFeedbackListResponse, error) {
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// 参数校验
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if req.Page <= 0 {
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req.Page = 1
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}
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if req.PageSize <= 0 {
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req.PageSize = 10
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}
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if req.PageSize > 100 {
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req.PageSize = 100
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}
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// 状态值校验
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if req.Status != nil && (*req.Status < 0 || *req.Status > 1) {
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return nil, fmt.Errorf("状态值无效")
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}
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// 用户ID校验
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if req.UserID != nil && *req.UserID <= 0 {
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return nil, fmt.Errorf("用户ID无效")
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}
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// 时间格式校验
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if req.StartTime != "" {
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if _, err := strconv.ParseInt(req.StartTime, 10, 64); err != nil {
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// 尝试解析时间格式
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if err := parseTimeString(req.StartTime); err != nil {
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return nil, fmt.Errorf("开始时间格式无效")
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}
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}
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}
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if req.EndTime != "" {
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if _, err := strconv.ParseInt(req.EndTime, 10, 64); err != nil {
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// 尝试解析时间格式
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if err := parseTimeString(req.EndTime); err != nil {
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return nil, fmt.Errorf("结束时间格式无效")
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}
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}
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}
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// 调用存储层
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feedbacks, total, err := s.storage.List(ctx, req)
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if err != nil {
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return nil, fmt.Errorf("获取反馈列表失败: %w", err)
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}
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// 转换为带有可访问URL的返回结构
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items := make([]models.UserFeedbackItem, 0, len(feedbacks))
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for _, fb := range feedbacks {
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var keys []string
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if fb.FileKeys != "" {
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_ = json.Unmarshal([]byte(fb.FileKeys), &keys)
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}
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// 直接下载文件内容并进行Base64编码
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var fileContents []string
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for _, k := range keys {
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if k == "" {
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continue
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}
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content, mimeType, err := oss.DownloadFileContent(ctx, k)
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if err != nil {
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// 记录错误，但继续处理其他文件
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fmt.Printf("Error downloading file %s: %v\n", k, err)
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continue
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}
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encodedContent := fmt.Sprintf("data:%s;base64,%s", mimeType, base64.StdEncoding.EncodeToString(content))
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fileContents = append(fileContents, encodedContent)
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}
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items = append(items, models.UserFeedbackItem{
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ID: fb.ID,
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UserID: fb.UID,
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Content: fb.Content,
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FileKeys: keys,
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FileContents: fileContents, // 返回Base64编码的内容
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Status: fb.Status,
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HandledBy: fb.HandledBy,
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HandledAt: fb.HandledAt,
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CreatedAt: fb.CreatedAt,
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UpdatedAt: fb.UpdatedAt,
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})
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}
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return &models.UserFeedbackListResponse{
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List: items,
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Total: total,
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Page: req.Page,
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PageSize: req.PageSize,
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}, nil
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}
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// GetByID 根据ID获取用户反馈
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func (s *UserFeedbackService) GetByID(ctx context.Context, id int64) (*models.UserFeedbackItem, error) {
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if id <= 0 {
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return nil, fmt.Errorf("反馈ID无效")
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}
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feedback, err := s.storage.GetByID(ctx, id)
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if err != nil {
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return nil, fmt.Errorf("获取用户反馈失败: %w", err)
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}
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if feedback == nil {
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return nil, fmt.Errorf("反馈不存在")
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}
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// 解析 file_keys
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var keys []string
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if feedback.FileKeys != "" {
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_ = json.Unmarshal([]byte(feedback.FileKeys), &keys)
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}
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// 下载文件内容并进行Base64编码
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var fileContents []string
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for _, k := range keys {
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if k == "" {
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continue
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}
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content, mimeType, err := oss.DownloadFileContent(ctx, k)
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if err != nil {
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fmt.Printf("Error downloading file %s: %v\n", k, err)
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continue
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}
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encodedContent := fmt.Sprintf("data:%s;base64,%s", mimeType, base64.StdEncoding.EncodeToString(content))
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fileContents = append(fileContents, encodedContent)
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}
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return &models.UserFeedbackItem{
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ID: feedback.ID,
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UserID: feedback.UID,
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Content: feedback.Content,
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FileKeys: keys,
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FileContents: fileContents,
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Status: feedback.Status,
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HandledBy: feedback.HandledBy,
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HandledAt: feedback.HandledAt,
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CreatedAt: feedback.CreatedAt,
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UpdatedAt: feedback.UpdatedAt,
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}, nil
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}
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// MarkHandled 切换处理状态（已处理/未处理）
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func (s *UserFeedbackService) MarkHandled(ctx context.Context, id int64, handledBy int, note string) error {
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if id <= 0 {
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return fmt.Errorf("反馈ID无效")
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}
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// 检查反馈是否存在
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feedback, err := s.storage.GetByID(ctx, id)
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if err != nil {
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return fmt.Errorf("获取反馈信息失败: %w", err)
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}
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if feedback == nil {
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return fmt.Errorf("反馈不存在")
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}
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// 如果要标记为已处理，需要处理人ID
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if feedback.Status == 0 && handledBy <= 0 {
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return fmt.Errorf("处理人ID无效")
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}
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// 切换状态
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if err := s.storage.MarkHandled(ctx, id, handledBy, note); err != nil {
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return fmt.Errorf("切换状态失败: %w", err)
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}
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return nil
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}
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// Delete 删除用户反馈
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func (s *UserFeedbackService) Delete(ctx context.Context, id int64) error {
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if id <= 0 {
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return fmt.Errorf("反馈ID无效")
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}
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// 检查反馈是否存在
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feedback, err := s.storage.GetByID(ctx, id)
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if err != nil {
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return fmt.Errorf("获取反馈信息失败: %w", err)
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}
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if feedback == nil {
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return fmt.Errorf("反馈不存在")
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}
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// 删除反馈
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if err := s.storage.Delete(ctx, id); err != nil {
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return fmt.Errorf("删除反馈失败: %w", err)
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}
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return nil
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}
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// GetStatistics 获取反馈统计信息
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func (s *UserFeedbackService) GetStatistics(ctx context.Context) (map[string]interface{}, error) {
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stats, err := s.storage.GetStatistics(ctx)
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if err != nil {
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return nil, fmt.Errorf("获取统计信息失败: %w", err)
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}
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return stats, nil
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}
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// parseTimeString 解析时间字符串
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func parseTimeString(timeStr string) error {
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// 支持多种时间格式
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formats := []string{
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"2006-01-02 15:04:05",
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"2006-01-02",
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"2006/01/02 15:04:05",
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"2006/01/02",
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}
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// 先检查是否是时间戳格式
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if _, err := strconv.ParseInt(timeStr, 10, 64); err == nil {
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return nil // 时间戳格式
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}
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// 检查其他时间格式
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for _, format := range formats {
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// 这里可以添加实际的时间解析逻辑，暂时跳过
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_ = format
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}
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return fmt.Errorf("时间格式无效")
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}
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// hasHTTPPrefix 判断字符串是否为 http/https URL
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func hasHTTPPrefix(s string) bool {
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// 此函数在此服务中已不再需要，但保留以避免潜在编译错误，或者可以在此被移除
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return false
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}
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// joinURL 已废弃，改为强制预签名
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