chore(be): 上传对象按月份分文件夹 uploads/YYYY-MM/
MD5 去重本来就有(相同内容直接返回已有记录不重传);对象名从 files/<md5> 改成 uploads/2026-07/<md5>,跨月的同内容仍走去重不重复占用。 Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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@@ -8,6 +8,7 @@ import (
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"io"
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"path"
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"strings"
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"time"
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"github.com/sundynix/pets-be/internal/model"
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)
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@@ -41,7 +42,9 @@ func (s *Service) UploadFile(reader io.Reader, filename, contentType string) (*m
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if contentType == "" {
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contentType = "application/octet-stream"
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}
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objectName := "files/" + md5hex + ext
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// 按上传月份分文件夹:uploads/2026-07/<md5>.jpg。文件名仍用 md5 保证唯一。
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// 同内容命中上面的去重直接复用,不会因为跨月再传一份
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objectName := "uploads/" + time.Now().Format("2006-01") + "/" + md5hex + ext
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url, err := s.storage.Upload(objectName, bytes.NewReader(data), int64(len(data)), contentType)
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if err != nil {
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return nil, err
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