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Fix redis empty category #982

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Fix redis empty category #982

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e451d30
Fix redis panic on handle empty category
madafoo Apr 25, 2025
9568568
Fix empty feedback record panic
madafoo Apr 25, 2025
ab69c99
Empty category(default item category value) is also valid
madafoo Apr 30, 2025
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2 changes: 1 addition & 1 deletion server/rest.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1872,7 +1872,7 @@ func (s *RestServer) getTypedUserItemFeedback(request *restful.Request, response
itemId := request.PathParameter("item-id")
if feedback, err := s.DataClient.GetUserItemFeedback(ctx, userId, itemId, feedbackType); err != nil {
InternalServerError(response, err)
} else if feedbackType == "" {
} else if feedbackType == "" || len(feedback) == 0 {
Text(response, "{}")
} else {
Ok(response, feedback[0])
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4 changes: 4 additions & 0 deletions storage/cache/redis.go
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Original file line number Diff line number Diff line change
Expand Up @@ -475,6 +475,9 @@ func decodeCategory(s string) (string, error) {
if err != nil {
return "", errors.Trace(err)
}
if len(b) == 0 {
return "", nil
}
return string(b[1:]), nil
}

Expand All @@ -496,6 +499,7 @@ func decodeCategories(s string) ([]string, error) {
if err != nil {
return nil, errors.Trace(err)
}
// category = "" is also a valid category
categories = append(categories, category)
}
return categories, nil
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