func search(user content.User, searchIndex readeef.SearchIndex, query, highlight, feedId string) (resp responseError) {
resp = newResponse()
if strings.HasPrefix(feedId, "tag:") {
tag := user.Repo().Tag(user)
tag.Value(data.TagValue(feedId[4:]))
tag.Highlight(highlight)
resp.val["Articles"], resp.err = tag.Query(query, searchIndex.Index), tag.Err()
} else {
if id, err := strconv.ParseInt(feedId, 10, 64); err == nil {
f := user.FeedById(data.FeedId(id))
resp.val["Articles"], resp.err = f.Query(query, searchIndex.Index), f.Err()
} else {
user.Highlight(highlight)
resp.val["Articles"], resp.err = user.Query(query, searchIndex.Index), user.Err()
}
}
return
}