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fix(stars): sync filter transaction history by direction

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This commit is contained in:
iamxvbaba 2026-08-02 01:51:02 +08:00
parent 94f3843d23
commit 3a123f38db
19 changed files with 559 additions and 135 deletions
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46
internal/store/memory/stars.go
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@ -93,12 +93,13 @@ func (s *StarsStore) Debit(_ context.Context, userID, amount int64, reason domai
return domain.StarsBalance{UserID: userID, Balance: st.balance, Granted: st.granted}, nil
}
func (s *StarsStore) ListTransactions(_ context.Context, userID int64, offset string, limit int) (domain.StarsTransactionPage, error) {
func (s *StarsStore) ListTransactions(_ context.Context, userID int64, query domain.StarsTransactionQuery) (domain.StarsTransactionPage, error) {
if userID == 0 {
return domain.StarsTransactionPage{}, nil
}
if limit <= 0 || limit > domain.MaxStarsTransactionsLimit {
limit = domain.MaxStarsTransactionsLimit
query, err := domain.NormalizeStarsTransactionQuery(query)
if err != nil {
return domain.StarsTransactionPage{}, err
}
s.mu.Lock()
defer s.mu.Unlock()
@ -107,22 +108,35 @@ func (s *StarsStore) ListTransactions(_ context.Context, userID int64, offset st
return domain.StarsTransactionPage{}, nil
}
page := domain.StarsTransactionPage{Balance: st.balance}
cursor, hasCursor := domain.DecodeStarsCursor(offset)
// 倒序遍历（id DESC）。
out := make([]domain.StarsTransaction, 0, limit)
for i := len(st.txns) - 1; i >= 0; i-- {
t := st.txns[i]
if hasCursor && t.ID >= cursor {
continue
cursor, hasCursor := domain.DecodeStarsCursor(query.Offset)
out := make([]domain.StarsTransaction, 0, query.Limit+1)
appendMatch := func(t domain.StarsTransaction) bool {
if hasCursor {
if query.Ascending && t.ID <= cursor {
return false
}
if !query.Ascending && t.ID >= cursor {
return false
}
}
if !query.Direction.IncludesAmount(t.Amount) {
return false
}
out = append(out, t)
if len(out) == limit {
// 还有更早的流水则给出下一页游标。
if i-1 >= 0 {
page.NextOffset = domain.EncodeStarsCursor(t.ID)
}
break
return len(out) > query.Limit
}
if query.Ascending {
for i := 0; i < len(st.txns) && len(out) <= query.Limit; i++ {
appendMatch(st.txns[i])
}
} else {
for i := len(st.txns) - 1; i >= 0 && len(out) <= query.Limit; i-- {
appendMatch(st.txns[i])
}
}
if len(out) > query.Limit {
out = out[:query.Limit]
page.NextOffset = domain.EncodeStarsCursor(out[len(out)-1].ID)
}
page.Transactions = out
return page, nil