break
5c4d17e9fc
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完成运营商实名回调、业务事件观测序列与受控配置装配，同时恢复 UR43 已交付的 packages[].remove 字段及旧响应兼容，统一更新 OpenSpec、OpenAPI 和交付文档。 Constraint: 七月测试环境里程碑不新增或运行自动化测试 Rejected: 以必填 operation_type 替换 packages[].remove | 会破坏已交付前端契约 Confidence: high Scope-risk: broad Directive: 后续修改系列套餐管理接口必须保持 packages[].remove 和 ShopSeriesGrantResponse 兼容 Tested: go run ./cmd/gendocs；go build -buildvcs=false ./...；openspec validate complete-july-iteration-test-release --strict；git diff --check Not-tested: 按本 Change 约定未运行 go test，真实运营商与 Gateway 联调延期
50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
// Package cardtrafficlock 提供卡流量上游请求的统一 Redis 互斥。
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package cardtrafficlock
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import (
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"context"
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"github.com/google/uuid"
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"github.com/redis/go-redis/v9"
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"github.com/break/junhong_cmp_fiber/pkg/constants"
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)
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var releaseScript = redis.NewScript(`
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if redis.call('GET', KEYS[1]) == ARGV[1] then
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return redis.call('DEL', KEYS[1])
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end
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return 0
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`)
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// Lock 统一卡流量上游请求互斥，防止过期持有者误删新锁。
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type Lock struct {
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redis *redis.Client
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}
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// New 创建卡流量请求锁。
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func New(redisClient *redis.Client) *Lock {
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return &Lock{redis: redisClient}
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}
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// Acquire 使用随机令牌获取至少覆盖完整 Gateway 重试窗口的卡级锁。
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func (l *Lock) Acquire(ctx context.Context, cardID uint) (string, bool, error) {
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if l == nil || l.redis == nil {
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return "", true, nil
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}
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token := uuid.NewString()
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acquired, err := l.redis.SetNX(ctx, constants.RedisCardTrafficSyncLockKey(cardID), token, constants.CardObservationGatewayLockTTL).Result()
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if err != nil || !acquired {
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return "", acquired, err
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}
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return token, true, nil
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}
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// Release 仅由仍持有相同随机令牌的调用方释放卡级锁。
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func (l *Lock) Release(ctx context.Context, cardID uint, token string) error {
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if l == nil || l.redis == nil || token == "" {
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return nil
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}
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return releaseScript.Run(ctx, l.redis, []string{constants.RedisCardTrafficSyncLockKey(cardID)}, token).Err()
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}
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