gatewayip.go 4.9 KB

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  1. package repository
  2. import (
  3. "context"
  4. "fmt"
  5. v1 "github.com/go-nunu/nunu-layout-advanced/api/v1"
  6. "github.com/go-nunu/nunu-layout-advanced/internal/model"
  7. "gorm.io/gorm"
  8. )
  9. type GatewayipRepository interface {
  10. GetGatewayip(ctx context.Context, id int64) (*model.Gatewayip, error)
  11. AddGatewayip(ctx context.Context, req model.Gatewayip) error
  12. EditGatewayip(ctx context.Context, req model.Gatewayip) error
  13. DeleteGatewayip(ctx context.Context, req model.Gatewayip) error
  14. GetGatewayipByHostIdFirst(ctx context.Context, hostId int64) (string, error)
  15. GetGatewayipByHostIdAll(ctx context.Context, hostId int64) (*model.Gatewayip, error)
  16. UpdateGatewayipByHostId(ctx context.Context, req model.Gatewayip) error
  17. DeleteGatewayipByHostId(ctx context.Context, hostId int64) error
  18. GetIpWhereHostIdNull(ctx context.Context,req v1.GlobalLimitRequireResponse) error
  19. CleanIPByHostId(ctx context.Context, hostId []int64) error
  20. GetGatewayipOnlyIpByHostIdAll(ctx context.Context, hostId int64) ([]string, error)
  21. }
  22. func NewGatewayipRepository(
  23. repository *Repository,
  24. ) GatewayipRepository {
  25. return &gatewayipRepository{
  26. Repository: repository,
  27. }
  28. }
  29. type gatewayipRepository struct {
  30. *Repository
  31. }
  32. func (r *gatewayipRepository) GetGatewayip(ctx context.Context, id int64) (*model.Gatewayip, error) {
  33. var req model.Gatewayip
  34. return &req, r.DB(ctx).Where("id = ?", id).First(&req).Error
  35. }
  36. func (r *gatewayipRepository) AddGatewayip(ctx context.Context, req model.Gatewayip) error {
  37. return r.DB(ctx).Create(&req).Error
  38. }
  39. func (r *gatewayipRepository) EditGatewayip(ctx context.Context, req model.Gatewayip) error {
  40. return r.DB(ctx).Model(&model.Gatewayip{}).Where("id = ?", req.Id).Updates(req).Error
  41. }
  42. func (r *gatewayipRepository) DeleteGatewayip(ctx context.Context, req model.Gatewayip) error {
  43. return r.DB(ctx).Model(&model.Gatewayip{}).Where("id = ?", req.Id).Delete(req).Error
  44. }
  45. func (r *gatewayipRepository) GetGatewayipByHostIdFirst(ctx context.Context, hostId int64) (string, error) {
  46. var req string
  47. return req, r.DB(ctx).Model(&model.Gatewayip{}).Where("host_id = ?", hostId).Pluck("ip", &req).Error
  48. }
  49. func (r *gatewayipRepository) GetGatewayipByHostIdAll(ctx context.Context, hostId int64) (*model.Gatewayip, error) {
  50. var req model.Gatewayip
  51. return &req, r.DB(ctx).Where("host_id = ?", hostId).Find(&req).Error
  52. }
  53. func (r *gatewayipRepository) UpdateGatewayipByHostId(ctx context.Context, req model.Gatewayip) error {
  54. return r.DB(ctx).Where("host_id = ?", req.HostId).Updates(&req).Error
  55. }
  56. func (r *gatewayipRepository) DeleteGatewayipByHostId(ctx context.Context, hostId int64) error {
  57. return r.DB(ctx).Model(&model.Gatewayip{}).Where("host_id = ?", hostId).Delete(&model.Gatewayip{}).Error
  58. }
  59. func (r *gatewayipRepository) GetIpWhereHostIdNull(ctx context.Context,req v1.GlobalLimitRequireResponse) error {
  60. if req.IpCount <= 0 {
  61. return fmt.Errorf("套餐IP数量错误, 请联系客服")
  62. }
  63. if req.HostId <= 0 {
  64. return fmt.Errorf("主机ID错误, 请联系客服")
  65. }
  66. // 使用事务保证操作的原子性
  67. return r.DB(ctx).Transaction(func(tx *gorm.DB) error {
  68. var idsToAssign []uint // 只需一个切片来接收ID
  69. // 步骤 1: 查询所需数量的可用IP ID。使用 Limit 可以提升性能,避免捞出所有可用IP。
  70. err := tx.Model(&model.Gatewayip{}).
  71. Where("operator = ?", req.Operator).
  72. Where("ban_udp = ?", req.IsBanUdp).
  73. Where("ban_overseas = ?", req.IsBanOverseas).
  74. Where("node_area = ?",req.NodeArea).
  75. Where("host_id IS NULL OR host_id = ?", 0).
  76. Order("id ASC").
  77. Limit(req.IpCount). // 优化点:直接用Limit限制查询数量
  78. Pluck("id", &idsToAssign).Error
  79. if err != nil {
  80. return err // 查询出错,事务回滚
  81. }
  82. // 步骤 2: 判断实际查到的数量是否足够
  83. if len(idsToAssign) < req.IpCount {
  84. return fmt.Errorf("库存不足, 请联系客服补充") // 数量不足,返回特定错误,事务回滚
  85. }
  86. // 步骤 3: 更新这些IP的 host_id
  87. // 注意:因为上面已经Limit了,所以idsToAssign的长度就是我们要更新的数量
  88. updateResult := tx.Model(&model.Gatewayip{}).
  89. Where("id IN ?", idsToAssign).
  90. Update("host_id", req.HostId)
  91. if updateResult.Error != nil {
  92. return updateResult.Error // 更新失败,事务回滚
  93. }
  94. // (可选) 健壮性检查
  95. if updateResult.RowsAffected != int64(req.IpCount) {
  96. return fmt.Errorf("IP分配异常: 期望更新 %d 条记录, 实际更新了 %d 条", req.IpCount, updateResult.RowsAffected)
  97. }
  98. // 返回 nil, GORM 会提交事务
  99. return nil
  100. })
  101. }
  102. func (r *gatewayipRepository) CleanIPByHostId(ctx context.Context, hostId []int64) error {
  103. return r.DB(ctx).Model(&model.Gatewayip{}).Where("host_id IN ?", hostId).Update("host_id", 0).Error
  104. }
  105. func (r *gatewayipRepository) GetGatewayipOnlyIpByHostIdAll(ctx context.Context, hostId int64) ([]string, error) {
  106. var req []string
  107. return req, r.DB(ctx).Model(&model.Gatewayip{}).Where("host_id = ?", hostId).Pluck("ip", &req).Error
  108. }