f

internal/domains/subordinate/entities/invitation.go

@@ -0,0 +1,46 @@
+package entities
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+// InvitationStatus 邀请状态
+type InvitationStatus string
+
+const (
+	InvitationStatusPending  InvitationStatus = "pending"
+	InvitationStatusConsumed InvitationStatus = "consumed"
+	InvitationStatusRevoked  InvitationStatus = "revoked"
+)
+
+// SubordinateInvitation 主账号邀请记录（存 token 哈希）
+type SubordinateInvitation struct {
+	ID         string `gorm:"primaryKey;type:varchar(36)" json:"id" comment:"唯一标识"`
+	ParentUserID string `gorm:"type:varchar(36);not null;index" json:"parent_user_id" comment:"主账号用户ID"`
+	TokenHash  string `gorm:"type:varchar(64);not null;uniqueIndex" json:"-" comment:"邀请码的SHA256(十六进制)"`
+	ExpiresAt  time.Time `gorm:"not null;index" json:"expires_at" comment:"过期时间"`
+	Status     InvitationStatus `gorm:"type:varchar(20);not null;default:pending" json:"status" comment:"状态"`
+
+	ConsumedByUserID *string    `gorm:"type:varchar(36);index" json:"consumed_by_user_id,omitempty" comment:"核销后的子账号用户ID"`
+	ConsumedAt       *time.Time `json:"consumed_at,omitempty" comment:"核销时间"`
+
+	CreatedAt time.Time      `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+}
+
+// TableName 表名
+func (SubordinateInvitation) TableName() string {
+	return "subordinate_invitations"
+}
+
+// BeforeCreate 生成ID
+func (i *SubordinateInvitation) BeforeCreate(tx *gorm.DB) error {
+	if i.ID == "" {
+		i.ID = uuid.New().String()
+	}
+	return nil
+}

internal/domains/subordinate/entities/link.go

@@ -0,0 +1,42 @@
+package entities
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+// LinkStatus 主从关系状态
+type LinkStatus string
+
+const (
+	LinkStatusActive  LinkStatus = "active"
+	LinkStatusRevoked LinkStatus = "revoked"
+)
+
+// UserSubordinateLink 主账号与下属关系
+type UserSubordinateLink struct {
+	ID         string `gorm:"primaryKey;type:varchar(36)" json:"id" comment:"唯一标识"`
+	ParentUserID string `gorm:"type:varchar(36);not null;index:idx_parent,priority:1" json:"parent_user_id" comment:"主账号用户ID"`
+	ChildUserID  string `gorm:"type:varchar(36);not null;uniqueIndex" json:"child_user_id" comment:"子账号用户ID(唯一)"`
+	InvitationID *string `gorm:"type:varchar(36);index" json:"invitation_id,omitempty" comment:"关联的邀请ID"`
+	Status     LinkStatus `gorm:"type:varchar(20);not null;default:active" json:"status" comment:"状态"`
+
+	CreatedAt time.Time      `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+}
+
+// TableName 表名
+func (UserSubordinateLink) TableName() string {
+	return "user_subordinate_links"
+}
+
+// BeforeCreate 生成ID
+func (l *UserSubordinateLink) BeforeCreate(tx *gorm.DB) error {
+	if l.ID == "" {
+		l.ID = uuid.New().String()
+	}
+	return nil
+}

internal/domains/subordinate/entities/wallet_allocation.go

@@ -0,0 +1,36 @@
+package entities
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/shopspring/decimal"
+	"gorm.io/gorm"
+)
+
+// SubordinateWalletAllocation 主账号向下属余额划拨记录
+type SubordinateWalletAllocation struct {
+	ID            string          `gorm:"primaryKey;type:varchar(36)" json:"id" comment:"唯一标识"`
+	FromUserID    string          `gorm:"type:varchar(36);not null;index" json:"from_user_id" comment:"主账号用户ID"`
+	ToUserID      string          `gorm:"type:varchar(36);not null;index" json:"to_user_id" comment:"子账号用户ID"`
+	Amount        decimal.Decimal `gorm:"type:decimal(20,8);not null" json:"amount" comment:"金额"`
+	BusinessRef   string          `gorm:"type:varchar(64);not null;index" json:"business_ref" comment:"业务单号(幂等/对账)"`
+	OperatorUserID string         `gorm:"type:varchar(36);not null" json:"operator_user_id" comment:"操作者(一般同主账号)"`
+
+	CreatedAt time.Time      `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+}
+
+// TableName 表名
+func (SubordinateWalletAllocation) TableName() string {
+	return "subordinate_wallet_allocations"
+}
+
+// BeforeCreate 生成ID
+func (a *SubordinateWalletAllocation) BeforeCreate(tx *gorm.DB) error {
+	if a.ID == "" {
+		a.ID = uuid.New().String()
+	}
+	return nil
+}

internal/domains/subordinate/repositories/subordinate_repository_interface.go

@@ -0,0 +1,31 @@
+package repositories
+
+import (
+	"context"
+	"time"
+	"tyapi-server/internal/domains/subordinate/entities"
+)
+
+// SubordinateRepository 下属模块仓储
+type SubordinateRepository interface {
+	// 邀请
+	CreateInvitation(ctx context.Context, inv *entities.SubordinateInvitation) error
+	FindInvitationByTokenHash(ctx context.Context, tokenHash string) (*entities.SubordinateInvitation, error)
+	FindInvitationByID(ctx context.Context, id string) (*entities.SubordinateInvitation, error)
+	UpdateInvitation(ctx context.Context, inv *entities.SubordinateInvitation) error
+	ConsumeInvitation(ctx context.Context, invitationID, childUserID string, consumedAt time.Time) (bool, error)
+	ListInvitationsByParent(ctx context.Context, parentUserID string, limit, offset int) ([]*entities.SubordinateInvitation, int64, error)
+
+	// 主从
+	CreateLink(ctx context.Context, link *entities.UserSubordinateLink) error
+	FindLinkByChildUserID(ctx context.Context, childUserID string) (*entities.UserSubordinateLink, error)
+	FindLinkByParentAndChild(ctx context.Context, parentUserID, childUserID string) (*entities.UserSubordinateLink, error)
+	ListChildrenByParent(ctx context.Context, parentUserID string, limit, offset int) ([]*entities.UserSubordinateLink, int64, error)
+	UpdateLink(ctx context.Context, link *entities.UserSubordinateLink) error
+	// 是否存在子账号关系（任意子账号）
+	IsUserSubordinate(ctx context.Context, userID string) (bool, error)
+
+	// 划拨
+	CreateWalletAllocation(ctx context.Context, a *entities.SubordinateWalletAllocation) error
+	ListWalletAllocationsByParentAndChild(ctx context.Context, parentUserID, childUserID string, limit, offset int) ([]*entities.SubordinateWalletAllocation, int64, error)
+}