First commit

backend/internal/repository/repository.go

@@ -0,0 +1,74 @@
+package repository
+
+import (
+	"gorm.io/gorm"
+)
+
+// Repositories 所有仓库的集合
+type Repositories struct {
+	User             *UserRepository
+	ApiKey           *ApiKeyRepository
+	Group            *GroupRepository
+	Account          *AccountRepository
+	Proxy            *ProxyRepository
+	RedeemCode       *RedeemCodeRepository
+	UsageLog         *UsageLogRepository
+	Setting          *SettingRepository
+	UserSubscription *UserSubscriptionRepository
+}
+
+// NewRepositories 创建所有仓库
+func NewRepositories(db *gorm.DB) *Repositories {
+	return &Repositories{
+		User:             NewUserRepository(db),
+		ApiKey:           NewApiKeyRepository(db),
+		Group:            NewGroupRepository(db),
+		Account:          NewAccountRepository(db),
+		Proxy:            NewProxyRepository(db),
+		RedeemCode:       NewRedeemCodeRepository(db),
+		UsageLog:         NewUsageLogRepository(db),
+		Setting:          NewSettingRepository(db),
+		UserSubscription: NewUserSubscriptionRepository(db),
+	}
+}
+
+// PaginationParams 分页参数
+type PaginationParams struct {
+	Page     int
+	PageSize int
+}
+
+// PaginationResult 分页结果
+type PaginationResult struct {
+	Total    int64
+	Page     int
+	PageSize int
+	Pages    int
+}
+
+// DefaultPagination 默认分页参数
+func DefaultPagination() PaginationParams {
+	return PaginationParams{
+		Page:     1,
+		PageSize: 20,
+	}
+}
+
+// Offset 计算偏移量
+func (p PaginationParams) Offset() int {
+	if p.Page < 1 {
+		p.Page = 1
+	}
+	return (p.Page - 1) * p.PageSize
+}
+
+// Limit 获取限制数
+func (p PaginationParams) Limit() int {
+	if p.PageSize < 1 {
+		return 20
+	}
+	if p.PageSize > 100 {
+		return 100
+	}
+	return p.PageSize
+}