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Files
nex/backend/internal/repository/stats_repo_impl.go
lanyuanxiaoyao f18904af1e feat: 实现分层架构,包含 domain、service、repository 和 pkg 层
- 新增 domain 层:model、provider、route、stats 实体
- 新增 service 层:models、providers、routing、stats 业务逻辑
- 新增 repository 层:models、providers、stats 数据访问
- 新增 pkg 工具包:errors、logger、validator
- 新增中间件:CORS、logging、recovery、request ID
- 新增数据库迁移:初始 schema 和索引
- 新增单元测试和集成测试
- 新增规范文档:config-management、database-migration、error-handling、layered-architecture、middleware-system、request-validation、structured-logging、test-coverage
- 移除 config 子包和 model_router(已迁移至分层架构)
2026-04-16 00:47:20 +08:00

80 lines
1.9 KiB
Go

package repository
import (
"errors"
"time"
"gorm.io/gorm"
"nex/backend/internal/config"
"nex/backend/internal/domain"
)
type statsRepository struct {
db *gorm.DB
}
func NewStatsRepository(db *gorm.DB) StatsRepository {
return &statsRepository{db: db}
}
func (r *statsRepository) Record(providerID, modelName string) error {
today := time.Now().Format("2006-01-02")
todayTime, _ := time.Parse("2006-01-02", today)
return r.db.Transaction(func(tx *gorm.DB) error {
var stats config.UsageStats
err := tx.Where("provider_id = ? AND model_name = ? AND date = ?",
providerID, modelName, todayTime).First(&stats).Error
if errors.Is(err, gorm.ErrRecordNotFound) {
stats = config.UsageStats{
ProviderID: providerID,
ModelName: modelName,
RequestCount: 1,
Date: todayTime,
}
return tx.Create(&stats).Error
} else if err != nil {
return err
}
return tx.Model(&stats).Update("request_count", gorm.Expr("request_count + 1")).Error
})
}
func (r *statsRepository) Query(providerID, modelName string, startDate, endDate *time.Time) ([]domain.UsageStats, error) {
var stats []config.UsageStats
query := r.db.Model(&config.UsageStats{})
if providerID != "" {
query = query.Where("provider_id = ?", providerID)
}
if modelName != "" {
query = query.Where("model_name = ?", modelName)
}
if startDate != nil {
query = query.Where("date >= ?", startDate)
}
if endDate != nil {
query = query.Where("date <= ?", endDate)
}
err := query.Order("date DESC").Find(&stats).Error
if err != nil {
return nil, err
}
result := make([]domain.UsageStats, len(stats))
for i := range stats {
result[i] = domain.UsageStats{
ID: stats[i].ID,
ProviderID: stats[i].ProviderID,
ModelName: stats[i].ModelName,
RequestCount: stats[i].RequestCount,
Date: stats[i].Date,
}
}
return result, nil
}