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Files
nex/backend/internal/handler/stats_handler.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

107 lines
2.4 KiB
Go

package handler
import (
"net/http"
"time"
"github.com/gin-gonic/gin"
"nex/backend/internal/service"
)
// StatsHandler 统计处理器
type StatsHandler struct {
statsService service.StatsService
}
// NewStatsHandler 创建统计处理器
func NewStatsHandler(statsService service.StatsService) *StatsHandler {
return &StatsHandler{statsService: statsService}
}
// GetStats 查询统计
func (h *StatsHandler) GetStats(c *gin.Context) {
providerID := c.Query("provider_id")
modelName := c.Query("model_name")
startDateStr := c.Query("start_date")
endDateStr := c.Query("end_date")
var startDate, endDate *time.Time
if startDateStr != "" {
t, err := time.Parse("2006-01-02", startDateStr)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{
"error": "无效的 start_date 格式,应为 YYYY-MM-DD",
})
return
}
startDate = &t
}
if endDateStr != "" {
t, err := time.Parse("2006-01-02", endDateStr)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{
"error": "无效的 end_date 格式,应为 YYYY-MM-DD",
})
return
}
endDate = &t
}
stats, err := h.statsService.Get(providerID, modelName, startDate, endDate)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"error": "查询统计失败: " + err.Error(),
})
return
}
c.JSON(http.StatusOK, stats)
}
// AggregateStats 聚合统计
func (h *StatsHandler) AggregateStats(c *gin.Context) {
providerID := c.Query("provider_id")
modelName := c.Query("model_name")
startDateStr := c.Query("start_date")
endDateStr := c.Query("end_date")
groupBy := c.Query("group_by")
var startDate, endDate *time.Time
if startDateStr != "" {
t, err := time.Parse("2006-01-02", startDateStr)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{
"error": "无效的 start_date 格式,应为 YYYY-MM-DD",
})
return
}
startDate = &t
}
if endDateStr != "" {
t, err := time.Parse("2006-01-02", endDateStr)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{
"error": "无效的 end_date 格式,应为 YYYY-MM-DD",
})
return
}
endDate = &t
}
stats, err := h.statsService.Get(providerID, modelName, startDate, endDate)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"error": "查询统计失败: " + err.Error(),
})
return
}
result := h.statsService.Aggregate(stats, groupBy)
c.JSON(http.StatusOK, result)
}