user-system/internal/api/handler/stats_handler.go

package handler

import (
	"net/http"

	"github.com/gin-gonic/gin"

	"github.com/user-management-system/internal/service"
)

// StatsHandler handles statistics requests
type StatsHandler struct {
	statsService *service.StatsService
}

// NewStatsHandler creates a new StatsHandler
func NewStatsHandler(statsService *service.StatsService) *StatsHandler {
	return &StatsHandler{statsService: statsService}
}

func (h *StatsHandler) GetDashboard(c *gin.Context) {
	stats, err := h.statsService.GetDashboardStats(c.Request.Context())
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "获取仪表盘数据失败"})
		return
	}
	c.JSON(http.StatusOK, gin.H{"code": 0, "message": "success", "data": stats})
}

func (h *StatsHandler) GetUserStats(c *gin.Context) {
	stats, err := h.statsService.GetUserStats(c.Request.Context())
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "获取用户统计失败"})
		return
	}
	c.JSON(http.StatusOK, gin.H{"code": 0, "message": "success", "data": stats})
}