refactor: remove company management APIs

services/dashboard_service.go

@@ -0,0 +1,64 @@
+package services
+
+import (
+	"errors"
+
+	"git.beifan.cn/trace-system/backend-go/database"
+	"git.beifan.cn/trace-system/backend-go/models"
+)
+
+// DashboardService 控制台统计服务
+type DashboardService struct{}
+
+// GetStats 获取控制台工单统计
+func (s *DashboardService) GetStats() (map[string]any, error) {
+	var aftersales []models.AftersalesOrder
+	if err := database.DB.Preload("Technician").Order("created_at DESC").Find(&aftersales).Error; err != nil {
+		return nil, errors.New("查询售后工单统计失败")
+	}
+
+	aftersalesTotal := len(aftersales)
+	aftersalesPending := 0
+	aftersalesClosed := 0
+	aftersalesRejected := 0
+	for _, order := range aftersales {
+		switch order.WorkOrderStatus {
+		case "pending_confirmation":
+			aftersalesPending++
+		case "closed":
+			aftersalesClosed++
+		case "rejected":
+			aftersalesRejected++
+		}
+	}
+
+	recentAftersales := make([]map[string]any, 0)
+	for i, order := range aftersales {
+		if i >= 10 {
+			break
+		}
+		technicianName := ""
+		if order.Technician != nil {
+			technicianName = order.Technician.Name
+		}
+		recentAftersales = append(recentAftersales, map[string]any{
+			"serialNumber":        order.SerialNumber,
+			"companyName":         order.CompanyName,
+			"serviceType":         order.ServiceType,
+			"workOrderStatus":     order.WorkOrderStatus,
+			"authorizationStatus": order.AuthorizationStatus,
+			"technicianName":      technicianName,
+			"createdAt":           order.CreatedAt,
+		})
+	}
+
+	return map[string]any{
+		"overview": map[string]any{
+			"totalAftersales":     aftersalesTotal,
+			"pendingConfirmation": aftersalesPending,
+			"closedAftersales":    aftersalesClosed,
+			"rejectedAftersales":  aftersalesRejected,
+		},
+		"recentAftersales": recentAftersales,
+	}, nil
+}