feat: 初始提交云印享付费打印服务后端

cloudprint-backend/internal/grpc/service/admin_service.go

@@ -0,0 +1,68 @@
+package service
+
+import (
+	"context"
+
+	"github.com/cloudprint/cloudprint-backend/internal/repository"
+	"github.com/cloudprint/cloudprint-backend/internal/service"
+	pb "github.com/cloudprint/cloudprint-backend/proto/generated"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+type AdminServiceServer struct {
+	pb.UnimplementedAdminServiceServer
+	authService *service.AuthService
+	orderRepo   *repository.OrderRepository
+	printerRepo *repository.PrinterRepository
+}
+
+func NewAdminServiceServer(
+	authService *service.AuthService,
+	orderRepo *repository.OrderRepository,
+	printerRepo *repository.PrinterRepository,
+) *AdminServiceServer {
+	return &AdminServiceServer{
+		authService: authService,
+		orderRepo:   orderRepo,
+		printerRepo: printerRepo,
+	}
+}
+
+func (s *AdminServiceServer) Login(ctx context.Context, req *pb.AdminLoginRequest) (*pb.AdminLoginResponse, error) {
+	result, err := s.authService.AdminLogin(ctx, req.Username, req.Password)
+	if err != nil {
+		return nil, status.Errorf(codes.Unauthenticated, "login failed: %v", err)
+	}
+
+	return &pb.AdminLoginResponse{
+		AccessToken: result.AccessToken,
+		Admin: &pb.Admin{
+			Id:       result.Admin.ID,
+			Username: result.Admin.Username,
+			Nickname: result.Admin.Nickname,
+			Role:     int32(result.Admin.Role),
+		},
+	}, nil
+}
+
+func (s *AdminServiceServer) GetStatistics(ctx context.Context, req *pb.GetStatisticsRequest) (*pb.Statistics, error) {
+	totalUsers, totalOrders, todayOrders, todayRevenue, pendingOrders, err := s.orderRepo.GetStatistics(ctx)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "get statistics failed: %v", err)
+	}
+
+	activePrinters, err := s.printerRepo.CountActive(ctx)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "get printer count failed: %v", err)
+	}
+
+	return &pb.Statistics{
+		TotalUsers:     totalUsers,
+		TotalOrders:    totalOrders,
+		TodayOrders:    todayOrders,
+		TodayRevenue:   todayRevenue,
+		PendingOrders:  pendingOrders,
+		ActivePrinters: int32(activePrinters),
+	}, nil
+}