Function GET

Returns Promise<
    | NextResponse<{ error: string }>
    | NextResponse<
        {
            kpis: {
                totalClients: number;
                totalLeads: number;
                totalOffers: number;
                totalOrders: number;
                totalInvoices: number;
                totalRevenue: number;
                averageOrderValue: number;
                conversionRate: number;
            };
            charts: {
                offersByStatus: { status: SalesOfferStatus; count: number }[];
                ordersByStatus: { status: SalesOrderStatus; count: number }[];
                invoicesByStatus: { status: InvoiceStatus; count: number }[];
                opportunitiesByStage: { stage: BusinessOpportunityStage; count: number }[];
                opportunitiesByStatus: { status: OpportunityStatus; count: number }[];
                clientsByType: { type: string; count: number }[];
                leadsByStatus: { status: string; count: number }[];
            };
            timeSeries: {
                monthlyRevenue: { date: Date; revenue: number; count: number }[];
                monthlyOrders: { date: Date; amount: number; count: number }[];
                monthlyOffers: { date: Date; count: number }[];
            };
            topPerformers: {
                topClients: {
                    id: string;
                    name: string;
                    revenue: number;
                    ordersCount: number;
                }[];
                topProducts: {
                    id: string;
                    name: string;
                    code: string;
                    quantitySold: number;
                    revenue: number;
                }[];
            };
            recentClients: {}[];
            clientsList: { id: string; name: string; type: string }[];
            period: string;
            startDate: Date;
            endDate: Date;
        },
    >,
>