feat: add realised vs unrealised value summary to TeamLeadsDashboard with pie chart visualization

src/app/api/dashboard/route.js

@@ -21,6 +21,20 @@ export async function GET(request) {
 		// Get all projects
 		const projects = getAllProjects();
 
+		// Calculate realised and unrealised values
+		let realisedValue = 0;
+		let unrealisedValue = 0;
+
+		projects.forEach(project => {
+			const value = parseFloat(project.wartosc_zlecenia) || 0;
+			if (project.project_status === 'fulfilled' && project.completion_date && project.wartosc_zlecenia) {
+				realisedValue += value;
+			} else if (project.wartosc_zlecenia && project.project_status !== 'cancelled') {
+				// Count all non-cancelled projects with values as unrealised
+				unrealisedValue += value;
+			}
+		});
+
 		// Filter completed projects (those with completion_date and fulfilled status)
 		const completedProjects = projects.filter(project =>
 			project.completion_date &&
@@ -30,6 +44,7 @@ export async function GET(request) {
 
 		// If no data, return sample data for demonstration
 		let chartData;
+		let summary;
 		if (completedProjects.length === 0) {
 			chartData = [
 				{ month: 'Jan 2024', value: 50000, cumulative: 50000 },
@@ -45,6 +60,10 @@ export async function GET(request) {
 				{ month: 'Nov 2024', value: 88000, cumulative: 863000 },
 				{ month: 'Dec 2024', value: 95000, cumulative: 958000 }
 			];
+			summary = {
+				realisedValue: 958000,
+				unrealisedValue: 1242000
+			};
 		} else {
 			// Group by month and calculate monthly totals first
 			const monthlyData = {};
@@ -84,9 +103,19 @@ export async function GET(request) {
 				value: Math.round(monthlyData[monthKey].value),
 				cumulative: Math.round(monthlyData[monthKey].cumulative)
 			}));
+			summary = {
+				realisedValue: Math.round(realisedValue),
+				unrealisedValue: Math.round(unrealisedValue)
+			};
 		}
 
-		return NextResponse.json(chartData);
+		return NextResponse.json({
+			chartData,
+			summary: {
+				realisedValue: Math.round(realisedValue),
+				unrealisedValue: Math.round(unrealisedValue)
+			}
+		});
 
 	} catch (error) {
 		console.error('Dashboard API error:', error);