SidharthPL/Canteen-Management-System
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Purchase Dashboard functionality added.

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This commit is contained in:
Sidharth Prabhu
2026-04-20 10:14:48 +05:30
parent 7691ab31c7
commit 4ef59700f3
6 changed files with 219 additions and 40 deletions
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6
backend/src/main/java/com/rit/canteen/sales/controller/DashboardController.java
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@@ -1,6 +1,7 @@
package com.rit.canteen.sales.controller;
import com.rit.canteen.sales.model.GeneralDashboardData;
import com.rit.canteen.sales.model.ProcurementDashboardData;
import com.rit.canteen.sales.model.Order;
import com.rit.canteen.sales.service.DashboardService;
import org.springframework.beans.factory.annotation.Autowired;
@@ -25,6 +26,11 @@ public class DashboardController {
return dashboardService.getGeneralDashboardData(from, to);
}
@GetMapping("/procurement")
public ProcurementDashboardData getProcurementStats() {
return dashboardService.getProcurementDashboardData();
}
@GetMapping("/recent-orders")
public List<Order> getRecentOrders() {
return dashboardService.getRecentOrders();

12
backend/src/main/java/com/rit/canteen/sales/model/DashboardStats.java
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@@ -6,15 +6,19 @@ public class DashboardStats {
private int activeOrders;
private int dailyCustomers;
private double growth;
private long totalExpenses;
private long periodExpenses;
public DashboardStats() {}
public DashboardStats(long totalSales, long periodRevenue, int activeOrders, int dailyCustomers, double growth) {
public DashboardStats(long totalSales, long periodRevenue, int activeOrders, int dailyCustomers, double growth, long totalExpenses, long periodExpenses) {
this.totalSales = totalSales;
this.periodRevenue = periodRevenue;
this.activeOrders = activeOrders;
this.dailyCustomers = dailyCustomers;
this.growth = growth;
this.totalExpenses = totalExpenses;
this.periodExpenses = periodExpenses;
}
public long getTotalSales() { return totalSales; }
@@ -31,4 +35,10 @@ public class DashboardStats {
public double getGrowth() { return growth; }
public void setGrowth(double growth) { this.growth = growth; }
public long getTotalExpenses() { return totalExpenses; }
public void setTotalExpenses(long totalExpenses) { this.totalExpenses = totalExpenses; }
public long getPeriodExpenses() { return periodExpenses; }
public void setPeriodExpenses(long periodExpenses) { this.periodExpenses = periodExpenses; }
}

27
backend/src/main/java/com/rit/canteen/sales/model/ProcurementDashboardData.java Normal file
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@@ -0,0 +1,27 @@
package com.rit.canteen.sales.model;
import java.util.List;
import java.util.Map;
public class ProcurementDashboardData {
private Map<String, Object> stats;
private List<Map<String, Object>> trends;
private List<Map<String, Object>> topVendors;
public ProcurementDashboardData() {}
public ProcurementDashboardData(Map<String, Object> stats, List<Map<String, Object>> trends, List<Map<String, Object>> topVendors) {
this.stats = stats;
this.trends = trends;
this.topVendors = topVendors;
}
public Map<String, Object> getStats() { return stats; }
public void setStats(Map<String, Object> stats) { this.stats = stats; }
public List<Map<String, Object>> getTrends() { return trends; }
public void setTrends(List<Map<String, Object>> trends) { this.trends = trends; }
public List<Map<String, Object>> getTopVendors() { return topVendors; }
public void setTopVendors(List<Map<String, Object>> topVendors) { this.topVendors = topVendors; }
}

59
backend/src/main/java/com/rit/canteen/sales/service/DashboardService.java
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@@ -5,6 +5,9 @@ import com.rit.canteen.sales.model.GeneralDashboardData;
import com.rit.canteen.sales.model.Order;
import com.rit.canteen.sales.model.TrendingItem;
import com.rit.canteen.sales.repository.OrderRepository;
import com.rit.canteen.sales.repository.PurchaseOrderRepository;
import com.rit.canteen.sales.repository.VendorRepository;
import com.rit.canteen.sales.model.ProcurementDashboardData;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@@ -21,6 +24,12 @@ public class DashboardService {
@Autowired
private OrderRepository orderRepository;
@Autowired
private PurchaseOrderRepository purchaseOrderRepository;
@Autowired
private VendorRepository vendorRepository;
public GeneralDashboardData getGeneralDashboardData(LocalDateTime from, LocalDateTime to) {
if (from == null) from = LocalDate.now().atStartOfDay();
if (to == null) to = LocalDate.now().atTime(LocalTime.MAX);
@@ -130,6 +139,12 @@ public class DashboardService {
BigDecimal todayRevenue = orderRepository.getRevenuePerPeriod(startOfToday, endOfToday);
BigDecimal yesterdayRevenue = orderRepository.getRevenuePerPeriod(startOfYesterday, endOfYesterday);
BigDecimal totalExpensesRaw = purchaseOrderRepository.getTotalPurchaseAmount();
long totalExpenses = totalExpensesRaw != null ? totalExpensesRaw.longValue() : 0;
BigDecimal periodExpensesRaw = purchaseOrderRepository.getTotalPurchaseAmountInRange(from, to);
long periodExpenses = periodExpensesRaw != null ? periodExpensesRaw.longValue() : 0;
double growth = 0;
if (yesterdayRevenue != null && yesterdayRevenue.compareTo(BigDecimal.ZERO) > 0) {
BigDecimal today = todayRevenue != null ? todayRevenue : BigDecimal.ZERO;
@@ -141,7 +156,49 @@ public class DashboardService {
growth = 100.0;
}
return new DashboardStats(totalSales, periodRevenue, activeOrders, dailyCustomers, growth);
return new DashboardStats(totalSales, periodRevenue, activeOrders, dailyCustomers, growth, totalExpenses, periodExpenses);
}
public ProcurementDashboardData getProcurementDashboardData() {
// 1. Stats
Map<String, Object> stats = new HashMap<>();
BigDecimal total = purchaseOrderRepository.getTotalPurchaseAmount();
stats.put("totalProcurement", total != null ? total : BigDecimal.ZERO);
stats.put("activeVendors", vendorRepository.count());
stats.put("pendingPOs", purchaseOrderRepository.countByStatus("OPEN"));
stats.put("fillRate", 94.2); // Derived or static for now
// 2. Trends (Last 6 entries)
List<Object[]> trendRaw = purchaseOrderRepository.getPurchaseTrend();
List<Map<String, Object>> trends = new ArrayList<>();
String[] months = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
for (int i = Math.max(0, trendRaw.size() - 6); i < trendRaw.size(); i++) {
Object[] row = trendRaw.get(i);
LocalDateTime date = (LocalDateTime) row[0];
Map<String, Object> point = new HashMap<>();
point.put("month", months[date.getMonthValue() - 1]);
point.put("purchases", row[1]);
point.put("orders", 1); // Sample for volume
trends.add(point);
}
// 3. Top Vendors
List<Object[]> vendorRaw = purchaseOrderRepository.getVendorSummary(
LocalDate.now().minusMonths(1).atStartOfDay(),
LocalDateTime.now()
);
List<Map<String, Object>> topVendors = new ArrayList<>();
for (Object[] row : vendorRaw) {
Map<String, Object> v = new HashMap<>();
v.put("name", row[0]);
v.put("volume", row[1]);
v.put("orders", row[2]);
v.put("color", "bg-indigo-100 text-indigo-600");
topVendors.add(v);
}
return new ProcurementDashboardData(stats, trends, topVendors);
}
public List<Order> getRecentOrders() {