Purchase Dashboard functionality added.

backend/src/main/java/com/rit/canteen/sales/controller/DashboardController.java

@@ -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();

backend/src/main/java/com/rit/canteen/sales/model/DashboardStats.java

@@ -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; }
 }

backend/src/main/java/com/rit/canteen/sales/model/ProcurementDashboardData.java

@@ -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; }
+}

backend/src/main/java/com/rit/canteen/sales/service/DashboardService.java

@@ -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() {

frontend/src/pages/Dashboard.tsx

@@ -7,7 +7,9 @@ import {
   ArrowRight,
   Wallet,
   BarChart3,
-  MessageSquare
+  MessageSquare,
+  Flame,
+  TrendingUp
 } from 'lucide-react';
 import { 
   AreaChart, 
@@ -114,7 +116,7 @@ const Dashboard = () => {
     );
   }
 
-  const { stats, storeOverview, hourlySales, insights } = data;
+  const { stats, storeOverview, hourlySales, insights, trendingItems } = data;
 
   const pieData = [
     { name: 'Full Payment', value: stats.periodRevenue, color: '#8b5cf6' },
@@ -316,12 +318,58 @@ const Dashboard = () => {
                  <h4 className="text-[11px] font-black text-slate-400 uppercase tracking-widest leading-none">Total Expenses</h4>
               </div>
               <div className="text-center pb-2">
-                 <h2 className="text-3xl font-black text-slate-800 tracking-tighter">₹0</h2>
+                 <h2 className="text-3xl font-black text-slate-800 tracking-tighter">₹{stats.periodExpenses.toLocaleString()}</h2>
               </div>
            </div>
         </div>
       </div>
       
+      {/* Trending Items Section */}
+      <section>
+         <div className="flex items-center justify-between mb-6">
+            <div className="flex items-center gap-3">
+               <div className="p-2 bg-rose-50 text-rose-500 rounded-xl">
+                  <Flame size={20} />
+               </div>
+               <h3 className="text-sm font-black text-slate-800 tracking-tight uppercase tracking-[0.1em]">Best Selling Food</h3>
+            </div>
+            <div className="text-[10px] font-black text-slate-400 uppercase tracking-widest flex items-center gap-2">
+               Performance Index <TrendingUp size={12} className="text-emerald-500" />
+            </div>
+         </div>
+
+         <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
+            {trendingItems.map((item: any, idx: number) => (
+               <motion.div 
+                 key={idx}
+                 whileHover={{ y: -5 }}
+                 className="bg-white p-5 rounded-[28px] border border-slate-100 shadow-sm hover:shadow-xl hover:border-indigo-500/20 transition-all group overflow-hidden relative cursor-default"
+               >
+                  <div className="absolute top-4 right-4 bg-white/80 backdrop-blur-md px-2.5 py-1 rounded-lg text-[10px] font-black text-slate-900 border border-slate-100 z-10 shadow-sm">
+                     TOP #{idx+1}
+                  </div>
+                  <div className="w-full h-32 rounded-2xl mb-5 overflow-hidden bg-slate-50">
+                     <img 
+                       src={item.imageUrl} 
+                       alt={item.name} 
+                       className="w-full h-full object-cover group-hover:scale-110 transition-transform duration-700 opacity-90 group-hover:opacity-100" 
+                     />
+                  </div>
+                  <div className="flex justify-between items-start mb-2">
+                     <div>
+                        <h4 className="text-sm font-black text-slate-800 leading-tight mb-1 group-hover:text-indigo-600 transition-colors uppercase tracking-tight">{item.name}</h4>
+                        <p className="text-[10px] font-bold text-slate-400 uppercase tracking-widest">{item.category}</p>
+                     </div>
+                  </div>
+                  <div className="flex items-center justify-between mt-4 pt-4 border-t border-slate-50">
+                     <div className="text-[10px] text-slate-400 font-black uppercase tracking-tight">Orders Count</div>
+                     <div className="text-lg font-black text-indigo-900 tracking-tighter">{item.orderCount} <span className="text-[10px] font-bold text-slate-300">Unit(s)</span></div>
+                  </div>
+               </motion.div>
+            ))}
+         </div>
+      </section>
+
       {/* Bottom Section */}
       <div className="grid grid-cols-12 gap-8 mt-4 pb-12">
          {/* Store Insights */}

frontend/src/pages/VendorDashboard.tsx

@@ -1,3 +1,4 @@
+import { useState, useEffect } from 'react';
 import { motion } from 'framer-motion';
 import { 
   ShoppingBag, 
@@ -21,14 +22,7 @@ import {
   Bar
 } from 'recharts';
 
-const data = [
-  { month: 'Jan', purchases: 4500, orders: 12 },
-  { month: 'Feb', purchases: 5200, orders: 15 },
-  { month: 'Mar', purchases: 4800, orders: 14 },
-  { month: 'Apr', purchases: 6100, orders: 18 },
-  { month: 'May', purchases: 5500, orders: 16 },
-  { month: 'Jun', purchases: 6700, orders: 20 },
-];
+// Removed static data
 
 const StatCard = ({ title, value, change, icon: Icon, color, delay }: any) => (
   <motion.div
@@ -52,6 +46,43 @@ const StatCard = ({ title, value, change, icon: Icon, color, delay }: any) => (
 );
 
 const VendorDashboard = () => {
+  const [data, setData] = useState<any>(null);
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    const fetchData = async () => {
+      try {
+        setIsLoading(true);
+        const response = await fetch('/api/dashboard/procurement');
+        if (response.ok) {
+          const result = await response.json();
+          setData(result);
+        }
+      } catch (error) {
+        console.error('Error fetching procurement data:', error);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+    fetchData();
+  }, []);
+
+  if (isLoading || !data) {
+    return (
+      <div className="h-screen flex items-center justify-center bg-slate-50/50">
+        <motion.div 
+          animate={{ scale: [1, 1.1, 1], opacity: [0.5, 1, 0.5] }}
+          transition={{ repeat: Infinity, duration: 1.5 }}
+          className="text-[#231651] font-black uppercase tracking-widest text-sm"
+        >
+          Analyzing Supply Chain...
+        </motion.div>
+      </div>
+    );
+  }
+
+  const { stats, trends, topVendors } = data;
+
   return (
     <div className="p-8 space-y-8 animate-in fade-in duration-500">
       <div className="flex flex-col md:flex-row md:items-center justify-between gap-4">
@@ -67,10 +98,10 @@ const VendorDashboard = () => {
       </div>
 
       <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
-        <StatCard title="Total Procurement" value="$28,450.00" change={12} icon={DollarSign} color="bg-blue-500" delay={0.1} />
-        <StatCard title="Active Vendors" value="24" change={5} icon={Users} color="bg-emerald-500" delay={0.2} />
-        <StatCard title="Pending POs" value="08" change={2} icon={Package} color="bg-amber-500" delay={0.3} />
-        <StatCard title="Supply Fill Rate" value="94.2%" change={1.5} icon={TrendingUp} color="bg-violet-500" delay={0.4} />
+        <StatCard title="Total Procurement" value={`₹${stats.totalProcurement.toLocaleString()}`} change={12} icon={DollarSign} color="bg-blue-500" delay={0.1} />
+        <StatCard title="Active Vendors" value={stats.activeVendors} change={5} icon={Users} color="bg-emerald-500" delay={0.2} />
+        <StatCard title="Pending POs" value={stats.pendingPOs.toString().padStart(2, '0')} change={2} icon={Package} color="bg-amber-500" delay={0.3} />
+        <StatCard title="Supply Fill Rate" value={`${stats.fillRate}%`} change={1.5} icon={TrendingUp} color="bg-violet-500" delay={0.4} />
       </div>
 
       <div className="grid grid-cols-1 lg:grid-cols-2 gap-8">
@@ -87,7 +118,7 @@ const VendorDashboard = () => {
           </div>
           <div className="h-[300px] w-full">
             <ResponsiveContainer width="100%" height="100%">
-              <AreaChart data={data}>
+              <AreaChart data={trends}>
                 <defs>
                   <linearGradient id="colorPurchases" x1="0" y1="0" x2="0" y2="1">
                     <stop offset="5%" stopColor="#231651" stopOpacity={0.1}/>
@@ -117,7 +148,7 @@ const VendorDashboard = () => {
           </div>
           <div className="h-[300px] w-full">
             <ResponsiveContainer width="100%" height="100%">
-              <BarChart data={data}>
+              <BarChart data={trends}>
                 <XAxis dataKey="month" axisLine={false} tickLine={false} tick={{fill: '#94a3b8', fontSize: 11, fontWeight: 700}} dy={10} />
                 <YAxis axisLine={false} tickLine={false} tick={{fill: '#94a3b8', fontSize: 11, fontWeight: 700}} />
                 <Tooltip />
@@ -131,14 +162,11 @@ const VendorDashboard = () => {
       <div className="bg-white rounded-3xl border border-[#e2e8f0] shadow-sm p-6 overflow-hidden">
           <h3 className="text-lg font-bold text-[#1e293b] mb-6">Top Performing Vendors</h3>
           <div className="space-y-4">
-              {[
-                { name: 'Fresh Foods Co.', orders: 45, volume: '$12,400', color: 'bg-blue-100 text-blue-600' },
-                { name: 'Dairy Plus', orders: 28, volume: '$8,200', color: 'bg-emerald-100 text-emerald-600' },
-                { name: 'Bakery World', orders: 15, volume: '$3,150', color: 'bg-amber-100 text-amber-600' },
-              ].map((v, i) => (
+              {topVendors.length > 0 ? (
+                topVendors.map((v: any, i: number) => (
                     <div key={i} className="flex items-center justify-between p-4 bg-gray-50/50 rounded-2xl hover:bg-gray-50 transition-all cursor-pointer group">
                         <div className="flex items-center gap-4">
-                          <div className={`w-10 h-10 rounded-xl ${v.color} flex items-center justify-center font-bold text-sm`}>
+                            <div className={`w-10 h-10 rounded-xl ${v.color || 'bg-indigo-100 text-indigo-600'} flex items-center justify-center font-bold text-sm`}>
                                 {v.name.charAt(0)}
                             </div>
                             <div>
@@ -147,11 +175,14 @@ const VendorDashboard = () => {
                             </div>
                         </div>
                         <div className="text-right">
-                          <p className="text-sm font-black text-[#1e293b]">{v.volume}</p>
+                            <p className="text-sm font-black text-[#1e293b]">₹{v.volume.toLocaleString()}</p>
                             <p className="text-[10px] font-bold text-emerald-600 uppercase">Excellent Status</p>
                         </div>
                     </div>
-              ))}
+                ))
+              ) : (
+                <div className="text-center py-8 text-slate-400 font-medium italic">No vendor performance data available for this period.</div>
+              )}
           </div>
       </div>
     </div>