Transactions

app/Http/Controllers/Transactions/PurchaseController.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace App\Http\Controllers\Transactions;
+
+use App\Http\Controllers\Controller;
+use App\Models\Transactions\Purchase;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Redirect;
+
+class PurchaseController extends Controller
+{
+    public function index(): JsonResponse
+    {
+        $purchases = Purchase::orderBy('date', 'desc')->get();
+
+        return response()->json($purchases);
+    }
+
+    public function store(Request $request): \Illuminate\Http\RedirectResponse
+    {
+        $validated = $request->validate([
+            'date' => 'required|date|before_or_equal:today',
+            'shares' => 'required|numeric|min:0.000001',
+            'price_per_share' => 'required|numeric|min:0.01',
+            'total_cost' => 'required|numeric|min:0.01',
+        ]);
+
+        // Verify calculation is correct
+        $calculatedTotal = $validated['shares'] * $validated['price_per_share'];
+        if (abs($calculatedTotal - $validated['total_cost']) > 0.01) {
+            return back()->withErrors([
+                'total_cost' => 'Total cost does not match shares × price per share.'
+            ]);
+        }
+
+        Purchase::create([
+            'date' => $validated['date'],
+            'shares' => $validated['shares'],
+            'price_per_share' => $validated['price_per_share'],
+            'total_cost' => $validated['total_cost'],
+        ]);
+
+        return Redirect::back()->with('success', 'Purchase added successfully!');
+    }
+
+    public function summary()
+    {
+        $totalShares = Purchase::totalShares();
+        $totalInvestment = Purchase::totalInvestment();
+        $averageCost = Purchase::averageCostPerShare();
+
+        return response()->json([
+            'total_shares' => $totalShares,
+            'total_investment' => $totalInvestment,
+            'average_cost_per_share' => $averageCost,
+        ]);
+    }
+
+    /**
+     * Remove the specified purchase.
+     */
+    public function destroy(Purchase $purchase)
+    {
+        $purchase->delete();
+
+        return Redirect::back()->with('success', 'Purchase deleted successfully!');
+    }
+}

app/Models/Transactions/Purchase.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Models\Transactions;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Purchase extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'date',
+        'shares',
+        'price_per_share',
+        'total_cost',
+    ];
+
+    protected $casts = [
+        'date' => 'date',
+        'shares' => 'decimal:6',
+        'price_per_share' => 'decimal:4',
+        'total_cost' => 'decimal:2',
+    ];
+
+    /**
+     * Calculate total shares
+     */
+    public static function totalShares(): float
+    {
+        return static::sum('shares');
+    }
+
+    /**
+     * Calculate total investment
+     */
+    public static function totalInvestment(): float
+    {
+        return static::sum('total_cost');
+    }
+
+    /**
+     * Get average cost per share
+     */
+    public static function averageCostPerShare(): float
+    {
+        $totalShares = static::totalShares();
+        $totalCost = static::totalInvestment();
+        
+        return $totalShares > 0 ? $totalCost / $totalShares : 0;
+    }
+}

database/migrations/2025_07_10_150549_create_purchases_table.php

@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('purchases', function (Blueprint $table) {
+            $table->id();
+            $table->date('date');
+            $table->decimal('shares', 12, 6); // Supports fractional shares
+            $table->decimal('price_per_share', 8, 4); // Price in euros
+            $table->decimal('total_cost', 12, 2); // Total cost in euros
+            $table->timestamps();
+
+            $table->index('date');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('purchases');
+    }
+};

resources/js/components/Transactions/AddPurchaseForm.tsx

@@ -0,0 +1,126 @@
+import { Button } from '@/components/ui/button';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Input } from '@/components/ui/input';
+import { Label } from '@/components/ui/label';
+import InputError from '@/components/InputError';
+import { useForm } from '@inertiajs/react';
+import { LoaderCircle } from 'lucide-react';
+import { FormEventHandler, useEffect } from 'react';
+
+interface PurchaseFormData {
+    date: string;
+    shares: string;
+    price_per_share: string;
+    total_cost: string;
+}
+
+export default function AddPurchaseForm() {
+    const { data, setData, post, processing, errors, reset } = useForm<PurchaseFormData>({
+        date: new Date().toISOString().split('T')[0], // Today's date in YYYY-MM-DD format
+        shares: '',
+        price_per_share: '',
+        total_cost: '',
+    });
+
+    // Auto-calculate total cost when shares or price changes
+    useEffect(() => {
+        if (data.shares && data.price_per_share) {
+            const shares = parseFloat(data.shares);
+            const pricePerShare = parseFloat(data.price_per_share);
+            
+            if (!isNaN(shares) && !isNaN(pricePerShare)) {
+                const totalCost = (shares * pricePerShare).toFixed(2);
+                setData('total_cost', totalCost);
+            }
+        }
+    }, [data.shares, data.price_per_share, setData]);
+
+    const submit: FormEventHandler = (e) => {
+        e.preventDefault();
+
+        post(route('purchases.store'), {
+            onSuccess: () => {
+                reset();
+                setData('date', new Date().toISOString().split('T')[0]);
+            },
+        });
+    };
+
+    return (
+        <Card className="w-full max-w-md">
+            <CardHeader>
+                <CardTitle>Add VWCE Purchase</CardTitle>
+            </CardHeader>
+            <CardContent>
+                <form onSubmit={submit} className="space-y-4">
+                    <div>
+                        <Label htmlFor="date">Purchase Date</Label>
+                        <Input
+                            id="date"
+                            type="date"
+                            value={data.date}
+                            onChange={(e) => setData('date', e.target.value)}
+                            max={new Date().toISOString().split('T')[0]}
+                        />
+                        <InputError message={errors.date} />
+                    </div>
+
+                    <div>
+                        <Label htmlFor="shares">Number of Shares</Label>
+                        <Input
+                            id="shares"
+                            type="number"
+                            step="0.000001"
+                            min="0"
+                            placeholder="1.234567"
+                            value={data.shares}
+                            onChange={(e) => setData('shares', e.target.value)}
+                        />
+                        <InputError message={errors.shares} />
+                    </div>
+
+                    <div>
+                        <Label htmlFor="price_per_share">Price per Share (€)</Label>
+                        <Input
+                            id="price_per_share"
+                            type="number"
+                            step="0.01"
+                            min="0"
+                            placeholder="123.45"
+                            value={data.price_per_share}
+                            onChange={(e) => setData('price_per_share', e.target.value)}
+                        />
+                        <InputError message={errors.price_per_share} />
+                    </div>
+
+                    <div>
+                        <Label htmlFor="total_cost">Total Cost (€)</Label>
+                        <Input
+                            id="total_cost"
+                            type="number"
+                            step="0.01"
+                            min="0"
+                            placeholder="1234.56"
+                            value={data.total_cost}
+                            onChange={(e) => setData('total_cost', e.target.value)}
+                            className="bg-neutral-50 dark:bg-neutral-800"
+                        />
+                        <p className="text-xs text-neutral-500 mt-1">
+                            Auto-calculated from shares × price
+                        </p>
+                        <InputError message={errors.total_cost} />
+                    </div>
+
+                    <Button 
+                        type="submit" 
+                        disabled={processing}
+                        className="w-full"
+                    >
+                        {processing && <LoaderCircle className="mr-2 h-4 w-4 animate-spin" />}
+                        Add Purchase
+                    </Button>
+                </form>
+            </CardContent>
+        </Card>
+    );
+}

routes/web.php

@@ -1,5 +1,6 @@
 <?php
 
+use App\Http\Controllers\Transactions\PurchaseController;
 use Illuminate\Support\Facades\Route;
 use Inertia\Inertia;
 
@@ -7,10 +8,16 @@
     return Inertia::render('welcome');
 })->name('home');
 
-Route::middleware(['auth', 'verified'])->group(function () {
 Route::get('dashboard', function () {
     return Inertia::render('dashboard');
 })->name('dashboard');
+
+// Purchase routes
+Route::prefix('purchases')->name('purchases.')->group(function () {
+    Route::get('/', [PurchaseController::class, 'index'])->name('index');
+    Route::post('/', [PurchaseController::class, 'store'])->name('store');
+    Route::get('/summary', [PurchaseController::class, 'summary'])->name('summary');
+    Route::delete('/{purchase}', [PurchaseController::class, 'destroy'])->name('destroy');
 });
 
 require __DIR__.'/settings.php';