wip: implement invoice generator for teamers

templates/pdf/invoice_generated.html.twig

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+<!doctype html>
+<html lang="de">
+<head>
+    <meta charset="utf-8">
+    <style>
+        body { font-family: DejaVu Sans, sans-serif; font-size: 12px; color: #111827; }
+        h1 { font-size: 20px; margin: 0 0 10px; }
+        .muted { color: #6b7280; }
+        .section { margin-top: 16px; }
+        table { width: 100%; border-collapse: collapse; margin-top: 8px; }
+        th, td { border: 1px solid #d1d5db; padding: 6px; text-align: left; }
+        th { background: #f3f4f6; }
+        .right { text-align: right; }
+        .total-row td { font-weight: bold; }
+    </style>
+</head>
+<body>
+    <h1>Honorarnote</h1>
+    <div class="muted">Einsatz: {{ assignment.destination }}</div>
+    <div class="muted">Teamer: {{ teamer }}</div>
+    <div class="muted">Datum: {{ "now"|date("d.m.Y") }}</div>
+
+    <div class="section">
+        <table>
+            <thead>
+            <tr>
+                <th>Bezeichnung</th>
+                <th class="right">Betrag</th>
+                <th class="right">Anzahl</th>
+                <th class="right">Zeilensumme</th>
+            </tr>
+            </thead>
+            <tbody>
+            {% for item in invoice.items %}
+                <tr>
+                    <td>{{ item.labelSnapshot }}</td>
+                    <td class="right">{{ item.unitPriceCentsSnapshot|format_money }}</td>
+                    <td class="right">{{ item.quantity }}</td>
+                    <td class="right">{{ item.lineTotalCents|format_money }}</td>
+                </tr>
+            {% endfor %}
+            <tr class="total-row">
+                <td colspan="3" class="right">Gesamt</td>
+                <td class="right">{{ invoice.totalCents|format_money }}</td>
+            </tr>
+            </tbody>
+        </table>
+    </div>
+</body>
+</html>