Add FuelPurchase model, List, Create views and templates

main/migrations/0001_initial.py

@@ -0,0 +1,29 @@
+# Generated by Django 5.2.5 on 2025-08-09 17:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='FuelPurchase',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('purchase_date', models.DateField(verbose_name='Purchase Date')),
+                ('total_cost', models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Total Cost (€)')),
+                ('price_per_litre', models.DecimalField(decimal_places=3, max_digits=6, verbose_name='Price per Litre (€)')),
+                ('amount_litres', models.DecimalField(decimal_places=2, max_digits=7, verbose_name='Amount (litres)')),
+            ],
+            options={
+                'verbose_name': 'Fuel Purchase',
+                'verbose_name_plural': 'Fuel Purchases',
+                'constraints': [models.UniqueConstraint(fields=('purchase_date', 'total_cost', 'price_per_litre', 'amount_litres'), name='unique_fuel_purchase'), models.CheckConstraint(condition=models.Q(('total_cost__gt', 0), ('total_cost__lt', 100)), name='total_cost_range'), models.CheckConstraint(condition=models.Q(('price_per_litre__gt', 0), ('price_per_litre__lt', 5)), name='price_per_litre_range'), models.CheckConstraint(condition=models.Q(('amount_litres__gt', 0), ('amount_litres__lt', 100)), name='amount_litres_range')],
+            },
+        ),
+    ]