圃場グループ機能

backend/apps/fields/migrations/0004_field_display_order_field_group_name.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.0 on 2026-02-15 06:35
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fields', '0003_remove_field_chusankan_field_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='field',
+            name='display_order',
+            field=models.IntegerField(default=0, help_text='リスト表示時の順序', verbose_name='表示順'),
+        ),
+        migrations.AddField(
+            model_name='field',
+            name='group_name',
+            field=models.CharField(blank=True, help_text='エリアや用途によるグループ分け', max_length=50, null=True, verbose_name='グループ名'),
+        ),
+    ]

backend/apps/fields/models.py

@@ -39,6 +39,8 @@ class Field(models.Model):
     area_tan = models.DecimalField(max_digits=6, decimal_places=4, verbose_name="面積(反)")
     area_m2 = models.IntegerField(verbose_name="面積(m2)")
     owner_name = models.CharField(max_length=100, verbose_name="所有者名")
+    group_name = models.CharField("グループ名", max_length=50, blank=True, null=True, help_text="エリアや用途によるグループ分け")
+    display_order = models.IntegerField("表示順", default=0, help_text="リスト表示時の順序")
     raw_kyosai_k_num = models.CharField("細目_耕地番号", max_length=20, null=True, blank=True)
     raw_kyosai_s_num = models.CharField("細目_分筆番号", max_length=20, null=True, blank=True)
     raw_chusankan_id = models.CharField("中山間_ID", max_length=20, null=True, blank=True)