feat: 添加mpoint_affect字段

apps/enm/migrations/0032_mpoint_mpoint_affect.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.2.12 on 2024-05-05 16:04
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('enm', '0031_auto_20240428_0906'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='mpoint',
+            name='mpoint_affect',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='mp_mpoint_affect', to='enm.mpoint', to_field='code', verbose_name='影响测点'),
+        ),
+    ]

apps/enm/models.py

@@ -33,18 +33,16 @@ class Mpoint(CommonBModel):
     third_info = models.JSONField("第三方信息", default=dict, blank=True)
     # {"from": "king", "n": "某名称","d": "某描述或备注","g": "某组", "t": "某类型",  "id": 5001, "o": "其他信息"}
     enp_field = models.CharField("关联enp采集字段", max_length=50, null=True, blank=True)
+
     is_rep_ep_running_state = models.BooleanField("是否表示所监测设备运行状态", default=False)
     ep_monitored = models.ForeignKey("em.equipment", verbose_name="所监测设备", related_name="mp_ep_monitored", on_delete=models.SET_NULL, null=True, blank=True)
     ep_rs_val = models.FloatField("状态量基准值", null=True, blank=True)
     ep_rs_expr = models.TextField("状态量表达式", null=True, blank=True)
+    mpoint_affect = models.ForeignKey("self", verbose_name="影响测点", related_name="mp_mpoint_affect", on_delete=models.SET_NULL, null=True, blank=True, to_field='code')
 
     need_display = models.BooleanField("是否需要展示", default=False)
     report_sortstr = models.CharField('在报告中的排序', max_length=50, default='', blank=True)
 
-    @classmethod
-    def cache_key(cls, code: str):
-        return f"mpoint_{code}"
-
 
 class MpLogx(models.Model):
     """