Merge pull request #4242 from jumpserver/dev_cloud

feat(node + domain + domain_migrate): NodeModel添加get_or_create_child()方法，修改网域唯一字段 org_id+name

apps/assets/migrations/0050_auto_20200702_1602.py

+# Generated by Django 2.2.10 on 2020-07-02 08:02
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('assets', '0049_systemuser_sftp_root'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='domain',
+            name='name',
+            field=models.CharField(max_length=128, verbose_name='Name'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='domain',
+            unique_together={('org_id', 'name')},
+        ),
+    ]

apps/assets/models/domain.py

@@ -17,13 +17,14 @@ __all__ = ['Domain', 'Gateway']
 
 class Domain(OrgModelMixin):
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)
-    name = models.CharField(max_length=128, unique=True, verbose_name=_('Name'))
+    name = models.CharField(max_length=128, verbose_name=_('Name'))
     comment = models.TextField(blank=True, verbose_name=_('Comment'))
     date_created = models.DateTimeField(auto_now_add=True, null=True,
                                         verbose_name=_('Date created'))
 
     class Meta:
         verbose_name = _("Domain")
+        unique_together = [('org_id', 'name')]
 
     def __str__(self):
         return self.name

apps/assets/models/node.py

@@ -199,6 +199,20 @@ class FamilyMixin:
             )
             return child
 
+    def get_or_create_child(self, value, _id=None):
+        """
+        :return: Node, bool (created)
+        """
+        children = self.get_children()
+        exist = children.filter(value=value).exists()
+        if exist:
+            child = children.filter(value=value).first()
+            created = False
+        else:
+            child = self.create_child(value, _id)
+            created = True
+        return child, created
+
     def get_next_child_key(self):
         mark = self.child_mark
         self.child_mark += 1