feat: alter document and paragraph status fields and update foreign key constraints

Author: liuruibin

apps/knowledge/migrations/0004_alter_document_status_alter_paragraph_status_and_more.py

@@ -0,0 +1,30 @@
+# Generated by Django 5.2.1 on 2025-06-09 11:09
+
+import django.db.models.deletion
+import knowledge.models.knowledge
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('knowledge', '0003_knowledge_file_count_limit_alter_document_status_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='document',
+            name='status',
+            field=models.CharField(default=knowledge.models.knowledge.Status.__str__, max_length=20, verbose_name='状态'),
+        ),
+        migrations.AlterField(
+            model_name='paragraph',
+            name='status',
+            field=models.CharField(default=knowledge.models.knowledge.Status.__str__, max_length=20, verbose_name='状态'),
+        ),
+        migrations.AlterField(
+            model_name='problemparagraphmapping',
+            name='document',
+            field=models.ForeignKey(db_constraint=False, on_delete=django.db.models.deletion.DO_NOTHING, to='knowledge.document'),
+        ),
+    ]

apps/knowledge/models/knowledge.py

@@ -195,7 +195,7 @@ class Meta:
 class ProblemParagraphMapping(AppModelMixin):
     id = models.UUIDField(primary_key=True, max_length=128, default=uuid.uuid7, editable=False, verbose_name="主键id")
     knowledge = models.ForeignKey(Knowledge, on_delete=models.DO_NOTHING, db_constraint=False)
-    document = models.ForeignKey(Document, on_delete=models.DO_NOTHING)
+    document = models.ForeignKey(Document, on_delete=models.DO_NOTHING, db_constraint=False)
     problem = models.ForeignKey(Problem, on_delete=models.DO_NOTHING, db_constraint=False)
     paragraph = models.ForeignKey(Paragraph, on_delete=models.DO_NOTHING, db_constraint=False)