Admin pages for custom fields & instances, make not editable in admin

src/documents/admin.py

@@ -3,6 +3,8 @@ from django.contrib import admin
 from guardian.admin import GuardedModelAdmin
 
 from documents.models import Correspondent
+from documents.models import CustomField
+from documents.models import CustomFieldInstance
 from documents.models import Document
 from documents.models import DocumentType
 from documents.models import Note
@@ -144,6 +146,20 @@ class ShareLinksAdmin(GuardedModelAdmin):
     list_display_links = ("created",)
 
 
+class CustomFieldsAdmin(GuardedModelAdmin):
+    fields = ("name", "created", "data_type")
+    readonly_fields = ("created", "data_type")
+    list_display = ("name", "created", "data_type")
+    list_filter = ("created", "data_type")
+
+
+class CustomFieldInstancesAdmin(GuardedModelAdmin):
+    fields = ("field", "document", "created", "value")
+    readonly_fields = ("field", "document", "created", "value")
+    list_display = ("field", "document", "value", "created")
+    list_filter = ("document", "created")
+
+
 admin.site.register(Correspondent, CorrespondentAdmin)
 admin.site.register(Tag, TagAdmin)
 admin.site.register(DocumentType, DocumentTypeAdmin)
@@ -153,6 +169,8 @@ admin.site.register(StoragePath, StoragePathAdmin)
 admin.site.register(PaperlessTask, TaskAdmin)
 admin.site.register(Note, NotesAdmin)
 admin.site.register(ShareLink, ShareLinksAdmin)
+admin.site.register(CustomField, CustomFieldsAdmin)
+admin.site.register(CustomFieldInstance, CustomFieldInstancesAdmin)
 
 if settings.AUDIT_LOG_ENABLED:
 

src/documents/migrations/1040_customfield_customfieldboolean_customfielddate_and_more.py

@@ -32,6 +32,7 @@ class Migration(migrations.Migration):
                         db_index=True,
                         default=django.utils.timezone.now,
                         verbose_name="created",
+                        editable=False,
                     ),
                 ),
                 ("name", models.CharField(max_length=128)),
@@ -47,6 +48,7 @@ class Migration(migrations.Migration):
                         ],
                         max_length=50,
                         verbose_name="data type",
+                        editable=False,
                     ),
                 ),
             ],
@@ -71,6 +73,7 @@ class Migration(migrations.Migration):
                 (
                     "created",
                     models.DateTimeField(
+                        editable=False,
                         db_index=True,
                         default=django.utils.timezone.now,
                         verbose_name="created",
@@ -79,6 +82,7 @@ class Migration(migrations.Migration):
                 (
                     "document",
                     models.ForeignKey(
+                        editable=False,
                         on_delete=django.db.models.deletion.CASCADE,
                         related_name="custom_fields",
                         to="documents.document",
@@ -87,6 +91,7 @@ class Migration(migrations.Migration):
                 (
                     "field",
                     models.ForeignKey(
+                        editable=False,
                         on_delete=django.db.models.deletion.CASCADE,
                         related_name="fields",
                         to="documents.customfield",

src/documents/models.py

@@ -902,6 +902,7 @@ class CustomField(models.Model):
         _("created"),
         default=timezone.now,
         db_index=True,
+        editable=False,
     )
 
     name = models.CharField(max_length=128)
@@ -910,6 +911,7 @@ class CustomField(models.Model):
         _("data type"),
         max_length=50,
         choices=FieldDataType.choices,
+        editable=False,
     )
 
     class Meta:
@@ -937,6 +939,7 @@ class CustomFieldInstance(models.Model):
         _("created"),
         default=timezone.now,
         db_index=True,
+        editable=False,
     )
 
     document = models.ForeignKey(
@@ -945,6 +948,7 @@ class CustomFieldInstance(models.Model):
         null=False,
         on_delete=models.CASCADE,
         related_name="custom_fields",
+        editable=False,
     )
 
     field = models.ForeignKey(
@@ -953,6 +957,7 @@ class CustomFieldInstance(models.Model):
         null=False,
         on_delete=models.CASCADE,
         related_name="fields",
+        editable=False,
     )
 
     class Meta:

src/documents/serialisers.py

@@ -398,6 +398,11 @@ class StoragePathField(serializers.PrimaryKeyRelatedField):
 
 
 class CustomFieldSerializer(serializers.ModelSerializer):
+    data_type = serializers.ChoiceField(
+        choices=CustomField.FieldDataType,
+        read_only=False,
+    )
+
     class Meta:
         model = CustomField
         fields = [