Add admin interface for AutoLabelingConfigs. Solves #1423

Thanks to @uklft for the idea.

backend/api/admin.py

@@ -2,7 +2,8 @@ from django.contrib import admin
 
 from .models import (Category, Comment, Example, Label, Project, Role,
                      RoleMapping, Seq2seqProject, SequenceLabelingProject,
-                     Span, Tag, TextClassificationProject, TextLabel)
+                     Span, Tag, TextClassificationProject, TextLabel,
+                     AutoLabelingConfig)
 
 
 class LabelAdmin(admin.ModelAdmin):
@@ -62,6 +63,18 @@ class CommentAdmin(admin.ModelAdmin):
     search_fields = ('user',)
 
 
+class AutoLabelingConfigAdmin(admin.ModelAdmin):
+    list_display = ('project', 'model_name', 'model_attrs',)
+    ordering = ('project',)
+
+    def get_readonly_fields(self, request, obj=None):
+        if obj:
+            return ["model_name"]
+        else:
+            return []
+
+
+admin.site.register(AutoLabelingConfig, AutoLabelingConfigAdmin)
 admin.site.register(Category, CategoryAdmin)
 admin.site.register(Span, SpanAdmin)
 admin.site.register(TextLabel, TextLabelAdmin)

backend/api/models.py

@@ -339,7 +339,7 @@ class AutoLabelingConfig(models.Model):
     model_name = models.CharField(max_length=100)
     model_attrs = models.JSONField(default=dict)
     template = models.TextField(default='')
-    label_mapping = models.JSONField(default=dict)
+    label_mapping = models.JSONField(default=dict, blank=True)
     project = models.ForeignKey(
         to=Project,
         on_delete=models.CASCADE,