Update atst to atat

atat/utils/json.py

@@ -0,0 +1,28 @@
+from flask.json import JSONEncoder
+import json
+from werkzeug.datastructures import FileStorage
+from datetime import date
+from enum import Enum
+
+from atat.models.attachment import Attachment
+
+
+class CustomJSONEncoder(JSONEncoder):
+    def default(self, obj):
+        if isinstance(obj, Attachment):
+            return obj.filename
+        elif isinstance(obj, date):
+            return obj.strftime("%Y-%m-%d")
+        elif isinstance(obj, FileStorage):
+            return obj.filename
+        return JSONEncoder.default(self, obj)
+
+
+def sqlalchemy_dumps(dct):
+    def _default(obj):
+        if isinstance(obj, Enum):
+            return obj.name
+        else:
+            raise TypeError()
+
+    return json.dumps(dct, default=_default)