fix: stabilize idempotent decorator cache key

apps/utils/decorators.py

@@ -2,6 +2,7 @@ import logging
 from functools import wraps
 from apps.utils.tasks import send_mail_task
 import traceback
+import hashlib
 import json
 from django.core.cache import cache
 from rest_framework.exceptions import ParseError
@@ -30,18 +31,23 @@ def idempotent(seconds=4):
     def decorate(func):
         @wraps(func)
         def wrapper(*args, **kwargs):
-            rdata = args[1].data
-            rdata['request_userid'] = getattr(args[1], 'user').id
-            rdata['request_path'] = getattr(args[1], 'path')
-            hash_k = hash(json.dumps(rdata))
+            request = args[1]
+            rdata = dict(request.data)
+            rdata['request_userid'] = getattr(request, 'user').id
+            rdata['request_path'] = getattr(request, 'path')
+            payload = json.dumps(rdata, sort_keys=True, ensure_ascii=False, default=str)
+            hash_k = hashlib.sha256(payload.encode('utf-8')).hexdigest()
             hash_v_e = cache.get(hash_k, None)
             if hash_v_e is None:
                 cache.set(hash_k, 'o', seconds)
                 real_func = func(*args, **kwargs)
-                # real_func.render()
-                # cache.set(hash_k, real_func, seconds)
+                if hasattr(real_func, 'data'):
+                    cache.set(hash_k, real_func.data, seconds)
+                else:
+                    cache.delete(hash_k)
                 return real_func
             elif hash_v_e == 'o':  # 说明请求正在处理
                 raise ParseError(f'请求忽略,请{seconds}秒后重试')
+            return hash_v_e
         return wrapper
-    return decorate
+    return decorate