重命名 sample -> samples

添加标签的逻辑变化
修改部分错误的测试用例

problem/views.py

@@ -34,6 +34,7 @@ class ProblemTagAdminAPIView(APIView):
             return error_response(serializer)
 
     def get(self, request):
+        return success_response(ProblemTagSerializer(ProblemTag.objects.all(), many=True).data)
         keyword = request.GET.get("keyword", None)
         if not keyword:
             return error_response(u"参数错误")
@@ -44,11 +45,11 @@ class ProblemTagAdminAPIView(APIView):
 
 
 def problem_page(request, problem_id):
-    # try:
-    #     problem = Problem.objects.get(id=problem_id)
-    # except Problem.DoesNotExist:
-    #     return render(request, "utils/error.html", {"error": u"题目不存在"})
-    return render(request, "oj/problem/problem.html", {"problem": {}})
+    try:
+        problem = Problem.objects.get(id=problem_id)
+    except Problem.DoesNotExist:
+        return render(request, "utils/error.html", {"error": u"题目不存在"})
+    return render(request, "oj/problem/problem.html", {"problem": problem, "samples": json.loads(problem.samples)})
 
 
 def problem_my_solutions_list_page(request, problem_id):
@@ -75,15 +76,19 @@ class ProblemAdminAPIView(APIView):
                                              description=data["description"],
                                              test_case_id=data["test_case_id"],
                                              source=data["source"],
-                                             sample=json.dumps(data["sample"]),
+                                             samples=json.dumps(data["samples"]),
                                              time_limit=data["time_limit"],
                                              memory_limit=data["memory_limit"],
                                              difficulty=data["difficulty"],
                                              created_by=request.user,
                                              hint=data["hint"])
 
-            tags = ProblemTag.objects.filter(id__in=data["tags"])
-            problem.tags.add(*tags)
+            for tag in data["tags"]:
+                try:
+                    tag = ProblemTag.objects.get(name=tag)
+                except ProblemTag.DoesNotExist:
+                    tag = ProblemTag.objects.create(name=tag)
+                problem.tags.add(tag)
             return success_response(ProblemSerializer(problem).data)
         else:
             return serializer_invalid_response(serializer)
@@ -110,7 +115,7 @@ class ProblemAdminAPIView(APIView):
             problem.time_limit = data["time_limit"]
             problem.memory_limit = data["memory_limit"]
             problem.difficulty = data["difficulty"]
-            problem.sample = json.dumps(data["sample"])
+            problem.samples = json.dumps(data["samples"])
             problem.hint = data["hint"]
             problem.visible = data["visible"]