feat: add showcase backend

submission/admin.py

@@ -1,3 +1,51 @@
 from django.contrib import admin
 
-# Register your models here.
+from .models import Award, SubmissionAward
+
+
+@admin.register(Award)
+class AwardAdmin(admin.ModelAdmin):
+    list_display = ("name", "sort_order", "is_active", "item_ordering", "created")
+    list_filter = ("is_active", "item_ordering")
+    search_fields = ("name",)
+    ordering = ("sort_order",)
+
+
+@admin.register(SubmissionAward)
+class SubmissionAwardAdmin(admin.ModelAdmin):
+    list_display = (
+        "award_name",
+        "submission_username",
+        "submission_task_title",
+        "submission_score",
+        "submission_view_count",
+        "sort_order",
+        "awarded_at",
+    )
+    list_filter = ("award", "submission__task", "submission__user__classname")
+    search_fields = (
+        "award__name",
+        "submission__user__username",
+        "submission__task__title",
+    )
+    raw_id_fields = ("submission",)
+
+    @admin.display(description="奖项")
+    def award_name(self, obj):
+        return obj.award.name
+
+    @admin.display(description="提交作者")
+    def submission_username(self, obj):
+        return obj.submission.user.username
+
+    @admin.display(description="挑战标题")
+    def submission_task_title(self, obj):
+        return obj.submission.task.title
+
+    @admin.display(description="评分")
+    def submission_score(self, obj):
+        return obj.submission.score
+
+    @admin.display(description="浏览量")
+    def submission_view_count(self, obj):
+        return obj.submission.view_count