Add statistics block to SubmissionAdmin

lmsege/lms/admin.py

@@ -99,6 +99,8 @@ class AnswerInline(StackedInline):
     def has_add_permission(self, request, obj=None):
         return False
 
+from django.utils.html import format_html
+
 @admin.register(Submission)
 class SubmissionAdmin(ModelAdmin):
     change_list_template = "admin/lms/submission/change_list.html"
@@ -107,10 +109,77 @@ class SubmissionAdmin(ModelAdmin):
     search_fields = ('student__username', 'assignment__title')
     inlines = [AnswerInline]
 
+    fieldsets = (
+        ('Параметры проверки и оценка', {
+            'fields': ('statistics', ('assignment', 'student'), ('grade', 'status'), ('is_time_expired', 'is_late'), 'teacher_feedback')
+        }),
+        ('Временные метки', {
+            'fields': (('started_at', 'submitted_at'),)
+        }),
+    )
+
     def get_readonly_fields(self, request, obj=None):
         if obj:
-            return ('assignment', 'student', 'is_time_expired', 'is_late', 'started_at', 'submitted_at')
+            return ('statistics', 'assignment', 'student', 'is_time_expired', 'is_late', 'started_at', 'submitted_at')
-        return ('is_time_expired', 'is_late', 'started_at', 'submitted_at')
+        return ('statistics', 'is_time_expired', 'is_late', 'started_at', 'submitted_at')
+
+    @admin.display(description='Статистика (сохраните оценку в формате X/Y, чтобы обновить)')
+    def statistics(self, obj):
+        if not obj or not obj.grade:
+            return format_html('<div style="color: #8b949e;">Оценка не выставлена или имеет неверный формат. Укажите оценку в формате "X/Y" (например, "3/27").</div>')
+        
+        try:
+            parts = obj.grade.split('/')
+            earned = float(parts[0].strip())
+            total = float(parts[1].strip())
+            percentage = (earned / total) * 100 if total > 0 else 0
+            
+            is_passed = percentage >= 40
+            threshold_text = "Выше порога" if is_passed else "Ниже порога (Мин: 40%)"
+            color = "#2ea043" if is_passed else "#f85149"
+            
+            total_int = int(total) if total.is_integer() else total
+            threshold_points = int(total * 0.4)
+            
+            return format_html(
+                '''
+                <div style="background-color: #161b22; border: 1px solid #30363d; border-radius: 8px; padding: 20px; color: #c9d1d9; font-family: ui-sans-serif, system-ui, sans-serif;">
+                    <div style="display: flex; justify-content: space-between; align-items: flex-end;">
+                        <div>
+                            <div style="font-size: 11px; text-transform: uppercase; color: #8b949e; letter-spacing: 0.05em; margin-bottom: 8px;">Итоговая оценка</div>
+                            <div style="display: flex; align-items: baseline; gap: 12px;">
+                                <div style="background-color: #0d1117; border: 1px solid #30363d; border-radius: 6px; padding: 6px 16px; font-size: 24px; font-weight: bold; color: #fff;">
+                                    {grade}
+                                </div>
+                                <span style="font-size: 13px; color: #8b949e;">первичных баллов</span>
+                            </div>
+                        </div>
+                        <div style="flex-grow: 1; max-width: 50%; display: flex; flex-direction: column; justify-content: flex-end;">
+                            <div style="display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 8px;">
+                                <span style="color: #c9d1d9;">Выполнение: <b>{percentage:.1f}%</b></span>
+                                <span style="color: {color}; font-weight: 500;">{threshold_text}</span>
+                            </div>
+                            <div style="width: 100%; background-color: #30363d; border-radius: 9999px; height: 6px; overflow: hidden; margin-bottom: 8px;">
+                                <div style="background-color: {color}; width: {percentage}%; height: 100%; border-radius: 9999px;"></div>
+                            </div>
+                            <div style="display: flex; justify-content: space-between; font-size: 11px; color: #8b949e; font-family: ui-monospace, SFMono-Regular, monospace;">
+                                <span>0 б</span>
+                                <span>Порог: {threshold_points} б</span>
+                                <span>Максимум: {total_int} б</span>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+                ''',
+                grade=obj.grade,
+                percentage=percentage,
+                threshold_text=threshold_text,
+                color=color,
+                total_int=total_int,
+                threshold_points=threshold_points
+            )
+        except Exception:
+            return format_html('<div style="color: #f85149;">Оценка имеет неверный формат. Используйте формат "X/Y" (например, "3/27").</div>')
 
     def get_queryset(self, request):
         qs = super().get_queryset(request)