Dmitry Belan
221 lines
10 KiB
Python
221 lines
10 KiB
Python
from django.contrib import admin
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from unfold.admin import ModelAdmin, StackedInline
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from django.db import models
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from django.forms import widgets
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from .models import Subject, Assignment, Submission, Question, Answer
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@admin.register(Subject)
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class SubjectAdmin(ModelAdmin):
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list_display = ('name',)
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list_display_links = ('name',)
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class QuestionInline(StackedInline):
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model = Question
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extra = 0
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class Media:
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js = ('js/admin_assignment.js',)
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@admin.register(Assignment)
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class AssignmentAdmin(ModelAdmin):
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list_display = ('title', 'subject', 'is_published', 'time_limit', 'deadline', 'allow_late_submissions', 'created_at')
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list_display_links = ('title',)
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list_filter = ('subject', 'is_published', 'allow_late_submissions')
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search_fields = ('title', 'description')
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fieldsets = (
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('Основная информация', {
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'fields': ('title', 'subject', 'short_description', 'description')
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}),
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('Настройки доступа и времени', {
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'fields': ('is_published', 'assign_to_all', 'assigned_students', 'deadline', 'time_limit')
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}),
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('Настройки проверки', {
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'fields': ('allow_late_submissions', 'passing_threshold')
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}),
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)
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filter_horizontal = ('assigned_students',)
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inlines = [QuestionInline]
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actions = ['make_published', 'make_unpublished', 'delete_selected_assignments']
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@admin.action(description="Опубликовать выбранные задания")
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def make_published(self, request, queryset):
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updated = queryset.update(is_published=True)
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self.message_user(request, f"Опубликовано {updated} заданий.")
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@admin.action(description="Скрыть выбранные задания (в черновик)")
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def make_unpublished(self, request, queryset):
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updated = queryset.update(is_published=False)
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self.message_user(request, f"Скрыто {updated} заданий.")
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@admin.action(description="Удалить выбранные задания")
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def delete_selected_assignments(self, request, queryset):
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deleted_count = 0
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for obj in queryset:
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if self.has_delete_permission(request, obj):
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obj.delete()
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deleted_count += 1
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self.message_user(request, f"Успешно удалено {deleted_count} заданий.")
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def get_queryset(self, request):
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qs = super().get_queryset(request)
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if request.user.is_superuser or request.user.role == 'ADMIN':
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return qs
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return qs.filter(created_by=request.user)
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def save_model(self, request, obj, form, change):
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if getattr(obj, 'created_by_id', None) is None:
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obj.created_by = request.user
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super().save_model(request, obj, form, change)
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def has_delete_permission(self, request, obj=None):
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if request.user.is_superuser or request.user.role == 'ADMIN':
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return True
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if request.user.role == 'TEACHER':
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if obj is not None and obj.created_by != request.user:
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return False
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return True
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return False
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from django.utils.html import format_html
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class AnswerInline(StackedInline):
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model = Answer
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extra = 0
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readonly_fields = ('question', 'get_student_answer')
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fields = ('question', 'get_student_answer', 'is_correct', 'points', 'comment')
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def get_student_answer(self, obj):
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if not obj or not obj.pk:
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return ""
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if obj.question.question_type == 'TEXT_AUTO':
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return obj.text_answer or "Нет ответа"
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elif obj.question.question_type == 'TABLE_AUTO':
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import json
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try:
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data = json.loads(obj.text_answer)
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html = '<table style="border-collapse: collapse; margin-top: 4px;">'
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for row in data:
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html += f'<tr><td style="border: 1px solid #e5e7eb; padding: 4px 8px;">{row[0]}</td><td style="border: 1px solid #e5e7eb; padding: 4px 8px;">{row[1]}</td></tr>'
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html += '</table>'
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return format_html(html)
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except Exception:
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return obj.text_answer or "Нет ответа"
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else:
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if obj.file_answer:
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return format_html('<a href="{}" target="_blank">Скачать файл</a>', obj.file_answer.url)
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return "Файл не прикреплен"
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get_student_answer.short_description = 'Ответ ученика'
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def has_add_permission(self, request, obj=None):
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return False
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from django.utils.html import format_html
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@admin.register(Submission)
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class SubmissionAdmin(ModelAdmin):
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change_list_template = "admin/lms/submission/change_list.html"
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list_display = ('assignment', 'student', 'status', 'is_time_expired', 'is_late', 'grade', 'submitted_at')
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list_filter = ('status', 'assignment__subject', 'student', 'is_time_expired', 'is_late')
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search_fields = ('student__username', 'assignment__title')
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inlines = [AnswerInline]
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fieldsets = (
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('Параметры проверки и оценка', {
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'fields': ('statistics', ('assignment', 'student'), ('grade', 'status'), ('is_time_expired', 'is_late'), 'teacher_feedback')
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}),
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('Временные метки', {
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'fields': (('started_at', 'submitted_at'),)
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}),
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)
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def get_readonly_fields(self, request, obj=None):
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if obj:
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return ('statistics', 'assignment', 'student', 'is_time_expired', 'is_late', 'started_at', 'submitted_at')
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return ('statistics', 'is_time_expired', 'is_late', 'started_at', 'submitted_at')
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@admin.display(description='Статистика (сохраните оценку в формате X/Y, чтобы обновить)')
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def statistics(self, obj):
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stats = obj.get_statistics() if obj else None
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if not stats:
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return format_html('<div style="color: #8b949e;">Оценка не выставлена или имеет неверный формат. Укажите оценку в формате "X/Y" (например, "3/27").</div>')
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try:
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return format_html(
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'''
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<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;">
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<div style="display: flex; justify-content: space-between; align-items: flex-end;">
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<div>
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<div style="font-size: 11px; text-transform: uppercase; color: #8b949e; letter-spacing: 0.05em; margin-bottom: 8px;">Итоговая оценка</div>
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<div style="display: flex; align-items: baseline; gap: 12px;">
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<div style="background-color: #0d1117; border: 1px solid #30363d; border-radius: 6px; padding: 6px 16px; font-size: 24px; font-weight: bold; color: #fff;">
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{grade}
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</div>
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<span style="font-size: 13px; color: #8b949e;">первичных баллов</span>
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</div>
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</div>
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<div style="flex-grow: 1; max-width: 50%; display: flex; flex-direction: column; justify-content: flex-end;">
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<div style="display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 8px;">
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<span style="color: #c9d1d9;">Выполнение: <b>{percentage_str}%</b></span>
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<span style="color: {color}; font-weight: 500;">{threshold_text}</span>
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</div>
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<div style="width: 100%; background-color: #30363d; border-radius: 9999px; height: 6px; overflow: hidden; margin-bottom: 8px;">
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<div style="background-color: {color}; width: {percentage_str}%; height: 100%; border-radius: 9999px;"></div>
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</div>
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<div style="display: flex; justify-content: space-between; font-size: 11px; color: #8b949e; font-family: ui-monospace, SFMono-Regular, monospace;">
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<span>0 б</span>
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<span>Порог: {threshold_points} б</span>
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<span>Максимум: {total_int} б</span>
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</div>
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</div>
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</div>
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</div>
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''',
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grade=obj.grade,
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percentage_str=stats['percentage_str'],
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threshold_text=stats['threshold_text'],
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color=stats['color'],
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total_int=stats['total'],
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threshold_points=stats['threshold_points']
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)
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except Exception as e:
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return format_html(
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'<div style="color: #f85149;">Ошибка при отрисовке статистики: {error}</div>',
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error=str(e)
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)
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def save_formset(self, request, form, formset, change):
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instances = formset.save(commit=False)
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for instance in instances:
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if isinstance(instance, Answer):
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if instance.is_correct and instance.points is None:
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instance.points = instance.question.points
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elif instance.is_correct is False and instance.points is None:
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instance.points = 0
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instance.save()
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for obj in formset.deleted_objects:
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obj.delete()
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formset.save_m2m()
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if formset.model == Answer:
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submission = formset.instance
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total_earned = sum((ans.points or 0) for ans in submission.answers.all())
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total_max = sum((q.points or 1) for q in submission.assignment.questions.all())
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new_grade = f"{total_earned}/{total_max}"
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if submission.grade != new_grade:
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submission.grade = new_grade
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submission.save(update_fields=['grade'])
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def get_queryset(self, request):
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qs = super().get_queryset(request)
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if request.user.is_superuser or request.user.role == 'ADMIN':
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return qs
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if request.user.role == 'TEACHER':
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return qs.filter(assignment__created_by=request.user)
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return qs.filter(student=request.user)
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