edusys.rar_DEMO_django_python_situationzep_学生管理系统

from django.shortcuts import render, redirect, get_object_or_404 from django.views.generic.list import ListView from django.urls import reverse_lazy from django.views.generic.edit import CreateView, UpdateView, DeleteView from django.contrib.auth.mixins import LoginRequiredMixin, PermissionRequiredMixin from django.views.generic.base import TemplateResponseMixin, View from django.apps import apps from django.forms.models import modelform_factory from braces.views import CsrfExemptMixin, JsonRequestResponseMixin from .models import Course, Module, Content from .forms import ModuleFormSet # Create your views here. class OwnerMixin: def get_queryset(self): qs = super(OwnerMixin, self).get_queryset() return qs.filter(owner=self.request.user) class OwnerEditMixin: def form_valid(self, form): form.instance.owner = self.request.user return super(OwnerEditMixin, self).form_valid(form) class OwnerCourseMixin(OwnerMixin, LoginRequiredMixin): model = Course fields = ['subject', 'title', 'slug', 'overview'] success_url = reverse_lazy('manage_course_list') class OwnerCourseEditMixin(OwnerCourseMixin, OwnerEditMixin): fields = ['subject', 'title', 'slug', 'overview'] success_url = reverse_lazy('manage_course_list') template_name = 'courses/manage/course/form.html' class ManageCourseListView(OwnerCourseMixin, ListView): template_name = 'courses/manage/course/list.html' class CourseCreateView(PermissionRequiredMixin, OwnerCourseEditMixin, CreateView): permission_required = 'courses.add_course' class CourseUpdateView(PermissionRequiredMixin, OwnerCourseEditMixin, UpdateView): permission_required = 'courses.change_course' class CourseDeleteView(PermissionRequiredMixin, OwnerCourseMixin, DeleteView): template_name = 'courses/manage/course/delete.html' success_url = reverse_lazy('manage_course_list') permission_required = 'courses.delete_course' class CourseModuleUpdateView(TemplateResponseMixin, View): template_name = 'courses/manage/module/formset.html' course = None def get_formset(self, data=None): return ModuleFormSet(instance=self.course, data=data) def dispatch(self, request, pk): self.course = get_object_or_404(Course, id=pk, owner=request.user) return super(CourseModuleUpdateView, self).dispatch(request, pk) def get(self, request, *args, **kwargs): formset = self.get_formset() return self.render_to_response({'course': self.course, 'formset': formset}) def post(self, request, *args, **kwargs): formset = self.get_formset(data=request.POST) if formset.is_valid(): formset.save() return redirect('manage_course_list') return self.render_to_response({'course': self.course, 'formset': formset}) class ContentCreateUpdateView(TemplateResponseMixin, View): module = None model = None obj = None template_name = 'courses/manage/content/form.html' def get_model(self, model_name): if model_name in ['text', 'video', 'image', 'file']: return apps.get_model(app_label='courses', model_name=model_name) return None def get_form(self, model, *args, **kwargs): Form = modelform_factory(model, exclude=['owner', 'order', 'created', 'updated']) return Form(*args, **kwargs) def dispatch(self, request, module_id, model_name, id=None): self.module = get_object_or_404(self.model, id=module_id, course__owner=request.user) self.model = self.get_model(model_name) if id: self.obj = get_object_or_404(self.model, id=id, owner=request.user) return super(ContentCreateUpdateView, self).dispatch(request, module_id, model_name, id) def get(self, request, module_id, model_name, id=None): form = self.get_form(self.model, instance=self.obj) return self.render_to_response({'form': form, 'object': self.obj}) def post(): form = self.get_form(self.model, instance=self.obj, data=request.POST, files=request.FILES) if form.is_valid(): obj = form.save(commit=False) obj.owner = request.user obj.save() if not id: Content.objects.create(module=self.module, item=obj) return redirect('module_content_list', self.module.id) return self.render_to_response({'form': form, 'object': self.obj}) class ContentDeleteView(View): def post(self, request, id): content = get_object_or_404(Content, id=id, module__course__owner=request.user) module = content.module content.item.delete() content.delete() return redirect('module_content_list', module_id) class ContentOrderView(CsrfExemptMixin, JsonRequestResponseMixin, View): def post(self, request): for id, order in self.request_json.items(): Content.objects.filter(id=id, module__course__owner=request.user).update(order=order) return self.render_json_response({'saved': 'OK'}) class ModuleContentListView(TemplateResponseMixin, View): template_name = 'courses/manage/module/content_list.html' def get(self, request, module_id): module = get_object_or_404(Module, id=module_id, course__owner=request.user) return self.render_to_response({'module': module}) class ModuleOrderView(CsrfExemptMixin, JsonRequestResponseMixin, View): def post(self, request): for id, order in self.request_json.items(): Content.objects.filter(id=id, course__owner=request.user).update(order=order) return self.render_json_response({'saved': 'OK'})