Python ContentType.get_object_for_this_type方法代码示例

# 需要导入模块: from django.contrib.contenttypes.models import ContentType [as 别名]
# 或者: from django.contrib.contenttypes.models.ContentType import get_object_for_this_type [as 别名]
def mooclet_create(request, **kwargs):
    '''
    create a new mooclet
    required kwargs: quiz, type, parent object
    '''

    quiz = get_object_or_404(Quiz,pk=kwargs['quiz_id'])
    mooclet_type = get_object_or_404(MoocletType,name=kwargs['type'])

    # object class that the mooclet is attached to
    parent_content_type = mooclet_type.content_type
    parent_content = ContentType.get_object_for_this_type(parent_content_type, pk=kwargs[parent_content_type.name+'_id'])

    if request.method == 'GET':

        mooclet_form = MoocletForm(initial={'type':mooclet_type})
        context = {
            'quiz':quiz,
            'mooclet_form':mooclet_form,
        }
        if 'question' in kwargs:
            context['question'] = get_object_or_404(Question,pk=kwargs['question_id'])
        if 'answer' in kwargs:
            context['answer'] = get_object_or_404(Answer,pk=kwargs['answer_id'])
        return render(request, 'engine/mooclet_create.html', context)

    elif request.method == 'POST':
        mooclet_form = MoocletForm(request.POST)
        mooclet = mooclet_form.save()
        prev_url = request.POST['prev']
        return redirect(prev_url)

# 需要导入模块: from django.contrib.contenttypes.models import ContentType [as 别名]
# 或者: from django.contrib.contenttypes.models.ContentType import get_object_for_this_type [as 别名]
def mooclet_detail(request, **kwargs):
    '''
    mooclet home page
    required kwargs: quiz, mooclet, and all parent objects
    '''
    quiz = get_object_or_404(Quiz,pk=kwargs['quiz_id'])
    mooclet = get_object_or_404(Mooclet,pk=kwargs['mooclet_id'])

    # look up mooclet type and identify associated parent object

    # object class that the mooclet is attached to
    parent_content_type = mooclet.type.parent_content_type
    parent_content = ContentType.get_object_for_this_type(parent_content_type, pk=kwargs[parent_content_type.name+'_id'])
    
    # populate a mooclet context dict
    mooclet_context = {}
    if parent_content_type.name == 'question':
        mooclet_context['question'] = parent_content
    if parent_content_type.name == 'answer':
        mooclet_context['answer'] = parent_content
        mooclet_context['question'] = parent_content.question

    versions = mooclet.version_set.all()
    version_content_type = ContentType.objects.get_for_model(Version)

    mooclet_policy_form = MoocletPolicyForm(instance=mooclet)

    # page used to display variables that are version-specific
    if request.method == 'GET':

        context = {
            'quiz':quiz,
            'mooclet':mooclet,
            'versions':versions,
            'mooclet_policy_form':mooclet_policy_form,
        }

        # pass additional context variables for navigation
        context.update(mooclet_context)

        if 'question' in kwargs:
            context['question'] = get_object_or_404(Question,pk=kwargs['question_id'])
        if 'answer' in kwargs:
            context['answer'] = get_object_or_404(Answer,pk=kwargs['answer_id'])

        return render(request, 'engine/mooclet_detail.html',context)

    elif request.method == 'POST':
        # process mooclet policy form for adjusting policy
        mooclet_policy_form = MoocletPolicyForm(request.POST, instance=mooclet)
        mooclet = mooclet_policy_form.save()
        # converts dict of objs to dict of pks
        mooclet_context_pk = {name+'_id':obj.pk for name,obj in mooclet_context.items()}
        return redirect('engine:mooclet_detail', quiz_id=quiz.pk, mooclet_id=mooclet.pk, **mooclet_context_pk)     

# 需要导入模块: from django.contrib.contenttypes.models import ContentType [as 别名]
# 或者: from django.contrib.contenttypes.models.ContentType import get_object_for_this_type [as 别名]
def get_mooclet_context(mooclet):
    # content_type for model that the mooclet is attached to
    parent_content_type = mooclet.type.content_type
    # parent object instance
    parent_content = ContentType.get_object_for_this_type(parent_content_type, pk=parent_content_id) 

    if parent_content_type.name == 'question':
        question = parent_content
    elif parent_content_type.name == 'answer':
        answer = parent_content
        question = answer.question