def index(request):
"""
Função que gera a lista de posts do blog.
Gerar a paginação de acordo com o número definido na variável "number_of_posts".
:return: Retorna os posts do blog
"""
next_lectures = Blog.objects.filter(
translations__language_code__in=get_active_language_choices(),
translations__date_time__gt=datetime.datetime.now()
).order_by('translations__date_time')
next_lectures_ids = next_lectures.values_list('pk', flat=True)
blog_list = Blog.objects.active_translations().exclude(pk__in=next_lectures_ids)
number_of_posts = 4
paginator = Paginator(blog_list, number_of_posts)
page = request.GET.get('page')
try:
posts = paginator.page(page)
except PageNotAnInteger:
# Se a página não é um inteiro, mostrar a primeira página.
posts = paginator.page(1)
except EmptyPage:
# Se a página está fora do intervalo (por exemplo 9999), mostrar a última página de resultados.
posts = paginator.page(paginator.num_pages)
context = {'posts': posts, 'next_lectures': next_lectures}
return render(request, 'blog/blog.html', context)
def active_translations(self, language_code=None):
"""
Only return objects which are translated, or have a fallback that should be displayed.
Typically that's the currently active language and fallback language.
When ``hide_untranslated = True``, only the currently active language will be returned.
"""
# Default: (language, fallback) when hide_translated == False
# Alternative: (language,) when hide_untranslated == True
language_codes = get_active_language_choices(language_code)
return self.translated(*language_codes)
def active_translations(self, language_code=None):
"""
Only return objects which are translated, or have a fallback that should be displayed.
Typically that's the currently active language and fallback language.
When ``hide_untranslated = True``, only the currently active language will be returned.
"""
# Default: (language, fallback) when hide_translated == False
# Alternative: (language,) when hide_untranslated == True
language_codes = get_active_language_choices(language_code)
return self.translated(*language_codes)
def get_queryset(self):
try:
langs = get_active_language_choices()
lang1 = langs[0]
lang2 = langs[1] if len(langs) > 1 else "nonexistent"
except ValueError:
lang1 = settings.LANGUAGE_CODE
try:
lang2 = settings.LANGUAGES[1][0]
except IndexError:
lang2 = "nonexistent"
return (super().get_queryset().annotate(translation1=FilteredRelation(
"translations", condition=Q(translations__language_code=lang1)
)).annotate(translation2=FilteredRelation(
"translations", condition=Q(
translations__language_code=lang2))).annotate(
descr=Coalesce("translation1__descr",
"translation2__descr")).order_by("descr"))
def get_queryset(self):
langs = get_active_language_choices()
lang1 = langs[0]
lang2 = langs[1] if len(langs) > 1 else "nonexistent"
return (
super()
.get_queryset()
.annotate(
translation1=FilteredRelation(
"translations", condition=Q(translations__language_code=lang1)
)
)
.annotate(
translation2=FilteredRelation(
"translations", condition=Q(translations__language_code=lang2)
)
)
.annotate(descr=Coalesce("translation1__descr", "translation2__descr"))
.order_by("descr")
)
def get_language_choices(self):
"""
Define the language choices for the view, defaults to the defined
settings.
"""
return get_active_language_choices(self.current_language)
def get_language_choices(self):
"""
Define the language choices for the view, defaults to the defined settings.
"""
return get_active_language_choices(self.get_language())
def test_language_codes(self):
codes = ['en', 'es']
active_codes = get_active_language_choices()
for code in codes:
self.assertTrue(code in active_codes)