Вернуть вычисление ачивок у отправителей

[borisovodov]

def update_achievements(self, request, queryset):
    for sender in queryset:
        sender.update_achievements()

def update_achievements(self):
        self.achievements.clear()

        if self.countries().count() > 2:
            achievement, created = Achievement.objects.get_or_create(name='3 Countries')
            self.achievements.add(achievement)
        if self.countries().count() > 4:
            achievement, created = Achievement.objects.get_or_create(name='5 Countries')
            self.achievements.add(achievement)
        if self.countries().count() > 9:
            achievement, created = Achievement.objects.get_or_create(name='10 Countries')
            self.achievements.add(achievement)
        if self.countries().count() > 49:
            achievement, created = Achievement.objects.get_or_create(name='50 Countries')
            self.achievements.add(achievement)
        if self.cities().count() > 2:
            achievement, created = Achievement.objects.get_or_create(name='3 Cities')
            self.achievements.add(achievement)
        if self.cities().count() > 4:
            achievement, created = Achievement.objects.get_or_create(name='5 Cities')
            self.achievements.add(achievement)
        if self.cities().count() > 9:
            achievement, created = Achievement.objects.get_or_create(name='10 Cities')
            self.achievements.add(achievement)
        if self.cities().count() > 49:
            achievement, created = Achievement.objects.get_or_create(name='50 Cities')
            self.achievements.add(achievement)
        if self.languages().count() > 2:
            achievement, created = Achievement.objects.get_or_create(name='3 Languages')
            self.achievements.add(achievement)
        if self.languages().count() > 4:
            achievement, created = Achievement.objects.get_or_create(name='5 Languages')
            self.achievements.add(achievement)
        if self.languages().count() > 9:
            achievement, created = Achievement.objects.get_or_create(name='10 Languages')
            self.achievements.add(achievement)
        if self.languages().count() > 49:
            achievement, created = Achievement.objects.get_or_create(name='50 Languages')
            self.achievements.add(achievement)
        if len(set([ newspaper.city.continent for newspaper in self.newspapers() ])) > 1:
            achievement, created = Achievement.objects.get_or_create(name='2 Continents')
            self.achievements.add(achievement)
        if len(set([ newspaper.city.continent for newspaper in self.newspapers() ])) > 2:
            achievement, created = Achievement.objects.get_or_create(name='3 Continents')
            self.achievements.add(achievement)
        if len(set([ newspaper.city.continent for newspaper in self.newspapers() ])) > 3:
            achievement, created = Achievement.objects.get_or_create(name='4 Continents')
            self.achievements.add(achievement)
        if len(set([ newspaper.city.continent for newspaper in self.newspapers() ])) > 4:
            achievement, created = Achievement.objects.get_or_create(name='5 Continents')
            self.achievements.add(achievement)
        if len(set([ newspaper.city.continent for newspaper in self.newspapers() ])) > 5:
            achievement, created = Achievement.objects.get_or_create(name='6 Continents')
            self.achievements.add(achievement)
        if len(set([ newspaper.city.hemisphere() for newspaper in self.newspapers() ])) == 2:
            achievement, created = Achievement.objects.get_or_create(name='Both Hemisphere')
            self.achievements.add(achievement)
        years = len(set([ newspaper.date.year for newspaper in self.newspapers() ]))
        if years > 3:
            achievement, created = Achievement.objects.get_or_create(name='3 Years')
            self.achievements.add(achievement)
        if years > 4:
            achievement, created = Achievement.objects.get_or_create(name='5 Years')
            self.achievements.add(achievement)
        if years > 9:
            achievement, created = Achievement.objects.get_or_create(name='10 Years')
            self.achievements.add(achievement)

        self.save()