11👍
Option #1:
models.py
CHOICES_QUALITY = (
('1', 'HD YB'),
('2', 'HD BJ'),
('3', 'HD POQD'),
('4', 'HD ANBC'),
)
class Article(models.Model):
title = models.CharField(max_length=100)
slug = models.SlugField()
description = models.TextField()
def archive_quality(self):
quality = self.archive_set.order_by('-quality').distinct().values_list(
'quality', flat=True)
lists = []
for q in quality:
for choice in CHOICES_QUALITY:
if choice[0] == q:
lists.append({'quality': choice[1]})
return lists
class Archive(models.Model):
article = models.ForeignKey(Article)
quality = models.CharField(max_length=100, choices=CHOICES_QUALITY)
template
{% for article in articles %}
{% for item in article.archive_quality %}
{{ item.quality }},
{% endfor %}
{% endfor %}
Option #2:
archive_tag.py
from django import template
from app_name.models import CHOICES_QUALITY
register = template.Library()
@register.filter
def quality(q):
for choice in CHOICES_QUALITY:
if choice[0] == q:
return choice[1]
return ''
template
{% load archive_tag %}
{% for article in articles %}
{% for item in article.archive_quality %}
{{ item|quality }},
{% endfor %}
{% endfor %}
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Source:stackexchange.com