141 lines
4.4 KiB
Python
141 lines
4.4 KiB
Python
import random
|
|
import uuid
|
|
from functools import cached_property, reduce
|
|
|
|
import readtime
|
|
from django.contrib.auth.models import AbstractUser
|
|
from django.contrib.contenttypes.models import ContentType
|
|
from django.db import models
|
|
from django.template.defaultfilters import slugify
|
|
from django.urls import reverse
|
|
from django.utils import timezone
|
|
|
|
from articles.utils import (
|
|
build_full_absolute_url,
|
|
format_article_content,
|
|
get_html_to_text_converter,
|
|
truncate_words_after_char_count,
|
|
)
|
|
|
|
|
|
class User(AbstractUser):
|
|
pass
|
|
|
|
|
|
class Article(models.Model):
|
|
DRAFT = "draft"
|
|
PUBLISHED = "published"
|
|
STATUS_CHOICES = [
|
|
(DRAFT, "Draft"),
|
|
(PUBLISHED, "Published"),
|
|
]
|
|
title = models.CharField(max_length=255)
|
|
content = models.TextField()
|
|
status = models.CharField(max_length=15, choices=STATUS_CHOICES, default=DRAFT)
|
|
published_at = models.DateTimeField(null=True, blank=True)
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
|
updated_at = models.DateTimeField(auto_now=True)
|
|
author = models.ForeignKey(User, on_delete=models.PROTECT, default=1)
|
|
views_count = models.IntegerField(default=0)
|
|
slug = models.SlugField(unique=True, max_length=255)
|
|
keywords = models.CharField(max_length=255, blank=True)
|
|
has_code = models.BooleanField(default=False, blank=True)
|
|
is_home = models.BooleanField(default=False, blank=True)
|
|
custom_css = models.TextField(blank=True)
|
|
draft_key = models.UUIDField(default=uuid.uuid4)
|
|
|
|
class Meta:
|
|
ordering = ["-published_at"]
|
|
|
|
def __str__(self):
|
|
return f"{self.title}"
|
|
|
|
def get_absolute_url(self):
|
|
return reverse("article-detail", kwargs={"slug": self.slug})
|
|
|
|
def get_abstract(self):
|
|
html = self.get_formatted_content
|
|
return html.split("<!--more-->")[0]
|
|
|
|
@cached_property
|
|
def get_description(self):
|
|
html = self.get_formatted_content
|
|
converter = get_html_to_text_converter()
|
|
text = converter.handle(html)
|
|
return truncate_words_after_char_count(text, 160)
|
|
|
|
@cached_property
|
|
def get_formatted_content(self):
|
|
return format_article_content(self.content)
|
|
|
|
def publish(self):
|
|
if not self.published_at:
|
|
self.published_at = timezone.now()
|
|
self.status = self.PUBLISHED
|
|
self.save()
|
|
return self
|
|
|
|
def unpublish(self):
|
|
self.published_at = None
|
|
self.status = self.DRAFT
|
|
self.save()
|
|
return self
|
|
|
|
def save(self, *args, **kwargs):
|
|
if not self.slug:
|
|
self.slug = slugify(self.title)
|
|
return super().save(*args, **kwargs)
|
|
|
|
@property
|
|
def draft_public_url(self):
|
|
url = self.get_absolute_url() + f"?draft_key={self.draft_key}"
|
|
return build_full_absolute_url(request=None, url=url)
|
|
|
|
def refresh_draft_key(self):
|
|
self.draft_key = uuid.uuid4()
|
|
self.save()
|
|
|
|
def get_read_time(self):
|
|
content = self.get_formatted_content
|
|
if content:
|
|
return readtime.of_html(content).minutes
|
|
return 0
|
|
|
|
@cached_property
|
|
def get_related_articles(self):
|
|
related_articles = set()
|
|
for keyword in self.get_formatted_keywords:
|
|
potential_articles = Article.objects.filter(
|
|
keywords__icontains=keyword,
|
|
status=Article.PUBLISHED,
|
|
).exclude(pk=self.pk)
|
|
for article in potential_articles:
|
|
if keyword in article.get_formatted_keywords:
|
|
related_articles.add(article)
|
|
sample_size = min([len(related_articles), 3])
|
|
return random.sample(related_articles, sample_size)
|
|
|
|
@cached_property
|
|
def get_formatted_keywords(self):
|
|
return list(
|
|
filter(None, map(lambda k: k.strip().lower(), self.keywords.split(",")))
|
|
)
|
|
|
|
@cached_property
|
|
def get_minified_custom_css(self):
|
|
def reducer(res, next_char):
|
|
if len(res) == 0:
|
|
return next_char
|
|
if res[-1] == next_char == " ":
|
|
return res
|
|
return res + next_char
|
|
|
|
css = self.custom_css.replace("\n", " ")
|
|
return reduce(reducer, css, "")
|
|
|
|
def get_admin_url(self):
|
|
content_type = ContentType.objects.get_for_model(self.__class__)
|
|
return reverse(
|
|
"admin:%s_%s_change" % (content_type.app_label, content_type.model),
|
|
args=(self.id,),
|
|
)
|