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import datetime
from django.db import models
import markdown
PUB_STATUS = (
(0, 'Draft'),
(1, 'Published'),
)
def markdown_processor(md):
return markdown.markdown(md, ['footnotes'], safe_mode=False)
class Experiment(models.Model):
title = models.CharField(max_length=254)
slug = models.SlugField()
date_created = models.DateField(auto_now_add=True)
date_start = models.DateField()
date_end_actual = models.DateField(blank=True, null=True)
date_end_projected = models.DateField(blank=True)
duration = models.PositiveSmallIntegerField(default=30)
status = models.IntegerField(choices=PUB_STATUS, default=0)
body_html = models.TextField(blank=True)
body_markdown = models.TextField()
class Meta:
app_label = 'projects'
ordering = ('-date_start',)
# Returns the string representation of the model.
def __str__(self):
return self.title
def get_absolute_url(self):
return "/projects/experiments/%s/%s/" % (self.pub_date.strftime("%Y").lower(), self.slug)
def days_remaining(self):
return self.date_end_projected - datetime.date.today()
@property
def get_previous_published(self):
return self.get_previous_by_pub_date(status__exact=1)
@property
def get_next_published(self):
return self.get_next_by_pub_date(status__exact=1)
def comment_period_open(self):
return self.enable_comments and datetime.datetime.today() - datetime.timedelta(30) <= self.pub_date
def save(self):
self.body_html = markdown_processor(self.body_markdown)
self.date_end_projected = self.date_start + datetime.timedelta(self.duration)
super(Experiment, self).save()
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