from django.db import models
from django.contrib.auth.models import User
from jayparlar.tags.models import TaggedItem
from django.contrib.markup.templatetags.markup import markdown

STATUS_CHOICES = (
                   ('Draft','Draft'),
                   ('Published','Published')
                   )

class Post(models.Model):
    title = models.CharField(maxlength=200)
    slug = models.SlugField(prepopulate_from=('title',))
    pub_date = models.DateTimeField('date published', auto_now_add=True)
    body = models.TextField()
    body_html = models.TextField(blank=True)
    tags = models.GenericRelation(TaggedItem)
    image = models.ImageField(upload_to='images/', blank=True)
    author = models.ForeignKey(User)
    status = models.CharField(maxlength=32, choices=STATUS_CHOICES,radio_admin=True, default='Draft')
   

    def save(self):
        self.body_html = markdown(self.body)
        super(Post, self).save()


    class Meta:
        ordering = ('-pub_date',)
        get_latest_by = 'pub_date'
        db_table = "blog_posts"
    
    class Admin:
        list_display = ('title','pub_date', 'tag_list')
   
        js = ["js/MochiKit/MochiKit.js",
              "js/modify_post_admin.js"]
    
    def tag_list(self):
        return ", ".join([tag.tag for tag in self.tags.all()])

    def __str__(self):
        return self.title
    
    def get_absolute_url(self):
        return "/blog/%s/%s/" % (self.pub_date.strftime("%Y/%m/%d"), self.slug)