from django db import models from PIL import Image class Tags models M

from django.db import models
from PIL import Image

class Tags(models.Model):
    tag_name=models.CharField(max_length=30)
    
    def __unicode__(self):
        return self.tag_name
    class Meta:
        ordering=('tag_name',)
        verbose_name_plural=("VideFileTags")
class CategoryVideoSubjects(models.Model):
    category=models.CharField(max_length=30)
    is_published=models.BooleanField(default=True)
    
    class Meta:
        ordering=('category',)
        verbose_name_plural=("VideoFileCategories")
    def __unicode__(self):
        return self.category 
    
    

# Create your models here.
class Upload(models.Model):
    title=models.CharField(max_length=200)
    subject=models.ForeignKey(CategoryVideoSubjects)
    author=models.CharField(max_length=200)
    source_url=models.URLField()
    about=models.TextField()
    description=models.TextField()
    tag=models.ManyToManyField(Tags)
    file_name=models.FileField(upload_to="vid_file")
    file_img=models.ImageField(upload_to="screan")
    """ 
    Resize photos in the model    
    """
    def save(self, size=(400, 300)):
        if not self.id and not self.file_img:
            return
        super(Upload, self).save()
        
        pw=self.file_img.width
        ph=self.file_img.height
        nw=size[0]
        nh=size[1]
        
        if (pw, ph) != (nw, nh):
	    filename = str(self.file_img.path)
	    image = Image.open(filename)
	    pr = float(pw) / float(ph)
	    nr = float(nw) / float(nh)
            if pr > nr:
                tw=int(round(nh*pr))
                image=image.resize((tw, nh), Image.ANTIALIAS)
                l=int(round((tw-nw)/2.0))
                image=image.crop((l, 0, l+nw, nh))
            elif pr<nr:
                th=int(round(nw/pr))
                image=image.resize((nw, th), Image.ANTIALIAS)
                t=int(round((th-nh)/2.0))
		image=image.crop((0, t, nw, t + nh))
            else:
                image=image.resize(size, Image.ANTIALIAS)
            image.save(filename)
    small_img=models.ImageField(upload_to="small_img")
    def save(self, size=(400, 300)):
        if not self.id and not self.small_img:
            return
        super(Upload, self).save()
        
        pw=self.small_img.width
        ph=self.small_img.height
        nw=size[0]
        nh=size[1]
        
        if (pw, ph) != (nw, nh):
	    filename = str(self.small_img.path)
	    image = Image.open(filename)
	    pr = float(pw) / float(ph)
	    nr = float(nw) / float(nh)
            if pr > nr:
                tw=int(round(nh*pr))
                image=image.resize((tw, nh), Image.ANTIALIAS)
                l=int(round((tw-nw)/2.0))
                image=image.crop((l, 0, l+nw, nh))
            elif pr<nr:
                th=int(round(nw/pr))
                image=image.resize((nw, th), Image.ANTIALIAS)
                t=int(round((th-nh)/2.0))
		image=image.crop((0, t, nw, t + nh))
            else:
                image=image.resize(size, Image.ANTIALIAS)
            image.save(filename)
    img3=models.ImageField(upload_to="small_img")
    img4=models.ImageField(upload_to="small_img")
    pub_date=models.DateField(auto_now_add=True)
    modify_date=models.DateField(auto_now_add=True)
    voiting=models.IntegerField(default=0)
    class Meta:
        verbose_name_plural=("Video files")
    def __unicode__(self):
        return(self.title)

#
class Categories(models.Model):
    category_name=models.CharField(max_length=200)
    published=models.BooleanField(default=True)
    

class Static(models.Model):
    title=models.CharField(max_length=200)
    about=models.TextField()
    description=models.TextField()
    
class Links(models.Model):
    title=models.CharField(max_length=200)
    about=models.TextField()
    link=models.URLField()
    published=models.BooleanField(default=True)