# -*- coding: utf-8 -*-

'''

Created on Jan 27, 2012

@author: ymh

'''

from django.db import models

from hdabo.models import Tag

class TagYears(models.Model):

    tag = models.ForeignKey(Tag, related_name="years", blank=False, null=False, db_index=True)

    start_year = models.IntegerField(blank=False, null=False, db_index=True)

    end_year = models.IntegerField(blank=False, null=False, db_index=True)

    class Meta:

        app_label = 'hdalab'

class TagLinks(models.Model):

    subject = models.ForeignKey(Tag, blank=False, null=False, db_index=True, related_name="taglinks_subjects")

    object = models.ForeignKey(Tag, blank=False, null=False, db_index=True, related_name="taglinks_objects")

    class Meta:

        app_label = 'hdalab'

    class Meta:

        app_label = 'hdalab'

class DbpediaFields(models.Model):

    dbpedia_uri = models.URLField(verify_exists=False, max_length=2048, blank=False, null=False, db_index=True, unique=False)

    tag = models.OneToOneField(Tag, blank=True, null=True, db_index=True, related_name="dbpedia_fields")

    abstract = models.TextField(blank=True, null=True)

    label = models.CharField(max_length=2048, unique=False, blank=True, null=True)

    thumbnail = models.URLField(verify_exists=False, max_length=2048, blank=True, null=True, db_index=False)

    class Meta:

        app_label = 'hdalab'

class HdaSession(models.Model):

    sessionid = models.CharField(max_length=36, unique=True, blank=False, null=False, db_index=True)

    data = models.TextField(blank=True, null=True)

    class Meta:

        app_label = 'hdalab'