# encoding: utf-8

# Copyright 2011 Tree.io Limited

# This file is part of Treeio.

# License www.tree.io/license

"""

Change Control models

"""

from django.db import models

from django.core.urlresolvers import reverse

from treeio.core.models import User, Object

from datetime import datetime

class ChangeSetStatus(Object):

"State information about a ChangeSet"

name = models.CharField(max_length=256)

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

active = models.BooleanField(default=True)

hidden = models.BooleanField(default=False)

searchable = False

def __unicode__(self):

return self.name

def get_absolute_url(self):

"Returns absolute URL of the object"

return reverse('changes_status_view', args=[self.id])

class Meta:

"ChangeSetStatus"

ordering = ('hidden', '-active', 'name')

# ChangeSet model

class ChangeSet(models.Model):

""" Change Set model"""

name = models.CharField(max_length=255)

object = models.ForeignKey(Object, related_name='changeset_object_set')

author = models.ForeignKey(User, null=True, blank=True, related_name='author', on_delete=models.SET_NULL)

resolved_by = models.ForeignKey(User, null=True, blank=True, on_delete=models.SET_NULL)

resolved_on = models.DateTimeField(null=True, blank=True)

status = models.ForeignKey(ChangeSetStatus)

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

date_created = models.DateTimeField(default=datetime.now)

def __unicode__(self):

return self.name

def get_absolute_url(self):

"Returns absolute URL of the object"

return reverse('changes_set_view', args=[self.id])

class Meta:

"ChangeSet"

ordering = ('-date_created', 'name')

# Change Model

class Change(models.Model):

""" Change model """

change_set = models.ForeignKey(ChangeSet)

change_type = models.CharField(max_length=255, null=True, blank=True)

field = models.CharField(max_length=255, null=True, blank=True)

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

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

date_created = models.DateTimeField(default=datetime.now)

def __unicode__(self):

return self.status

def get_absolute_url(self):

"Returns absolute URL of the object"

return reverse('changes_change_view', args=[self.id])

class Meta:

"Change"

ordering = ['-date_created']