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import random, datetime, os
from datetime import datetime, timedelta
from django.db import models
from django.utils import timezone
from django.contrib.auth.models import ContentType
from django.contrib.auth.models import User, Group, Permission
from sbhs_server import settings
# from django.conf import settings
MOD_GROUP_NAME = 'moderator'
def create_group(group_name, app_label):
try:
group = Group.objects.get(name=group_name)
except Group.DoesNotExist:
group = Group(name=group_name)
group.save()
# Get the models for the given app
content_types = ContentType.objects.filter(app_label=app_label)
permission_list = Permission.objects.filter(
content_type__in=content_types
)
group.permissions.add(*permission_list)
group.save()
return group
class Board(models.Model):
""" SBHS Board attributes"""
mid = models.IntegerField(unique=True)
online = models.BooleanField(default=False)
usb_path = models.URLField(max_length=200, default="/dev/ttyUSB0")
raspi_path = models.URLField(max_length=200, default="localhost:8000")
def save_board_details(self, raspi_ip, usb_mac_map):
for devices in usb_mac_map:
board = Board.objects.filter(mid=devices["sbhs_mac_id"])
if board.exists():
board = board.first()
else:
board = self
board.mid = devices["sbhs_mac_id"]
board.raspi_path = raspi_ip
board.usb_path = "/dev/ttyUSB{}".format(devices["usb_id"])
board.online = True
board.save()
class Meta:
ordering = ['mid',]
def __str__(self):
return '{}: {}'.format(self.mid, self.online)
class Profile(models.Model):
"""
Profile model to store user details.
"""
user = models.OneToOneField(User)
roll_number = models.CharField(max_length=20)
institute = models.CharField(max_length=128)
department = models.CharField(max_length=64)
position = models.CharField(max_length=64)
is_moderator = models.BooleanField(default=False)
is_email_verified = models.BooleanField(default=False)
activation_key = models.CharField(max_length=255,blank=True,null=True)
key_expiry_time = models.DateTimeField(blank=True,null=True)
def _toggle_moderator_group(self, group_name):
group = Group.objects.get(name=group_name)
if self.is_moderator:
self.user.groups.add(group)
else:
self.user.groups.remove(group)
def save(self, *args, **kwargs):
if self.pk is not None:
old_profile = Profile.objects.get(pk=self.pk)
if old_profile.is_moderator != self.is_moderator:
self._toggle_moderator_group(group_name=MOD_GROUP_NAME)
super(Profile, self).save(*args, **kwargs)
def __str__(self):
return '%s' % (self.user)
class Slot(models.Model):
user = models.ForeignKey(User)
start_time = models.DateTimeField("Start time of a slot",
default=timezone.now())
end_time = models.DateTimeField("End time of a slot",
default=timezone.now()+timedelta(
minutes=settings.SLOT_DURATION))
def __str__(self):
return '{} {}'.format(self.start_time, self.end_time)
def slots_now():
now = datetime.datetime.now()
slots = Slot.objects.filter(start_time=now)
return slots
class Experiment(models.Model):
slot = models.ForeignKey("Slot")
log = models.CharField(max_length=255)
checksum = models.CharField(max_length=255, null=True, blank=True)
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