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from django.db import models
from django.contrib.auth.models import User, Group
import random, datetime, os
from sbhs_server import settings
class Board(models.Model):
""" SBHS Board attributes"""
mid = models.IntegerField(unique=True)
online = models.BooleanField(default=False)
# def allot_board():
# if Board.can_do_random_allotment():
# online_boards_count = len(settings.online_mids)
# board_num = random.randrange(online_boards_count)
# return settings.online_mids[board_num]
# else:
# online_boards = [int(x) for x in settings.online_mids]
# online_boards = sorted(online_boards)
# # When the account table is empty, allocate first board
# try:
# last_allocated_MID = Account.objects.select_related().order_by("-id")[0].board.mid;
# for o in online_boards:
# if int(o) > last_allocated_MID:
# return Board.objects.get(mid=o).id
# except Exception as e:
# pass
# # check if there is at least one online board
# try:
# return Board.objects.get(mid=online_boards[0]).id
# except Exception as e:
# return -1
# def image_link(self):
# """ Function to show the image obtained from webcam
# """
# return settings.WEBCAM_STATIC_DIR + "image" + '0'+str(self.mid) + ".jpeg"
class Profile(models.Model):
user = models.ForeignKey(User)
is_verified = models.BooleanField(default=False)
is_admin = models.BooleanField(default=False)
class Slot(models.Model):
start_time = models.DateTimeField("Start time of a slot")
duration = models.IntegerField(default=settings.SLOT_DURATION)
class Booking(models.Model):
user = models.ForeignKey(User)
slot = models.ForeignKey(Slot)
class Experiment(models.Model):
booking = models.ForeignKey("Booking")
log = models.CharField(max_length=255)
checksum = models.CharField(max_length=255, null=True, blank=True)
# class Webcam():
# """
# Utility function to capture webcam feeds using streamer
# """
# def __init__(self):
# pass
# @classmethod
# def load_image(className,mid):
# if int(mid) :
# command = "timeout 2s streamer -q -f jpeg -c /dev/video" + '0'+str(mid)
# print 'command1', command
# command += " -o " + settings.WEBCAM_DIR + "image" + '0'+str(mid) + ".jpeg"
# print 'command2', command
# os.system(command)
#
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