def update_secs(secs):
for sec in secs:
max_num, curr_num, name, code, number = util.get_all(sec.crn, sec.term)
rem_num = max_num - curr_num
old_remain = sec.remain_seats_num
seats_change = rem_num - sec.remain_seats_num
sec.max_seats_num = max_num
sec.current_seats_num = curr_num
sec.remain_seats_num = rem_num
sec.save()
if seats_change > 0:
msg = "Wow! your class %s has new seats released!!\n Remain seats change from %s to %s" % (
sec.crn,
str(old_remain),
str(rem_num),
)
msg += (
"\n\n Once you don't need this section any more, "
"you can log in purdue-class.chenrendong.com to remove this"
" section."
)
users = sec.myuser_set.all()
restricts = sec.send_restrict.all()
if not old_remain:
emails = [user.user.email for user in users]
else:
emails = [user.user.email for user in users if user not in restricts]
if emails:
send_email.delay(emails, msg)
elif seats_change < 0:
msg = "Sorry!!! You class\n %s \nSeats are decreasing!!\n" % sec.crn
msg += "Remain seats change from %s to %s" % (str(rem_num - seats_change), str(rem_num))
def create_new_section(self, crn, term):
try:
max_num, curr_num, name, code, number = get_all(crn, term)
return self.create_section(
crn,
max_num,
curr_num,
term,
name,
code,
number,
)
except ParserException as e:
return e
def seats_check(request, class_crn = None):
result = None
exists = True
#GET
if request.method == 'GET':
term = request.GET.get('term', settings.CURRENT_TERM)
try:
term = convert_term_to_code(term)
except:
term = settings.CURRENT_TERM
try:
sec = Section.objects.get(crn = class_crn, term = term)
except:
exists = False
if not exists:
try:
max_num, curr_num, name, code, number = get_all(class_crn, term)
result = json.dumps(
{'code': 1,
'content': {'max_num' : max_num,
'curr_num' : curr_num,
'rem_num' : (max_num - curr_num),
'name' : name,
'code' : code,
'number' : number,
}
}
)
except Exception as e:
result = json.dumps({'code' : 0, 'content': str(e)})
else:
max_num = sec.max_seats_num
curr_num = sec.current_seats_num
rem_num = sec.remain_seats_num
name = sec.name
code = sec.code
number = sec.number
result = json.dumps(
{'code': 1,
'content': {'max_num' : max_num,
'curr_num' : curr_num,
'rem_num' : rem_num,
'name' : name,
'code' : code,
'number' : number,
}
}
)
# POST
elif request.method == 'POST':
post_json = json.loads(request.body)
term = post_json['term']
if not term:
term = settings.CURRENT_TERM
crns = post_json['content']
result = []
for crn in crns:
try:
sec = Section.objects.get(crn = class_crn, term = term)
except:
exists = False
if not exists:
try:
max_num, curr_num, name, code, number = get_all(crn, term)
result += json.dumps(
{'code': 1,
'content': {'max_num' : max_num,
'curr_num' : curr_num,
'rem_num' : (max_num - curr_num),
'name' : name,
'code' : code,
'number' : number,
}
}
)
except Exception as e:
result += json.dumps({'code' : 0, 'content': str(e)})
else:
max_num = sec.max_seats_num
curr_num = sec.current_seats_num
rem_num = sec.remain_seats_num
name = sec.name
code = sec.code
number = sec.number
result += json.dumps(
{'code': 1,
'content': {'max_num' : max_num,
'curr_num' : curr_num,
'rem_num' : rem_num,
'name' : name,
'code' : code,
'number' : number,
}
}
)
return HttpResponse(result, content_type="application/json")