1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
# The Summit Scheduler web application
# Copyright (C) 2008 - 2013 Ubuntu Community, Canonical Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import random
import hashlib
from datetime import datetime
from django.db import models
from django.contrib.auth.models import User
from django.conf import settings
from django.core.urlresolvers import reverse
from summit.schedule.models.summitmodel import Summit
from summit.schedule.models.trackmodel import Track
__all__ = (
'Attendee',
'AttendeeBusy',
)
HELP_TEXT = {
"from_launchpad": (
"Set to indicate the attendee comes from registering in Launchpad."
"Don't set this if you are adding the attendee, as they may end up "
"getting deleted or changed if you do."
),
}
class Attendee(models.Model):
summit = models.ForeignKey(Summit)
user = models.ForeignKey(User)
start_utc = models.DateTimeField(
db_column='start',
verbose_name="Start (UTC)")
end_utc = models.DateTimeField(db_column='end',
verbose_name="End (UTC)")
# FIXME restrict to tracks that match summit
tracks = models.ManyToManyField(Track, blank=True)
crew = models.BooleanField(db_column='crew',
verbose_name='Willing to be Crew',
default=False)
secret_key_id = models.CharField(max_length=32, blank=True, null=True)
from_launchpad = models.BooleanField(
default=False,
help_text=HELP_TEXT["from_launchpad"]
)
class Meta:
app_label = 'schedule'
ordering = ('user__username', 'summit')
def __unicode__(self):
return "%s (%s)" % (self.user.username, self.summit.name)
def _get_start(self):
return self.summit.localize(self.start_utc)
def _set_start(self, start):
self.start_utc = self.summit.delocalize(start)
start = property(_get_start, _set_start)
def _get_end(self):
return self.summit.localize(self.end_utc)
def _set_end(self, end):
self.end_utc = self.summit.delocalize(end)
end = property(_get_end, _set_end)
def get_secret_key(self):
if not self.secret_key_id:
# generate a new secret key id
key = hashlib.md5()
key.update(str(self.pk))
key.update(self.user.username)
key.update(str(random.random()))
self.secret_key_id = key.hexdigest()
self.save()
return self.secret_key_id
def set_secret_key(self, key):
self.secret_key_id = key
secret_key = property(get_secret_key, set_secret_key)
def ical_url(self):
return getattr(
settings,
'SITE_ROOT',
'http://summit.ubuntu.com'
) + reverse(
'summit.schedule.views.user_private_ical',
args=(self.summit.name, self.secret_key)
)
def update_from_launchpad(self, elem):
"""Update from Launchpad data."""
# Update attendance start and end times from LP, we always stash
# naive UTC datetimes into the db since that's what we get out
if self.from_launchpad is True:
start = elem.get("start")
if start:
self.start = datetime.strptime(start, "%Y-%m-%dT%H:%M:%SZ")
end = elem.get("end")
if end:
self.end = datetime.strptime(end, "%Y-%m-%dT%H:%M:%SZ")
self.from_launchpad = True
self.save()
# Update user information from LP, we generally do this when they
# login; but maybe they never will (logic copied from openid auth)
fullname = elem.get("displayname", '')
if fullname:
#if ' ' in fullname:
fullname = fullname.strip()
split_names = fullname.rsplit(None, 1)
if len(split_names) == 2:
self.user.first_name, self.user.last_name = split_names
self.user.first_name = self.user.first_name[:30]
self.user.last_name = self.user.last_name[:30]
else:
self.user.first_name = u''
self.user.last_name = fullname[:30]
self.user.save()
def available(self, slot):
"""Return whether the attendee is available for a given slot."""
if slot.start_utc < self.start_utc:
# Slot begins before we arrive
return False
if slot.end_utc > self.end_utc:
# Slot ends after we leave
return False
# Slot overlaps or contains a busy period
for busy in self.busy_set.all():
if busy.start_utc < slot.end_utc and busy.end_utc > slot.start_utc:
return False
return True
def name(self):
"""Returns a full name, or username if not available."""
return self.user.get_full_name() or self.user.username
class AttendeeBusy(models.Model):
attendee = models.ForeignKey(Attendee, related_name='busy_set')
start_utc = models.DateTimeField(db_column='start',
verbose_name="Start (UTC)")
end_utc = models.DateTimeField(db_column='end',
verbose_name="End (UTC)")
class Meta:
app_label = 'schedule'
ordering = ('attendee', 'start_utc', 'end_utc')
verbose_name = 'busy'
verbose_name_plural = 'busy'
def __unicode__(self):
return self.span
@property
def span(self):
if self.start.date() == self.end.date():
return "%s..%s" % (self.start.strftime("%Y-%m-%d %H:%M"),
self.end.strftime("%H:%M"))
else:
return "%s..%s" % (self.start.strftime("%Y-%m-%dT%H:%M"),
self.end.strftime("%Y-%m-%dT%H:%M"))
def _get_start(self):
return self.attendee.summit.localize(self.start_utc)
def _set_start(self, start):
self.start_utc = self.attendee.summit.delocalize(start)
start = property(_get_start, _set_start)
def _get_end(self):
return self.attendee.summit.localize(self.end_utc)
def _set_end(self, end):
self.end_utc = self.attendee.summit.delocalize(end)
end = property(_get_end, _set_end)
|