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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
import datetime
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes import generic
from django.contrib.auth.models import User
from django.db import models
from django.utils.translation import ugettext as _
from django.utils.html import escape
from askbot import const
from django.core.urlresolvers import reverse
class VoteManager(models.Manager):
def get_up_vote_count_from_user(self, user):
if user is not None:
return self.filter(user=user, vote=1).count()
else:
return 0
def get_down_vote_count_from_user(self, user):
if user is not None:
return self.filter(user=user, vote=-1).count()
else:
return 0
def get_votes_count_today_from_user(self, user):
if user is not None:
today = datetime.date.today()
return self.filter(user=user, voted_at__range=(today, today + datetime.timedelta(1))).count()
else:
return 0
class Vote(models.Model):
VOTE_UP = +1
VOTE_DOWN = -1
VOTE_CHOICES = (
(VOTE_UP, u'Up'),
(VOTE_DOWN, u'Down'),
)
user = models.ForeignKey('auth.User', related_name='votes')
voted_post = models.ForeignKey('Post', related_name='votes')
vote = models.SmallIntegerField(choices=VOTE_CHOICES)
voted_at = models.DateTimeField(default=datetime.datetime.now)
objects = VoteManager()
class Meta:
unique_together = ('user', 'voted_post')
app_label = 'askbot'
db_table = u'vote'
def __unicode__(self):
return u'[%s] voted at %s: %s' %(self.user, self.voted_at, self.vote)
def __int__(self):
"""1 if upvote -1 if downvote"""
return self.vote
def is_upvote(self):
return self.vote == self.VOTE_UP
def is_downvote(self):
return self.vote == self.VOTE_DOWN
def is_opposite(self, vote_type):
assert(vote_type in (self.VOTE_UP, self.VOTE_DOWN))
return self.vote != vote_type
def cancel(self):
"""cancel the vote
while taking into account whether vote was up
or down
return change in score on the post
"""
#importing locally because of circular dependency
from askbot import auth
score_before = self.voted_post.points
if self.vote > 0:
# cancel upvote
auth.onUpVotedCanceled(self, self.voted_post, self.user)
else:
# cancel downvote
auth.onDownVotedCanceled(self, self.voted_post, self.user)
score_after = self.voted_post.points
return score_after - score_before
class BadgeData(models.Model):
"""Awarded for notable actions performed on the site by Users."""
slug = models.SlugField(max_length=50, unique=True)
awarded_count = models.PositiveIntegerField(default=0)
awarded_to = models.ManyToManyField(
User, through='Award', related_name='badges'
)
def _get_meta_data(self):
"""retrieves badge metadata stored
in a file"""
from askbot.models import badges
return badges.get_badge(self.slug)
def is_multiple(self):
return self._get_meta_data().multiple
def get_name(self):
return self._get_meta_data().name
def get_description(self):
return self._get_meta_data().description
def get_css_class(self):
return self._get_meta_data().css_class
def get_type_display(self):
#todo - rename "type" -> "level" in this model
return self._get_meta_data().get_level_display()
class Meta:
app_label = 'askbot'
ordering = ('slug',)
def __unicode__(self):
return u'%s: %s' % (self.get_type_display(), self.slug)
def get_absolute_url(self):
return '%s%s/' % (reverse('badge', args=[self.id]), self.slug)
class Award(models.Model):
"""The awarding of a Badge to a User."""
user = models.ForeignKey(User, related_name='award_user')
badge = models.ForeignKey(BadgeData, related_name='award_badge')
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
content_object = generic.GenericForeignKey('content_type', 'object_id')
awarded_at = models.DateTimeField(default=datetime.datetime.now)
notified = models.BooleanField(default=False)
def __unicode__(self):
return u'[%s] is awarded a badge [%s] at %s' % (self.user.username, self.badge.get_name(), self.awarded_at)
class Meta:
app_label = 'askbot'
db_table = u'award'
class ReputeManager(models.Manager):
def get_reputation_by_upvoted_today(self, user):
"""
For one user in one day, he can only earn rep till certain score (ep. +200)
by upvoted(also subtracted from upvoted canceled). This is because we need
to prohibit gaming system by upvoting/cancel again and again.
"""
if user is None:
return 0
else:
today = datetime.date.today()
tomorrow = today + datetime.timedelta(1)
rep_types = (1,-8)
sums = self.filter(models.Q(reputation_type__in=rep_types),
user=user,
reputed_at__range=(today, tomorrow),
).aggregate(models.Sum('positive'), models.Sum('negative'))
if sums:
pos = sums['positive__sum']
neg = sums['negative__sum']
if pos is None:
pos = 0
if neg is None:
neg = 0
return pos + neg
else:
return 0
class Repute(models.Model):
"""The reputation histories for user"""
user = models.ForeignKey(User)
#todo: combine positive and negative to one value
positive = models.SmallIntegerField(default=0)
negative = models.SmallIntegerField(default=0)
question = models.ForeignKey('Post', null=True, blank=True)
reputed_at = models.DateTimeField(default=datetime.datetime.now)
reputation_type = models.SmallIntegerField(choices=const.TYPE_REPUTATION)
reputation = models.IntegerField(default=1)
#comment that must be used if reputation_type == 10
#assigned_by_moderator - so that reason can be displayed
#in that case Question field will be blank
comment = models.CharField(max_length=128, null=True)
objects = ReputeManager()
def __unicode__(self):
return u'[%s]\' reputation changed at %s' % (self.user.username, self.reputed_at)
class Meta:
app_label = 'askbot'
db_table = u'repute'
def get_explanation_snippet(self):
"""returns HTML snippet with a link to related question
or a text description for a the reason of the reputation change
in the implementation description is returned only
for Repute.reputation_type == 10 - "assigned by the moderator"
part of the purpose of this method is to hide this idiosyncracy
"""
if self.reputation_type == 10:#todo: hide magic number
return _('<em>Changed by moderator. Reason:</em> %(reason)s') \
% {'reason':self.comment}
else:
delta = self.positive + self.negative#.negative is < 0 so we add!
link_title_data = {
'points': abs(delta),
'username': self.user.username,
'question_title': self.question.thread.title
}
return '<a href="%(url)s">%(question_title)s</a>' \
% {
'url': self.question.get_absolute_url(),
'question_title': escape(self.question.thread.title),
}
|