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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
from django import forms
from django.core.exceptions import ValidationError
from django.http import Http404, HttpResponse
from django.utils.dateparse import parse_datetime, parse_duration
from django.utils import timezone
from postgresqleu.util.widgets import MonospaceTextarea, SimpleTreeviewWidget
from postgresqleu.confreg.models import Conference, ConferenceSession, Track
from postgresqleu.confreg.models import MessagingProvider
from postgresqleu.confreg.twitter import post_conference_social, render_multiprovider_tweet
from postgresqleu.confreg.jinjafunc import get_all_available_attributes
from postgresqleu.confsponsor.models import Sponsor, SponsorshipLevel
from postgresqleu.util.messaging import get_messaging, get_messaging_class
from postgresqleu.util.messaging.short import get_shortened_post_length
import datetime
import random
def _timestamps_for_tweets(conference, starttime, interval, randint, num):
if isinstance(starttime, datetime.datetime):
t = starttime
else:
t = parse_datetime(starttime)
if not timezone.is_aware(t):
t = timezone.make_aware(t, conference.tzobj)
if isinstance(interval, datetime.time):
ival = datetime.timedelta(hours=interval.hour, minutes=interval.minute, seconds=interval.second)
else:
ival = parse_duration(interval)
if isinstance(randint, datetime.time):
rsec = datetime.timedelta(hours=randint.hour, minutes=randint.minute, seconds=randint.second).total_seconds()
else:
rsec = parse_duration(randint).total_seconds()
for i in range(num):
yield t
t += ival
t += datetime.timedelta(seconds=rsec * random.random())
if t.time() > conference.twitter_timewindow_end:
# Past the end of the day, so move it to the start time the next day
t = timezone.make_aware(
datetime.datetime.combine(t + datetime.timedelta(days=1), conference.twitter_timewindow_start),
conference.tzobj,
)
class BaseCampaignForm(forms.Form):
starttime = forms.DateTimeField(label="Date and time of first tweet", initial=timezone.now)
timebetween = forms.TimeField(label="Time between tweets", initial=datetime.time(6, 0, 0))
timerandom = forms.TimeField(label="Time randomization", initial=datetime.time(0, 30, 0),
help_text="A random time from zero to this is added after each time interval")
content_template = forms.CharField(max_length=2000,
widget=MonospaceTextarea,
required=True)
available_fields = forms.CharField(required=False, help_text="These fields are available as {{field}} in the template")
providers = forms.ModelMultipleChoiceField(required=True, queryset=None,
help_text="Which social media providers to post to")
dynamic_preview_fields = ['content_template', ]
confirm = forms.BooleanField(help_text="Confirm that you want to generate all the tweets for this campaign at this time", required=False)
def __init__(self, conference, *args, **kwargs):
self.conference = conference
self.field_order = ['starttime', 'timebetween', 'timerandom', 'content_template', 'available_fields', ] + self.custom_fields + ['confirm', ]
super(BaseCampaignForm, self).__init__(*args, *kwargs)
self.fields['providers'].queryset = MessagingProvider.objects.filter(conferencemessaging__conference=conference, active=True, conferencemessaging__broadcast=True)
self.fields['providers'].initial = [p.id for p in self.fields['providers'].queryset.all()]
self.fields['available_fields'].widget = SimpleTreeviewWidget(treedata=self.get_contextrefs())
if not all([self.data.get(f) for f in ['starttime', 'timebetween', 'timerandom', 'content_template'] + self.custom_fields]):
del self.fields['confirm']
else:
num = self.get_queryset().count()
tsl = list(_timestamps_for_tweets(conference,
self.data.get('starttime'),
self.data.get('timebetween'),
self.data.get('timerandom'),
num,
))
if tsl:
approxend = tsl[-1]
self.fields['confirm'].help_text = "Confirm that you want to generate all the tweets for this campaign at this time. Campaign will go on until approximately {}, with {} posts.".format(approxend, num)
else:
self.fields['confirm'].help_text = "Campaign matches no entries. Try again."
def get_contextrefs(self):
return {}
def clean_confirm(self):
if not self.cleaned_data['confirm']:
if self.get_queryset().count == 0:
del self.fields['confirm']
else:
raise ValidationError("Please check thix box to confirm that you want to generate all tweets!")
def clean(self):
if self.get_queryset().count() == 0:
self.add_error(None, 'Current filters return no entries. Fix your filters and try again!')
del self.fields['confirm']
return self.cleaned_data
def generate_tweets(self, author):
objects = list(self.get_queryset().order_by('?'))
for ts, obj in zip(_timestamps_for_tweets(self.conference, self.cleaned_data['starttime'], self.cleaned_data['timebetween'], self.cleaned_data['timerandom'], len(objects)), objects):
post_conference_social(self.conference,
self.generate_tweet(self.conference, obj, self.cleaned_data['content_template']),
approved=False,
posttime=ts,
author=author,
providers=self.cleaned_data['providers'])
class ApprovedSessionsCampaignForm(BaseCampaignForm):
tracks = forms.ModelMultipleChoiceField(required=True, queryset=Track.objects.all())
custom_fields = ['tracks', ]
def __init__(self, *args, **kwargs):
super(ApprovedSessionsCampaignForm, self).__init__(*args, **kwargs)
self.fields['tracks'].queryset = Track.objects.filter(conference=self.conference)
@classmethod
def generate_tweet(cls, conference, session, s):
return render_multiprovider_tweet(conference, s, {
'conference': conference,
'session': session,
})
@classmethod
def get_contextrefs(cls):
return {
'conference': dict(get_all_available_attributes(Conference)),
'session': dict(get_all_available_attributes(ConferenceSession)),
}
def get_queryset(self):
return ConferenceSession.objects.filter(conference=self.conference, status=1, cross_schedule=False, track__in=self.data.getlist('tracks'))
class SponsorsCampaignForm(BaseCampaignForm):
levels = forms.ModelMultipleChoiceField(required=True, queryset=SponsorshipLevel.objects.all())
custom_fields = ['levels', ]
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.fields['levels'].queryset = SponsorshipLevel.objects.filter(conference=self.conference)
@classmethod
def generate_tweet(cls, conference, sponsor, s):
return render_multiprovider_tweet(conference, s, {
'conference': conference,
'sponsor': sponsor,
})
@classmethod
def get_contextrefs(cls):
return {
'conference': dict(get_all_available_attributes(Conference)),
'sponsor': dict(get_all_available_attributes(Sponsor)),
}
def get_queryset(self):
return Sponsor.objects.filter(conference=self.conference, confirmed=True, level__in=self.data.getlist('levels'))
class BaseCampaign(object):
@classmethod
def get_dynamic_preview(self, conference, fieldname, templatestring):
messagingset = [(mess.provider, get_messaging(mess.provider)) for mess in conference.conferencemessaging_set.select_related('provider').filter(broadcast=True, provider__active=True)]
maxlens = {provider.internalname: mess.max_post_length for provider, mess in messagingset}
if fieldname == 'content_template':
posts = self.get_posts(conference, templatestring)
# Calculate the longest once for each messaging provider
longest = {}
for provider, mess in messagingset:
if provider.internalname not in maxlens:
maxlens[provider.internalname] = mess.max_post_length
if posts:
longest[provider.internalname] = max((get_shortened_post_length(
p.get(str(provider.id), '') if isinstance(p, dict) else p
)) for p in posts)
else:
longest[provider.internalname] = 0
def _post_preview(p):
val = random.choice(list(p.values())) if isinstance(p, dict) else p
length = get_shortened_post_length(val)
return val, length
previews = "\n\n".join([
"{}\n------------------------------- (length {})".format(*_post_preview(p))
for p in posts[:5]
])
return HttpResponse("{}\n\nLongest posts:\n{}\n".format(
previews,
"\n".join('{}: {}/{}'.format(k, longest[k], maxlens[k]) for k in sorted(maxlens.keys())),
), content_type='text/plain')
class ApprovedSessionsCampaign(BaseCampaign):
name = "Approved sessions campaign"
form = ApprovedSessionsCampaignForm
note = "This campaign will create one tweet for each approved session in the system."
@classmethod
def get_posts(cls, conference, templatestring):
return [cls.form.generate_tweet(conference, session, templatestring) for session in ConferenceSession.objects.filter(conference=conference, status=1, cross_schedule=False)]
class SponsorCampaign(BaseCampaign):
name = "Sponsors campaign"
form = SponsorsCampaignForm
note = "This campaign will create one tweet for each sponsor."
@classmethod
def get_posts(cls, conference, templatestring):
return [cls.form.generate_tweet(conference, sponsor, templatestring) for sponsor in Sponsor.objects.filter(conference=conference, confirmed=True)]
allcampaigns = (
(1, ApprovedSessionsCampaign),
(2, SponsorCampaign),
)
def get_campaign_from_id(id):
for i, c in allcampaigns:
if i == int(id):
return c
raise Http404()
|