def schedule_object(request):
log = logging.getLogger('abcast.schedulerviews.schedule_object')
if not request.user.has_perm('abcast.schedule_emission'):
log.warning('unauthorized attempt to schedule emission by: %s' % request.user)
return { 'message': _('Sorry - you are not allowed to schedule an emission.') }
ct = request.POST.get('ct', None)
obj_id = request.POST.get('obj_id', None)
top = request.POST.get('top', None)
left = request.POST.get('left', None)
range_start = request.POST.get('range_start', None)
range_end = request.POST.get('range_end', None)
channel_id = request.POST.get('channel_id', SCHEDULER_DEFAULT_CHANNEL_ID)
channel = Channel.objects.get(pk=channel_id)
color = request.POST.get('color', 0)
num_days = request.POST.get('num_days', SCHEDULER_NUM_DAYS)
log.debug('content type: %s' % ct)
if ct == 'playlist':
obj = Playlist.objects.get(pk=int(obj_id))
log.debug('object to schedule: %s' % obj.name)
if not (obj.broadcast_status == 1 and obj.type == 'broadcast'):
log.warning('attempt to shedule invalid playlist. pk: %s' % obj.pk)
return { 'message': _('Sorry - this playlist does not meet all criterias to be scheduled.') }
pph = SCHEDULER_PPH
# ppd = SCHEDULER_PPD
ppd = (SCHEDULER_GRID_WIDTH - SCHEDULER_GRID_OFFSET) / int(num_days)
top = float(top) / pph * 60
offset_min = int(15 * round(float(top)/15))
left = float(left) / ppd
offset_d = int(round(float(left)))
log.debug('minutes (offset): %s' % offset_min)
log.debug('days (offset): %s' % offset_d)
# calculate actual date/time for position
schedule_start = datetime.datetime.strptime('%s 00:00' % range_start, '%Y-%m-%d %H:%M')
# add offsets
time_start = schedule_start + datetime.timedelta(minutes=offset_min)
time_start = time_start + datetime.timedelta(days=offset_d)
time_start = time_start + datetime.timedelta(hours=SCHEDULER_OFFSET)
# time_end = time_start + datetime.timedelta(milliseconds=obj.get_duration())
# for duration calculation we use the 'target duration' (to avoid blocked slots)
time_end = time_start + datetime.timedelta(seconds=(obj.target_duration))
log.debug('time_start: %s' % time_start)
log.debug('time_end: %s' % time_end)
# check if in past
now = datetime.datetime.now()
lock_end = now + datetime.timedelta(seconds=SCHEDULER_LOCK_AHEAD)
if lock_end > time_start:
return { 'message': _('You cannot schedule emissions in the past.') }
# check if slot is free
# hm just allow some seconds of tolerance (in case of mini-overlaps)
es = Emission.objects.filter(
time_end__gt=time_start + datetime.timedelta(seconds=OVERLAP_TOLERANCE),
time_start__lt=time_end,
channel=channel)
if es.count() > 0:
message = _('The desired time slot does not seem to be available.')
try:
message += u'<br>Emission schedule "%s" - from %s to %s' % (e.name, time_start.time(), time_end.time())
for conflicting_emission in es:
message += u'<br> - overlaps "%s" - from %s to %s' % (conflicting_emission.name, conflicting_emission.time_start.time(), conflicting_emission.time_end.time())
except:
pass
return { 'message': message }
# if no errors so far -> create emission and attach object
e = Emission(content_object=obj, time_start=time_start, user=request.user, channel=channel, color=color)
e.save()
action.send(request.user, verb='scheduled', target=e.content_object)
data = {
'status': True,
'obj_id': obj_id
}
return data
def schedule_object(request):
if not request.user.has_perm('abcast.schedule_emission'):
log.warning('unauthorized attempt to schedule emission by: %s' % request.user)
data = { 'message': _('Sorry - you are not allowed to schedule an emission.') }
return HttpResponse(json.dumps(data), content_type='application/json')
data = json.loads(request.body)
ct = data.get('ct', None)
obj_id = data.get('obj_id', None)
top = data.get('top', None)
left = data.get('left', None)
range_start = data.get('range_start', None)
range_end = data.get('range_end', None)
channel_id = data.get('channel_id', SCHEDULER_DEFAULT_CHANNEL_ID)
channel = Channel.objects.get(pk=channel_id)
color = data.get('color', 0)
num_days = data.get('num_days', SCHEDULER_NUM_DAYS)
log.debug('content type: %s' % ct)
if ct == 'playlist':
obj = Playlist.objects.get(pk=int(obj_id))
log.debug('object to schedule: %s' % obj.name)
if not (obj.broadcast_status == 1 and obj.type == 'broadcast'):
log.warning('attempt to shedule invalid playlist. pk: %s' % obj.pk)
return { 'message': _('Sorry - this playlist does not meet all criterias to be scheduled.') }
pph = SCHEDULER_PPH
ppd = (SCHEDULER_GRID_WIDTH - SCHEDULER_GRID_OFFSET) / int(num_days)
top = float(top) / pph * 60
offset_min = int(15 * round(float(top)/15))
left = float(left) / ppd
offset_d = int(round(float(left)))
log.debug('minutes (offset): %s' % offset_min)
log.debug('days (offset): %s' % offset_d)
# calculate actual date/time for position
schedule_start = datetime.datetime.strptime('%s 00:00' % range_start, '%Y-%m-%d %H:%M')
# add offsets
time_start = schedule_start + datetime.timedelta(minutes=offset_min)
time_start = time_start + datetime.timedelta(days=offset_d)
time_start = time_start + datetime.timedelta(hours=SCHEDULER_OFFSET)
# time_end = time_start + datetime.timedelta(milliseconds=obj.get_duration())
# for duration calculation we use the 'target duration' (to avoid blocked slots)
time_end = time_start + datetime.timedelta(seconds=obj.target_duration)
log.debug('time_start: %s' % time_start)
log.debug('time_end: %s' % time_end)
# check if in past
now = datetime.datetime.now()
lock_end = now + datetime.timedelta(seconds=SCHEDULER_LOCK_AHEAD)
if lock_end > time_start:
return { 'message': _('You cannot schedule emissions in the past.') }
# check if slot is free
# hm just allow some seconds of tolerance (in case of mini-overlaps)
es = Emission.objects.filter(
time_end__gt=time_start + datetime.timedelta(seconds=OVERLAP_TOLERANCE),
time_start__lt=time_end,
channel=channel)
if es.count() > 0:
message = _('The desired time slot does not seem to be available.')
try:
message += u'<br>Emission schedule from %s to %s' % (time_start.time(), time_end.time())
for conflicting_emission in es:
message += u'<br> - overlaps "%s" - from %s to %s' % (conflicting_emission.name, conflicting_emission.time_start.time(), conflicting_emission.time_end.time())
except:
pass
return { 'message': message }
# if no errors so far -> create emission and attach object
e = Emission(content_object=obj, time_start=time_start, user=request.user, channel=channel, color=color)
e.save()
action.send(request.user, verb='scheduled', target=e.content_object)
data = {
'status': True,
'obj_id': obj_id
}
return HttpResponse(json.dumps(data), content_type='application/json')
def schedule_daypart(self, daypart):
log.info('Scheduling daypart: {abs_time_start}-{abs_time_end} - Weekday: {weekday}"'.format(**daypart))
daypart_duration = (daypart['abs_time_end'] - daypart['abs_time_start'])
log.debug('Slot duration: {:} seconds'.format(daypart_duration.seconds))
theme = 3
if daypart['abs_time_start'].hour in [7, 19]:
theme = 1
if daypart['abs_time_start'].hour == 12:
theme = 2
if daypart['abs_time_start'].hour == 0:
theme = 0
# get applying dayparts & playlists for current slot
daypart_qs = self.get_daypart_qs(
weekday=daypart['weekday'],
time_start=daypart['abs_time_start'],
time_end=daypart['abs_time_end'],
)
next_start = daypart['abs_time_start']
num_tries = 0
while next_start and next_start < daypart['abs_time_end']:
if num_tries > 20:
raise IOError('io 10??')
# needs to be re-fetched in every loop
playlists_qs = self.get_playlist_qs(dayparts=daypart_qs)
if not playlists_qs.exists():
next_start = None
else:
max_min_durations = playlists_qs.values("target_duration").aggregate(
max=Max('target_duration'),
min=Min('target_duration')
)
next_start, next_end, min_duration, slot_duration = self.get_next_slot(
time_start=daypart['abs_time_start'],
time_end=daypart['abs_time_end'],
min_duration=max_min_durations.get('min', 0)
)
if next_start:
qs = playlists_qs.filter(target_duration__lte=slot_duration)
if qs.exists():
playlists = list(qs.order_by('?'))
shuffle(playlists)
playlist = playlists[0]
#playlist = qs.order_by('?')[0]
log.info('Scheduling at {:} - pk: {:} "{:}"'.format(next_start, playlist.pk, playlist.name))
emission = Emission(
content_object=playlist,
time_start=next_start,
channel=self.channel,
user=self.user,
color=theme
)
emission.save()
self.add_playlist_exclude(playlist.pk)
self.add_scheduled_emission(emission)
time.sleep(1)
num_tries += 1
def add_emissions(self, abs_start, abs_end):
slot_duration = (abs_end - abs_start).seconds
slot_time_left = slot_duration
slot_time_offset = 0
print 'adding emissions to slot: %s to %s' % (abs_start, abs_end)
print 'weekday: %s' % abs_start.weekday()
print 'slot_duration: %s' % slot_duration
from abcast.models import Emission
from alibrary.models import Playlist
# look for playlists that match daypart criterias
# pl_dayparts query
from alibrary.models import Daypart as PlaylistDaypart
pldps = PlaylistDaypart.objects.filter(
day=abs_start.weekday(),
time_start__lte=abs_start.time(),
time_end__gte=abs_end.time()
)
# very ugly. but no beter quick idea on how to get these bits
if abs_start.hour == 16:
pldps = PlaylistDaypart.objects.filter(
day=abs_start.weekday(),
time_start__lte=datetime.time(17, 0),
time_end__gte=datetime.time(20, 0),
)
# very ugly. but no beter quick idea on how to get these bits
if abs_start.hour >= 20:
pldps = PlaylistDaypart.objects.filter(
day=abs_start.weekday(),
time_start__gte=datetime.time(20, 0),
)
print 'matching dayparts:'
for pldp in pldps:
print pldp
if slot_duration <= 3600:
target_durations = [3600]
else:
target_durations = [3600, 7200]
qs = Playlist.objects.filter(
type='broadcast',
broadcast_status=1,
rotation=True,
dayparts__in=pldps,
target_duration__in=target_durations
)
if self.user_ids:
qs = qs.filter(user__pk__in=self.user_ids)
# filling in slots
while slot_time_left > 0:
if slot_time_left <= 3600:
qs = qs.filter(target_duration__in=[3600])
else:
qs = qs.filter(target_duration__in=[3600, 7200])
#print 'excludes: %s' % self.used_playlist_ids
qs = qs.exclude(pk__in=self.used_playlist_ids)
print 'adding emission, have %s options' % qs.count()
playlist = qs.order_by('?')[0]
print '// random pick:'
print 'slot_time_left: %s' % slot_time_left
print 'slot_time_offset: %s' % slot_time_offset
print playlist
print playlist.target_duration
print
emission_start = (abs_start + datetime.timedelta(seconds=slot_time_offset))
theme = SCHEDULER_DEFAULT_THEME
if abs_start.hour == 6:
theme = 1
if abs_start.hour == 12:
theme = 2
if abs_start.hour == 19:
theme = 4
emission = Emission(
content_object=playlist,
time_start=emission_start,
channel=self.channel,
user=self.user,
color=theme
)
emission.save()
# mark as used
self.used_playlist_ids.append(playlist.id)
slot_time_left -= playlist.target_duration
# a bit redundant, i see
slot_time_offset += playlist.target_duration
def schedule_object(request):
log = logging.getLogger('abcast.schedulerviews.schedule_object')
ct = request.POST.get('ct', None)
obj_id = request.POST.get('obj_id', None)
top = request.POST.get('top', None)
left = request.POST.get('left', None)
range_start = request.POST.get('range_start', None)
range_end = request.POST.get('range_end', None)
num_days = request.POST.get('num_days', SCHEDULER_NUM_DAYS)
log.debug('content type: %s' % ct)
if ct == 'playlist':
obj = Playlist.objects.get(pk=int(obj_id))
log.debug('object to schedule: %s' % obj.name)
pph = SCHEDULER_PPH
# ppd = SCHEDULER_PPD
ppd = (SCHEDULER_GRID_WIDTH - SCHEDULER_GRID_OFFSET) / int(num_days)
top = float(top) / pph * 60
offset_min = int(15 * round(float(top)/15))
left = float(left) / ppd
offset_d = int(round(float(left)))
log.debug('minutes (offset): %s' % offset_min)
log.debug('days (offset): %s' % offset_d)
# calculate actual date/time for position
schedule_start = datetime.datetime.strptime('%s 00:00' % range_start, '%Y-%m-%d %H:%M')
# add offsets
time_start = schedule_start + datetime.timedelta(minutes=offset_min)
time_start = time_start + datetime.timedelta(days=offset_d)
time_start = time_start + datetime.timedelta(hours=SCHEDULER_OFFSET)
# time_end = time_start + datetime.timedelta(milliseconds=obj.get_duration())
# for duration calculation we use the 'target duration' (to avoid blocked slots)
time_end = time_start + datetime.timedelta(seconds=(obj.target_duration))
log.debug('time_start: %s' % time_start)
log.debug('time_end: %s' % time_end)
# check if in past
now = datetime.datetime.now()
lock_end = now + datetime.timedelta(seconds=SCHEDULER_LOCK_AHEAD)
if lock_end > time_start:
return { 'message': _('You cannot schedule things in the past!') }
# check if slot is free
# hm just allow some seconds of tolerance (in case of mini-overlaps)
es = Emission.objects.filter(time_end__gt=time_start + datetime.timedelta(seconds=2), time_start__lt=time_end)
if es.count() > 0:
for em in es:
print 'Blocking emission: %s' % em.id
print em.time_start
print em.time_end
return { 'message': _('Sorry, but the desired time does not seem to be available.') }
# if no errors so far -> create emission and attach object
e = Emission(content_object=obj, time_start=time_start, user=request.user)
e.save()
data = {
'status': True,
'obj_id': obj_id
}
return data
def add_emission(self, slot_start):
from abcast.models import Channel, Emission
from alibrary.models import Playlist
log = logging.getLogger('abcast.autopilot.add_emission')
log.debug('auto-adding emission, slot start: %s' % slot_start)
# check if overlapping emission exists
ces = Emission.objects.filter(time_start__lt=slot_start, time_end__gt=slot_start, channel=self.channel)
print 'coliding emissions'
print ces
if ces.count() > 0:
next_start = ces[0].time_end
else:
next_start = slot_start
print 'next_start: %s' % next_start
next_start = round_dt(next_start, 300) # round to 5 minutes
print 'next_start rounded: %s' % next_start
# check how much time is available until next emission
fes = Emission.objects.filter(time_start__gte=next_start, channel=self.channel).order_by('time_start')
print fes
free_slot = 14400
if fes.count() > 0:
log.debug('got %s emissions scheduled in future' % fes.count())
diff = fes[0].time_start - next_start
free_slot = int(diff.total_seconds())
log.debug('length of free slot is: %s seconds' % free_slot)
log.debug('length of free slot is: %s hours' % (int(free_slot) / 60 / 60))
if free_slot == 0 or free_slot < 60:
print 'FREE SLOT IS %s. ENDS AT:' % free_slot
print fes[0].time_end
return fes[0].time_end
"""
look for possible playlists to schedule
"""
ps = Playlist.objects.filter(target_duration__lte=free_slot, rotation=True, status=1, type="broadcast", duration__gte=29*60*1000).order_by('?')
if ps.count() > 0:
p = ps[0]
else:
p = None
print 'The random selection i!!'
print p
# create the scheduler entry
if p:
e = Emission(content_object=p, time_start=next_start, channel=self.channel, user=self.user, color=SCHEDULER_DEFAULT_THEME)
e.save()
# e, c = Emission.objects.get_or_create(content_object=p, time_start=next_start, channel=self.channel, user=self.user, color=SCHEDULER_DEFAULT_THEME)
print 'Created emission, will run until: %s' % e.time_end
return e.time_end
def schedule_object(request):
log = logging.getLogger('abcast.schedulerviews.schedule_object')
ct = request.POST.get('ct', None)
obj_id = request.POST.get('obj_id', None)
top = request.POST.get('top', None)
left = request.POST.get('left', None)
range_start = request.POST.get('range_start', None)
range_end = request.POST.get('range_end', None)
num_days = request.POST.get('num_days', SCHEDULER_NUM_DAYS)
log.debug('content type: %s' % ct)
if ct == 'playlist':
obj = Playlist.objects.get(pk=int(obj_id))
log.debug('object to schedule: %s' % obj.name)
pph = SCHEDULER_PPH
# ppd = SCHEDULER_PPD
ppd = (SCHEDULER_GRID_WIDTH - SCHEDULER_GRID_OFFSET) / int(num_days)
top = float(top) / pph * 60
offset_min = int(15 * round(float(top) / 15))
left = float(left) / ppd
offset_d = int(round(float(left)))
log.debug('minutes (offset): %s' % offset_min)
log.debug('days (offset): %s' % offset_d)
# calculate actual date/time for position
schedule_start = datetime.datetime.strptime('%s 00:00' % range_start,
'%Y-%m-%d %H:%M')
# add offsets
time_start = schedule_start + datetime.timedelta(minutes=offset_min)
time_start = time_start + datetime.timedelta(days=offset_d)
time_start = time_start + datetime.timedelta(hours=SCHEDULER_OFFSET)
time_end = time_start + datetime.timedelta(milliseconds=obj.get_duration())
log.debug('time_start: %s' % time_start)
log.debug('time_end: %s' % time_end)
# check if in past
now = datetime.datetime.now()
lock_end = now + datetime.timedelta(seconds=SCHEDULER_LOCK_AHEAD)
if lock_end > time_start:
return {'message': _('You cannot schedule things in the past!')}
# check if slot is free
es = Emission.objects.filter(time_end__gt=time_start,
time_start__lt=time_end)
if es.count() > 0:
for em in es:
print 'Blocking emission: %s' % em.id
print em.time_start
print em.time_end
return {
'message':
_('Sorry, but the desired time does not seem to be available.')
}
# if no errors so far -> create emission and attach object
e = Emission(content_object=obj, time_start=time_start, user=request.user)
e.save()
data = {'status': True, 'obj_id': obj_id}
return data