def render(self, context):
action_instance = self.action.resolve(context)
request = context['request']
actor = action_instance.actor
target = action_instance.target
target_content_type = action_instance.target_content_type
ct_review = ContentType.objects.get_for_model(Review)
ct_mission = ContentType.objects.get_for_model(Mission)
ct_post = ContentType.objects.get_for_model(Post)
ct_event = ContentType.objects.get_for_model(Event)
icon_group = None
#=======================================================================
# if the request user doesn't have permission to see this target,
# then return nothing
#=======================================================================
if hasattr(target, 'viewable_by'):
if not target.viewable_by( request.user ):
return ""
#The following block is temporary used for excluding all mission group instances on user's wall
if target == ContentType.objects.get_for_model( MissionGroup ).model:
pps = None
try:
action_output = render_to_string(('activity/%(verb)s/action.html' % { 'verb':action_instance.verb.replace(' ','_') }),{ 'action':action_instance, 'pps':pps },context)
except TemplateDoesNotExist:
action_output = render_to_string(('activity/action.html'),{ 'action':action_instance, 'pps':pps },context)
if self.varname is not None:
context[self.varname] = action_output
return ""
else:
return action_output
#===========================================================================
# arrange the parameters required by the inc_post_boilerplate.html
#===========================================================================
comment_target = target
allow_comment = '1'
avatar = actor.get_profile()
if not avatar.public_comments:
allow_comment="0"
user_profile = avatar
post_time = action_instance.timestamp
#=======================================================================
# Event
#=======================================================================
if target_content_type == ct_event:
invitation = action_instance.target.get_invitation(request.user)
if invitation:
return render_to_string(('activity/event.html'),{ 'event': action_instance.target, 'invitation':invitation, 'request':request},context)
else:
return ""
#=======================================================================
# Review
#=======================================================================
if target_content_type == ct_review:
#===================================================================
# Review for Task Completion
#===================================================================
if target.task:
task = target.task
mission = task.mission
pre_content_object = DummyMissionTask( mission, task )
post_content_object = None
todo_target = target.restaurant
#===================================================================
# Normal Review
#===================================================================
else:
if hasattr(target, 'dish') and target.dish:
pre_content_object = target.dish
post_content_object = target.restaurant
todo_target = target.dish
else:
pre_content_object = target.restaurant
post_content_object = None
todo_target = target.restaurant
icon_group = target.score
#content
if hasattr(target, 'content') and target.content:
content = target.content
else:
content = None
target_absolute_url="/restaurant/%s/photo_detail/%s/" % (target.restaurant.id, target.photo.id)
#=======================================================================
# Created Mission
#=======================================================================
elif target_content_type == ct_mission:
pre_content_object = DummyMission( target )
post_content_object = None
content=target.description
todo_target = target
target_absolute_url = None
#=======================================================================
# Wall Post
#=======================================================================
elif target_content_type == ct_post:
pre_content_object = None
post_content_object = None
todo_target = None
target_absolute_url = None
content = target.content
tag_list = target.get_all_tags_list()
else:
raise Exception("invlid type")
if not target_content_type == ct_post:
tag_list = None
if target_content_type == ct_post:
target_photo = target.get_photos()
else:
target_photo = [target.get_display_photo()]
target_content_type_id = ContentType.objects.get_for_model(comment_target).id
pps = gen_a_post(
allow_comment=allow_comment,
avatar=avatar,
user_profile=user_profile,
pre_content_object=pre_content_object,
post_content_object=post_content_object,
content=content,
post_time=post_time,
todo_target=todo_target,
target_photo=target_photo,
target_absolute_url=target_absolute_url,
target_content_type_id=target_content_type_id,
comment_target=comment_target,
request=request,
tag_list = tag_list,
icon_group = icon_group,
action = action_instance,
)
try:
action_output = render_to_string(('activity/%(verb)s/action.html' % { 'verb':action_instance.verb.replace(' ','_') }),{ 'action':action_instance, 'pps':pps },context)
except TemplateDoesNotExist:
action_output = render_to_string(('activity/action.html'),{ 'action':action_instance, 'pps':pps },context)
if self.varname is not None:
context[self.varname] = action_output
return ""
else:
return action_output
def get_photo_detail( request, object_id=None, photo_id=None, event_id=None, photo_detail_type=None, is_render_to_string=False ):
# time_start = datetime.now()
ct_event = ContentType.objects.get_for_model(Event)
ct_review = ContentType.objects.get_for_model(Review)
user = request.user
if not photo_id or not photo_detail_type:
photo_id = request.POST['photo_id']
photo_detail_type = request.POST['photo_detail_type']
#from view
if event_id:
# only place and user profile have event photos
object_id = event_id
else:
# from view
if object_id:
pass
# from ajax
else:
object_id = request.POST.get('object_id', None)
photo = Photo.objects.get(pk=photo_id)
photo_owner = photo.user
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 0.5: %d" % time_elapsed
# if not p_photo.viewable_by(user):
# raise Exception("You don't have permission to see this photo.")
# if is_render_to_string:
# raise Exception("You don't have permission to see this photo.")
# else:
# raise Exception("You don't have permission to see this photo.")
#
# if user.is_anonymous():
# raise Exception('you are not a site user')
# time_start = time_end
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 1: %d" % time_elapsed
#===========================================================================
# special case for the view of event photo detail page
#===========================================================================
if photo.content_type == ct_event:
photo_detail_type = PhotoDetailType.EVENT_PHOTO
object_id = photo.object_id
url_4_html5 = reverse('event-photo-detail', args=[object_id, photo.id])
if photo_detail_type == PhotoDetailType.PLACE_PHOTO:
photos = Photo.viewables(user).filter( place=photo.place.id ).exclude(content_type=ct_event).order_by('-created')
url_4_html5 = reverse('place-photo-detail', args=[photo.place.id, photo.id]).replace('None', '')
elif photo_detail_type == PhotoDetailType.PLACE_REVIEW:
photos = Photo.viewables(user).filter( place=photo.place.id, content_type=ct_review ).order_by('-created')
url_4_html5 = reverse('place-review-detail', args=[photo.place.id, photo.id])
elif photo_detail_type == PhotoDetailType.DISH_REVIEW:
photos = Photo.viewables(user).filter( dish=photo.dish.id, content_type=ct_review ).order_by('-created')
url_4_html5 = reverse('dish-review-detail', args=[photo.dish.id, photo.id])
elif photo_detail_type == PhotoDetailType.USER_PHOTO:
photos = Photo.viewables(user).filter( user=photo_owner, content_type=ct_review).order_by('-created')
url_4_html5 = reverse('userprofile-photo-detail', args=[photo_owner.id, photo.id]).replace('None', '')
elif photo_detail_type == PhotoDetailType.EVENT_PHOTO:
event = Event.objects.get(pk=object_id)
photos = Photo.viewables(user).filter(object_id=event.id).order_by('-created')
url_4_html5 = reverse('userprofile-photo-detail', args=[photo_owner.id, photo.id])
else:
raise Http404
# print "photo_detail_type: %s" % photo_detail_type
#===========================================================================
# keep photo sequence into session
#===========================================================================
#ppdl is acronym of Privacy Photo Detail List
ppdl = request.session.get('ppdl', [] )
def create_session():
request.session['ppdl'] = list(photos)
request.session['ppdl_created'] = datetime.utcnow()
request.session['ppdl_type'] = photo_detail_type
# time_start = time_end
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 2: %d" % time_elapsed
# save ppdl in session at the first time user access a detail page
if not ppdl:
create_session()
else:
# ppdl = request.session['ppdl']
ppdl_created = request.session['ppdl_created']
ppdl_type = request.session['ppdl_type']
elapsed_time = datetime.utcnow() - ppdl_created
#======================================================================
# modify session if
# photo detail type is not the same as the last time user access
# or
# the ppdl session has expired (life cycle: 30 mins)
#======================================================================
if ppdl_type != photo_detail_type or elapsed_time.seconds > 30*60:
# print "modify session: case I"
create_session()
# modify session if p_photos has been changed
elif len(ppdl) != photos.count():
# print "modify session: case II"
create_session()
# modify session due to some cases of event photo
else:
if photo not in ppdl:
create_session()
# print "modify session: case III"
else:
# print "access session"
pass
ppdl = request.session['ppdl']
# time_start = time_end
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 2.5: %d" % time_elapsed
total = len(ppdl)
#===========================================================================
# handle photo display sequence
#===========================================================================
try:
cur_index = ppdl.index( photo )
except ValueError:
raise Exception("ppdl:%s\nphotos:%s\nphoto.id:%s" % (ppdl, photos, photo.id) )
next_index = cur_index + 1
pre_index = cur_index -1
if cur_index == 0:
pre_index = total - 1
if cur_index == total - 1:
next_index = 0
review = None
event = None
# time_start = time_end
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 2.75: %d" % time_elapsed
if photo.get_review() != None:
review = photo.content_object
elif photo.get_event() != None:
event = photo.content_object
# time_start = time_end
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 3: %d" % time_elapsed
#===========================================================================
# organize photo preloading list
#===========================================================================
def get_preloaded_list( index, photo_list ):
num_pre_item = 3
num_post_item = 8
preload_list = []
p_pre = index - num_pre_item
p_post = index + num_post_item
if p_pre < 0:
preload_list.extend(photo_list[0:index])
preload_list.extend(photo_list[p_pre:])
else:
preload_list.extend(photo_list[p_pre:index])
if p_post > total - 1:
preload_list.extend(photo_list[index+1:])
preload_list.extend(photo_list[:p_post - (total-1)])
else:
preload_list.extend(photo_list[index+1:p_post])
return set(preload_list)
preload_list = get_preloaded_list(cur_index, ppdl)
# time_start = time_end
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 4: %d" % time_elapsed
#===========================================================================
# arrange the parameters required by the inc_post_boilerplate.html
#===========================================================================
allow_comment="1"
action = None
if review:
avatar = review.user.get_profile()
user_profile = avatar.get_profile()
if not user_profile.public_comments or avatar.not_visible_by(request.user):
allow_comment="0"
content = review.content
post_time = review.created
comment_target = review
if review.dish:
pre_content_object = review.dish
post_content_object = review.place
todo_target = review.dish
else:
pre_content_object = review.place
post_content_object = None
todo_target = review.place
# try:
# action = Action.objects.get(target_object_id = review.id, verb = ActstreamSpecs.POSTED_A_REVIEW)
# except ObjectDoesNotExist:
# action = None
elif event:
avatar = photo.user.get_profile()
user_profile = avatar.get_profile()
if not user_profile.public_comments or avatar.not_visible_by(request.user):
allow_comment="0"
content = photo.description
post_time = photo.created
comment_target = photo
if photo.dish:
pre_content_object = photo.dish
post_content_object = photo.place
todo_target = photo.dish
else:
pre_content_object = photo.place
post_content_object = None
todo_target = photo.place
# mturk photo
else:
if photo.place:
avatar = photo.place
pre_content_object = photo.place
post_content_object = None
todo_target = photo.place
else:
avatar = None
pre_content_object = None
post_content_object = None
todo_target = None
user_profile = None
content = "Photo from: %s" % photo.urlOwner
post_time = photo.created
comment_target = photo
target_content_type_id = ContentType.objects.get_for_model(comment_target).id
# time_start = time_end
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 5: %d" % time_elapsed
pps = gen_a_post(
allow_comment=allow_comment,
avatar=avatar,
user_profile=user_profile,
pre_content_object=pre_content_object,
post_content_object=post_content_object,
content=content,
post_time=post_time,
todo_target=todo_target,
target_content_type_id=target_content_type_id,
comment_target=comment_target,
request=request,
action = action,
)
print "url_4_html5", url_4_html5
# time_start = time_end
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 6: %d" % time_elapsed
context={
"review": review,
"photo": photo,
"preload_list": preload_list,
"next_pid": ppdl[next_index].id,
"pre_pid": ppdl[pre_index].id,
"pps": pps,
"object_id": object_id,
"url_4_html5": url_4_html5
}
if is_render_to_string:
rtn = render_to_string( 'inc_photos_details.html',
context,
context_instance = RequestContext(request)
)
return rtn
else:
# time_start = time_end
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 7: %d" % time_elapsed
rtn = render_to_response( 'inc_photos_details.html',
context,
context_instance = RequestContext(request)
)
# time_start = time_end
# time_end = datetime.now()
# time_elapsed = total_milliseconds(time_end - time_start)
# print "Stage 8: %d" % time_elapsed
return rtn
