def get(self):
stream_obj = Stream()
print "mViewNearbyImages:: starts~"
loc_str = self.request.get("loc_str")
loc = loc_str.split('_')
lat = float(loc[0])
lon = float(loc[1])
print "mViewNearbyImages:: get location", lat, lon
images = Image.query().fetch()
sorted_imgs = sorted(images, key=lambda image: image.date, reverse=True)
max_idx = len(sorted_imgs)
print "mViewNearbyImages:: len(sorted_imgs)=", max_idx
if max_idx >= NUM_IMG_PER_PAGE:
max_idx = NUM_IMG_PER_PAGE
img_url_lst = list()
stream_id_lst = list()
distance_lst = list()
R = 6373.0
r_m_lat = radians(lat)
r_m_lon = radians(lon)
for idx in xrange(0, max_idx):
image = sorted_imgs[idx]
img_url_lst.append(SERVICE_URL+"/view_photo/"+str(image.blob_key))
stream_id_lst.append(stream_obj.get_stream_id_by_img_id(image.img_id))
img_lat = radians(image.location.lat)
img_lon = radians(image.location.lon)
dlat = r_m_lat - img_lat
dlon = r_m_lon - img_lon
a = (sin(dlat / 2)) ** 2 + cos(r_m_lat) * cos(img_lat) * (sin(dlon / 2)) ** 2
c = 2 * atan2(sqrt(a), sqrt(1 - a))
distance = R * c
distance_lst.append(distance)
print "mViewNearbyImages:: ldistance_lst=", str(distance_lst)
self.respond(img_url_lst=img_url_lst, stream_id_lst=stream_id_lst, distance_lst=distance_lst, status="success")
def get(self):
stream_id = self.request.get(IDENTIFIER_STREAM_ID)
start_idx = self.request.get(VIEW_STREAM_START_INDEX)
if not start_idx:
start_idx = 0
else:
start_idx = int(start_idx)
stream_obj = Stream()
stream = stream_obj.get_stream(stream_id)
# check if the stream exists
if not stream:
return self.respond(error="ViewStreamService >> Requested stream id %s does not exist." % stream_id)
# now start retrieving images
img_id_lst = [] # saving img ids
img_url_lst = []
stream_img_id_lst = stream.image_id_lst
nrof_imgs_in_stream = len(stream_img_id_lst)
last_idx = start_idx + NUM_STREAMS_PER_PAGE
if last_idx >= nrof_imgs_in_stream:
last_idx = nrof_imgs_in_stream-1
idx_lst = xrange(start_idx, last_idx)
for img_idx in idx_lst:
img_id = stream_img_id_lst[img_idx]
img_id_lst.append(img_id)
image = Image.get_image(img_id)
img_url_lst.append(SERVICE_URL+"/view_photo/"+str(image.blob_key))
# increase view count
stream.increase_view_cnt()
# generate upload url
upload_url = blobstore.create_upload_url('/ws/stream/view_imgs')
self.respond(stream_owner=stream.user_email, stream_name=stream.stream_name, img_id_lst=img_id_lst,
img_url_lst=img_url_lst, last_idx=last_idx, nrof_imgs_in_stream=nrof_imgs_in_stream,
upload_url=upload_url, status="success")
def get(self):
stream_id = self.request.get(IDENTIFIER_STREAM_ID)
query_begin_date = self.request.get(QUERY_BEGIN_DATE)
query_end_date = self.request.get(QUERY_END_DATE)
begin_date = datetime.strptime(query_begin_date, '%Y-%m-%dT%H:%M:%S.%fZ')
end_date = datetime.strptime(query_end_date, '%Y-%m-%dT%H:%M:%S.%fZ')
stream = Stream.get_stream(stream_id)
response = {}
markers_lst = list()
if not stream:
response['error'] = "Failed to find stream(" + stream_id+")."
self.respond(**response)
else:
for image_id in stream.image_id_lst:
image = Image.get_image(image_id)
if begin_date <= image.date <= end_date:
content = '<img src="'+get_serving_url(image.blob_key, size=100)+'">'
marker = {"latitude": image.location.lat, "longitude": image.location.lon, "content":content}
markers_lst.append(marker)
self.respond(markers=markers_lst, status="success")