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view.py
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view.py
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import webapp2
import logging
import urlparse
import models
import utils
import json
from gaesessions import get_current_session
from google.appengine.ext import db
from google.appengine.ext import blobstore
class ViewHandler(webapp2.RequestHandler):
def get(self):
utils.session_bounce(self)
specific = self.request.get('camera',None)
offset = int(self.request.get('offset',0))
if specific:
view_all = False
else:
view_all = True
#grab session
session = get_current_session()
camera_keys = session.get("cameras",[])
cameras = db.get(camera_keys)
logging.info(session)
logging.info(cameras)
#get photos
photos = []
for camera in cameras:
logging.info(camera)
if specific:
if camera.camera_id == specific:
try:
pc = models.Photo.gql('WHERE ANCESTOR IS :1 ORDER BY timestamp DESC',camera).fetch(30,offset)
photos.extend(pc)
camera.active = True
except Exception, e:
logging.error(e)
else:
try:
pc = models.Photo.gql('WHERE ANCESTOR IS :1 ORDER BY timestamp DESC',camera).fetch(30,offset)
photos.extend(pc)
except Exception, e:
logging.error(e)
#sort by date
# photos.sort(key = lambda x: x.timestamp)
# photos.reverse()
#readable datetime
for photo in photos:
photo.human_time = photo.timestamp.strftime("%A, %d %B %Y %I:%M %p")
logging.info(photo.human_time)
#break into lists of three
counter = 0
photos_outer = []
temp_list = []
for idx,photo in enumerate(photos):
temp_list.append(photo)
counter += 1
if idx == len(photos) - 1:
photos_outer.append(temp_list)
else:
if counter == 3:
photos_outer.append(temp_list)
temp_list = []
counter = 0
logging.info(photos_outer)
if len(photos) < 30:
older = None
else:
if specific:
older = "/view?camera="+specific+"&offset="+str(offset+30)
else:
older = "/view?offset="+str(offset+30)
if offset == 0:
newer = None
else:
if specific:
newer = "/view?camera="+specific+"&offset="+str(offset-30)
else:
newer = "/view?offset="+str(offset-30)
if specific:
camera_keys = [specific]
template_values = {
"photos_outer" : photos_outer,
"cameras" : cameras,
"view_all" : view_all,
"offset" : offset,
"older" : older,
"newer" : newer,
"specific" : specific,
"camera_keys": [str(x) for x in camera_keys]
}
utils.respond(self,'templates/view.html',template_values)
class ViewAllHandler(webapp2.RequestHandler):
def get(self):
#get base url
o = urlparse.urlparse(self.request.url)
s = urlparse.urlunparse((o.scheme, o.netloc, '', '', '', ''))
photos = models.Photo.gql("ORDER BY timestamp DESC").fetch(None)
# photos.reverse()
for photo in photos:
# photo.key().parent())
camera = db.get(photo.key().parent())
img_path = s+'/photo/'+str(photo.blob_key.key())
self.response.out.write('<p><h3>{0} from camera {2}:</h3><a href="{1}"><img src="{1}" style="width:400;height:auto;"></a></p>'.format(photo.timestamp,img_path,camera.camera_id))
class ViewAjaxHandler(webapp2.RequestHandler):
def get(self):
logging.info("THIS IS AN AJAX CALL")
input = json.loads(self.request.params.items()[0][0])
camera_keys = input.get("camera_keys")
specific = input.get('specific',None)
offset = int(input.get('offset',0))
if specific:
view_all = False
else:
view_all = True
#grab session
# session = get_current_session()
# camera_keys = session.get("cameras",[])
cameras = db.get(camera_keys)
# logging.info(session)
logging.info(cameras)
#get photos
photos = []
for camera in cameras:
logging.info(camera)
if specific:
if camera.camera_id == specific:
try:
pc = models.Photo.gql('WHERE ANCESTOR IS :1 ORDER BY timestamp DESC',camera).fetch(30,offset)
photos.extend(pc)
camera.active = True
except Exception, e:
logging.error(e)
else:
try:
pc = models.Photo.gql('WHERE ANCESTOR IS :1 ORDER BY timestamp DESC',camera).fetch(30,offset)
photos.extend(pc)
except Exception, e:
logging.error(e)
#sort by date
# photos.sort(key = lambda x: x.timestamp)
# photos.reverse()
#readable datetime
for photo in photos:
photo.human_time = photo.timestamp.strftime("%A, %d %B %Y %I:%M %p")
# logging.info(photo.human_time)
#break into lists of three
counter = 0
photos_outer = []
temp_list = []
for idx,photo in enumerate(photos):
photo = {
"blob_key" : str(photo.blob_key.key()),
"human_time": photo.human_time,
"camera" : photo.parent().camera_name
}
temp_list.append(photo)
counter += 1
if idx == len(photos) - 1:
photos_outer.append(temp_list)
else:
if counter == 3:
photos_outer.append(temp_list)
temp_list = []
counter = 0
if len(photos) < 30:
end = True
else:
end = False
logging.info(photos_outer)
response = {
"photos_outer" : photos_outer,
"end" : end,
"offset" : offset+len(photos)
}
self.response.out.write(json.dumps(response))
class ViewCamerasHandler(webapp2.RequestHandler):
def get(self):
utils.session_bounce(self)
#grab session
session = get_current_session()
camera_keys = session.get("cameras",[])
cameras = db.get(camera_keys)
template_values = {
"cameras" : cameras if cameras != [None] else []
}
logging.info(template_values)
utils.respond(self,'templates/managecameras.html',template_values)
class RemoveCameraHandler(webapp2.RequestHandler):
def get(self):
to_delete = self.request.get("camera",None)
#get user
session = get_current_session()
user = db.get(session.get("user",None))
#remove cam
user.cameras.remove(db.Key(to_delete))
#save
user.put()
#update session
session["cameras"] = user.cameras
session.save()
self.redirect('/view/cameras')
app = webapp2.WSGIApplication([
('/view',ViewHandler),
('/view/all',ViewAllHandler),
('/view/ajax',ViewAjaxHandler),
('/view/cameras',ViewCamerasHandler),
('/view/removecamera',RemoveCameraHandler)
],debug=True)