def login(request):
consumer = None
params = None
if (request.method == 'GET'):
params = request.GET
elif request.method == 'POST':
params = request.POST
consumer_service = ConsumerService()
device_id = params.get('device_id', None)
user_id = params.get('user_id', None)
api_token = params.get('api_key', None)
if not device_id:
error = utils.internalServerErrorResponse("Invalid request: Device Id, user_id and api_key required for login.")
logger.warning("Invalid request: Device Id, user_id and api_key required for login.")
return HttpResponse(simplejson.dumps(error), mimetype='application/json')
logger.info("Incoming request- login credentials: " + str(device_id) + ' ' + str(user_id) + ' ' + str(api_token))
consumer = consumer_service.login(device_id, user_id, api_token)
consumer_list = []
consumer_list.append(consumer)
json = serializers.serialize("json", consumer_list, fields=('id','device_id','api_token','email_address', 'name'))
json_obj = json[1:len(json)-1]
return HttpResponse(json_obj, mimetype='application/json')
def __refreshPlaylist__(request):
try:
device_id = request.GET['device_id']
location_id = request.GET['location_id']
except KeyError:
error = utils.internalServerErrorResponse("Invalid request: Device Id and Location Id required for refreshing playlist.")
logger.warning("Invalid request: Device Id and Location Id required for refreshing playlist.")
return HttpResponse(simplejson.dumps(error), mimetype='application/json')
logger.info("Incoming request- refresh playlist with parameters device_id " + str(device_id) + ", location_id " + str(location_id))
# Use location id to fetch current playlist
return __reorderPlaylist__(PlaylistItem.objects.filter(Q(item_state=2) | Q(item_state=1)))
def signUp(request):
consumer = None
params = None
if (request.method == 'GET'):
params = request.GET
elif request.method == 'POST':
params = request.POST
consumer_service = ConsumerService()
device_id = params.get('device_id', None)
if not device_id:
error = utils.internalServerErrorResponse("Invalid request: Device Id required for sign up.")
logger.warning("Invalid request: Device Id required for sign up.")
return HttpResponse(simplejson.dumps(error), mimetype='application/json')
logger.info("Incoming request- sign up with credentials: " + str(device_id))
auth_token = params.get('auth_token', None)
if not auth_token:
password = params.get('password', '')
email_address = params.get('email', '')
name = params.get('name', '')
consumer = consumer_service.register(device_id, password, email_address, name)
else:
token_type = params.get('token_type', None)
facebook_id = params.get('facebook_id', '')
if not token_type:
error = utils.internalServerErrorResponse("Invalid token type")
logger.error("Invalid token type")
return HttpResponse(simplejson.dumps(error), mimetype='application/json')
consumer = consumer_service.register_with_token(device_id, auth_token, token_type, facebook_id)
consumer_list = []
consumer_list.append(consumer)
json = serializers.serialize("json", consumer_list, fields=('id','device_id','api_token','email_address', 'name'))
json_obj = json[1:len(json)-1]
return HttpResponse(json_obj, mimetype='application/json')
def index(request):
try:
location_id = request.GET['location_id']
except KeyError:
error = utils.internalServerErrorResponse("Invalid request: Location Id required for logging into venue app.")
logger.warning("Invalid request: Location Id required for logging into venue app.")
return HttpResponse(simplejson.dumps(error), mimetype='application/json')
logger.info("Incoming request- venue app login with parameters location_id " + str(location_id))
music_tracks = MusicTrack.objects.all()
playlist_items = PlaylistItem.objects.all()
context = {'music_track_list': music_tracks, 'playlist_item_list': playlist_items, 'domain_url': request.META['HTTP_HOST'], 'location_id': location_id}
return render(request, 'backend/index.html', context)
def getVoteHistory(request):
try:
device_id = request.GET['device_id']
location_id = request.GET['location_id']
except KeyError:
error = utils.internalServerErrorResponse("Invalid request: Device Id and password required for sign up.")
logger.warning("Invalid request: Device Id and password required for sign up.")
return HttpResponse(simplejson.dumps(error), mimetype='application/json')
logger.info("Incoming request- get vote history with parameters device_id " + str(device_id) + ", location_id " + str(location_id))
voting_service = VotingService()
try:
votes = voting_service.getVoteHistory(device_id)
except InvalidDeviceError as ide:
error = utils.internalServerErrorResponse(ide.value)
logger.error(ide.value)
return HttpResponse(simplejson.dumps(error), mimetype='application/json')
playlist_item_list = []
for vote in votes:
playlist_item_list.append(vote.playlist_item)
return HttpResponse(serializers.serialize("json", playlist_item_list, relations={'music_track': {'relations': ('album', 'category', 'artist')}}), mimetype='application/json')
def addToPlaylist(request):
params = None
if (request.method == 'GET'):
params = request.GET
elif request.method == 'POST':
params = request.POST
location_service = LocationService()
consumer_service = ConsumerService()
user_id = params.get('user_id', None)
api_token = params.get('api_key', None)
location_id = params.get('location_id', None)
music_track_id = params.get('music_track_id', None)
if not location_id:
raise InvalidLocationError(location_id)
if not music_track_id:
raise MusicTrackNotFoundError(music_track_id)
consumer = consumer_service.isValidUser(user_id, api_token)
if not consumer:
raise InvalidUserError(user_id)
if not location_service.isActive(location_id):
response_data = {}
location_service.checkOut(consumer)
response_data['message'] = 'Location is not active'
response_data['checked_out'] = True
response_data['status'] = 200
return HttpResponse(HttpResponse(json.dumps(response_data), mimetype='application/json'))
logger.info("Incoming request- add to playlist with parameters device_id " + str(user_id) + ", music_track_id " + str(music_track_id) + ", location_id " + str(location_id))
playlist_service = PlaylistService()
try:
playlist_service.addToPlaylist(consumer, location_id, music_track_id)
logger.info("added music track " + str(music_track_id) + " to playlist for location " + str(location_id))
# Improve exception handling.
except (KeyError, PlaylistNotFoundError, UnableToAddMusicError) as exception:
error = utils.internalServerErrorResponse(exception.value)
logger.error(exception.value)
return HttpResponse(simplejson.dumps(error), mimetype='application/json')
return __refreshPlaylistHelper__(consumer, location_id)
def __requestLibrary__(request):
#error = utils.internalServerErrorResponse("Error, disabled")
#return HttpResponse(simplejson.dumps(error), mimetype='application/json')
try:
device_id = request.GET['device_id']
location_id = request.GET['location_id']
except KeyError:
error = utils.internalServerErrorResponse("Invalid request: Device Id and Location Id required for requesting library.")
logger.warning("Invalid request: Device Id and Location Id required for requesting library.")
return HttpResponse(simplejson.dumps(error), mimetype='application/json')
logger.info("Incoming request- get library with parameters device_id " + str(device_id) + ", location_id " + str(location_id))
library = MusicTrack.objects.all()
upcoming_playlist = PlaylistItem.objects.filter(Q(item_state = 2) | Q(item_state=1))
return remove_items_in_playlist(library, upcoming_playlist)
def voteUp(request):
params = None
if (request.method == 'GET'):
params = request.GET
elif request.method == 'POST':
params = request.POST
location_service = LocationService()
consumer_service = ConsumerService()
user_id = params.get('user_id', None)
api_token = params.get('api_key', None)
location_id = params.get('location_id', None)
music_track_id = params.get('music_track_id', None)
if not location_id:
raise InvalidLocationError(location_id)
if not music_track_id:
raise MusicTrackNotFoundError(music_track_id)
consumer = consumer_service.isValidUser(user_id, api_token)
if not consumer:
raise InvalidUserError(user_id)
if not location_service.isActive(location_id):
response_data = {}
location_service.checkOut(consumer)
response_data['message'] = 'Location is not active'
response_data['checked_out'] = True
response_data['status'] = 200
return HttpResponse(HttpResponse(json.dumps(response_data), mimetype='application/json'))
logger.info("Incoming request- vote up with parameters user_id " + str(user_id) + ", location_id " + str(location_id) + ", music_track_id " + str(music_track_id))
voting_service = VotingService()
try:
voting_service.voteUp(consumer, location_id, music_track_id)
logger.info("Updated playlist after vote up for music track " + str(music_track_id) + " at location " + str(location_id) + " from user " + str(user_id))
except UnableToVoteError as utv:
error = utils.internalServerErrorResponse(utv.value)
logger.error(utv.value)
return HttpResponse(simplejson.dumps(error), mimetype='application/json')
return __refreshPlaylistHelper__(consumer, location_id)
