move into __init__
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					 2 changed files with 116 additions and 116 deletions
				
			
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from django.conf import settings
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from django.http import HttpResponse
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from django.utils.hashcompat import sha_constructor as sha1
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from django.utils import simplejson as json
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class LayarException(Exception):
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    def __init__(self, code, message):
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        self.code = code
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        self.message = message
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class POI(object):
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    def __init__(self, id, lat, lon, title, actions=None, image_url=None,
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                 line2=None, line3=None, line4=None, type=0, attribution=None):
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        self.id = str(id)
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        self.lat = lat
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        self.lon = lon
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        self.title = title          # recommended max len 60
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        self.imageURL = image_url
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        self.line2 = line2          # recommended max len 35
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        self.line3 = line3
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        self.line4 = line4
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        self.type = type            # must be 0..3
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        self.attribution = attribution  # recommended max len 45
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        self.actions = actions
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    def to_dict(self):
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        d = dict(self.__dict__)
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        # do lat/long conversion
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        if isinstance(self.lat, float):
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            d['lat'] = int(self.lat*1000000)
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        if isinstance(self.lon, float):
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            d['lon'] = int(self.lon*1000000)
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        # convert actions dictionary into expected format
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        if self.actions:
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            d['actions'] = [{'label':k, 'uri':v} for k,v in self.actions.iteritems()]
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        else:
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            d['actions'] = []
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        return d
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class LayarView(object):
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    results_per_page = 15
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    max_results = 50
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    verify_hash = True
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    def __init__(self):
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        self.developer_key = settings.LAYAR_DEVELOPER_KEY
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    def __call__(self, request):
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        user_id = request.GET['userId']
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        developer_id = request.GET['developerId']
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        developer_hash = request.GET['developerHash']
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        timestamp = request.GET['timestamp']
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        layer_name = request.GET['layerName']
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        lat = float(request.GET['lat'])
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        lon = float(request.GET['lon'])
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        accuracy = int(request.GET['accuracy'])
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        radius = int(request.GET['radius'])
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        radio_option = request.GET.get('RADIOLIST')
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        search = request.GET.get('SEARCHBOX')
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        slider = request.GET.get('CUSTOM_SLIDER')
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        page = int(request.GET.get('pageKey', 0))
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        layar_response = dict(hotspots=[], layer=layer_name, errorCode=0,
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                          errorString='ok', nextPageKey=None, morePages=False)
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        try:
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            # verify hash
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            if self.verify_hash:
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                key = self.developer_key + timestamp
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                if sha1(key).hexdigest() != developer_hash:
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                    raise LayarException(20, 'Bad developerHash')
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            # get ``max_results`` items from queryset
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            try:
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                qs_func = getattr(self, 'get_%s_queryset' % layer_name)
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            except AttributeError:
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                raise LayarException(21, 'no such layer: %s' % layer_name)
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            qs = qs_func(latitude=lat, longitude=lon, radius=radius,
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                         radio_option=radio_option, search_query=search,
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                         slider_value=slider)[:self.max_results]
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            # do pagination if results_per_page is set
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            if self.results_per_page:
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                start_index = self.results_per_page * page
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                end_index = start_index + self.results_per_page
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                # if there are more pages, indicate that in response
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                if end_index < qs.count()-1:
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                    layar_response['morePages'] = True
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                    layar_response['nextPageKey'] = str(page+1)
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                qs = qs[start_index:end_index]
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            # convert queryset into POIs
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            try:
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                poi_func = getattr(self, 'poi_from_%s_item' % layer_name)
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            except AttributeError:
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                raise LayarException(21, 'no such layer: %s' % layer_name)
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            pois = [poi_func(item) for item in qs]
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            layar_response['hotspots'] = [poi.to_dict() for poi in pois]
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        except LayarException, e:
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            layar_response['errorCode'] = e.code
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            layar_response['errorString'] = e.message
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        content = json.dumps(layar_response)
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        return HttpResponse(content,
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                content_type='application/javascript; charset=utf-8')
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										116
									
								
								layar/views.py
									
									
									
									
									
								
							
							
						
						
									
										116
									
								
								layar/views.py
									
									
									
									
									
								
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			@ -1,116 +0,0 @@
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from django.conf import settings
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from django.http import HttpResponse
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from django.utils.hashcompat import sha_constructor as sha1
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from django.utils import simplejson as json
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class LayarException(Exception):
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    def __init__(self, code, message):
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        self.code = code
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        self.message = message
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class POI(object):
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    def __init__(self, id, lat, lon, title, actions=None, image_url=None,
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                 line2=None, line3=None, line4=None, type=0, attribution=None):
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        self.id = str(id)
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        self.lat = lat
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        self.lon = lon
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        self.title = title          # recommended max len 60
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        self.imageURL = image_url
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        self.line2 = line2          # recommended max len 35
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        self.line3 = line3
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        self.line4 = line4
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        self.type = type            # must be 0..3
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        self.attribution = attribution  # recommended max len 45
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        self.actions = actions
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    def to_dict(self):
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        d = dict(self.__dict__)
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        # do lat/long conversion
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        if isinstance(self.lat, float):
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            d['lat'] = int(self.lat*1000000)
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        if isinstance(self.lon, float):
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            d['lon'] = int(self.lon*1000000)
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        # convert actions dictionary into expected format
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        if self.actions:
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            d['actions'] = [{'label':k, 'uri':v} for k,v in self.actions.iteritems()]
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        else:
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            d['actions'] = []
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        return d
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class LayarView(object):
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    results_per_page = 15
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    max_results = 50
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    verify_hash = True
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    def __init__(self):
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        self.developer_key = settings.LAYAR_DEVELOPER_KEY
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    def __call__(self, request):
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        user_id = request.GET['userId']
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        developer_id = request.GET['developerId']
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        developer_hash = request.GET['developerHash']
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        timestamp = request.GET['timestamp']
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        layer_name = request.GET['layerName']
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        lat = float(request.GET['lat'])
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        lon = float(request.GET['lon'])
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        accuracy = int(request.GET['accuracy'])
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        radius = int(request.GET['radius'])
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        radio_option = request.GET.get('RADIOLIST')
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        search = request.GET.get('SEARCHBOX')
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        slider = request.GET.get('CUSTOM_SLIDER')
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        page = int(request.GET.get('pageKey', 0))
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        layar_response = dict(hotspots=[], layer=layer_name, errorCode=0,
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                          errorString='ok', nextPageKey=None, morePages=False)
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        try:
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            # verify hash
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            if self.verify_hash:
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                key = self.developer_key + timestamp
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                if sha1(key).hexdigest() != developer_hash:
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                    raise LayarException(20, 'Bad developerHash')
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            # get ``max_results`` items from queryset
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            try:
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                qs_func = getattr(self, 'get_%s_queryset' % layer_name)
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            except AttributeError:
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                raise LayarException(21, 'no such layer: %s' % layer_name)
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            qs = qs_func(latitude=lat, longitude=lon, radius=radius,
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                         radio_option=radio_option, search_query=search,
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                         slider_value=slider)[:self.max_results]
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            # do pagination if results_per_page is set
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            if self.results_per_page:
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                start_index = self.results_per_page * page
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                end_index = start_index + self.results_per_page
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                # if there are more pages, indicate that in response
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                if end_index < qs.count()-1:
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                    layar_response['morePages'] = True
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                    layar_response['nextPageKey'] = str(page+1)
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                qs = qs[start_index:end_index]
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            # convert queryset into POIs
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            try:
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                poi_func = getattr(self, 'poi_from_%s_item' % layer_name)
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            except AttributeError:
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                raise LayarException(21, 'no such layer: %s' % layer_name)
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            pois = [poi_func(item) for item in qs]
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            layar_response['hotspots'] = [poi.to_dict() for poi in pois]
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        except LayarException, e:
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            layar_response['errorCode'] = e.code
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            layar_response['errorString'] = e.message
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        content = json.dumps(layar_response)
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        return HttpResponse(content,
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                content_type='application/javascript; charset=utf-8')
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