def test_filter_max_features(self):
myfilters = [{
'attribute': 'POP_MAX',
'operator': '>=',
'value': '100'
}]
result = webgisfilter(
self.url, 'Places',
maxfeatures=50, filters=myfilters
)
self.assertEqual(len(result['features']), 50,
"161 places found with population bigger then 100")
last_feature = result['features'][-1]
result = webgisfilter(
self.url, 'Places',
maxfeatures=50, startindex=49, filters=myfilters
)
self.assertEqual(len(result['features']), 50,
"161 places found with population bigger then 100")
first_feature = result['features'][0]
self.assertEqual(first_feature['id'], last_feature['id'])
def test_filter_prague(self):
prague_filter = [
{
'attribute': 'NAME',
'operator': '~',
'value': 'Prague'
}
]
result = webgisfilter(self.url, 'Places', filters=prague_filter)
self.assertEqual(len(result['features']), 1, "Prague found")
def filterdata(request):
"""Handle filter requrest - using OGC WFS service
The request body should look like:
{
'layer': 'Places',
'maxfeatures': 1000,
'startindex': 0,
'bbox': [0, 1, 2, 3],
'filters': [{
'attribute': 'NAME',
'value': 'Prague',
'operator': '='
}]
}
sent as HTTP POST request
"""
# TODO: use check_project_access
if request.method == 'POST':
project = request.GET['PROJECT']
project = get_last_project_version(project) + '.qgs'
url = settings.GISQUICK_MAPSERVER_URL
params = {'MAP': abs_project_path(project)}
mapserv = '{}?{}'.format(url, urllib.parse.urlencode(params))
filter_request = json.loads(request.body.decode('utf-8'))
layer_name = filter_request['layer']
maxfeatures = startindex = bbox = filters = None
if 'maxfeatures' in filter_request:
maxfeatures = filter_request['maxfeatures']
if 'startindex' in filter_request:
startindex = filter_request['startindex']
if 'bbox' in filter_request:
bbox = filter_request['bbox']
if 'filters' in filter_request:
filters = filter_request['filters']
result = webgisfilter(mapserv,
layer_name,
maxfeatures=maxfeatures,
startindex=startindex,
bbox=bbox,
filters=filters)
return HttpResponse(json.dumps(result),
content_type="application/json")
else:
raise Exception('No inputs specified, use POST method')
def test_filter_equal(self):
myfilters = [
{
'attribute': 'NAME',
'operator': '=',
'value': 'Prague'
}
]
fes = get_filter_fes(myfilters)
self.assertTrue(isinstance(fes, PropertyIsEqualTo), "PropertyIsEqualTo")
result = webgisfilter(self.url, 'Places', filters=myfilters)
self.assertEqual(len(result['features']), 1, "Prague found")
def _test_bbox(self):
bbox = [15, 50, 16, 51]
result = webgisfilter(self.url, 'Places', bbox=bbox)
self.assertEqual(len(result['features']), 3, '3 features returned bbox')
def _test_paging(self):
result = webgisfilter(self.url, 'Places', 30, 30)
self.assertEqual(len(result['features']), 30, '30 features returned')
def test_basic(self):
result = webgisfilter(self.url, 'Places')
self.assertTrue(result, 'WFS Response')
self.assertEqual(len(result['features']), 161, '161 places found')
self.assertFalse('geometry' in result['features'][0], 'Geometry cleared')