def within(request, id):
''' GET
Gets places where the centroids are within this place's geometry
Results are unsorted
also accept
per_page: results per page int, default=100
page: page no (starting with 1) int, default=1
Returns:
GeoJSON feed of search results
Extra properties of feed:
total: total number of results
max_score: max score in results (?)
page: page number
'''
place = get_place_or_404(id)
per_page = int(request.GET.get("per_page", 100))
page = int(request.GET.get("page", 1))
page_0 = page - 1
result = Place.objects.within(place, per_page=per_page, page=page_0)
total = result['total']
pages = int(math.ceil(total / (per_page + .0))) #get total number of pages
ret = {
'type': 'FeatureCollection',
'features': [p.to_geojson() for p in result['places']],
'total': total,
'page': result['page'],
'pages': pages,
'per_page': result['per_page'],
'max_score': result['max_score']
}
return render_to_json_response(ret)
def revision(request, id, revision):
'''
Get GeoJSON of a place at given revision
'''
place = get_place_or_404(id)
if request.method == 'GET':
revision = Place.objects.revision(place, revision)
geojson = revision['place'].to_geojson()
geojson['version'] = revision['version']
geojson['digest'] = revision['digest']
return render_to_json_response(geojson)
elif request.method == 'PUT':
user_id = request.user.id
username = request.user.username
data = json.loads(request.body)
comment = data.get('comment', '')
metadata = {'user': username, 'user_id': user_id, 'comment': comment}
place = place.rollback(
revision, metadata=metadata) #FIXME: handle invalid revision ids
return render_to_json_response(place.to_geojson())
else:
return render_to_json_response({'error': 'Method Not Allowed'},
status=405)
def revision(request, id, revision):
'''
Get GeoJSON of a place at given revision
'''
place = get_place_or_404(id)
if request.method == 'GET':
revision = Place.objects.revision(place,revision)
geojson = revision['place'].to_geojson()
geojson['version'] = revision['version']
geojson['digest'] = revision['digest']
return render_to_json_response(geojson)
elif request.method == 'PUT':
user_id = request.user.id
username = request.user.username
data = json.loads(request.body)
comment = data.get('comment', '')
metadata = {
'user': username,
'user_id': user_id,
'comment': comment
}
place = place.rollback(revision, metadata=metadata) #FIXME: handle invalid revision ids
return render_to_json_response(place.to_geojson())
else:
return render_to_json_response({'error': 'Method Not Allowed'}, status=405)
def within(request, id):
''' GET
Gets places where the centroids are within this place's geometry
Results are unsorted
also accept
per_page: results per page int, default=100
page: page no (starting with 1) int, default=1
Returns:
GeoJSON feed of search results
Extra properties of feed:
total: total number of results
max_score: max score in results (?)
page: page number
'''
place = get_place_or_404(id)
per_page = int(request.GET.get("per_page", 100))
page = int(request.GET.get("page", 1))
page_0 = page - 1
result = Place.objects.within(place, per_page=per_page, page=page_0)
total = result['total']
pages = int(math.ceil(total / (per_page + .0))) #get total number of pages
ret = {
'type': 'FeatureCollection',
'features': [p.to_geojson() for p in result['places']],
'total': total,
'page': result['page'],
'pages': pages,
'per_page': result['per_page'],
'max_score': result['max_score']
}
return render_to_json_response(ret)
def place_json(request, id):
place = get_place_or_404(id)
if request.method == 'GET':
'''
Return GeoJSON for Place
'''
geo_json = place.to_geojson()
return render_to_json_response(geo_json)
elif request.method == 'PUT':
'''
Takes a GeoJSON string as PUT data and saves Place
Saves and returns back GeoJSON for place.
'''
#FIXME: check permissions
# if not request.user.is_staff():
# return render_to_json_response({'error': 'You do not have permissions to edit this place.'}, status=403)
geojson = json.loads(request.body)
if geojson.has_key("comment"):
comment = geojson.pop("comment")
else:
comment = ''
json_obj = geojson.pop("properties")
json_obj['geometry'] = geojson['geometry']
#handle getting centroid:
if json_obj['geometry']:
centroid = GEOSGeometry(json.dumps(json_obj['geometry'])).centroid
json_obj['centroid'] = list(centroid.coords)
else:
json_obj['centroid'] = []
json_obj['geometry'] = {}
#updates place but doesn't save it
place.update(json_obj)
user_id = request.user.id
username = request.user.username
metadata = {
'user': username,
'user_id': user_id,
'comment': comment
}
place.save(metadata=metadata)
new_place = place.copy()#returns a copy of the newly saved place
return render_to_json_response(new_place.to_geojson())
elif request.method == 'DELETE':
return render_to_json_response({'error': 'Not implemented'}, status=501)
else:
return render_to_json_response({'error': 'Method Not Allowed'}, status=405)
def add_delete_relation(request, id1, relation_type, id2):
place1 = get_place_or_404(id1)
place2 = get_place_or_404(id2)
if relation_type not in Place.RELATION_CHOICES.keys():
return render_to_json_response({'error': 'Invalid relation type'},
status=404)
user_id = request.user.id
username = request.user.username
comment = json.loads(request.body).get("comment", "")
metadata = {'user': username, 'user_id': user_id, 'comment': comment}
if request.method == 'PUT':
place1.add_relation(place2, relation_type, metadata)
if request.method == 'DELETE':
place1.delete_relation(place2, metadata)
return relations(request, place1.id)
def place_json(request, id):
place = get_place_or_404(id)
if request.method == 'GET':
'''
Return GeoJSON for Place
'''
geo_json = place.to_geojson()
return render_to_json_response(geo_json)
elif request.method == 'PUT':
'''
Takes a GeoJSON string as PUT data and saves Place
Saves and returns back GeoJSON for place.
'''
#FIXME: check permissions
# if not request.user.is_staff():
# return render_to_json_response({'error': 'You do not have permissions to edit this place.'}, status=403)
geojson = json.loads(request.body)
if geojson.has_key("comment"):
comment = geojson.pop("comment")
else:
comment = ''
json_obj = geojson.pop("properties")
json_obj['geometry'] = geojson['geometry']
#handle getting centroid:
if json_obj['geometry']:
centroid = GEOSGeometry(json.dumps(json_obj['geometry'])).centroid
json_obj['centroid'] = list(centroid.coords)
else:
json_obj['centroid'] = []
json_obj['geometry'] = {}
#updates place but doesn't save it
place.update(json_obj)
user_id = request.user.id
username = request.user.username
metadata = {'user': username, 'user_id': user_id, 'comment': comment}
place.save(metadata=metadata)
new_place = place.copy() #returns a copy of the newly saved place
return render_to_json_response(new_place.to_geojson())
elif request.method == 'DELETE':
return render_to_json_response({'error': 'Not implemented'},
status=501)
else:
return render_to_json_response({'error': 'Method Not Allowed'},
status=405)
def add_delete_relation(request, id1, relation_type, id2):
place1 = get_place_or_404(id1)
place2 = get_place_or_404(id2)
if relation_type not in Place.RELATION_CHOICES.keys():
return render_to_json_response({'error': 'Invalid relation type'}, status=404)
user_id = request.user.id
username = request.user.username
comment = json.loads(request.body).get("comment", "")
metadata = {
'user': username,
'user_id': user_id,
'comment': comment
}
if request.method == 'PUT':
place1.add_relation(place2, relation_type, metadata)
if request.method == 'DELETE':
place1.delete_relation(place2, metadata)
return relations(request, place1.id)
def relations(request, id):
'''
Returns GeoJSON feed for related places. Adds a property 'relation_type' to geojson properties to indicate type of relations
'''
place = get_place_or_404(id)
features = []
if place.relationships:
for obj in place.relationships:
geojson = Place.objects.get(obj['id']).to_geojson()
geojson['properties']['relation_type'] = obj['type']
features.append(geojson)
relations_geojson = {'type': 'FeatureCollection', 'features': features}
return render_to_json_response(relations_geojson)
def relations(request, id):
'''
Returns GeoJSON feed for related places. Adds a property 'relation_type' to geojson properties to indicate type of relations
'''
place = get_place_or_404(id)
features = []
if place.relationships:
for obj in place.relationships:
geojson = Place.objects.get(obj['id']).to_geojson()
geojson['properties']['relation_type'] = obj['type']
features.append(geojson)
relations_geojson = {
'type': 'FeatureCollection',
'features': features
}
return render_to_json_response(relations_geojson)
