class AshGeoJsonSerializer(GeoFeatureModelSerializer):
location = GeometrySerializerMethodField()
volcano = VolcanoSerializer(many=False, read_only=True, write_only=False)
def get_location(self, obj):
return obj.volcano.location
class Meta:
model = Ash
geo_field = 'location'
id = 'id',
fields = (
'id',
'event_id_formatted',
'volcano',
'hazard_file',
'impact_files',
'event_time',
'event_time_zone_offset',
'event_time_zone_string',
'alert_level',
'task_status',
'eruption_height',
)
class OrganisationGeoSerializer(GeoFeatureModelSerializer):
geography_model = GeometrySerializerMethodField()
def get_geography_model(self, obj):
return obj.geography.geography.simplify(0.0009)
class Meta:
model = Organisation
extra_kwargs = {
'url': {
'view_name': 'organisation-geo',
'lookup_field': 'pk'
}
}
geo_field = 'geography_model'
fields = (
'official_identifier',
'organisation_type',
'organisation_subtype',
'official_name',
'common_name',
'gss',
'slug',
'territory_code',
'election_name'
)
class GeoOccurrenceSerializer(GeoFeatureModelSerializer):
resource_uri = serializers.HyperlinkedIdentityField(
view_name='api:occurrence-detail', read_only=True)
# a field which contains a geometry value and can be used as geo_field
location = GeometrySerializerMethodField()
class Meta:
model = Occurrence
geo_field = 'location'
id_field = False
fields = (
'id',
'resource_uri',
'title',
'description',
'start',
'end',
'location',
)
def get_location(self, obj):
try:
# Get the location from relation
return obj.location.location
except AttributeError:
return None
class CountrySerializer(GeoFeatureModelSerializer):
current_total = serializers.SerializerMethodField("get_current_total")
location = GeometrySerializerMethodField(
) # allows to compute value during serialization
def get_current_total(
self, country
): # SerializerMethodField automatically infers callback from variable name
try:
items = Confirmed.objects.filter(country=country.pk).latest('date')
except Confirmed.DoesNotExist:
items = Confirmed(country=country, date=None, total=None)
serializer = CovidConfirmedSerializer(instance=items)
return serializer.data
def get_location(self, obj):
return Point(obj.lon, obj.lat)
class Meta:
model = WorldBorder
geo_field = 'location'
fields = (
'name',
'pop2005',
'current_total',
)
class BoundaryGeojsonSerializer(GeoFeatureModelSerializer):
geometry = GeometrySerializerMethodField()
class Meta:
model = Boundary
geo_field = 'geometry'
fields = []
def get_geometry(self, obj):
return obj.geometry
class UserBondarySerializer(GeoFeatureModelSerializer):
geometry = GeometrySerializerMethodField()
class Meta:
model = UserBoundary
geo_field = 'geometry'
fields = ['id', 'name']
def get_geometry(self, obj):
return obj.geometry
class placeSerializer(GeoFeatureModelSerializer):
point = GeometrySerializerMethodField()
def get_point(self, obj):
return Point(obj.lat, obj.lon)
class Meta:
model = place
geo_field = "point"
fields = ('city', 'district', 'street', 'house')
class AssetGeoJsonSerializer(GeoFeatureModelSerializer):
geom = GeometrySerializerMethodField()
asset_types = AssetTypeSerializer(many=True)
def get_geom(self, obj):
return obj.location.geom
class Meta:
model = Asset
geo_field = 'geom'
fields = ['name', 'asset_types']
class ClusterSerializer(GeoFeatureModelSerializer):
"""A class to serialize locations as GeoJSON compatible data."""
point = GeometrySerializerMethodField()
point_geohash = CharField()
cluster_count = IntegerField()
def get_point(self, obj):
"""Parse a geohashed point to Geometry."""
y, x = geohash.decode(obj['point_geohash'])
return Point(x, y)
class DeliverySerializer(geo_serializers.GeoFeatureModelSerializer):
def get_path(self, obj):
print obj
return LineString(obj.destination, obj.origin)
path = GeometrySerializerMethodField()
class Meta:
model = Delivery
geo_field = "path"
fields = ("by", "date")
class kazpostSerializer(GeoFeatureModelSerializer):
point = GeometrySerializerMethodField()
def get_point(self, obj):
return Point(obj.lat, obj.lon)
class Meta:
model = kazpost
geo_field = "point"
fields = ('region', 'area', 'locality', 'district', 'street', 'house')
class LocationSerializer(GeoFeatureModelSerializer):
""" A class to serialize locations as GeoJSON compatible data """
point = GeometrySerializerMethodField()
def get_point(self, obj):
return obj.get_point
class Meta:
model = Location
geo_field = "point"
fields = ('id', 'street', 'city', 'state')
class BioCollectionGeojsonSerializer(GeoFeatureModelSerializer):
geometry = GeometrySerializerMethodField()
location_site = serializers.SerializerMethodField()
species_name = serializers.SerializerMethodField()
notes = serializers.SerializerMethodField()
category = serializers.SerializerMethodField()
date = serializers.SerializerMethodField()
collector = serializers.SerializerMethodField()
def get_location_site(self, obj):
if obj.site:
return obj.site.name
return ''
def get_species_name(self, obj):
return obj.original_species_name
def get_notes(self, obj):
return obj.notes
def get_category(self, obj):
return obj.category
def get_date(self, obj):
if obj.collection_date:
return obj.collection_date.strftime('%Y-%m-%d')
def get_collector(self, obj):
return obj.collector
def get_geometry(self, obj):
if obj.site:
return obj.site.get_geometry()
return None
class Meta:
model = BiologicalCollectionRecord
geo_field = 'geometry'
fields = [
'location_site', 'species_name', 'notes', 'category', 'date',
'collector'
]
def to_representation(self, instance):
result = super(BioCollectionGeojsonSerializer,
self).to_representation(instance)
try:
taxonomy = TaxonExportSerializer(instance.taxonomy).data
result['properties'].update(taxonomy)
except KeyError:
pass
return result
class OrganisationGeoSerializer(GeoFeatureModelSerializer):
geography_model = GeometrySerializerMethodField()
url = OrganisationHyperlinkedIdentityField(
view_name="api:organisation-geo", read_only=True)
def get_geography_model(self, obj):
return obj.geographies.latest().geography
class Meta:
model = Organisation
geo_field = "geography_model"
fields = org_fields
class ParkingAreaSerializer(GeoFeatureModelSerializer):
wgs84_areas = GeometrySerializerMethodField()
def get_wgs84_areas(self, area):
return area.geom.transform(4326, clone=True)
class Meta:
model = ParkingArea
geo_field = 'wgs84_areas'
fields = (
'id',
'capacity_estimate',
)
class ElectionGeoSerializer(GeoFeatureModelSerializer, BaseElectionSerializer):
geography_model = GeometrySerializerMethodField()
def get_geography_model(self, obj):
if obj.geography is None:
return None
return obj.geography.geography
class Meta:
model = Election
extra_kwargs = {"url": {"view_name": "election-geo", "lookup_field": "pk"}}
geo_field = "geography_model"
fields = election_fields
depth = 1
class ConferenceGeoSerializer(GeoFeatureModelSerializer):
name = serializers.SerializerMethodField('is_named_bar')
def is_named_bar(self, available_layer):
return available_layer.__unicode__()
geometry = GeometrySerializerMethodField()
def get_geometry(self, obj):
return None
class Meta:
model = Conference
geo_field = 'location'
exclude = []
def to_representation(self, instance):
result = super(ConferenceGeoSerializer, self).to_representation(instance)
return result
class ElectionGeoSerializer(GeoFeatureModelSerializer, BaseElectionSerializer):
geography_model = GeometrySerializerMethodField()
def get_geography_model(self, obj):
if obj.geography is None:
return None
return obj.geography.geography
class Meta:
model = Election
extra_kwargs = {
'url': {
'view_name': 'election-geo',
'lookup_field': 'pk'
}
}
geo_field = 'geography_model'
fields = election_fields
depth = 1
class PendingReviewGeoSerializer(GeoFeatureModelSerializer):
geom = GeometrySerializerMethodField()
centroid = SerializerMethodField()
attributes = SerializerMethodField()
osm_id = SerializerMethodField()
osm_type = SerializerMethodField()
reason = SerializerMethodField()
class Meta:
model = PendingReview
geo_field = 'geom'
fields = ['centroid', 'attributes', 'osm_id', 'osm_type', 'reason']
def get_payload(self, obj):
payload = ast.literal_eval(obj.payload)
payload['type'] = 'node'
return payload
def get_geom(self, obj):
payload = self.get_payload(obj)
return Point(payload.get('lon', None), payload.get('lat', None))
def get_centroid(self, obj):
return json.loads(self.get_geom(obj).geojson)
def get_attributes(self, obj):
payload = self.get_payload(obj)
return payload.get('tag', {})
def get_osm_id(self, obj):
payload = self.get_payload(obj)
return payload.get('id', None)
def get_osm_type(self, obj):
payload = self.get_payload(obj)
return payload.get('type', 'node')
def get_reason(self, obj):
return obj.reason
class ShellfishAreaListSerializer(GeoFeatureModelSerializer):
simplified_geom = GeometrySerializerMethodField()
class Meta:
model = ShellfishArea
geo_field = "simplified_geom"
fields = [
"id",
"name",
"state",
"acres",
"area_description",
"geom_center_point",
"simplified_geom",
]
def get_simplified_geom(self, obj):
# Returns a new GEOSGeometry, simplified to the specified tolerance
# using the Douglas-Peucker algorithm. A higher tolerance value implies
# fewer points in the output. If no tolerance is provided, it
# defaults to 0.
return obj.geom.simplify(tolerance=0.001, preserve_topology=True)
class AshGeoJsonSerializer(GeoFeatureModelSerializer):
location = GeometrySerializerMethodField()
volcano = VolcanoSerializer(many=False, read_only=True, write_only=False)
def get_location(self, obj):
return obj.volcano.location
def get_event_id_formatted(self, serializer_field, obj):
"""
:param serializer_field:
:type serializer_field: CustomSerializerMethodField
:param obj:
:type obj: Ash
:return:
"""
dateformat = '%Y%m%d%H%M%S%z'
return '%s-%s' % (obj.event_time.strftime(dateformat),
obj.volcano.volcano_name)
# auto bind to get_url method
event_id_formatted = CustomSerializerMethodField()
class Meta:
model = Ash
geo_field = 'location'
id = 'id',
fields = (
'id',
'event_id_formatted',
'volcano',
'hazard_file',
'impact_files',
'event_time',
'alert_level',
'task_status',
'eruption_height',
)
class FeatureSerializer(GeoFeatureModelSerializer):
geom = GeometrySerializerMethodField('get_geom')
def get_geom(self, obj):
print('obj', obj.__dict__)
s = json.dumps(obj.jsonb)
g1 = geojson.loads(s)
g2 = shape(g1)
djgeo = GEOSGeometry(g2.wkt)
print('geom', djgeo.geojson)
return GEOSGeometry(g2.wkt)
#
title = serializers.SerializerMethodField('get_title')
def get_title(self, obj):
return obj.place.title
class Meta:
model = PlaceGeom
geo_field = 'geom'
id_field = False
fields = ('place_id', 'src_id', 'title')
class OperationalPresenceLocationListSerializer(GeoFeatureModelSerializer):
partners = serializers.SerializerMethodField()
point = GeometrySerializerMethodField()
geom = AnnotatedGeometryField(source="*")
def get_point(self, obj):
return obj.geo_point or None
def get_partners(self, obj):
partners = Partner.objects.filter(
clusters__response_plan__workspace__countries__gateway_types__locations=obj) \
.distinct() \
.values_list('title', flat=True)
partner_data = {
cluster: partners.filter(clusters__type=cluster)
for cluster in set(
partners.values_list('clusters__type', flat=True))
}
partner_data["all"] = partners
return partner_data
class Meta:
model = Location
geo_field = 'geom'
fields = (
'id',
'title',
'latitude',
'longitude',
'p_code',
'geom',
'point',
'partners',
)
class HouseSerializer(GeoFeatureModelSerializer):
images = ImageSerializer(many=True, required=False)
date = RentalDateSerializer(required=False)
description = DescriptionSerializer(required=False)
contact = ContactSerializer(required=False)
base = BasicInfoSerializer(required=False)
requirement = RequirementSerializer(required=False)
uuid = serializers.CharField(required=True)
category = serializers.CharField(required=False, default='Lease')
fulladdress = serializers.CharField(required=False, default='')
address = serializers.CharField(required=False, default='')
city = serializers.CharField(required=False, default='')
state = serializers.CharField(required=False, default='')
zipcode = serializers.CharField(required=False, default='')
longitude = serializers.CharField(required=False, default='41.8781')
latitude = serializers.CharField(required=False, default='87.6298')
location = GeometrySerializerMethodField(required=False)
submittime = serializers.CharField(required=False, default='')
videos = serializers.CharField(required=False, default='')
def get_location(self, obj):
return obj.location
def create(self, validated_data):
uuid = validated_data.get('uuid')
category = validated_data.get('category')
print(validated_data)
fulladdress = validated_data.get('fulladdress')
address = validated_data.get('address')
city = validated_data.get('city')
state = validated_data.get('state')
zipcode = validated_data.get('zipcode')
submittime = validated_data.get('submittime')
longitude = validated_data.get('longitude')
latitude = validated_data.get('latitude')
location = Point(float(longitude), float(latitude))
# Date
rental_date = validated_data.get('date')
# print(rental_date)
# Description
house_description = validated_data.get('description')
# Contact
contact_info = validated_data.get('contact')
# Base
basic_info = validated_data.get('base')
# Requirement
rental_requirement = validated_data.get('requirement')
images_data = validated_data.get('images')
videos = validated_data.get('videos')
if rental_date:
# print(rental_date)
date = HouseRentalDate()
date.starttime = rental_date.get('starttime')
date.endtime = rental_date.get('endtime')
date.save()
if house_description:
# print(house_description)
description = HouseDescription()
description.title = house_description.get('title')
description.description = house_description.get('description')
description.save()
if contact_info:
# print(contact_info)
contact = HouseContact()
contact.phonenumber = contact_info.get('phonenumber')
contact.email = contact_info.get('email')
contact.wechat = contact_info.get('wechat')
contact.save()
if basic_info:
# print(basic_info)
base = HouseBasicInfo()
base.price = basic_info.get('price')
base.housetype = basic_info.get('housetype')
base.roomtype = basic_info.get('roomtype')
base.bathroom = basic_info.get('bathroom')
base.parkinglot = basic_info.get('parkinglot')
base.washingmachine = basic_info.get('washingmachine')
base.save()
includeds_data = basic_info.get('included')
nearbys_data = basic_info.get('nearby')
for included_data in includeds_data:
included_instance = HouseIncluded(base=base)
included_instance.included = included_data.get('included')
included_instance.save()
for nearby_data in nearbys_data:
nearby_instance = HouseNearby(base=base)
nearby_instance.nearby = nearby_data.get('nearby')
nearby_instance.save()
if rental_requirement:
requirement = HouseRequirement()
requirement.leaseperiod = rental_requirement.get('leaseperiod')
requirement.gender = rental_requirement.get('gender')
requirement.cooking = rental_requirement.get('cooking')
requirement.smoking = rental_requirement.get('smoking')
requirement.save()
otherrequirements_data = rental_requirement.get(
'otherrequirements')
for otherrequirement_data in otherrequirements_data:
otherrequirement_instance = HouseOtherRequirement(
requirement=requirement)
otherrequirement_instance.otherrequirement = otherrequirement_data.get(
'otherrequirement')
otherrequirement_instance.save()
house = House(uuid=uuid)
if date:
house.date = date
if description:
house.description = description
if contact:
house.contact = contact
if base:
house.base = base
if requirement:
house.requirement = requirement
house.category = category
house.fulladdress = fulladdress
house.address = address
house.city = city
house.state = state
house.zipcode = zipcode
house.longitude = longitude
house.latitude = latitude
house.location = location
house.submittime = submittime
house.videos = videos
# print(house)
house.save()
# Image
for image_data in images_data:
print(image_data.get('image'))
image_instance = HouseImage(house=house)
image_instance.image = image_data.get('image')
image_instance.save()
return house
def update(self, instance, validated_data):
uuid = validated_data.get('uuid')
category = validated_data.get('category')
fulladdress = validated_data.get('fulladdress')
address = validated_data.get('address')
city = validated_data.get('city')
state = validated_data.get('state')
zipcode = validated_data.get('zipcode')
submittime = validated_data.get('submittime')
longitude = validated_data.get('longitude')
latitude = validated_data.get('latitude')
location = Point(float(longitude), float(latitude))
# Date
rental_date = validated_data.get('date')
# Description
house_description = validated_data.get('description')
# Contact
contact_info = validated_data.get('contact')
# Base
basic_info = validated_data.get('base')
# Requirement
rental_requirement = validated_data.get('requirement')
images_data = validated_data.get('images')
videos = validated_data.get('videos')
instance.uuid = uuid
instance.category = category
instance.fulladdress = fulladdress
instance.address = address
instance.city = city
instance.state = state
instance.zipcode = zipcode
instance.submittime = submittime
instance.videos = videos
instance.longitude = longitude
instance.latitude = latitude
instance.location = location
instance.save()
if rental_date:
date = HouseRentalDate(house=instance)
date.starttime = rental_date.get('starttime')
date.endtime = rental_date.get('endtime')
date.save()
if house_description:
description = HouseDescription(house=instance)
description.title = house_description.get('title')
description.description = house_description.get('description')
description.save()
if contact_info:
contact = HouseContact(house=instance)
contact.phonenumber = contact_info.get('phonenumber')
contact.email = contact_info.get('email')
contact.wechat = contact_info.get('wechat')
contact.save()
if basic_info:
base = HouseBasicInfo(house=instance)
base.price = basic_info.get('price')
base.housetype = basic_info.get('housetype')
base.roomtype = basic_info.get('roomtype')
base.bathroom = basic_info.get('bathroom')
base.parkinglot = basic_info.get('parkinglot')
base.washingmachine = basic_info.get('washingmachine')
base.save()
includeds_data = basic_info.get('included')
nearbys_data = basic_info.get('nearby')
for included_data in includeds_data:
included_instance = HouseIncluded(base=base)
included_instance.name = included_data
included_instance.save()
for nearby_data in nearbys_data:
nearby_instance = HouseNearby(base=base)
nearby_instance.name = nearby_data
nearby_instance.save()
if rental_requirement:
requirement = HouseRequirement(house=instance)
requirement.leaseperiod = rental_requirement.get('leaseperiod')
requirement.gender = rental_requirement.get('gender')
requirement.cooking = rental_requirement.get('cooking')
requirement.smoking = rental_requirement.get('smoking')
requirement.save()
otherrequirements_data = rental_requirement.get(
'otherrequirements')
for otherrequirement_data in otherrequirements_data:
otherrequirement_instance = HouseOtherRequirement(
requirement=requirement)
otherrequirement_instance.name = otherrequirement_data
otherrequirement_instance.save()
# Image
for image_data in images_data:
image_instance = HouseImage(house=instance)
image_instance.image = image_data
image_instance.save()
return instance
class Meta:
model = House
geo_field = 'location'
fields = ('id', 'uuid', 'category', 'fulladdress', 'address', 'city',
'state', 'zipcode', 'submittime', 'longitude', 'latitude',
'date', 'description', 'contact', 'base', 'requirement',
'images', 'videos')
class BMHouseSerializer(GeoFeatureModelSerializer):
uuid = serializers.CharField(required=True)
category = serializers.CharField(required=False, default='Lease')
fulladdress = serializers.CharField(required=False, default='No Data')
address = serializers.CharField(required=False, default='')
city = serializers.CharField(required=False, default='No Data')
state = serializers.CharField(required=False, default='No Data')
zipcode = serializers.CharField(required=False, default='No Data')
longitude = serializers.CharField(required=False, default='41.8781')
latitude = serializers.CharField(required=False, default='87.6298')
location = GeometrySerializerMethodField(required=False)
submittime = serializers.CharField(required=False, default='No Data')
date = RentalDateField(source='*')
description = DescriptionField(source='*')
contact = ContactField(source='*')
base = BasicInfoField(source='*')
requirement = RequirementField(source='*')
images = ImagesField(source='*')
videos = serializers.CharField(required=False, default='No Data')
def get_location(self, obj):
return obj.location
def create(self, validated_data):
uuid = validated_data.get('uuid')
category = validated_data.get('category')
fulladdress = validated_data.get('fulladdress')
address = validated_data.get('address')
city = validated_data.get('city')
state = validated_data.get('state')
zipcode = validated_data.get('zipcode')
submittime = validated_data.get('submittime')
longitude = validated_data.get('longitude')
latitude = validated_data.get('latitude')
location = Point(float(longitude), float(latitude))
starttime = validated_data.get('starttime')
endtime = validated_data.get('endtime')
title = validated_data.get('title')
description = validated_data.get('description')
phonenumber = validated_data.get('phonenumber')
email = validated_data.get('email')
wechat = validated_data.get('wechat')
price = validated_data.get('price')
housetype = validated_data.get('housetype')
roomtype = validated_data.get('roomtype')
bathroom = validated_data.get('bathroom')
parkinglot = validated_data.get('parkinglot')
washingmachine = validated_data.get('washingmachine')
included = validated_data.get('included')
nearby = validated_data.get('nearby')
leaseperiod = validated_data.get('leaseperiod')
gender = validated_data.get('gender')
cooking = validated_data.get('cooking')
smoking = validated_data.get('smoking')
otherrequirements = validated_data.get('otherrequirements')
images = validated_data.get('images')
videos = validated_data.get('videos')
house = BMHouse(uuid=uuid)
house.category = category
house.fulladdress = fulladdress
house.address = address
house.city = city
house.state = state
house.zipcode = zipcode
house.longitude = longitude
house.latitude = latitude
house.location = location
house.submittime = submittime
house.starttime = starttime
house.endtime = endtime
house.title = title
house.description = description
house.phonenumber = phonenumber
house.email = email
house.wechat = wechat
house.price = price
house.housetype = housetype
house.roomtype = roomtype
house.bathroom = bathroom
house.parkinglot = parkinglot
house.washingmachine = washingmachine
house.included = included
house.nearby = nearby
house.leaseperiod = leaseperiod
house.gender = gender
house.cooking = cooking
house.smoking = smoking
house.otherrequirements = otherrequirements
house.images = images
house.videos = videos
# print(house)
house.save()
return house
def update(self, instance, validated_data):
uuid = validated_data.get('uuid')
category = validated_data.get('category')
fulladdress = validated_data.get('fulladdress')
address = validated_data.get('address')
city = validated_data.get('city')
state = validated_data.get('state')
zipcode = validated_data.get('zipcode')
submittime = validated_data.get('submittime')
longitude = validated_data.get('longitude')
latitude = validated_data.get('latitude')
location = Point(float(longitude), float(latitude))
starttime = validated_data.get('starttime')
endtime = validated_data.get('endtime')
title = validated_data.get('title')
description = validated_data.get('description')
phonenumber = validated_data.get('phonenumber')
email = validated_data.get('email')
wechat = validated_data.get('wechat')
price = validated_data.get('price')
housetype = validated_data.get('housetype')
roomtype = validated_data.get('roomtype')
bathroom = validated_data.get('bathroom')
parkinglot = validated_data.get('parkinglot')
washingmachine = validated_data.get('washingmachine')
included = validated_data.get('included')
nearby = validated_data.get('nearby')
leaseperiod = validated_data.get('leaseperiod')
gender = validated_data.get('gender')
cooking = validated_data.get('cooking')
smoking = validated_data.get('smoking')
otherrequirements = validated_data.get('otherrequirements')
images = validated_data.get('images')
videos = validated_data.get('videos')
instance.uuid = uuid
instance.category = category
instance.fulladdress = fulladdress
instance.address = address
instance.city = city
instance.state = state
instance.zipcode = zipcode
instance.longitude = longitude
instance.latitude = latitude
instance.location = location
instance.submittime = submittime
instance.starttime = starttime
instance.endtime = endtime
instance.title = title
instance.description = description
instance.phonenumber = phonenumber
instance.email = email
instance.wechat = wechat
instance.price = price
instance.housetype = housetype
instance.roomtype = roomtype
instance.bathroom = bathroom
instance.parkinglot = parkinglot
instance.washingmachine = washingmachine
instance.included = included
instance.nearby = nearby
instance.leaseperiod = leaseperiod
instance.gender = gender
instance.cooking = cooking
instance.smoking = smoking
instance.otherrequirements = otherrequirements
instance.images = images
instance.videos = videos
instance.save()
return instance
class Meta:
model = BMHouse
geo_field = 'location'
fields = ('id', 'uuid', 'category', 'fulladdress', 'address', 'city',
'state', 'zipcode', 'submittime', 'longitude', 'latitude',
'date', 'description', 'contact', 'base', 'requirement',
'images', 'videos')
