def put_Point(self, putPointInput: 'PutPointInput'):
"""
The dict in Item put_item call, should contains a dict with string as a key and a string as a value: {"N": "123"}
"""
geohash = S2Manager().generateGeohash(putPointInput.GeoPoint)
hashKey = S2Manager().generateHashKey(geohash,
self.config.hashKeyLength)
response = ""
params = putPointInput.ExtraFields.copy()
params['TableName'] = self.config.tableName
if ('Item' not in putPointInput.ExtraFields.keys()):
params['Item'] = {}
params['Item'][self.config.hashKeyAttributeName] = {"N": str(hashKey)}
params['Item'][self.config.rangeKeyAttributeName] = {
"S": putPointInput.RangeKeyValue
}
params['Item'][self.config.geohashAttributeName] = {'N': str(geohash)}
params['Item'][self.config.geoJsonAttributeName] = {
"S":
"{},{}".format(putPointInput.GeoPoint.latitude,
putPointInput.GeoPoint.longitude)
}
try:
response = self.config.dynamoDBClient.put_item(**params)
except Exception as e:
print("The following error occured during the item insertion :{}".
format(e))
response = "Error"
return response
def update_Point(self, UpdateItemInput: 'UpdateItemInput'):
"""
The dict in Item Update call, should contains a dict with string as a key and a string as a value: {"N": "123"}
"""
geohash = S2Manager().generateGeohash(UpdateItemInput.GeoPoint)
hashKey = S2Manager().generateHashKey(geohash,
self.config.hashKeyLength)
response = ""
params = UpdateItemInput.ExtraFields.copy()
params['TableName'] = self.config.tableName
if ('Key' not in UpdateItemInput.ExtraFields.keys()):
params['Key'] = {}
params['Key'][self.config.hashKeyAttributeName] = {"N": str(hashKey)}
params['Key'][self.config.rangeKeyAttributeName] = {
"S": UpdateItemInput.RangeKeyValue
}
#TODO Geohash and geoJson cannot be updated. For now no control over that need to be added
try:
response = self.config.dynamoDBClient.update_item(**params)
except Exception as e:
print("The following error occured during the item update :{}".
format(e))
response = "Error"
return response
def delete_Point(self, DeleteItemInput: 'DeleteItemInput'):
"""
The dict in Item Update call, should contains a dict with string as a key and a string as a value: {"N": "123"}
"""
geohash = S2Manager().generateGeohash(DeleteItemInput.GeoPoint)
hashKey = S2Manager().generateHashKey(geohash,
self.config.hashKeyLength)
response = ""
params = DeleteItemInput.ExtraFields.copy()
params['TableName'] = self.config.tableName
if ('Key' not in DeleteItemInput.ExtraFields.keys()):
params['Key'] = {}
params['Key'][self.config.hashKeyAttributeName] = {"N": str(hashKey)}
params['Key'][self.config.rangeKeyAttributeName] = {
"S": DeleteItemInput.RangeKeyValue
}
try:
response = self.config.dynamoDBClient.delete_item(**params)
except Exception as e:
print("The following error occured during the item delete :{}".
format(e))
response = "Error"
return response
def get_Point(self, getPointInput: 'GetPointInput'):
"""
The dict in Key get_item call, should contains a dict with string as a key and a string as a value: {"N": "123"}
"""
geohash = S2Manager().generateGeohash(getPointInput.GeoPoint)
hashKey = S2Manager().generateHashKey(geohash, self.config.hashKeyLength)
response = ""
try:
response = self.config.dynamoDBClient.get_item(
TableName=self.config.tableName,
Key={
self.config.hashKeyAttributeName: {"N": str(hashKey)},
self.config.rangeKeyAttributeName: {
"S": getPointInput.RangeKeyValue}
}
)
except Exception as e:
print("The following error occured during the item retrieval :{}".format(e))
response = "Error"
return response