def databaseExists(self):
"""
Checks if database exists.
"""
_, host, port, user, password = self.viewServers.getDefaultConnectionParameters(
)
database = self.currentDb()
# get a PostGIS database instance to check if database exists
abstractDb = DbFactory().createDbFactory(DsgEnums.DriverPostGIS)
return abstractDb.testCredentials(host, port, database, user, password)
def connectToPostgis(self, parameters):
"""
Stablishes connection to a Postgis database.
:param parameters: (dict) a dict containing all connection parameters.
:return: (AbstractDb) returns the DSGTools database object.
"""
user, host, port, db = parameters['username'], parameters[
'host'], parameters['port'], parameters['db']
# initiate abstractDb
abstractDb = DbFactory().createDbFactory(driver=DsgEnums.DriverPostGIS)
# ignore all info except for the password
password = self.userPasswordFromHost(hostname=host, username=user)
return abstractDb if abstractDb.testCredentials(
host, port, db, user, password) else None
