conquerablestationlist.py

# ------------------------------------------------------------------------------
# Copyright (c) 2010-2013, EVEthing team
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
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#     Redistributions of source code must retain the above copyright notice, this
#       list of conditions and the following disclaimer.
#     Redistributions in binary form must reproduce the above copyright notice,
#       this list of conditions and the following disclaimer in the documentation
#       and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
# OF SUCH DAMAGE.
# ------------------------------------------------------------------------------

from .apitask import APITask

from thing.models import Station

# ---------------------------------------------------------------------------

class ConquerableStationList(APITask):
    name = 'thing.conquerable_station_list'

    def run(self, url, taskstate_id, apikey_id, zero):
        if self.init(taskstate_id, apikey_id) is False:
            return

        # Fetch the API data
        if self.fetch_api(url, {}, use_auth=False) is False or self.root is None:
            return

        # Build a stationID:row dictionary
        bulk_data = {}
        for row in self.root.findall('result/rowset/row'):
            bulk_data[int(row.attrib['stationID'])] = row

        # Bulk retrieve all of those stations that exist
        station_map = Station.objects.in_bulk(bulk_data.keys())

        new = []
        for id, row in bulk_data.items():
            # If the station already exists...
            station = station_map.get(id)

            # Station does not exist, make a new one
            if station is None:
                s = Station(
                    id=id,
                    name=row.attrib['stationName'],
                    system_id=row.attrib['solarSystemID'],
                )
                s._make_shorter_name()
                new.append(s)

            # Station exists and name has changed, update it
            elif station.name != row.attrib['stationName']:
                station.name = row.attrib['stationName']
                station.save()

        # Create any new stations
        if new:
            Station.objects.bulk_create(new)

        return True

# ---------------------------------------------------------------------------