コード例 #1
0
ファイル: logic.py プロジェクト: umax/atmnav-server
def clean_providers(providers):
    u"""Get only supported providers list from query string."""

    providers_list = get_cache_value(constants.CACHE_KEY_PROVIDERS)
    if providers_list is None:
        logger.debug("retrieving providers from db")

        providers_list = [provider.id for provider in models.Provider.all()]
        set_cache_value(constants.CACHE_KEY_PROVIDERS, providers_list)

    if PROVIDER_SPEC_ALL in providers:
        return providers_list

    return list(set([prov.lower() for prov in providers if prov.lower() in providers_list]))
コード例 #2
0
ファイル: logic.py プロジェクト: umax/atmnav-server
def get_data(lat, lng, providers, filters):
    logger.debug("query filters: %s" % filters)
    filters = clean_filters(filters)
    logger.debug("cleaned filters: %s" % filters)
    if not filters:
        return []

    logger.debug("query providers: %s" % providers)
    providers = clean_providers(providers)
    logger.debug("cleaned providers: %s" % providers)
    if not providers:
        return []

    logger.debug("query object types: %s" % filters)
    object_types = get_object_types(filters)
    logger.debug("cleaned object types: %s" % object_types)

    markers = []
    for provider in providers:
        for object_type in object_types:
            cache_key = "%s:%s" % (provider, object_type)
            logger.debug('requesting data for "%s"' % cache_key)
            data = get_cache_value(cache_key)
            if data is not None:
                markers.extend(data)
            else:
                model = TYPES_TO_MODELS[object_type]
                data = [marker.to_dict() for marker in model.all().filter("provider =", provider)]
                logger.debug('retrieved %d entries for "%s" from db' % (len(data), cache_key))
                set_cache_value(cache_key, data)
                markers.extend(data)

    markers = apply_filters(markers, filters)
    logger.debug("retrieved %d filtered markers" % len(markers))

    if all([lat, lng]):
        markers = nearest(markers, lat, lng)
        logger.info("returned %d nearest markers" % len(markers))
    else:
        logger.info("returned %d markers" % len(markers))

    return markers