log = logging.getLogger(__name__)

class ResultWrapper(object):

    def __init__(self, task):

        self.task = task

    @LazyProperty

    def result(self):

        return self.task

def run_task(task, *args, **kwargs):

    if CELERY_ON:

        try:

            t = task.apply_async(args=args, kwargs=kwargs)

            log.info('running task %s:%s' % (t.task_id, task))

            return t

        except socket.error, e:

            if isinstance(e, IOError) and e.errno == 111:

                log.debug('Unable to connect to celeryd. Sync execution')

            else:

                log.error(traceback.format_exc())

        except KeyError, e:

                log.debug('Unable to connect to celeryd. Sync execution')

        except Exception, e:

            log.error(traceback.format_exc())

    log.debug('executing task %s in sync mode' % task)

    return ResultWrapper(task(*args, **kwargs))

def __get_lockkey(func, *fargs, **fkwargs):

    params = list(fargs)

    params.extend(['%s-%s' % ar for ar in fkwargs.items()])

    func_name = str(func.__name__) if hasattr(func, '__name__') else str(func)

    lockkey = 'task_%s.lock' % \

        md5(func_name + '-' + '-'.join(map(safe_str, params))).hexdigest()

    return lockkey

def locked_task(func):

    def __wrapper(func, *fargs, **fkwargs):

        lockkey = __get_lockkey(func, *fargs, **fkwargs)

        log.info('running task with lockkey %s' % lockkey)

        try:

            l = DaemonLock(file_=jn(lockkey_path, lockkey))

            ret = func(*fargs, **fkwargs)

            l.release()

            return ret

        except LockHeld:

            log.info('LockHeld')

            return 'Task with key %s already running' % lockkey

    return decorator(__wrapper, func)

def get_session():

    if CELERY_ON:

        engine = engine_from_config(config, 'sqlalchemy.db1.')

        init_model(engine)

    sa = meta.Session()

    return sa

def dbsession(func):

    def __wrapper(func, *fargs, **fkwargs):

        try:

            ret = func(*fargs, **fkwargs)

            return ret

        finally:

            if CELERY_ON and CELERY_EAGER is False:

                meta.Session.remove()

    return decorator(__wrapper, func)

from rhodecode.lib.rcmail.smtp_mailer import SmtpMailer

from rhodecode.lib.utils import add_cache, action_logger

from rhodecode.lib.compat import json, OrderedDict

from rhodecode.lib.hooks import log_create_repository

from rhodecode.model.db import Statistics, Repository, User

from rhodecode.model.scm import ScmModel

add_cache(config)

__all__ = ['whoosh_index', 'get_commits_stats',

           'reset_user_password', 'send_email']

def get_logger(cls):

    if CELERY_ON:

        try:

            log = cls.get_logger()

        except:

            log = logging.getLogger(__name__)

    else:

        log = logging.getLogger(__name__)

    return log

@task(ignore_result=True)

@locked_task

@dbsession

def whoosh_index(repo_location, full_index):

    from rhodecode.lib.indexers.daemon import WhooshIndexingDaemon

    log = get_logger(whoosh_index)

    DBS = get_session()

    index_location = config['index_dir']

    WhooshIndexingDaemon(index_location=index_location,

                         repo_location=repo_location, sa=DBS)\

                         .run(full_index=full_index)

@task(ignore_result=True)

@dbsession

def get_commits_stats(repo_name, ts_min_y, ts_max_y):

    log = get_logger(get_commits_stats)

    DBS = get_session()

    lockkey = __get_lockkey('get_commits_stats', repo_name, ts_min_y,

                            ts_max_y)

    log.info('running task with lockkey %s' % lockkey)

    try:

        lock = l = DaemonLock(file_=jn(lockkey_path, lockkey))

        # for js data compatibility cleans the key for person from '

        akc = lambda k: person(k).replace('"', "")

        co_day_auth_aggr = {}

        commits_by_day_aggregate = {}

        repo = Repository.get_by_repo_name(repo_name)

        if repo is None:

            return True

        repo = repo.scm_instance

        repo_size = repo.count()

        # return if repo have no revisions

        if repo_size < 1:

            lock.release()

            return True

        skip_date_limit = True

        parse_limit = int(config['app_conf'].get('commit_parse_limit'))

        last_rev = None

        last_cs = None

        timegetter = itemgetter('time')

        dbrepo = DBS.query(Repository)\

            .filter(Repository.repo_name == repo_name).scalar()

        cur_stats = DBS.query(Statistics)\

            .filter(Statistics.repository == dbrepo).scalar()

        if cur_stats is not None:

            last_rev = cur_stats.stat_on_revision

        if last_rev == repo.get_changeset().revision and repo_size > 1:

            # pass silently without any work if we're not on first revision or

            # current state of parsing revision(from db marker) is the

            # last revision

            lock.release()

            return True

        if cur_stats:

            commits_by_day_aggregate = OrderedDict(json.loads(

                                        cur_stats.commit_activity_combined))

            co_day_auth_aggr = json.loads(cur_stats.commit_activity)