from .axis import Axis

class LogBar:

""" Like a chart, but contains tracks of log messages.

"""

def __init__(self, db):

self.x_axis = Axis()

self.log_tracks = []

self.db = db

def has_track(self, name):

for track in self.log_tracks:

if track.name == name:

return True

return False

def add_track(self, name):

if not self.has_track(name):

self.log_tracks.append(LogTrack(self.db, name))

def clear_tracks(self):

self.log_tracks.clear()

class LogTrack:

""" A single log track, refering to a log message stream in the database. """

def __init__(self, db, name):

self._db = db

self.name = name

def query_summary(self, timespan=None):

return self._db.query_summary(self.name, timespan=timespan)

def query(self, selection_timespan, min_count):

# TODO: cache calls here?

return self._db.query(self.name, selection_timespan, min_count)