Source code for the PTG event scheduling bot
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#! /usr/bin/env python
# Copyright (c) 2017, Thierry Carrez
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import calendar
import json
import os
import datetime
class PTGDataBase():
BASE = {'tracks': [], 'slots': {}, 'now': {}, 'next': {}, 'colors': {},
'location': {}, 'scheduled': {}, 'additional': {}}
def __init__(self, filename, slots, scheduled, extrarooms):
self.filename = filename
if os.path.isfile(filename):
with open(filename, 'r') as fp:
self.data = json.load(fp)
else:
self.data = self.BASE
self.data['slots'] = slots
self.data['scheduled'] = scheduled
# Add tracks mentioned in configuration that are not in track list
for room, bookings in scheduled.items():
for time, track in bookings.items():
if track not in self.data['tracks']:
self.data['tracks'].append(track)
# Rebuild 'additional' with rooms and slots from configuration, but
# use saved data where the room/slot is preserved
old_data = self.data['additional'].copy()
self.data['additional'] = {}
for room in extrarooms.keys():
self.data['additional'][room] = {}
for slot in extrarooms[room]:
try:
self.data['additional'][room][slot] = old_data[room][slot]
except KeyError:
self.data['additional'][room][slot] = ''
# Save the data to disk
self.save()
def add_now(self, track, session):
self.data['now'][track] = session
# Update location if none manually provided yet
room = self.get_track_room(track)
if room and track not in self.data['location']:
self.add_location(track, room)
if track in self.data['next']:
del self.data['next'][track]
self.save()
def add_color(self, track, color):
self.data['colors'][track] = color
self.save()
def get_track_room(self, track):
# This simplified version returns the first room the track is
# scheduled in for the day
today = calendar.day_name[datetime.date.today().weekday()]
for room, bookings in self.data['scheduled'].items():
for btime, btrack in bookings.items():
for slot in self.data['slots'].get(today, []):
if btrack == track and btime == slot['name']:
return room
return None
def add_location(self, track, location):
self.data['location'][track] = location
self.save()
def add_next(self, track, session):
if track not in self.data['next']:
self.data['next'][track] = []
self.data['next'][track].append(session)
self.save()
def is_track_valid(self, track):
return track in self.data['tracks']
def list_tracks(self):
return sorted(self.data['tracks'])
def add_tracks(self, tracks):
for track in tracks:
if track not in self.data['tracks']:
self.data['tracks'].append(track)
self.save()
def del_tracks(self, tracks):
for track in tracks:
if track in self.data['tracks']:
self.data['tracks'].remove(track)
self.save()
def clean_tracks(self, tracks):
for track in tracks:
if track in self.data['now']:
del self.data['now'][track]
if track in self.data['next']:
del self.data['next'][track]
self.save()
def is_slot_valid_and_empty(self, room, timeslot):
try:
return not self.data['additional'][room][timeslot]
except KeyError:
return False
def book(self, track, room, timeslot):
self.data['additional'][room][timeslot] = track
self.save()
def new_day_cleanup(self):
self.data['now'] = {}
self.data['next'] = {}
self.data['location'] = {}
self.save()
def wipe(self):
self.data = self.BASE
self.save()
def save(self):
timestamp = datetime.datetime.now()
self.data['timestamp'] = '{:%Y-%m-%d %H:%M:%S}'.format(timestamp)
self.data['tracks'] = sorted(self.data['tracks'])
with open(self.filename, 'w') as fp:
json.dump(self.data, fp)