Source code for the PTG event scheduling bot
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# 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
from collections import OrderedDict
import copy
import datetime
import json
import os
import random
import requests
class PTGDataBase():
BASE = {'tracks': [],
'slots': OrderedDict(),
'now': OrderedDict(),
'next': OrderedDict(),
'colors': OrderedDict(),
'location': OrderedDict(),
'schedule': OrderedDict(),
'voice': 0,
'motd': {'message': '', 'level': 'info'},
'links': OrderedDict(),
# Keys for last_check_in are lower-cased nicks;
# values are in the same format as BASE_CHECK_IN
'last_check_in': OrderedDict(),
'subscriptions': OrderedDict()}
BASE_CHECK_IN = {
'nick': None, # original case for use in output
'location': None, 'in': None, 'out': None
}
def __init__(self, config):
self.filename = config['db_filename']
if os.path.isfile(self.filename):
with open(self.filename, 'r') as fp:
self.data = json.load(fp, object_pairs_hook=OrderedDict)
else:
self.data = copy.deepcopy(self.BASE)
self.save()
def import_json(self, url):
# Update the DB with the JSON data found at URL
self.data.update(requests.get(url).json(object_pairs_hook=OrderedDict))
# Add tracks mentioned in configuration that are not in track list
for room, bookings in self.data['schedule'].items():
for time, track in bookings.items():
if track not in self.data['tracks']:
self.add_tracks([track])
self.colorize()
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 colorize(self):
for track in self.data['tracks']:
if track not in self.data['colors']:
self.add_color(track, random.choice([
'#596468',
'#9ea8ad',
'#b57506',
'#f8ac29',
'#5b731a',
'#9dc62d',
'#156489',
'#27a3dd',
'#2a6d3c',
'#3fa45b',
'#930a0a',
'#dc0d0e',
]))
def get_track_room(self, track):
# This simplified version returns the first room the track is
# scheduled in for the day. If the event does not run on this
# day, pick the first day.
today = calendar.day_name[datetime.date.today().weekday()]
if today not in self.data['slots']:
today = next(iter(self.data['slots']))
for room, bookings in self.data['schedule'].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 get_location(self, track):
return self.data['location'].get(track)
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.colorize()
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['schedule'][room][timeslot]
except KeyError:
return False
def is_slot_booked_for_track(self, track, room, timeslot):
try:
return self.data['schedule'][room][timeslot] == track
except KeyError:
return False
def book(self, track, room, timeslot):
self.data['schedule'][room][timeslot] = track
self.save()
def unbook(self, room, timeslot):
if room in self.data['schedule'].keys():
if timeslot in self.data['schedule'][room].keys():
self.data['schedule'][room][timeslot] = ""
self.save()
def is_voice_required(self):
return self.data['voice'] == 1
def require_voice(self):
self.data['voice'] = 1
self.save()
def allow_everyone(self):
self.data['voice'] = 0
self.save()
def new_day_cleanup(self):
self.data['now'] = {}
self.data['next'] = {}
self.data['location'] = {}
self.clean_motd()
def empty(self):
self.data = copy.deepcopy(self.BASE)
self.save()
def motd(self, level, message):
if level in ['info', 'success', 'warning', 'danger']:
self.data['motd'] = {'level': level, 'message': message}
self.save()
def clean_motd(self):
self.data['motd'] = {'level': '', 'message': ''}
self.save()
def _blank_check_in(self):
# No need for a copy here
return OrderedDict(self.BASE_CHECK_IN)
def get_last_check_in(self, nick):
if 'last_check_in' not in self.data:
return self._blank_check_in()
return self.data['last_check_in'].get(
nick.lower(), self._blank_check_in())
def check_in(self, nick, location):
if 'last_check_in' not in self.data:
self.data['last_check_in'] = OrderedDict()
self.data['last_check_in'][nick.lower()] = {
'nick': nick,
'location': location,
'in': self.serialise_timestamp(datetime.datetime.now()),
'out': None # no check-out yet
}
self.save()
# Returns location if successfully checked out, otherwise None
def check_out(self, nick):
if 'last_check_in' not in self.data:
self.data['last_check_in'] = OrderedDict()
if nick.lower() not in self.data['last_check_in']:
return None
self.data['last_check_in'][nick.lower()]['out'] = \
self.serialise_timestamp(datetime.datetime.now())
self.save()
return self.data['last_check_in'][nick]['location']
def get_subscription(self, nick):
if 'subscriptions' not in self.data:
return None
return self.data['subscriptions'].get(nick)
def get_subscriptions(self):
if 'subscriptions' not in self.data:
return {}
return self.data['subscriptions']
def set_subscription(self, nick, regexp):
if 'subscriptions' not in self.data:
self.data['subscriptions'] = OrderedDict()
self.data['subscriptions'][nick] = regexp
self.save()
def save(self):
timestamp = datetime.datetime.now()
self.data['timestamp'] = self.serialise_timestamp(timestamp)
self.data['tracks'] = sorted(self.data['tracks'])
with open(self.filename, 'w') as fp:
json.dump(self.data, fp)
def serialise_timestamp(self, timestamp):
return '{:%Y-%m-%d %H:%M:%S}'.format(timestamp)