didier/data/schedule.py

354 lines
11 KiB
Python

from abc import ABC, abstractmethod
from dacite import from_dict
from dataclasses import dataclass, field
from datetime import datetime, timedelta
from discord import Colour, Embed
from enums.platform import Platform, get_platform
from functions.timeFormatters import fromArray, intToWeekday, timeFromInt
import json
from typing import Dict, Optional, List
@dataclass
class Holiday:
start_date: List[int]
end_date: List[int]
start_date_parsed: datetime = field(init=False)
end_date_parsed: datetime = field(init=False)
duration: timedelta = field(init=False)
def __post_init__(self):
self.start_date_parsed = fromArray(self.start_date)
self.end_date_parsed = fromArray(self.end_date)
self.duration = self.end_date_parsed - self.start_date_parsed
def has_passed(self, current_day: datetime) -> bool:
"""
Check if a holiday has passed already
"""
return current_day > self.end_date_parsed
@dataclass
class Course:
name: str
def __str__(self):
return self.name
@dataclass
class Location:
campus: str
building: str
room: str
def __str__(self):
return f"{self.campus} {self.building} {self.room}"
@dataclass
class Timeslot:
course: Course
start_time: int
end_time: int
canceled: bool = False
is_special: bool = False
location: Optional[Location] = None
online_link: Optional[str] = None
online_platform: Optional[Platform] = None
def __str__(self):
time_str = f"{timeFromInt(self.start_time)} - {timeFromInt(self.end_time)}"
return f"{time_str}: {self.course} {self._get_location_str()}"
def get_link_str(self) -> Optional[str]:
if self.online_link is None or self.online_platform is None:
return None
return f"[{self.online_platform.value.get('name')}]({self.online_link})"
def _get_location_str(self, offline_prefix="in", online_prefix="**online** @") -> str:
return f"{offline_prefix} {self.location}" if self.location is not None \
else f"{online_prefix} **{self.get_link_str()}**"
def get_special_fmt_str(self) -> Optional[str]:
if not self.canceled and not self.is_special:
return None
# This class was canceled
if self.canceled:
return f"{self.course} van {timeFromInt(self.start_time)} gaat vandaag **niet** door."
# Something else is wrong
return f"{self.course} gaat vandaag door van **{timeFromInt(self.start_time)}** tot " \
f"**{timeFromInt(self.end_time)}** {self._get_location_str(online_prefix='op')}"
@staticmethod
def from_slot_dict(slot_dict: Dict, course_dict: Dict, current_week: int):
"""
Construct a Timeslot from a dict of data
"""
special = False
if "weeks" in slot_dict and str(current_week) in slot_dict["weeks"]:
# If at least one thing was changed, this slot requires extra attention
special = True
# Overwrite the normal data with the customized entries
slot_dict.update(slot_dict["weeks"][str(current_week)])
# Only happens online, not on-campus
online_only = slot_dict["weeks"][str(current_week)].get("online_only", False)
if online_only:
slot_dict.pop("location")
course = Course(course_dict["course"])
start_time = slot_dict["time"]["start"]
end_time = slot_dict["time"]["end"]
# Location can be none if a class is online-only
location = from_dict(Location, slot_dict["location"]) if "location" in slot_dict else None
# Find platform & link if this class is online
online_platform: Platform = get_platform(slot_dict.get("online", None))
# Custom online link for this day if it exists, else the general link for this platform
online_link = \
slot_dict["online_link"] if "online_link" in slot_dict else \
course_dict["online_links"][online_platform.value["rep"]] \
if online_platform is not None \
else None
return Timeslot(course=course, start_time=start_time, end_time=end_time, canceled="canceled" in slot_dict,
is_special=special, location=location, online_platform=online_platform, online_link=online_link)
@dataclass
class Schedule:
day: datetime
year: int
semester: int
targeted_weekday: bool = False
week: int = field(init=False)
schedule_dict: Dict = field(init=False)
start_date: datetime = field(init=False)
end_date: datetime = field(init=False)
semester_over: bool = False
holiday_offset: int = 0
current_holiday: Optional[Holiday] = None
weekday_str: str = field(init=False)
def __post_init__(self):
self.schedule_dict: Dict = self.load_schedule_file()
self.start_date = fromArray(self.schedule_dict["semester_start"])
self.end_date = fromArray(self.schedule_dict["semester_end"])
# Semester is over
if self.end_date < self.day:
self.semester_over = True
return
self.check_holidays()
self.week = self.get_week()
# # Store the target weekday (in case it exists) so we can ask for the next
# # friday after the holiday, for example
# target_weekday = -1 if not self.targeted_weekday else self.day.weekday()
#
# # Show schedule for after holidays
# if self.current_holiday is not None:
# # Set day to day after holiday
# self.day = self.current_holiday.end_date_parsed + timedelta(days=1)
#
# # Find the next [DAY] after the holidays
# if target_weekday != -1:
# self.day = forward_to_weekday(self.day, target_weekday)
self.weekday_str = intToWeekday(self.day.weekday())
def check_holidays(self):
"""
Do all holiday-related stuff here to avoid multiple loops
"""
for hol_entry in self.schedule_dict.get("holidays", []):
holiday: Holiday = from_dict(Holiday, hol_entry)
# Hasn't happened yet, don't care
if holiday.start_date_parsed > self.day:
continue
# In the past: add the offset
if holiday.has_passed(self.day):
# Add 1 because Monday-Sunday is only 6 days, but should be counted as a week
self.holiday_offset += (holiday.duration.days + 1) // 7
elif holiday.start_date_parsed <= self.day <= holiday.end_date_parsed:
self.current_holiday = holiday
def load_schedule_file(self) -> Dict:
"""
Load the schedule from the JSON file
"""
with open(f"files/schedules/{self.year}{self.semester}.json", "r") as fp:
return json.load(fp)
def get_week(self) -> int:
"""
Get the current week of the semester
"""
diff: timedelta = self.day - self.start_date
# Hasn't started yet, show week 1
if diff.days < 0:
return 1
# Add +1 at the end because week 1 would be 0 as it's not over yet
# Every week would be one behind
# Also subtract all passed holidays
return (diff.days // 7) - self.holiday_offset + 1
def find_slots_for_course(self, course_dict: Dict) -> List[Timeslot]:
"""
Create time timeslots for a course
"""
slots_today = []
# First create a list of all slots of today
for slot in course_dict["slots"]:
# This slot is for a different day
if slot["time"]["day"] != self.weekday_str.lower():
continue
slots_today.append(slot)
# Create Timeslots
slots_today = list(map(lambda x: Timeslot.from_slot_dict(x, course_dict, self.week), slots_today))
return slots_today
def create_schedule(self):
"""
Create the schedule for the current week
"""
if self.current_holiday is not None:
return HolidayEmbed(self)
slots: List[List[Timeslot]] = [self.find_slots_for_course(course) for course in self.schedule_dict["schedule"]]
slots_flattened = [item for sublist in slots for item in sublist]
# Sort by timestamp
slots_flattened.sort(key=lambda x: x.start_time)
not_canceled = list(filter(lambda x: not x.canceled, slots_flattened))
# All classes are canceled
if not not_canceled:
return NoClassEmbed(self, slots_flattened)
return ScheduleEmbed(self, slots_flattened, not_canceled)
@dataclass
class LesEmbed(ABC):
"""
Abstract base class for Les embeds
"""
schedule: Schedule
def get_author(self) -> str:
level = "Bachelor" if self.schedule.year < 4 else "Master"
year = self.schedule.year if self.schedule.year < 4 else self.schedule.year - 3
suffix = "ste" if self.schedule.year == 1 else "de"
return f"Lessenrooster voor {year}{suffix} {level}"
def get_title(self) -> str:
date = self.schedule.day.strftime("%d/%m/%Y")
return f"{self.schedule.weekday_str} {date}"
def get_footer(self) -> str:
return f"Semester {self.schedule.semester} | Lesweek {self.schedule.week}"
def get_extras(self) -> str:
return ""
def get_online_links(self) -> str:
return ""
@abstractmethod
def get_description(self) -> str:
pass
def to_embed(self) -> Embed:
embed = Embed(title=self.get_title(), colour=Colour.blue())
embed.set_author(name=self.get_author())
embed.set_footer(text=self.get_footer())
embed.description = self.get_description()
# Add links if there are any
links = self.get_online_links()
if links:
embed.add_field(name="Online links", value=links, inline=False)
# Add extras if there are any
extras = self.get_extras()
if extras:
embed.add_field(name="Extra", value=extras, inline=False)
return embed
@dataclass
class HolidayEmbed(LesEmbed):
"""
Class for a Les embed sent during holidays
"""
def get_description(self) -> str:
date = self.schedule.current_holiday.end_date_parsed.strftime("%d/%m/%Y")
return f"Het is momenteel **vakantie** tot en met **{date}**."
@dataclass
class NoClassEmbed(LesEmbed):
"""
Class for a Les embed when all classes are canceled or there are none at all
"""
slots: List[Timeslot]
def get_description(self) -> str:
return "Geen les"
def get_extras(self) -> str:
canceled = list(filter(lambda x: x.canceled, self.slots))
if not canceled:
return ""
return "\n".join(list(entry.get_special_fmt_str() for entry in canceled))
@dataclass
class ScheduleEmbed(LesEmbed):
"""
Class for a successful schedule
"""
slots: List[Timeslot]
slots_not_canceled: List[Timeslot]
def get_description(self) -> str:
return "\n".join(list(f"{entry}" for entry in self.slots_not_canceled))
def get_extras(self) -> str:
special = list(filter(lambda x: x.is_special or x.canceled, self.slots))
if not special:
return ""
return "\n".join(list(entry.get_special_fmt_str() for entry in special))
def get_online_links(self) -> str:
has_link = list(filter(lambda x: x.online_link is not None, self.slots))
if not has_link:
return ""
return "\n".join(list(f"{entry.course}: **{entry.get_link_str()}**" for entry in has_link))