|
| 1 | +import calendar |
| 2 | +import itertools |
| 3 | +import locale |
| 4 | +from datetime import date, datetime, timedelta |
| 5 | +from typing import Dict, Iterator, List, Tuple |
| 6 | + |
| 7 | +import pytz |
| 8 | + |
| 9 | +MONTH_BLOCK: int = 6 |
| 10 | + |
| 11 | +locale.setlocale(locale.LC_TIME, ("en", "UTF-8")) |
| 12 | + |
| 13 | + |
| 14 | +class Day: |
| 15 | + """A Day class. |
| 16 | +
|
| 17 | + Args: |
| 18 | + date (datetime): A single datetime date. |
| 19 | + Arguments: |
| 20 | + date (datetime): A single datetime date. |
| 21 | + sday (str): The day name. |
| 22 | + dailyevents (List): List of tuples represent daily event information. |
| 23 | + events (List): List of tuples represent time event name. |
| 24 | + EX: [("09AP", "Meeting with yam")] |
| 25 | + css (Dict): All css classes represent day. |
| 26 | + """ |
| 27 | + |
| 28 | + def __init__(self, date: datetime): |
| 29 | + self.date: datetime = date |
| 30 | + self.sday: str = self.date.strftime("%A") |
| 31 | + self.dailyevents: List[Tuple] = [] |
| 32 | + self.events: List[Tuple] = [] |
| 33 | + self.css: Dict[str, str] = { |
| 34 | + 'day_container': 'day', |
| 35 | + 'date': 'day-number', |
| 36 | + 'daily_event': 'month-event', |
| 37 | + 'daily_event_front': ' '.join([ |
| 38 | + 'daily', |
| 39 | + 'front', |
| 40 | + 'background-warmyellow' |
| 41 | + ]), |
| 42 | + 'daily_event_back': ' '.join([ |
| 43 | + 'daily', |
| 44 | + 'back', |
| 45 | + 'text-darkblue', |
| 46 | + 'background-lightgray' |
| 47 | + ]), |
| 48 | + 'event': 'event', |
| 49 | + } |
| 50 | + |
| 51 | + def __str__(self) -> str: |
| 52 | + return self.date.strftime("%d") |
| 53 | + |
| 54 | + def display(self) -> str: |
| 55 | + """Returns day date inf the format of 00 MONTH 00""" |
| 56 | + return self.date.strftime("%d %B %y").upper() |
| 57 | + |
| 58 | + def set_id(self) -> str: |
| 59 | + """Returns day date inf the format of 00-mon-0000""" |
| 60 | + return self.date.strftime("%d-%b-%Y") |
| 61 | + |
| 62 | + @classmethod |
| 63 | + def get_user_local_time(cls) -> datetime: |
| 64 | + greenwich = pytz.timezone('GB') |
| 65 | + return greenwich.localize(datetime.now()) |
| 66 | + |
| 67 | + @classmethod |
| 68 | + def convert_str_to_date(cls, date_string: str) -> datetime: |
| 69 | + return datetime.strptime(date_string, '%d-%b-%Y') |
| 70 | + |
| 71 | + @classmethod |
| 72 | + def is_weekend(cls, date: date) -> bool: |
| 73 | + """Returns true if this day is represent a weekend.""" |
| 74 | + return date.strftime("%A") in Week.DAYS_OF_THE_WEEK[-2:] |
| 75 | + |
| 76 | + |
| 77 | +class DayWeekend(Day): |
| 78 | + def __init__(self, date: datetime): |
| 79 | + super().__init__(date) |
| 80 | + self.css = { |
| 81 | + 'day_container': 'day ', |
| 82 | + 'date': ' '.join(['day-number', 'text-gray']), |
| 83 | + 'daily_event': 'month-event', |
| 84 | + 'daily_event_front': ' '.join([ |
| 85 | + 'daily', |
| 86 | + 'front', |
| 87 | + 'background-warmyellow' |
| 88 | + ]), |
| 89 | + 'daily_event_back': ' '.join([ |
| 90 | + 'daily', |
| 91 | + 'back', |
| 92 | + 'text-darkblue', |
| 93 | + 'background-lightgray' |
| 94 | + ]), |
| 95 | + 'event': 'event', |
| 96 | + } |
| 97 | + |
| 98 | + |
| 99 | +class Today(Day): |
| 100 | + def __init__(self, date: datetime): |
| 101 | + super().__init__(date) |
| 102 | + self.css = { |
| 103 | + 'day_container': ' '.join([ |
| 104 | + 'day', |
| 105 | + 'text-darkblue', |
| 106 | + 'background-yellow' |
| 107 | + ]), |
| 108 | + 'date': 'day-number', |
| 109 | + 'daily_event': 'month-event', |
| 110 | + 'daily_event_front': ' '.join([ |
| 111 | + 'daily', |
| 112 | + 'front', |
| 113 | + 'text-lightgray', |
| 114 | + 'background-darkblue' |
| 115 | + ]), |
| 116 | + 'daily_event_back': ' '.join([ |
| 117 | + 'daily', |
| 118 | + 'back', |
| 119 | + 'text-darkblue', |
| 120 | + 'background-lightgray' |
| 121 | + ]), |
| 122 | + 'event': 'event', |
| 123 | + } |
| 124 | + |
| 125 | + |
| 126 | +class FirstDayMonth(Day): |
| 127 | + def __init__(self, date: datetime): |
| 128 | + super().__init__(date) |
| 129 | + self.css = { |
| 130 | + 'day_container': ' '.join([ |
| 131 | + 'day', |
| 132 | + 'text-darkblue', |
| 133 | + 'background-lightgray' |
| 134 | + ]), |
| 135 | + 'date': 'day-number', |
| 136 | + 'daily_event': 'month-event', |
| 137 | + 'daily_event_front': ' '.join([ |
| 138 | + 'daily front', |
| 139 | + 'text-lightgray', |
| 140 | + 'background-red' |
| 141 | + ]), |
| 142 | + 'daily_event_back': ' '.join([ |
| 143 | + 'daily', |
| 144 | + 'back', |
| 145 | + 'text-darkblue', |
| 146 | + 'background-lightgray' |
| 147 | + ]), |
| 148 | + 'event': 'event', |
| 149 | + } |
| 150 | + |
| 151 | + def __str__(self) -> str: |
| 152 | + return self.date.strftime("%d %b %y").upper() |
| 153 | + |
| 154 | + |
| 155 | +class Week: |
| 156 | + WEEK_DAYS: int = 7 |
| 157 | + DAYS_OF_THE_WEEK: List[str] = calendar.day_name |
| 158 | + |
| 159 | + def __init__(self, days: List[Day]): |
| 160 | + self.days: List[Day] = days |
| 161 | + |
| 162 | + |
| 163 | +def create_day(day: datetime) -> Day: |
| 164 | + """Return the currect day object according to given date.""" |
| 165 | + if day == date.today(): |
| 166 | + return Today(day) |
| 167 | + if int(day.day) == 1: |
| 168 | + return FirstDayMonth(day) |
| 169 | + if Day.is_weekend(day): |
| 170 | + return DayWeekend(day) |
| 171 | + return Day(day) |
| 172 | + |
| 173 | + |
| 174 | +def get_next_date(date: datetime) -> Iterator[Day]: |
| 175 | + """Generate date objects from a starting given date.""" |
| 176 | + yield from ( |
| 177 | + create_day(date + timedelta(days=i)) |
| 178 | + for i in itertools.count(start=1) |
| 179 | + ) |
| 180 | + |
| 181 | + |
| 182 | +def get_date_before_n_days(date: datetime, n: int) -> datetime: |
| 183 | + """Returns the date before n days.""" |
| 184 | + return date - timedelta(days=n) |
| 185 | + |
| 186 | + |
| 187 | +def get_first_day_month_block(date: datetime) -> datetime: |
| 188 | + """Returns the first date in a month block of given date.""" |
| 189 | + return list(calendar.Calendar().itermonthdates(date.year, date.month))[0] |
| 190 | + |
| 191 | + |
| 192 | +def get_n_days(date: datetime, n: int) -> Iterator[Day]: |
| 193 | + """Generate n dates from a starting given date.""" |
| 194 | + next_date_gen = get_next_date(date) |
| 195 | + yield from itertools.islice(next_date_gen, n) |
| 196 | + |
| 197 | + |
| 198 | +def create_weeks( |
| 199 | + days: Iterator[Day], |
| 200 | + length: int = Week.WEEK_DAYS |
| 201 | +) -> List[Week]: |
| 202 | + """Return lists of Weeks objects.""" |
| 203 | + ndays: List[Day] = list(days) |
| 204 | + num_days: int = len(ndays) |
| 205 | + return [Week(ndays[i:i + length]) for i in range(0, num_days, length)] |
| 206 | + |
| 207 | + |
| 208 | +def get_month_block(day: Day, n: int = MONTH_BLOCK) -> List[Week]: |
| 209 | + """Returns a 2D list represent a n days calendar from current month.""" |
| 210 | + current = get_first_day_month_block(day.date) - timedelta(days=1) |
| 211 | + num_of_days = Week.WEEK_DAYS * n |
| 212 | + return create_weeks(get_n_days(current, num_of_days)) |
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