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   1 """Collecting Day and date-related items."""
   2 from __future__ import annotations
   3 from typing import Any
   4 from sqlite3 import Row
   5 from datetime import datetime, timedelta
   6 from plomtask.db import DatabaseConnection, BaseModel
   7 from plomtask.todos import Todo
   8 from plomtask.dating import (DATE_FORMAT, valid_date)
   9
  10
  11 class Day(BaseModel[str]):
  12     """Individual days defined by their dates."""
  13     table_name = 'days'
  14     to_save = ['comment']
  15     can_create_by_id = True
  16
  17     def __init__(self, date: str, comment: str = '') -> None:
  18         id_ = valid_date(date)
  19         super().__init__(id_)
  20         self.datetime = datetime.strptime(self.date, DATE_FORMAT)
  21         self.comment = comment
  22         self.todos: list[Todo] = []
  23
  24     def __lt__(self, other: Day) -> bool:
  25         return self.date < other.date
  26
  27     @property
  28     def as_dict(self) -> dict[str, object]:
  29         """Return self as (json.dumps-coompatible) dict."""
  30         d = super().as_dict
  31         d['todos'] = [t.as_dict for t in self.todos]
  32         return d
  33
  34     @classmethod
  35     def from_table_row(cls, db_conn: DatabaseConnection, row: Row | list[Any]
  36                        ) -> Day:
  37         """Make from DB row, with linked Todos."""
  38         day = super().from_table_row(db_conn, row)
  39         assert isinstance(day.id_, str)
  40         day.todos = Todo.by_date(db_conn, day.id_)
  41         return day
  42
  43     @classmethod
  44     def by_id(cls, db_conn: DatabaseConnection, id_: str) -> Day:
  45         """Extend BaseModel.by_id checking for new/lost .todos."""
  46         day = super().by_id(db_conn, id_)
  47         if day.id_ in Todo.days_to_update:
  48             Todo.days_to_update.remove(day.id_)
  49             day.todos = Todo.by_date(db_conn, day.id_)
  50         return day
  51
  52     @classmethod
  53     def by_date_range_filled(cls, db_conn: DatabaseConnection,
  54                              start: str, end: str) -> list[Day]:
  55         """Return days existing and non-existing between dates start/end."""
  56         ret = cls.by_date_range_with_limits(db_conn, (start, end), 'id')
  57         days, start_date, end_date = ret
  58         return cls.with_filled_gaps(days, start_date, end_date)
  59
  60     @classmethod
  61     def with_filled_gaps(cls, days: list[Day], start_date: str, end_date: str
  62                          ) -> list[Day]:
  63         """In days, fill with (un-saved) Days gaps between start/end_date."""
  64         if start_date > end_date:
  65             return days
  66         days.sort()
  67         if start_date not in [d.date for d in days]:
  68             days[:] = [Day(start_date)] + days
  69         if end_date not in [d.date for d in days]:
  70             days += [Day(end_date)]
  71         if len(days) > 1:
  72             gapless_days = []
  73             for i, day in enumerate(days):
  74                 gapless_days += [day]
  75                 if i < len(days) - 1:
  76                     while day.next_date != days[i+1].date:
  77                         day = Day(day.next_date)
  78                         gapless_days += [day]
  79             days[:] = gapless_days
  80         return days
  81
  82     @property
  83     def date(self) -> str:
  84         """Return self.id_ under the assumption it's a date string."""
  85         assert isinstance(self.id_, str)
  86         return self.id_
  87
  88     @property
  89     def first_of_month(self) -> bool:
  90         """Return what month self.date is part of."""
  91         assert isinstance(self.id_, str)
  92         return self.id_[-2:] == '01'
  93
  94     @property
  95     def month_name(self) -> str:
  96         """Return what month self.date is part of."""
  97         return self.datetime.strftime('%B')
  98
  99     @property
 100     def weekday(self) -> str:
 101         """Return what weekday matches self.date."""
 102         return self.datetime.strftime('%A')
 103
 104     @property
 105     def prev_date(self) -> str:
 106         """Return date preceding date of this Day."""
 107         prev_datetime = self.datetime - timedelta(days=1)
 108         return prev_datetime.strftime(DATE_FORMAT)
 109
 110     @property
 111     def next_date(self) -> str:
 112         """Return date succeeding date of this Day."""
 113         next_datetime = self.datetime + timedelta(days=1)
 114         return next_datetime.strftime(DATE_FORMAT)
 115
 116     @property
 117     def calendarized_todos(self) -> list[Todo]:
 118         """Return only those of self.todos that have .calendarize set."""
 119         return [t for t in self.todos if t.calendarize]
 120
 121     @property
 122     def total_effort(self) -> float:
 123         """"Sum all .performed_effort of self.todos."""
 124         total_effort = 0.0
 125         for todo in self.todos:
 126             total_effort += todo.performed_effort
 127         return total_effort