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Initialize Days with links to their Todos as early as possible.
authorChristian Heller <c.heller@plomlompom.de>
Fri, 14 Jun 2024 13:17:19 +0000 (15:17 +0200)
committerChristian Heller <c.heller@plomlompom.de>
Fri, 14 Jun 2024 13:17:19 +0000 (15:17 +0200)
plomtask/days.py
plomtask/db.py
plomtask/http.py

index 0815b9bde6e515381f644fd33a120b880b533abb..2531a011f1875a4819337adcd7e59c7a08355af4 100644 (file)
@@ -1,6 +1,9 @@
 """Collecting Day and date-related items."""
 from __future__ import annotations
+from typing import Any
+from sqlite3 import Row
 from datetime import datetime, timedelta
+from plomtask.exceptions import HandledException
 from plomtask.db import DatabaseConnection, BaseModel
 from plomtask.todos import Todo
 from plomtask.dating import (DATE_FORMAT, valid_date)
@@ -11,16 +14,29 @@ class Day(BaseModel[str]):
     table_name = 'days'
     to_save = ['comment']
 
-    def __init__(self, date: str, comment: str = '') -> None:
+    def __init__(self,
+                 date: str,
+                 comment: str = '',
+                 init_empty_todo_list: bool = False
+                 ) -> None:
         id_ = valid_date(date)
         super().__init__(id_)
         self.datetime = datetime.strptime(self.date, DATE_FORMAT)
         self.comment = comment
-        self.calendarized_todos: list[Todo] = []
+        self.todos: list[Todo] | None = [] if init_empty_todo_list else None
 
     def __lt__(self, other: Day) -> bool:
         return self.date < other.date
 
+    @classmethod
+    def from_table_row(cls, db_conn: DatabaseConnection, row: Row | list[Any]
+                       ) -> Day:
+        """Make from DB row, with linked Todos."""
+        day = super().from_table_row(db_conn, row)
+        assert isinstance(day.id_, str)
+        day.todos = Todo.by_date(db_conn, day.id_)
+        return day
+
     @classmethod
     def by_date_range_filled(cls, db_conn: DatabaseConnection,
                              start: str, end: str) -> list[Day]:
@@ -37,16 +53,16 @@ class Day(BaseModel[str]):
             return days
         days.sort()
         if start_date not in [d.date for d in days]:
-            days[:] = [Day(start_date)] + days
+            days[:] = [Day(start_date, init_empty_todo_list=True)] + days
         if end_date not in [d.date for d in days]:
-            days += [Day(end_date)]
+            days += [Day(end_date, init_empty_todo_list=True)]
         if len(days) > 1:
             gapless_days = []
             for i, day in enumerate(days):
                 gapless_days += [day]
                 if i < len(days) - 1:
                     while day.next_date != days[i+1].date:
-                        day = Day(day.next_date)
+                        day = Day(day.next_date, init_empty_todo_list=True)
                         gapless_days += [day]
             days[:] = gapless_days
         return days
@@ -85,7 +101,12 @@ class Day(BaseModel[str]):
         next_datetime = self.datetime + timedelta(days=1)
         return next_datetime.strftime(DATE_FORMAT)
 
-    def collect_calendarized_todos(self, db_conn: DatabaseConnection) -> None:
-        """Fill self.calendarized_todos."""
-        self.calendarized_todos = [t for t in Todo.by_date(db_conn, self.date)
-                                   if t.calendarize]
+    @property
+    def calendarized_todos(self) -> list[Todo]:
+        """Return only those of self.todos that have .calendarize set."""
+        if self.todos is None:
+            msg = 'Trying to return from un-initialized Day.todos.'
+            raise HandledException(msg)
+        # pylint: disable=not-an-iterable
+        # (after the above is-None test, self.todos _should_ be iterable!)
+        return [t for t in self.todos if t.calendarize]
index 2ea7421feec578dab3fb8ba9e1eecf547eb6a36c..bd609685096b9d2dbc3dd0b0ea4243ec47904058 100644 (file)
@@ -368,7 +368,7 @@ class BaseModel(Generic[BaseModelId]):
                                   date_col: str = 'day'
                                   ) -> tuple[list[BaseModelInstance], str,
                                              str]:
-        """Return list of Days in database within (open) date_range interval.
+        """Return list of items in database within (open) date_range interval.
 
         If no range values provided, defaults them to 'yesterday' and
         'tomorrow'. Knows to properly interpret these and 'today' as value.
index 5ad3dd43332e3106d66a0327158d4aebcf690bdb..91db32601c24c91c49db75df4f9ca2b05fd9b944 100644 (file)
@@ -191,8 +191,6 @@ class TaskHandler(BaseHTTPRequestHandler):
         ret = Day.by_date_range_with_limits(self.conn, (start, end), 'id')
         days, start, end = ret
         days = Day.with_filled_gaps(days, start, end)
-        for day in days:
-            day.collect_calendarized_todos(self.conn)
         today = date_in_n_days(0)
         return {'start': start, 'end': end, 'days': days, 'today': today}