X-Git-Url: https://plomlompom.com/repos/%7B%7Bprefix%7D%7D/balance?a=blobdiff_plain;f=plomtask%2Fdays.py;h=d64b34b6bc69c01fd6d6a17437bbc90f357d301a;hb=9e32ae00d4435932d55695be4e757ff109c76f26;hp=4e0c4747809bc1e352e492cf619fafb41f3f0bbb;hpb=96b8f35df2ed6f7db0c7c8ffa8234e2925e8756c;p=plomtask

diff --git a/plomtask/days.py b/plomtask/days.py
index 4e0c474..d64b34b 100644
--- a/plomtask/days.py
+++ b/plomtask/days.py
@@ -1,6 +1,8 @@
 """Collecting Day and date-related items."""
 from datetime import datetime
+from sqlite3 import Row
 from plomtask.misc import HandledException
+from plomtask.db import DatabaseConnection
 
 DATE_FORMAT = '%Y-%m-%d'
 
@@ -23,13 +25,42 @@ class Day:
         if not self.datetime:
             raise HandledException(f'Given date of wrong format: {self.date}')
 
-    @property
-    def weekday(self):
-        """Return what weekday matches self.date."""
-        return self.datetime.strftime('%A')
-
     def __eq__(self, other: object):
         return isinstance(other, self.__class__) and self.date == other.date
 
     def __lt__(self, other):
         return self.date < other.date
+
+    @classmethod
+    def from_table_row(cls, row: Row):
+        """Make new Day from database row."""
+        return cls(row[0])
+
+    @classmethod
+    def all(cls, db_conn: DatabaseConnection,
+            date_range: tuple[str, str] = ('', '')):
+        """Return list of Days in database within date_range."""
+        start_date = date_range[0] if date_range[0] else '2024-01-01'
+        end_date = date_range[1] if date_range[1] else '2030-12-31'
+        days = []
+        sql = 'SELECT * FROM days WHERE date >= ? AND date <= ?'
+        for row in db_conn.exec(sql, (start_date, end_date)):
+            days += [cls.from_table_row(row)]
+        days.sort()
+        return days
+
+    @classmethod
+    def by_date(cls, db_conn: DatabaseConnection, date: str):
+        """Retrieve Day by date if in DB, else return None."""
+        for row in db_conn.exec('SELECT * FROM days WHERE date = ?', (date,)):
+            return cls.from_table_row(row)
+        return None
+
+    @property
+    def weekday(self):
+        """Return what weekday matches self.date."""
+        return self.datetime.strftime('%A')
+
+    def save(self, db_conn: DatabaseConnection):
+        """Add (or re-write) self to database."""
+        db_conn.exec('REPLACE INTO days VALUES (?)', (self.date,))