X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/decks/%7B%7Bdeck_id%7D%7D/cards/%7B%7Bcard_id%7D%7D/static/gitweb.css?a=blobdiff_plain;f=plomtask%2Fdays.py;h=f1920b4d1343bbb486cd537b2c77102e22756a37;hb=e51477ebea9fb701d88de85088b2fda1247c73a2;hp=4e0c4747809bc1e352e492cf619fafb41f3f0bbb;hpb=96b8f35df2ed6f7db0c7c8ffa8234e2925e8756c;p=plomtask

diff --git a/plomtask/days.py b/plomtask/days.py
index 4e0c474..f1920b4 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'
 
@@ -23,6 +25,35 @@ class Day:
         if not self.datetime:
             raise HandledException(f'Given date of wrong format: {self.date}')
 
+    def save(self, db_conn: DatabaseConnection):
+        """Add (or re-write) self to database."""
+        db_conn.exec('REPLACE INTO days VALUES (?)', (self.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."""