module for Materialistic app

my/materialistic.py

@@ -0,0 +1,51 @@
+"""
+Module for Materialistic app for Hackernews
+https://play.google.com/store/apps/details?id=io.github.hidroh.materialistic
+"""
+
+from datetime import datetime
+from typing import Any, Dict, Iterator, NamedTuple
+
+import pytz
+import dataset # type: ignore
+
+from mycfg import paths
+
+
+Row = Dict[str, Any]
+
+class Saved(NamedTuple):
+    row: Row
+
+    @property
+    def when(self) -> datetime:
+        ts = int(self.row['time']) / 1000
+        return datetime.fromtimestamp(ts, tz=pytz.utc)
+
+
+    @property
+    def uid(self) -> str:
+        return self.row['itemid']
+
+    @property
+    def url(self) -> str:
+        return self.row['url']
+
+    @property
+    def title(self) -> str:
+        return self.row['title']
+
+    @property
+    def hackernews_link(self) -> str:
+        return f'https://news.ycombinator.com/item?id={self.uid}'
+
+
+def raw() -> Iterator[Row]:
+    db = dataset.connect('sqlite:///' + str(max(paths.materialistic.export_path.glob('*.db'))))
+    st = db['saved']
+    # TODO wonder if it's 'save time'?
+    yield from st.all(order_by='time')
+
+
+def saves() -> Iterator[Saved]:
+    yield from map(Saved, raw())