trackdb: Add Track class

I don't read tags yet, but I set up some other variables that will be
useful later.

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

trackdb/test_track.py

@@ -0,0 +1,23 @@
+# Copyright 2020 (c) Anna Schumaker.
+from . import track
+import datetime
+import pathlib
+import unittest
+
+test_tracks  = pathlib.Path("./trier/Test Album")
+
+class TestTrack(unittest.TestCase):
+    def test_track_init(self):
+        trak = track.Track(1, test_tracks / "01 - Test Track.ogg")
+        self.assertEqual(trak.trackid, 1)
+        self.assertEqual(trak.filepath, test_tracks / "01 - Test Track.ogg")
+        self.assertEqual(trak.playcount, 0)
+        self.assertIsNone(trak.lastplayed)
+
+    def test_track_played(self):
+        trak = track.Track(1, test_tracks / "01 - Test Track.ogg")
+        trak.played()
+        self.assertEqual(trak.playcount, 1)
+        self.assertEqual(trak.lastplayed, datetime.date.today())
+        trak.played()
+        self.assertEqual(trak.playcount, 2)

trackdb/track.py

@@ -0,0 +1,13 @@
+# Copyright 2020 (c) Anna Schumaker.
+import datetime
+
+class Track:
+    def __init__(self, trackid, filepath):
+        self.trackid = trackid
+        self.filepath = filepath
+        self.playcount = 0
+        self.lastplayed = None
+
+    def played(self):
+        self.playcount += 1
+        self.lastplayed = datetime.date.today()