add taplog provider

my/taplog.py

@@ -0,0 +1,65 @@
+'''
+[[https://play.google.com/store/apps/details?id=com.waterbear.taglog][Taplog]] app data
+'''
+
+from datetime import datetime
+from typing import NamedTuple, Dict, Optional, Iterable
+
+from .core import get_files
+from .core.common import fromisoformat
+
+from my.config import taplog as user_config
+
+
+class Entry(NamedTuple):
+    row: Dict
+
+    @property
+    def id(self) -> str:
+        return str(self.row['_id'])
+
+    @property
+    def number(self) -> Optional[float]:
+        ns = self.row['number']
+        # TODO ??
+        if isinstance(ns, str):
+            ns = ns.strip()
+            return None if len(ns) == 0 else float(ns)
+        else:
+            return ns
+
+    @property
+    def note(self) -> str:
+        return self.row['note']
+
+    @property
+    def button(self) -> str:
+        return self.row['cat1']
+
+    @property
+    def timestamp(self) -> datetime:
+        ts = self.row['timestamp']
+        # already with timezone apparently
+        return fromisoformat(ts)
+    # TODO also has gps info!
+
+
+def entries() -> Iterable[Entry]:
+    last = max(get_files(user_config.export_path))
+    from .core.dataset import connect_readonly
+    db = connect_readonly(last)
+    # todo is it sorted by timestamp?
+    for row in db['Log'].all():
+        yield Entry(row)
+
+
+# I guess worth having as top level considering it would be quite common?
+def by_button(button: str) -> Iterable[Entry]:
+    for e in entries():
+        if e.button == button:
+            yield e
+
+
+from .core import stat, Stats
+def stats() -> Stats:
+    return stat(entries)