Feat/clear manual rescheduling logs (open-spaced-repetition#488)

Co-authored-by: user1823 <[email protected]>

__init__.py

@@ -10,7 +10,7 @@
 from .schedule.postpone import postpone
 from .schedule.advance import advance
 from .schedule.flatten import flatten
-from .schedule.reset import clear_custom_data
+from .schedule.reset import clear_custom_data, clear_manual_rescheduling
 from .schedule.disperse_siblings import disperse_siblings
 from .schedule.easy_days import (
     easy_days,
@@ -179,6 +179,10 @@ def reschedule_recent(did):
 
 menu_reset = build_action(clear_custom_data, "Clear custom data in all cards")
 
+menu_clear_manual_rescheduling = build_action(
+    clear_manual_rescheduling, "Delete redundant manual revlog entries"
+)
+
 menu_disperse_siblings = build_action(disperse_siblings, "Disperse all siblings")
 
 menu_remedy_hard_misuse = build_action(remedy_hard_misuse, "Remedy")
@@ -244,9 +248,10 @@ def sponsor(did=None):
 menu_for_helper.addAction(menu_postpone)
 menu_for_helper.addAction(menu_advance)
 menu_for_helper.addAction(menu_flatten)
-menu_for_helper.addAction(menu_reset)
 menu_for_helper.addAction(menu_disperse_siblings)
 menu_for_helper.addSeparator()
+menu_for_helper.addAction(menu_reset)
+menu_for_helper.addAction(menu_clear_manual_rescheduling)
 menu_for_remedy = menu_for_helper.addMenu("Remedy Hard Misuse")
 menu_for_remedy.addAction(menu_remedy_hard_misuse)
 menu_for_remedy.addAction(menu_undo_remedy)

schedule/reset.py

@@ -1,4 +1,5 @@
 from ..utils import *
+from anki.utils import ids2str
 
 
 def clear_custom_data(did):
@@ -33,3 +34,39 @@ def clear_custom_data(did):
     mw.col.merge_undo_entries(undo_entry)
     tooltip(f"""{cnt} cards cleared in {time.time() - start_time:.2f} seconds.""")
     mw.reset()
+
+
+def clear_manual_rescheduling(did):
+    if not askUser(
+        'This option removes revlog entries generated by "Set due date" and "Reschedule cards on change" '
+        + "that immediately precede another manual or reschedule entry.\n\n"
+        + "This action cannot be undone. Do you want to continue?"
+    ):
+        return
+
+    if not ask_one_way_sync():
+        return
+
+    revlog_ids = mw.col.db.list(
+        """
+        SELECT cur.id
+        FROM revlog as cur
+        WHERE cur.type >= 4
+        AND cur.factor <> 0
+        AND (
+        SELECT type
+        FROM revlog
+        WHERE id = (
+                SELECT min(id)
+                FROM revlog
+                WHERE id > cur.id
+                AND cid == cur.cid
+            )
+        ) >= 4
+    """
+    )
+    cnt = len(revlog_ids)
+    mw.col.db.execute(f"DELETE FROM revlog WHERE id IN {ids2str(revlog_ids)}")
+    col_set_modified()
+    tooltip(f"{cnt} review logs deleted.")
+    mw.reset()