feat(growth): same-day 1-day baselines for new videos

Let 1-day view growth use a zero baseline for videos published today, and the first successful sample for older videos ingested today, without mixing those into 7/30-day rankings.

reaction_board/repository.py

@@ -690,12 +690,17 @@ class Repository:
         src: str = "view",
     ) -> None:
         values = metrics or {}
+        ok_flag = 1 if ok else 0
+        view_value = values.get("view")
+        open_view = view_value if ok else None
+        open_at = int(captured_at) if ok else None
         def run(conn: sqlite3.Connection) -> None:
             conn.execute(
                 """
                 INSERT INTO snapshot(stat_date, aid, "view", "like", favorite, coin,
-                                     share, reply, danmaku, captured_at, ok, err, src)
-                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+                                     share, reply, danmaku, captured_at, ok, err, src,
+                                     view_open, open_captured_at)
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
                 ON CONFLICT(stat_date, aid) DO UPDATE SET
                   "view" = excluded."view",
                   "like" = excluded."like",
@@ -707,12 +712,22 @@ class Repository:
                   captured_at = excluded.captured_at,
                   ok = excluded.ok,
                   err = excluded.err,
-                  src = excluded.src
+                  src = excluded.src,
+                  view_open = CASE
+                    WHEN excluded.ok = 1 AND snapshot.view_open IS NULL
+                    THEN excluded."view"
+                    ELSE snapshot.view_open
+                  END,
+                  open_captured_at = CASE
+                    WHEN excluded.ok = 1 AND snapshot.open_captured_at IS NULL
+                    THEN excluded.captured_at
+                    ELSE snapshot.open_captured_at
+                  END
                 """,
                 (
                     stat_date,
                     int(aid),
-                    values.get("view"),
+                    view_value,
                     values.get("like"),
                     values.get("favorite"),
                     values.get("coin"),
@@ -720,9 +735,11 @@ class Repository:
                     values.get("reply"),
                     values.get("danmaku"),
                     int(captured_at),
-                    1 if ok else 0,
+                    ok_flag,
                     err,
                     src,
+                    open_view,
+                    open_at,
                 ),
             )
         self.db.write(run)
@@ -741,18 +758,23 @@ class Repository:
                 """
                 INSERT INTO snapshot(
                   stat_date, aid, "view", "like", favorite, coin,
-                  share, reply, danmaku, captured_at, ok, err, src
+                  share, reply, danmaku, captured_at, ok, err, src,
+                  view_open, open_captured_at
                 )
                 SELECT
                   ?, aid, "view", "like", favorite, coin,
-                  share, reply, danmaku, ?, 1, NULL, ?
+                  share, reply, danmaku, ?, 1, NULL, ?,
+                  "view", ?
                 FROM snapshot
                 WHERE stat_date = ? AND ok = 1
                   AND aid NOT IN (
                     SELECT aid FROM snapshot WHERE stat_date = ?
                   )
                 """,
-                (target_date, int(captured_at), src, source_date, target_date),
+                (
+                    target_date, int(captured_at), src, int(captured_at),
+                    source_date, target_date,
+                ),
             )
             return int(cur.rowcount or 0)
         return self.db.write(run)