rewrite: Initial statistics UI.

src/modules/statistics/graphics/weekly.py

@@ -0,0 +1,54 @@
+from typing import Optional
+from datetime import timedelta
+
+from data import ORDER
+from meta import LionBot
+from gui.cards import WeeklyStatsCard
+from gui.base import CardMode
+
+from ..data import StatsData
+
+
+async def get_weekly_card(bot: LionBot, userid: int, guildid: int, offset: int, mode: CardMode) -> WeeklyStatsCard:
+    data: StatsData = bot.get_cog('StatsCog').data
+
+    lion = await bot.core.lions.fetch(guildid, userid)
+    today = lion.today
+    week_start = today - timedelta(days=today.weekday()) - timedelta(weeks=offset)
+    days = [week_start + timedelta(i) for i in range(-7, 7 if offset else (today.weekday() + 1))]
+
+    # TODO: Select statistics model based on mode
+    model = data.VoiceSessionStats
+
+    # Get user session rows
+    query = model.table.select_where()
+    if guildid:
+        query = query.where(userid=userid, guildid=guildid).order_by('start_time', ORDER.ASC)
+    else:
+        query = query.where(userid=userid)
+    sessions = await query
+
+    # Extract quantities per-day
+    day_stats = await model.study_times_between(guildid or None, userid, *days)
+    for i in range(14 - len(day_stats)):
+        day_stats.append(0)
+
+    # Get member profile
+    if member := await lion.get_member():
+        username = (member.display_name, member.discriminator)
+    else:
+        username = (lion.data.display_name, '#????')
+
+    card = WeeklyStatsCard(
+        user=username,
+        timezone=str(lion.timezone),
+        now=lion.now.timestamp(),
+        week=week_start.timestamp(),
+        daily=tuple(map(lambda n: n/3600, day_stats)),
+        sessions=[
+            (int(session['start_time'].timestamp()), int(session['end_time'].timestamp()))
+            for session in sessions
+        ],
+        skin={'mode': mode}
+    )
+    return card