rewrite: Initial statistics UI.

src/modules/statistics/graphics/stats.py

@@ -0,0 +1,63 @@
+from typing import Optional
+from datetime import datetime, timedelta
+
+import discord
+
+from meta import LionBot
+from gui.cards import StatsCard
+
+from ..data import StatsData
+
+
+async def get_stats_card(bot: LionBot, userid: int, guildid: int):
+    data: StatsData = bot.get_cog('StatsCog').data
+
+    # TODO: Workouts
+    # TODO: Leaderboard rankings
+    guildid = guildid or 0
+
+    lion = await bot.core.lions.fetch(guildid, userid)
+
+    # Calculate the period timestamps, i.e. start time for each summary period
+    # TODO: Don't do the alltime one like this, not efficient anymore
+    # TODO: Unless we rewrite study_time_since again?
+    today = lion.today
+    month_start = today.replace(day=1)
+    period_timestamps = (
+        datetime(1970, 1, 1),
+        month_start,
+        today - timedelta(days=today.weekday()),
+        today
+    )
+
+    # Extract the study times for each period
+    study_times = await data.VoiceSessionStats.study_times_since(guildid, userid, *period_timestamps)
+    print("Study times", study_times)
+
+    # Calculate streak data by requesting times per day
+    # First calculate starting timestamps for each day
+    days = list(range(0, today.day + 2))
+    day_timestamps = [month_start + timedelta(days=day - 1) for day in days]
+    study_times = await data.VoiceSessionStats.study_times_between(guildid, userid, *day_timestamps)
+    print("Study times", study_times)
+
+    # Then extract streak tuples
+    streaks = []
+    streak_start = None
+    for day, stime in zip(days, study_times):
+        stime = stime or 0
+        if stime > 0 and streak_start is None:
+            streak_start = day
+        elif stime == 0 and streak_start is not None:
+            streaks.append((streak_start, day-1))
+            streak_start = None
+    if streak_start is not None:
+        streaks.append((streak_start, today.day))
+
+    card = StatsCard(
+        (0, 0),
+        list(reversed(study_times)),
+        100,
+        streaks,
+    )
+    return card