(guild_admin): statreset command.

Added the `statreset` command for resetting study statistics.
Add the `Guild Admin` command group.

bot/modules/guild_admin/__init__.py

@@ -1,3 +1,4 @@
 from .module import module
 
 from . import guild_config
+from . import statreset

bot/modules/guild_admin/statreset.py

@@ -0,0 +1,65 @@
+from io import StringIO
+
+import discord
+from wards import guild_admin
+from data import tables
+from core import Lion
+
+from .module import module
+
+
+@module.cmd("statreset",
+            desc="Perform a complete reset of the server's study statistics.",
+            group="Guild Admin")
+@guild_admin()
+async def cmd_statreset(ctx):
+    """
+    Usage``:
+        {prefix}statreset
+    Description:
+        Perform a complete reset of the server's member statistics.
+        This includes tracked time, coins, and workout counts.
+
+        This may be used to set "seasons" of study.
+
+        Before the reset, I will send a csv file with the previous member statistics.
+
+        **This is not reversible.**
+    """
+    if not await ctx.ask("Are you sure you want to completely reset the member statistics? "
+                         "**THIS IS NOT REVERSIBLE!**"):
+        return
+    # Build the data csv
+    rows = tables.lions.select_where(
+        select_columns=('userid', 'tracked_time', 'coins', 'workout_count', 'b.roleid AS badge_roleid'),
+        _extra=(
+            "LEFT JOIN study_badges b ON last_study_badgeid = b.badgeid "
+            "WHERE members.guildid={}"
+        ).format(ctx.guild.id)
+    )
+    header = "userid, tracked_time, coins, workouts, rank_roleid\n"
+    csv_rows = [
+        ', '.join(str(data) for data in row)
+        for row in rows
+    ]
+
+    with StringIO() as stats_file:
+        stats_file.write(header)
+        stats_file.write('\n'.join(csv_rows))
+        stats_file.seek(0)
+
+        out_file = discord.File(stats_file, filename="member_statistics.csv")
+        await ctx.reply(file=out_file)
+
+    # Reset the statistics
+    tables.lions.update_where(
+        {'tracked_time': 0, 'coins': 0, 'workout_count': 0},
+        guildid=ctx.guild.id
+    )
+
+    Lion.sync()
+
+    await ctx.embed_reply(
+        "The server member statistics have been reset!\n"
+        "(It may take a while for the member studybadges to update.)"
+    )

bot/modules/meta/help.py

@@ -14,6 +14,7 @@ group_hints = {
     'Statistics': "*StudyLion leaderboards and study statistics.*",
     'Economy': "*Buy, sell, and trade with your hard-earned coins!*",
     'Personal Settings': "*Tell me about yourself!*",
+    'Guild Admin': "*Dangerous administration commands!*",
     'Guild Configuration': "*Control how I behave in your server.*",
     'Meta': "*Information about me!*"
 }
@@ -28,7 +29,7 @@ mod_group_order = (
 )
 
 admin_group_order = (
-    ('Guild Configuration', 'Moderation', 'Meta'),
+    ('Guild Admin', 'Guild Configuration', 'Moderation', 'Meta'),
     ('Productivity', 'Statistics', 'Economy', 'Personal Settings')
 )