[Guild_Admin] set_coins Admin command

bot/modules/guild_admin/economy/set_coins.py

@@ -0,0 +1,104 @@
+import discord
+import datetime
+from cmdClient.checks import in_guild
+
+from settings import GuildSettings
+from core import Lion
+
+from ..module import module
+
+POSTGRES_INT_MAX = 2147483647
+
+@module.cmd(
+    "set_coins",
+    group="Guild Admin",
+    desc="Set coins on a member."
+)
+@in_guild()
+async def cmd_set(ctx):
+    """
+    Usage``:
+        {prefix}set_coins <user mention> <amount>
+    Description:
+        Sets the given number of coins on the mentioned user.
+        If a number greater than 0 is mentioned, will add coins.
+        If a number less than 0 is mentioned, will remove coins.
+        Note: LionCoins on a member cannot be negative.
+    Example:
+        {prefix}set_coins {ctx.author.mention} 100
+        {prefix}set_coins {ctx.author.mention} -100
+    """
+    # Extract target and amount
+    # Handle a slightly more flexible input than stated
+    splits = ctx.args.split()
+    digits = [isNumber(split) for split in splits[:2]]
+    mentions = ctx.msg.mentions
+    if len(splits) < 2 or not any(digits) or not (all(digits) or mentions):
+        return await _send_usage(ctx)
+
+    if all(digits):
+        # Both are digits, hopefully one is a member id, and one is an amount.
+        target, amount = ctx.guild.get_member(int(splits[0])), int(splits[1])
+        if not target:
+            amount, target = int(splits[0]), ctx.guild.get_member(int(splits[1]))
+        if not target:
+            return await _send_usage(ctx)
+    elif digits[0]:
+        amount, target = int(splits[0]), mentions[0]
+    elif digits[1]:
+        target, amount = mentions[0], int(splits[1])
+
+    # Fetch the associated lion
+    target_lion = Lion.fetch(ctx.guild.id, target.id)
+
+    # Check sanity conditions
+    if target == ctx.client.user:
+        return await ctx.embed_reply("Thanks, but Ari looks after all my needs!")
+    if target.bot:
+        return await ctx.embed_reply("We are still waiting for {} to open an account.".format(target.mention))
+
+    # Finally, send the amount and the ack message
+    # Postgres `coins` column is `integer`, sanity check postgres int limits - which are smalled than python int range
+    target_coins_to_set = target_lion.coins + amount
+    if target_coins_to_set >= 0 and target_coins_to_set <= POSTGRES_INT_MAX:
+        target_lion.addCoins(amount)
+    elif target_coins_to_set < 0:
+        target_coins_to_set = -target_lion.coins # Coins cannot go -ve, cap to 0
+        target_lion.addCoins(target_coins_to_set)
+        target_coins_to_set = 0
+    else:
+        return await ctx.embed_reply("Member coins cannot be more than {}".format(POSTGRES_INT_MAX))
+
+    embed = discord.Embed(
+        title="Funds Set",
+        description="You have set LionCoins on {} to **{}**!".format(target.mention,target_coins_to_set),
+        colour=discord.Colour.orange(),
+        timestamp=datetime.datetime.utcnow()
+    ).set_footer(text=str(ctx.author), icon_url=ctx.author.avatar_url)
+
+    await ctx.reply(embed=embed, reference=ctx.msg)
+    GuildSettings(ctx.guild.id).event_log.log(
+        "{} set {}'s LionCoins to`{}`.".format(
+            ctx.author.mention,
+            target.mention,
+            target_coins_to_set
+        ),
+        title="Funds Set"
+    )
+
+def isNumber(var):
+    try:
+        return isinstance(int(var), int)
+    except:
+        return False
+
+async def _send_usage(ctx):
+    return await ctx.error_reply(
+        "**Usage:** `{prefix}set_coins <mention> <amount>`\n"
+        "**Example:**\n"
+        "  {prefix}set_coins {ctx.author.mention} 100\n"
+        "  {prefix}set_coins {ctx.author.mention} -100".format(
+            prefix=ctx.best_prefix,
+            ctx=ctx
+        )
+    )