(Economy): Add send command and rename files.

bot/modules/economy/__init__.py

@@ -1,3 +1,4 @@
 from .module import module
 
-from . import commands
+from . import cointop_cmd
+from . import send_cmd

bot/modules/economy/send_cmd.py

@@ -0,0 +1,82 @@
+import discord
+import datetime
+from cmdClient.checks import in_guild
+
+from core import Lion
+
+from .module import module
+
+
+@module.cmd(
+    "send",
+    group="Economy",
+    desc="Send some coins to another member."
+)
+@in_guild()
+async def cmd_send(ctx):
+    """
+    Usage``:
+        {prefix}send <user mention> <amount>
+    Description:
+        Send the given number of coins to the mentioned user.
+    Example:
+        {prefix}send {ctx.author.mention} 1000000
+    """
+    # Extract target and amount
+    # Handle a slightly more flexible input than stated
+    splits = ctx.args.split()
+    digits = [split.isdigit() for split in splits]
+    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 lions
+    target_lion = Lion.fetch(ctx.guild.id, target.id)
+    source_lion = Lion.fetch(ctx.guild.id, ctx.author.id)
+
+    # Check sanity conditions
+    if amount > source_lion.coins:
+        return await ctx.error_reply(
+            "Sorry {}, you do not have enough LionCoins to do that.".format(ctx.author.mention)
+        )
+    if target == ctx.author:
+        return await ctx.embed_reply("What is this, tax evasion?")
+    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
+    target_lion.addCoins(amount)
+    source_lion.addCoins(-amount)
+
+    embed = discord.Embed(
+        title="Funds transferred",
+        description="You have sent **{}** LionCoins to {}!".format(amount, target.mention),
+        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)
+
+
+async def _send_usage(ctx):
+    return await ctx.error_reply(
+        "**Usage:** `{prefix}send <mention> <amount>`\n"
+        "**Example:** {prefix}send {ctx.author.mention} 1000000".format(
+            prefix=ctx.best_prefix,
+            ctx=ctx
+        )
+    )