From 122fced329c9dea6da04b53e84420763250eb522 Mon Sep 17 00:00:00 2001
From: Robert <Robert-Altner@t-online.de>
Date: Tue, 7 Jan 2020 18:04:00 +0100
Subject: [PATCH] Added Currency Conversion

---
 api/inspirobot.py       |  2 +-
 bot.py                  | 12 ++++---
 cogs/fun/autoconvert.py | 75 +++++++++++++++++++++++++++++++++++++++++
 util/checking.py        |  8 +++++
 4 files changed, 92 insertions(+), 5 deletions(-)
 create mode 100644 cogs/fun/autoconvert.py
 create mode 100644 util/checking.py

diff --git a/api/inspirobot.py b/api/inspirobot.py
index 8547e15..d47cd36 100644
--- a/api/inspirobot.py
+++ b/api/inspirobot.py
@@ -5,7 +5,7 @@ def get_inspirational_quote() -> str:
     response = requests.get("http://inspirobot.me/api?generate=true")
 
     if not response.ok:
-        logging.error(f"Steam API response not OK: {response.status_code} [http://inspirobot.me/api?generate=true]")
+        logging.error(f"Inspirobot API response not OK: {response.status_code} [http://inspirobot.me/api?generate=true]")
         return None
 
     return response.text
diff --git a/bot.py b/bot.py
index 59e57d9..b9117b2 100644
--- a/bot.py
+++ b/bot.py
@@ -6,7 +6,12 @@ from util import logging
 
 # Bot URL https://discordapp.com/api/oauth2/authorize?client_id=657709911337074698&permissions=314432&scope=bot
 
-client = commands.Bot(command_prefix='.', case_insensitive=True)
+config = open("config.json", "r")
+json = json.load(config)
+config.close()
+
+client = commands.Bot(command_prefix=json["prefix"], case_insensitive=True)
+
 
 @client.command()
 @commands.is_owner()
@@ -75,8 +80,7 @@ async def on_ready():
 
     logging. info("Deep Blue finished loading.")
 
-with open("config.json", "r") as key_file:
-    json = json.load(key_file)
-    key = json["client_key"]
 
+
+key = json["client_key"]
 client.run(key)
\ No newline at end of file
diff --git a/cogs/fun/autoconvert.py b/cogs/fun/autoconvert.py
new file mode 100644
index 0000000..c10f276
--- /dev/null
+++ b/cogs/fun/autoconvert.py
@@ -0,0 +1,75 @@
+import discord
+from discord.ext import commands
+from util import logging, checking
+import re
+
+class AutoConvert(commands.Cog):
+
+    def __init__(self, client):
+        self.client = client
+        self.currencies = ['€', '$', '£']
+        self.currency_conversion = {
+            "€$":1.1144,
+            "€£":0.85
+        }
+
+    '''
+        Checks wether a message contains currency symbols
+        Returns an array of prices found
+
+        €, $, £
+    '''
+    def contains_currency(self, message : discord.Message) -> []:
+        prices = []
+        words = message.content.split(' ')
+        for word in words:
+            for currency in self.currencies:
+                if currency in word:
+                    try:
+                        prices.append([float(re.findall(r"[-+]?\d*\.\d+|\d+", word)[0]), currency])
+                    except:
+                            pass
+                    break
+
+        return prices
+
+    def convert_currency(self, _from, to, value):
+        if _from == '€':
+            conversion_rate = self.currency_conversion[_from + to]
+        elif to == '€':
+            conversion_rate = 1/self.currency_conversion[to + _from]
+        else:
+            conversion_rate = self.currency_conversion['€' + to] / self.currency_conversion['€' + _from]
+
+        return round(value * conversion_rate, 2)
+                
+    @commands.Cog.listener()
+    async def on_message(self, message):
+        if message.author.bot:
+            return
+
+        empty = True
+
+        currencies = self.contains_currency(message)
+        embed = discord.Embed(title="Here are some useful conversions:", color=0x111387)
+
+        if len(currencies) != 0:
+            empty = False
+            for element in currencies:
+                currency_string = ""
+                for currency in self.currencies:
+                    if currency == element[1]:
+                        continue
+                    currency_string += f"{self.convert_currency(element[1], currency, element[0])}{currency}, "
+                embed.add_field(name=str(element[0])+element[1], value=currency_string[:-2])
+
+        
+
+        if not empty:
+            await message.channel.send(embed=embed)
+
+
+
+
+def setup(client):
+    client.add_cog(AutoConvert(client))
\ No newline at end of file
diff --git a/util/checking.py b/util/checking.py
new file mode 100644
index 0000000..8588a0b
--- /dev/null
+++ b/util/checking.py
@@ -0,0 +1,8 @@
+import discord
+from discord.ext import commands
+from util import logging
+
+def is_author_bot(ctx : commands.Context):
+    if ctx.message.author.bot:
+        return False
+    return True
\ No newline at end of file