Use of multiple currencies. -1 fix.

Cryptocoin.py

@@ -13,8 +13,8 @@ class Cryptocoin(object):
 	def __check(self, ctx): #Todo: Is dit het geld-verdienen kanaal?
 		return True
 	
-	def getCoinPrice(self, id, time="now"):
-		url = "https://min-api.cryptocompare.com/data/pricehistorical?tsyms=EUR&fsym=" + id
+	def getCoinPrice(self, coinId, currencyId="USD", time="now"):
+		url = "https://min-api.cryptocompare.com/data/pricehistorical?tsyms=" + currencyId + "&fsym=" + coinId
 				
 		if (time != "now"):
 			url += "&ts=" + str(time)
@@ -23,20 +23,32 @@ class Cryptocoin(object):
 		
 		try:
 			priceData = json.loads(response.content.decode('utf-8'))
-			return priceData[id]["EUR"]
+			return priceData[coinId][currencyId]
 		except:
-			print("API ERROR. (coin price)")
 			return -1
 			
 	@commands.command(pass_context=True)
 	@asyncio.coroutine
-	def coinprice(self, ctx, coinId: str):
+	def coinprice(self, ctx, coinId: str, currencyId: str="USD"):
 		"""Geeft de huidige prijs van de desbetreffende crypto currency
-		Bijv: !coinprice BTC
+		Bijv: 
+		!coinprice BTC
+		Of voor de echte (Erik) Hollanders:
+		!coinprice NLG EUR
 		"""
-		price = self.getCoinPrice(coinId)
+		allowedCurrencies = ["USD", "EUR", "JPY", "GBP", "CNY", "CAD", "BTC"]
 		
-		yield from ctx.channel.send(coinId + " is nu " + str(price) + " euro waard.")
+		if (currencyId not in allowedCurrencies):
+			yield from ctx.channel.send("Valuta " + currencyId + " ken ik niet. :disappointed: ")
+			return
+		
+		price = self.getCoinPrice(coinId, currencyId)
+		
+		if (price == -1):
+			yield from ctx.channel.send("Die cryptocoin ken ik niet... :frowning2: ")
+			return
+		
+		yield from ctx.channel.send(coinId + " is nu " + str(price) + " " + currencyId + " waard.")