no longer allows duplicate or empty playernames

app.lua

@@ -40,14 +40,30 @@ app:get("/game", function(self)
 end)
 
 app:post("/character-create", function(self)
-	self.text = "Created new player"
-	self.game = games:create({
-		player_id = self.params.playername
-		})
-	self.session.gameref = self.game
+	if self.params.playername == "" then
+		self.text = "Player name must not be nil. Try again."
 		return {
 			self.text, layout = false
 		}
+	end
+	local player_exists = games:find({player_id = self.params.playername})
+	if player_exists then
+		self.text = "Player name already exists. Try again."
+		return {
+			self.text, layout = false
+		}
+	end
+	if not player_exists then
+		self.text = "Created new player."
+		self.game = games:create({
+			player_id = self.params.playername
+			})
+		self.session.gameref = self.game.id
+		self.link = "<a href='/game'>     Play Now</a>"
+		return {
+			self.text, self.link, layout = false
+		}
+	end
 end)
 
 app:match("/map/render", function(self)
@@ -84,3 +100,32 @@ return app
 
 
 
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