From f89167257247d10b5f2648d40614df8bcc407c9f Mon Sep 17 00:00:00 2001
From: Andreas Bielawski <brawl98@outlook.com>
Date: Sat, 18 Jun 2016 13:42:30 +0200
Subject: [PATCH] - Bot-Username wird direkt aus den self-Infos genommen -
 Portiere service_entergroup

---
 config.lua.example            |  2 --
 otouto/bot.lua                |  4 +--
 otouto/plugins/entergroup.lua | 57 +++++++++++++++++++++++++++++++++++
 3 files changed, 59 insertions(+), 4 deletions(-)
 create mode 100644 otouto/plugins/entergroup.lua

diff --git a/config.lua.example b/config.lua.example
index 81fe21b..a4e4eb7 100644
--- a/config.lua.example
+++ b/config.lua.example
@@ -2,8 +2,6 @@ return {
 
 	-- Your authorization token from the botfather.
 	bot_api_key = '',
-	-- Bot's username without @
-	bot_user_name = '',
 	-- Your Telegram ID.
 	admin = 1337,
 	-- Two-letter language code.
diff --git a/otouto/bot.lua b/otouto/bot.lua
index af086da..243d6d4 100644
--- a/otouto/bot.lua
+++ b/otouto/bot.lua
@@ -74,8 +74,8 @@ function bot:on_msg_receive(msg, config) -- The fn run whenever a message is rec
 	end
 
 	-- gsub out user name if multiple bots are in the same group
-	msg.text = string.gsub(msg.text, '@'..config.bot_user_name, "")
-	msg.text_lower = string.gsub(msg.text, '@'..string.lower(config.bot_user_name), "")
+	msg.text = string.gsub(msg.text, '@'..self.info.username, "")
+	msg.text_lower = string.gsub(msg.text, '@'..string.lower(self.info.username), "")
 
 	msg = pre_process_msg(self, msg, config)
 	
diff --git a/otouto/plugins/entergroup.lua b/otouto/plugins/entergroup.lua
new file mode 100644
index 0000000..1762767
--- /dev/null
+++ b/otouto/plugins/entergroup.lua
@@ -0,0 +1,57 @@
+local entergroup = {}
+
+local utilities = require('otouto.utilities')
+local bindings = require('otouto.bindings')
+
+entergroup.triggers = {
+  '/nil'
+}
+
+function entergroup:chat_new_user(msg, self)
+  local user_name = msg.new_chat_member.first_name
+  local chat_title = msg.chat.title
+  if msg.from.username then
+    at_name = ' (@'..msg.from.username..')'
+  else
+    at_name = ''
+  end
+  if msg.from.id == msg.new_chat_member.id then -- entered through link
+    added_by = ''
+  else
+    added_by = '\n'..msg.from.name..at_name..' hat dich hinzugefügt!'
+  end
+  if msg.new_chat_member.id == self.info.id then -- don't say hello to ourselves
+    return
+  end
+  local text = 'Hallo '..user_name..', willkommen bei *'..chat_title..'*!'..added_by
+  utilities.send_reply(self, msg, text, true)
+end
+
+function entergroup:chat_del_user(msg, self)
+  if msg.left_chat_member.id == msg.from.id then -- silent ignore, if user wasn't kicked
+    return
+  end
+  local user_name = msg.left_chat_member.first_name
+  if msg.from.username then
+    at_name = ' (@'..msg.from.username..')'
+  else
+    at_name = ''
+  end
+  local text = user_name..' wurde von '..msg.from.first_name..at_name..' aus der Gruppe gekickt.'
+  utilities.send_reply(self, msg, text, true)
+end
+
+function entergroup:pre_process(msg, self)
+  if msg.new_chat_member then
+    entergroup:chat_new_user(msg, self)
+  elseif msg.left_chat_member then
+    entergroup:chat_del_user(msg, self)
+  end
+
+  return msg
+end
+
+function entergroup:action(msg)
+end
+
+return entergroup