From 1127682872c6c6f7a914b53a15b2f99816ee959f Mon Sep 17 00:00:00 2001
From: jesopo <github@lolnerd.net>
Date: Mon, 18 Apr 2016 16:50:19 +0100
Subject: [PATCH] added a way for a command callback to neatly ask to only be
 available for people with a rank or above, added a channel_op module to
 utilise this.

---
 IRCChannel.py         |  7 +++++++
 modules/channel_op.py | 44 +++++++++++++++++++++++++++++++++++++++++++
 modules/check_mode.py | 15 +++++++++++++++
 3 files changed, 66 insertions(+)
 create mode 100644 modules/channel_op.py
 create mode 100644 modules/check_mode.py

diff --git a/IRCChannel.py b/IRCChannel.py
index 54a174db..f48f9d96 100644
--- a/IRCChannel.py
+++ b/IRCChannel.py
@@ -26,6 +26,8 @@ class Channel(object):
         self.users.add(user)
     def remove_user(self, user):
         self.users.remove(user)
+    def has_user(self, user):
+        return user in self.users
     def add_mode(self, mode, args=None):
         if not mode in self.modes:
             self.modes[mode] = set([])
@@ -59,6 +61,11 @@ class Channel(object):
         self.server.send_message(self.name, text)
     def send_mode(self, mode=None, target=None):
         self.server.send_mode(self.name, mode, target)
+    def send_kick(self, target, reason=None):
+        self.server.send_kick(self.name, target, reason)
+    def send_ban(self, hostmask):
+        self.server.send_mode(self.name, "+b", hostmask)
+
     def mode_or_above(self, nickname, mode):
         mode_orders = list(self.server.mode_prefixes.values())
         mode_index = mode_orders.index(mode)
diff --git a/modules/channel_op.py b/modules/channel_op.py
new file mode 100644
index 00000000..a454d791
--- /dev/null
+++ b/modules/channel_op.py
@@ -0,0 +1,44 @@
+
+
+class Module(object):
+    _name = "Channel Op"
+    def __init__(self, bot):
+        self.bot = bot
+        bot.events.on("received").on("command").on("kick", "k"
+            ).hook(self.kick, channel_only=True, require_mode="o",
+            min_args=1)
+        bot.events.on("received").on("command").on("ban"
+            ).hook(self.ban, channel_only=True, require_mode="o",
+            min_args=1)
+        bot.events.on("received").on("command").on("kickban", "kb"
+            ).hook(self.kickban, channel_only=True, require_mode="o",
+            min_args=1)
+
+    def kick(self, event):
+        target = event["args_split"][0]
+        target_user = event["server"].get_user(target)
+        if event["args_split"][1:]:
+            reason = " ".join(event["args_split"][1:])
+        else:
+            reason = None
+        event["stderr"].set_prefix("Kick")
+        if event["target"].has_user(target_user):
+            if not event["server"].is_own_nickname(target):
+                event["target"].send_kick(target, reason)
+            else:
+                event["stderr"].write("Nope.")
+        else:
+            event["stderr"].write("That user is not in this channel")
+
+    def ban(self, event):
+        target_user = event["server"].get_user(event["args_split"][0])
+        if event["target"].has_user(target_user):
+            event["target"].send_ban("*!%s@%s" % (target_user.username,
+                target_user.hostname))
+        else:
+            event["target"].send_ban(event["args_split"][0])
+
+    def kickban(self, event):
+        if event["server"].has_user(event["args_split"][0]):
+            self.ban(event)
+            self.kick(event)
diff --git a/modules/check_mode.py b/modules/check_mode.py
new file mode 100644
index 00000000..97da52d7
--- /dev/null
+++ b/modules/check_mode.py
@@ -0,0 +1,15 @@
+
+
+class Module(object):
+    def __init__(self, bot):
+        self.bot = bot
+        bot.events.on("preprocess").on("command").hook(
+            self.preprocess_command)
+
+    def preprocess_command(self, event):
+        if event["is_channel"] and event["hook"].kwargs.get(
+                "require_mode"):
+            required_mode = event["hook"].kwargs.get("require_mode")[0]
+            if not event["target"].mode_or_above(event["user"].nickname,
+                    required_mode):
+                return "You do not have permission to do this"