Add support for slash commands

Custom slash commands are handled by doing `/slack slash /foo [args…]`

Fixes: #227 

2 files changed, 35 insertions, 1 deletions

diff --git a/README.md b/README.md
index e8bfcd5..7b77d7e 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ A WeeChat native client for Slack.com. Provides supplemental features only avail
 
 Features
 --------
+  * **New** Slash commands (including custom ones!)
   * **New** Upload to slack capabilities!
   * Emoji reactions!
   * Edited messages work just like the official clients, where the original message changes and has (edited) appended.
@@ -32,7 +33,6 @@ Features
   * Away/back status handling
   * Expands/shows metadata for things like tweets/links
   * Displays edited messages (slack.com irc mode currently doesn't show these)
-
   * *Super fun* debug mode. See what the websocket is saying with `/slack debug`
 
 In Development
@@ -177,6 +177,11 @@ Upload a file to the current slack buffer:
 /slack upload [file_path]
 ```
 
+Run a Slack slash command. Simply prepend `/slack slash` to what you'd type in the official clients.:
+```
+/slack slash /desiredcommand arg1 arg2 arg3
+```
+
 Debug mode:
 ```
 /slack debug
diff --git a/wee_slack.py b/wee_slack.py
index f0572dc..1720862 100644
--- a/wee_slack.py
+++ b/wee_slack.py
@@ -1308,6 +1308,35 @@ def command_markread(current_buffer, args):
         servers.find(domain).channels.find(channel).mark_read()
 
 
+@slack_buffer_required
+def command_slash(current_buffer, args):
+    """
+    Support for custom slack commands
+    /slack slash /customcommand arg1 arg2 arg3
+    """
+
+    server = servers.find(current_domain_name())
+    channel = current_buffer_name(short=True)
+    domain = current_domain_name()
+
+    if args is None:
+        server.buffer_prnt("Usage: /slack slash /someslashcommand [arguments...].")
+        return
+
+    split_args = args.split(None, 1)
+
+    command = split_args[0]
+    text = split_args[1] if len(split_args) > 1 else ""
+
+    if servers.find(domain).channels.find(channel):
+        channel_identifier = servers.find(domain).channels.find(channel).identifier
+
+    if channel_identifier:
+        async_slack_api_request(server.domain, server.token, 'chat.command', {'command': command, 'text': text, 'channel': channel_identifier})
+    else:
+        server.buffer_prnt("User or channel not found.")
+
+
 def command_flushcache(current_buffer, args):
     global message_cache
     message_cache = collections.defaultdict(list)