updates

.ruby-version

@@ -0,0 +1 @@
+3.0.0

Gemfile.lock

@@ -1,35 +1,26 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.1.4)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    concurrent-ruby (1.0.5)
-    faraday (0.13.1)
+    faraday (1.3.0)
+      faraday-net_http (~> 1.0)
       multipart-post (>= 1.2, < 3)
-    faraday_middleware (0.12.2)
-      faraday (>= 0.7.4, < 1.0)
-    gli (2.17.1)
-    hashie (3.5.6)
-    i18n (0.9.1)
-      concurrent-ruby (~> 1.0)
-    minitest (5.10.3)
-    multipart-post (2.0.0)
-    slack-ruby-client (0.11.0)
-      activesupport
-      faraday (>= 0.9)
+      ruby2_keywords
+    faraday-net_http (1.0.1)
+    faraday_middleware (1.0.0)
+      faraday (~> 1.0)
+    gli (2.20.0)
+    hashie (4.1.0)
+    multipart-post (2.1.1)
+    ruby2_keywords (0.0.4)
+    slack-ruby-client (0.17.0)
+      faraday (>= 1.0)
       faraday_middleware
       gli
       hashie
       websocket-driver
-    thread_safe (0.3.6)
-    tzinfo (1.2.4)
-      thread_safe (~> 0.1)
-    websocket-driver (0.7.0)
+    websocket-driver (0.7.3)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby
@@ -38,4 +29,4 @@ DEPENDENCIES
   slack-ruby-client
 
 BUNDLED WITH
-   1.15.4
+   2.2.11

bin/inviterator

@@ -10,7 +10,14 @@ end
 raise 'need to specify a channel to invite everyone to' if ARGV.length < 1
 
 client = Slack::Web::Client.new
-channel = client.channels_list.channels.find do |c|
+
+all_channels = []
+client.conversations_list do |response|
+  all_channels << response.channels
+end
+all_channels.flatten!
+
+channel = all_channels.find do |c|
   c.name == ARGV[0]
 end
 
@@ -32,7 +39,7 @@ users_to_invite.each_slice(30) do |users|
   puts "inviting #{users.map(&:name).join(', ')}"
   begin
     sleep 2
-    client.post('channels.invite', channel: channel.id, users: users.map(&:id).join(','))
+    client.post('conversations.invite', channel: channel.id, users: users.map(&:id).join(','))
   rescue Slack::Web::Api::Errors::SlackError => e
     # Ignore errors caused by users we tried to invite already being members.
     # Note that Slack will still invite all the others to the channel