Enable name-to-id translation for private channels (#559)

Author: eizengan

.github/workflows/test.yml

@@ -30,6 +30,7 @@ jobs:
         with:
           ruby-version: ${{ matrix.entry.ruby }}
           bundler-cache: true # 'bundle install' and cache gems
+        continue-on-error: ${{ matrix.entry.ignore || false }}
       - name: Run Tests
         continue-on-error: ${{ matrix.entry.ignore || false }}
         env:

CHANGELOG.md

@@ -1,6 +1,7 @@
 ### 2.6.1 (Next)
 
 * [#554](https://github.com/slack-ruby/slack-ruby-client/pull/557): Require Faraday >= 2.0.1 - [@anrichvs](https://github.com/AnrichVS).
+* [#559](https://github.com/slack-ruby/slack-ruby-client/pull/559): Enable name-to-id translation of non-public channels - [@eizengan](https://github.com/eizengan).
 * Your contribution here.
 
 ### 2.6.0 (2025/05/24)

lib/slack/web/api/mixins/conversations.id.rb

@@ -14,9 +14,13 @@ module Conversations
           #   Channel to get ID for, prefixed with #.
           # @option options [integer] :id_limit
           #   The page size used for conversations_list calls required to find the channel's ID
+          # @option options [string] :id_types
+          #   The types of conversations to use when searching for the ID. A comma-separated list
+          #   containing one or more of public_channel, private_channel, mpim, im
           def conversations_id(options = {})
             name = options[:channel]
             limit = options.fetch(:id_limit, Slack::Web.config.conversations_id_page_size)
+            types = options.fetch(:id_types, nil)
 
             raise ArgumentError, 'Required arguments :channel missing' if name.nil?
 
@@ -26,7 +30,7 @@ def conversations_id(options = {})
               prefix: '#',
               enum_method: :conversations_list,
               list_method: :channels,
-              options: { limit: limit }.compact
+              options: { limit: limit, types: types }.compact
             )
           end
         end

spec/slack/web/api/mixins/conversations_spec.rb

@@ -37,11 +37,16 @@
       )
     end
 
-    it 'forwards a provided limit to the underlying conversations_list calls' do
+    it 'forwards the provided limit to the underlying conversations_list calls' do
       expect(conversations).to receive(:conversations_list).with(limit: 1234)
       conversations.conversations_id(channel: '#general', id_limit: 1234)
     end
 
+    it 'forwards a provided types to the underlying conversations_list calls' do
+      expect(conversations).to receive(:conversations_list).with(types: 'public_channel,private_channel')
+      conversations.conversations_id(channel: '#general', id_types: 'public_channel,private_channel')
+    end
+
     it 'fails with an exception' do
       expect { conversations.conversations_id(channel: '#invalid') }.to(
         raise_error(Slack::Web::Api::Errors::SlackError, 'channel_not_found')