feat[cha-1225]: support delivery receipts

Author: Rafael Marinho

lib/stream-chat/client.rb

@@ -1065,6 +1065,17 @@ def query_reminders(user_id, filter_conditions = {}, sort: nil, **options)
       post('reminders/query', data: params)
     end
 
+    # Send the mark delivered event for this user, only works if the `delivery_receipts` setting is enabled
+    #
+    # @param [StringKeyHash, nil] data The delivery confirmation data
+    # @return [StreamChat::StreamResponse] API response
+    sig { params(data: T.nilable(StringKeyHash)).returns(StreamChat::StreamResponse) }
+    def mark_channels_delivered(data = nil)
+      # Note: In the Ruby SDK, we don't have access to user privacy settings from the client
+      # The server will handle the delivery_receipts check and return appropriate response
+      post('channels/delivered', data: data || {})
+    end
+
     private
 
     sig { returns(T::Hash[String, String]) }

spec/client_spec.rb

@@ -1435,4 +1435,38 @@ def loop_times(times)
       expect(response['active_live_locations'].length).to be >= 1
     end
   end
+
+  describe '#mark_channels_delivered' do
+    it 'should mark channels as delivered' do
+      # Create some test messages first
+      message1 = @channel.send_message({ text: 'Test message 1' }, @frodo)
+      message2 = @channel.send_message({ text: 'Test message 2' }, @sam)
+
+      # Create delivery confirmation data
+      delivery_data = {
+        latest_delivered_messages: [
+          {
+            cid: @channel.cid,
+            id: message1['message']['id']
+          },
+          {
+            cid: @channel.cid,
+            id: message2['message']['id']
+          }
+        ],
+        user_id: @gandalf
+      }
+
+      # Call the method
+      response = @client.mark_channels_delivered(delivery_data)
+
+      # The response should be successful (status 200)
+      expect(response.status_code).to eq(200)
+    end
+
+    it 'should handle empty data' do
+      response = @client.mark_channels_delivered
+      expect(response.status_code).to eq(200)
+    end
+  end
 end