Support broadcast

Author: toduq

lib/line/bot/client.rb

@@ -131,6 +131,27 @@ def multicast(to, messages)
         request.post
       end
 
+      # Broadcast messages to users
+      #
+      # @param messages [Hash or Array]
+      #
+      # @return [Net::HTTPResponse]
+      def broadcast(messages)
+        raise Line::Bot::API::InvalidCredentialsError, 'Invalidates credentials' unless credentials?
+
+        messages = [messages] if messages.is_a?(Hash)
+
+        request = Request.new do |config|
+          config.httpclient     = httpclient
+          config.endpoint       = endpoint
+          config.endpoint_path  = '/bot/message/broadcast'
+          config.credentials    = credentials
+          config.messages       = messages
+        end
+
+        request.post
+      end
+
       def leave_group(group_id)
         raise Line::Bot::API::InvalidCredentialsError, 'Invalidates credentials' unless credentials?
 

spec/line/bot/send_message_01_text_spec.rb

@@ -76,4 +76,26 @@
     }.to_json
     expect(response.body).to eq(expected)
   end
+
+  it 'broadcasts the text message' do
+    uri_template = Addressable::Template.new Line::Bot::API::DEFAULT_ENDPOINT + '/bot/message/broadcast'
+    stub_request(:post, uri_template).to_return { |request| {body: request.body, status: 200} }
+
+    client = Line::Bot::Client.new do |config|
+      config.channel_token = 'channel_token'
+    end
+
+    message = {
+      type: 'text',
+      text: 'Hello, world'
+    }
+    response = client.broadcast(message)
+
+    expected = {
+      messages: [
+        message
+      ]
+    }.to_json
+    expect(response.body).to eq(expected)
+  end
 end