support listing with a block

lib/frontapp/client.rb

@@ -61,7 +61,13 @@ def list(path, params = {})
           raise Error.from_response(res)
         end
         response = JSON.parse(res.to_s)
-        items.concat(response["_results"]) if response["_results"]
+
+        if block_given?
+          yield(response)
+        else
+          items.concat(response["_results"]) if response["_results"]
+        end
+
         pagination = response["_pagination"]
         if pagination.nil? || pagination["next"].nil?
           last_page = true

lib/frontapp/client/conversations.rb

@@ -2,8 +2,8 @@ module Frontapp
   class Client
     module Conversations
 
-      def conversations(params = {})
-        list("conversations", params)
+      def conversations(params = {}, &block)
+        list("conversations", params, &block)
       end
 
       # Parameters

lib/frontapp/version.rb

@@ -1,3 +1,3 @@
 module Frontapp
-  VERSION = "0.0.12"
+  VERSION = "0.0.13"
 end

spec/client_spec.rb

@@ -0,0 +1,44 @@
+require 'spec_helper'
+require 'frontapp'
+
+RSpec.describe 'Client' do
+  let(:headers) {
+    {
+      "Accept" => "application/json",
+      "Authorization" => "Bearer #{auth_token}",
+    }
+  }
+  let(:frontapp) { Frontapp::Client.new(auth_token: auth_token) }
+
+  let(:result_1) { { "id" => "1" } }
+  let(:result_2) { { "id" => "2" } }
+  let(:pagination) { { "next" => "#{base_url}/conversations?page=2" } }
+  let(:response_1) { { "_results" => [result_1], "_pagination" => pagination } }
+  let(:response_2) { { "_results" => [result_2], "_pagination" => {} } }
+
+  it "can list without a block" do
+    stub_request(:get, "#{base_url}/conversations").
+      with(headers: headers).
+      to_return(status: 200, body: JSON.generate(response_1))
+    stub_request(:get, "#{base_url}/conversations?page=2").
+      with(headers: headers).
+      to_return(status: 200, body: JSON.generate(response_2))
+    results = frontapp.conversations
+    expect(results).to eq([result_1, result_2])
+  end
+
+  it "can list with a block" do
+    stub_request(:get, "#{base_url}/conversations").
+      with(headers: headers).
+      to_return(status: 200, body: JSON.generate(response_1))
+    stub_request(:get, "#{base_url}/conversations?page=2").
+      with(headers: headers).
+      to_return(status: 200, body: JSON.generate(response_2))
+    results = []
+    frontapp.conversations do |response|
+      results.concat(response["_results"])
+    end
+    expect(results).to eq([result_1, result_2])
+  end
+
+end