support report_level configuration just like rollbar.js

lib/rollbar/configuration.rb

@@ -39,6 +39,7 @@ class Configuration
     attr_accessor :open_timeout
     attr_accessor :request_timeout
     attr_accessor :net_retries
+    attr_accessor :report_level
     attr_accessor :root
     attr_accessor :js_options
     attr_accessor :js_enabled
@@ -122,6 +123,7 @@ def initialize
       @js_enabled = false
       @js_options = {}
       @locals = {}
+      @report_level = :debug
       @scrub_fields = [:passwd, :password, :password_confirmation, :secret,
                        :confirm_password, :password_confirmation, :secret_token,
                        :api_key, :access_token, :accessToken, :session_id]

lib/rollbar/notifier.rb

@@ -22,6 +22,20 @@ class Notifier
     MUTEX = Mutex.new
     EXTENSION_REGEXP = /.rollbar\z/.freeze
 
+    # helps cache the hierarchy of the report levels from low to high
+    # as both symbols and strings
+    REPORT_LEVELS =
+      begin
+        h = Hash.new(100) # configure with default of 10
+
+        [:debug, :info, :warning, :error, :critical].each_with_index do |level, i|
+          h[level] = i
+          h[level.to_s] = i
+        end
+
+        h
+      end.freeze
+
     def initialize(parent_notifier = nil, payload_options = nil, scope = nil)
       if parent_notifier
         self.configuration = parent_notifier.configuration.clone
@@ -130,6 +144,8 @@ def silenced
     def log(level, *args)
       return 'disabled' unless enabled?
 
+      return 'not_reported' if REPORT_LEVELS[level] < REPORT_LEVELS[configuration.report_level]
+
       message, exception, extra, context = extract_arguments(args)
       use_exception_level_filters = use_exception_level_filters?(extra)
 

spec/rollbar_bc_spec.rb

@@ -172,6 +172,27 @@
       Rollbar.report_exception(@exception).should == 'disabled'
     end
 
+    it 'should not report when level is lower than report_level' do
+      Rollbar.configure do |config|
+        config.enabled = true
+        config.report_level = 'error'
+      end
+
+      Rollbar.configuration.report_level.should == 'error'
+      Rollbar.warning('warning message').should == 'not_reported'
+    end
+
+
+    it 'should report when level is higher than or equal to report_level' do
+      Rollbar.configure do |config|
+        config.report_level = 'error'
+      end
+
+      logger_mock.should_receive(:info).with('[Rollbar] Scheduling item')
+      logger_mock.should_receive(:info).with('[Rollbar] Success')
+      Rollbar.report_exception(@exception)
+    end
+
     it 'should stay disabled if configure is called again' do
       Rollbar.clear_notifier!