Maintenance: Activated rubocop Style/SelfAssignment.

.rubocop/default.yml

@@ -166,13 +166,6 @@ Style/PerlBackrefs:
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-perl-regexp-last-matchers'
   Enabled: false
 
-Style/SelfAssignment:
-  Description: >-
-                 Checks for places where self-assignment shorthand should have
-                 been used.
-  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#self-assignment'
-  Enabled: false
-
 Rails/ApplicationRecord:
   Exclude:
     - 'app/models/application_model.rb'

app/controllers/long_polling_controller.rb

@@ -73,7 +73,7 @@ def message_receive
         count = 12
       end
       loop do
-        count = count - 1
+        count -= 1
         queue = Sessions.queue(client_id)
         if queue && queue[0]
           logger.debug { "send #{queue.inspect} to #{client_id}" }

app/jobs/ticket_online_notification_seen_job.rb

@@ -9,7 +9,7 @@ def lock_key
   end
 
   def perform(ticket_id, user_id)
-    user_id = user_id || 1
+    user_id ||= 1
 
     # set all online notifications to seen
     Transaction.execute do

app/models/channel.rb

@@ -164,7 +164,7 @@ def self.stream
 
         local_delay_before_reconnect = delay_before_reconnect
         if channel.status_in == 'error'
-          local_delay_before_reconnect = local_delay_before_reconnect * 2
+          local_delay_before_reconnect *= 2
         end
         if @@channel_stream[channel_id].blank? && @@channel_stream_started_till_at[channel_id].present?
           wait_in_seconds = @@channel_stream_started_till_at[channel_id] - (Time.zone.now - local_delay_before_reconnect.seconds)

app/models/job.rb

@@ -151,7 +151,7 @@ def next_run_at_calculate(time = Time.zone.now)
     if last_run_at
       diff = time - last_run_at
       if diff.positive?
-        time = time + 10.minutes
+        time += 10.minutes
       end
     end
     day_map = {
@@ -180,8 +180,8 @@ def next_run_at_calculate(time = Time.zone.now)
 
         # start on next day at 00:00:00
         time = day_to_check - day_to_check.sec.seconds
-        time = time - day_to_check.min.minutes
-        time = time - day_to_check.hour.hours
+        time -= day_to_check.min.minutes
+        time -= day_to_check.hour.hours
         next
       end
 
@@ -202,15 +202,15 @@ def next_run_at_calculate(time = Time.zone.now)
 
       # move to [0-5]0:00 time stamps
       day_to_check = day_to_check - day_to_check.min.minutes + min.minutes
-      day_to_check = day_to_check - day_to_check.sec.seconds
+      day_to_check -= day_to_check.sec.seconds
 
       # loop minutes till next full hour
       if day_to_check.min.nonzero?
         (0..5).each do |minute_counter|
           if minute_counter.nonzero?
             break if day_to_check.min.zero?
 
-            day_to_check = day_to_check + 10.minutes
+            day_to_check += 10.minutes
           end
           next if !timeplan['hours'][day_to_check.hour] && !timeplan['hours'][day_to_check.hour.to_s]
           next if !timeplan['minutes'][match_minutes(day_to_check.min)] && !timeplan['minutes'][match_minutes(day_to_check.min).to_s]

app/models/transaction/notification.rb

@@ -84,7 +84,7 @@ def perform
 
     if possible_recipients_additions.present?
       # join unique entries
-      possible_recipients = possible_recipients | possible_recipients_additions.to_a
+      possible_recipients |= possible_recipients_additions.to_a
     end
 
     already_checked_recipient_ids = {}

lib/calendar_subscriptions.rb

@@ -23,8 +23,8 @@ def initialize(user)
   def all
     events_data = []
     @preferences.each_key do |object_name|
-      result      = generic_call(object_name)
-      events_data = events_data + result
+      result = generic_call(object_name)
+      events_data += result
     end
     to_ical(events_data)
   end

lib/core_ext/string.rb

@@ -162,7 +162,7 @@ def html2text(string_only = false, strict = false)
     elsif string.scan(%r{<a[[:space:]]}i).count < 5_000
       string.gsub!(%r{<a[[:space:]].*?href=("|')(.+?)("|').*?>}ix) do
         link = $2
-        counter = counter + 1
+        counter += 1
         link_list += "[#{counter}] #{link}\n"
         "[#{counter}] "
       end

lib/report/base.rb

@@ -243,7 +243,7 @@ def self.time_average(data)
       #          puts 'CT:' + ticket.created_at.to_s
       diff = timestamp - ticket.created_at
       #puts 'DIFF:' + diff.to_s
-      time_total = time_total + diff
+      time_total += diff
       tickets += 1
     end
     if time_total.zero? || tickets.zero?

lib/stats/ticket_waiting_time.rb

@@ -74,7 +74,7 @@ def self.calculate_average(ticket_ids, start_time)
     end
 
     if count_articles.positive?
-      average_time = average_time / count_articles
+      average_time /= count_articles
     end
 
     average_time

lib/twitter_sync.rb

@@ -551,7 +551,7 @@ def get_state(channel, tweet, ticket = nil)
 
   def tweet_limit_reached(tweet, factor = 1)
     max_count = 120
-    max_count = max_count * factor
+    max_count *= factor
     type_id = Ticket::Article::Type.lookup(name: 'twitter status').id
     created_at = Time.zone.now - 15.minutes
     created_count = Ticket::Article.where('created_at > ? AND type_id = ?', created_at, type_id).count

lib/websocket_server.rb

@@ -199,7 +199,7 @@ def self.log_status
     client_list.each_value do |client|
       next if client[:meta][:type] == 'websocket'
 
-      clients = clients + 1
+      clients += 1
     end
     log 'info', "Status: ajax clients: #{clients}"
     client_list.each do |client_id, client|