Enable Lint/UselessAssignment cop.

2019-06-28 13:38:49 +02:00 · 2019-06-28 13:38:49 +02:00 · a1da3a27f9
commit a1da3a27f9
parent 7930ffdf03
142 changed files with 547 additions and 663 deletions
--- a/.rubocop_todo.rspec.yml
+++ b/.rubocop_todo.rspec.yml
@ -6,10 +6,6 @@
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.

-# Offense count: 43
-Lint/UselessAssignment:
-  Enabled: false
-
 # # Offense count: 17 (Competes with same override in .rubocop_todo.yml)
 # Metrics/AbcSize:
 #   Max: 24
--- a/app/controllers/application_channel_controller.rb
+++ b/app/controllers/application_channel_controller.rb
@ -41,7 +41,7 @@ class ApplicationChannelController < ApplicationController
  end

  def channel_params
-    params = params.permit!.to_s
+    params.permit!.to_s
  end

 end
--- a/app/controllers/application_controller/renders_models.rb
+++ b/app/controllers/application_controller/renders_models.rb
@ -101,22 +101,11 @@ module ApplicationController::RendersModels
  end

  def model_index_render(object, params)
-    offset = 0
-    per_page = 500
-    if params[:page] && params[:per_page]
-      offset = (params[:page].to_i - 1) * params[:per_page].to_i
-      limit = params[:per_page].to_i
-    end
+    page = (params[:page] || 1).to_i
+    per_page = (params[:per_page] || 500).to_i
+    offset = (page - 1) * per_page

-    if per_page > 500
-      per_page = 500
-    end
-
-    generic_objects = if offset.positive?
-                        object.limit(params[:per_page]).order(id: :asc).offset(offset).limit(limit)
-                      else
-                        object.all.order(id: :asc).offset(offset).limit(limit)
-                      end
+    generic_objects = object.order(id: :asc).offset(offset).limit(per_page)

    if response_expand?
      list = []
--- a/app/controllers/channels_email_controller.rb
+++ b/app/controllers/channels_email_controller.rb
@ -171,7 +171,7 @@ class ChannelsEmailController < ApplicationController
        channel_id: channel.id,
      )
    else
-      address = EmailAddress.create(
+      EmailAddress.create(
        realname:   params[:meta][:realname],
        email:      email,
        active:     true,
--- a/app/controllers/concerns/creates_ticket_articles.rb
+++ b/app/controllers/concerns/creates_ticket_articles.rb
@ -96,7 +96,7 @@ module CreatesTicketArticles
        begin
          base64_data = attachment[:data].gsub(/[\r\n]/, '')
          attachment_data = Base64.strict_decode64(base64_data)
-        rescue ArgumentError => e
+        rescue ArgumentError
          raise Exceptions::UnprocessableEntity, "Invalid base64 for attachment with index '#{index}'"
        end

--- a/app/controllers/import_otrs_controller.rb
+++ b/app/controllers/import_otrs_controller.rb
@ -123,7 +123,7 @@ class ImportOtrsController < ApplicationController
  end

  def import_check
-    statistic = Import::OTRS::Requester.list
+    Import::OTRS::Requester.list
    issues = []

    # check count of dynamic fields
--- a/app/controllers/integration/check_mk_controller.rb
+++ b/app/controllers/integration/check_mk_controller.rb
@ -55,7 +55,7 @@ UserAgent: #{request.env['HTTP_USER_AGENT']}
        ticket = Ticket.find_by(id: ticket_id)
        next if !ticket

-        article = Ticket::Article.create!(
+        Ticket::Article.create!(
          ticket_id: ticket_id,
          type_id:   Ticket::Article::Type.find_by(name: 'web').id,
          sender_id: Ticket::Article::Sender.find_by(name: 'Customer').id,
@ -81,7 +81,6 @@ UserAgent: #{request.env['HTTP_USER_AGENT']}
        }
        return
      end
-      state = Ticket::State.lookup(id: auto_close_state_id)
      ticket_ids_found.each do |ticket_id|
        ticket = Ticket.find_by(id: ticket_id)
        next if !ticket
@ -107,7 +106,7 @@ UserAgent: #{request.env['HTTP_USER_AGENT']}
        },
      }
    )
-    article = Ticket::Article.create!(
+    Ticket::Article.create!(
      ticket_id: ticket.id,
      type_id:   Ticket::Article::Type.find_by(name: 'web').id,
      sender_id: Ticket::Article::Sender.find_by(name: 'Customer').id,
--- a/app/controllers/knowledge_base/answer/attachments_controller.rb
+++ b/app/controllers/knowledge_base/answer/attachments_controller.rb
@ -9,7 +9,7 @@ class KnowledgeBase::Answer::AttachmentsController < ApplicationController
  def create
    file = params[:file]

-    store = Store.add(
+    Store.add(
      object:      @answer.class.name,
      o_id:        @answer.id,
      data:        file.read,
--- a/app/controllers/long_polling_controller.rb
+++ b/app/controllers/long_polling_controller.rb
@ -89,7 +89,7 @@ class LongPollingController < ApplicationController
          return
        end
      end
-    rescue => e
+    rescue
      raise Exceptions::UnprocessableEntity, 'Invalid client_id in receive loop!'
    end
  end
--- a/app/controllers/slas_controller.rb
+++ b/app/controllers/slas_controller.rb
@ -52,7 +52,6 @@ curl http://localhost/api/v1/slas.json -v -u #{login}:#{password}

      # calendars
      assets = {}
-      calendar_ids = []
      Calendar.all.each do |calendar|
        assets = calendar.assets(assets)
      end
--- a/app/controllers/ticket_overviews_controller.rb
+++ b/app/controllers/ticket_overviews_controller.rb
@ -10,7 +10,6 @@ class TicketOverviewsController < ApplicationController
      index_and_lists = Ticket::Overviews.index(current_user)
      indexes = []
      index_and_lists.each do |index|
-        assets = {}
        overview = Overview.lookup(id: index[:overview][:id])
        meta = {
          name:  overview.name,
--- a/app/controllers/time_accountings_controller.rb
+++ b/app/controllers/time_accountings_controller.rb
@ -49,7 +49,6 @@ class TimeAccountingsController < ApplicationController
      end
      if !agents[local_time_unit[:agent_id]]
        agent_user = User.lookup(id: local_time_unit[:agent_id])
-        agent = '-'
        if agent_user
          agents[local_time_unit[:agent_id]] = agent_user.fullname
        end
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@ -380,7 +380,7 @@ class UsersController < ApplicationController

    query = params[:query]
    if query.respond_to?(:permit!)
-      query = query.permit!.to_h
+      query.permit!.to_h
    end

    query = params[:query] || params[:term]
@ -543,7 +543,7 @@ curl http://localhost/api/v1/users/email_verify_send -v -u #{login}:#{password}
    #  return
    #end

-    token = Token.create(action: 'Signup', user_id: user.id)
+    Token.create(action: 'Signup', user_id: user.id)

    result = User.signup_new_token(user)
    if result && result[:token]
--- a/app/jobs/ticket_article_communicate_email_job.rb
+++ b/app/jobs/ticket_article_communicate_email_job.rb
@ -9,7 +9,6 @@ class TicketArticleCommunicateEmailJob < ApplicationJob

    # build subject
    ticket = Ticket.lookup(id: record.ticket_id)
-    article_count = Ticket::Article.where(ticket_id: ticket.id).count

    subject_prefix_mode = record.preferences[:subtype]

--- a/app/models/application_model/can_lookup.rb
+++ b/app/models/application_model/can_lookup.rb
@ -25,8 +25,7 @@ returns
      attr.transform_keys!(&:to_sym).slice!(*lookup_keys)
      raise ArgumentError, "Valid lookup attribute required (#{lookup_keys.join(', ')})" if attr.empty?

-      record   = cache_get(attr.values.first)
-      record ||= find_and_save_to_cache_by(attr)
+      cache_get(attr.values.first) || find_and_save_to_cache_by(attr)
    end

 =begin
--- a/app/models/application_model/can_lookup_search_index_attributes.rb
+++ b/app/models/application_model/can_lookup_search_index_attributes.rb
@ -22,8 +22,7 @@ returns
      next if !value

      # get attribute name
-      attribute_name_with_id = key.to_s
-      attribute_name         = key.to_s
+      attribute_name = key.to_s
      next if attribute_name[-3, 3] != '_id'

      attribute_name = attribute_name[ 0, attribute_name.length - 3 ]
--- a/app/models/application_model/has_attachments.rb
+++ b/app/models/application_model/has_attachments.rb
@ -86,6 +86,5 @@ store attachments for this object
        created_by_id: created_by_id,
      )
    end
-    attachments_buffer = nil
  end
 end
--- a/app/models/channel/driver/sms/twilio.rb
+++ b/app/models/channel/driver/sms/twilio.rb
@ -40,7 +40,7 @@ class Channel::Driver::Sms::Twilio
    # find sender
    user = User.where(mobile: attr[:From]).order(:updated_at).first
    if !user
-      from_comment, preferences = Cti::CallerId.get_comment_preferences(attr[:From], 'from')
+      _from_comment, preferences = Cti::CallerId.get_comment_preferences(attr[:From], 'from')
      if preferences && preferences['from'] && preferences['from'][0]
        if preferences['from'][0]['level'] == 'known' && preferences['from'][0]['object'] == 'User'
          user = User.find_by(id: preferences['from'][0]['o_id'])
--- a/app/models/channel/email_parser.rb
+++ b/app/models/channel/email_parser.rb
@ -202,9 +202,6 @@ returns
        # save changes set by x-zammad-ticket-followup-* headers
        ticket.save! if ticket.has_changes_to_save?

-        state      = Ticket::State.find(ticket.state_id)
-        state_type = Ticket::StateType.find(state.state_type_id)
-
        # set ticket to open again or keep create state
        if !mail['x-zammad-ticket-followup-state'.to_sym] && !mail['x-zammad-ticket-followup-state_id'.to_sym]
          new_state = Ticket::State.find_by(default_create: true)
@ -480,7 +477,7 @@ process unprocessable_mails (tmp/unprocessable_mail/*.eml) again
    path = Rails.root.join('tmp', 'unprocessable_mail')
    files = []
    Dir.glob("#{path}/*.eml") do |entry|
-      ticket, article, user, mail = Channel::EmailParser.new.process(params, IO.binread(entry))
+      ticket, _article, _user, _mail = Channel::EmailParser.new.process(params, IO.binread(entry))
      next if ticket.blank?

      files.push entry
@ -608,15 +605,13 @@ process unprocessable_mails (tmp/unprocessable_mail/*.eml) again
    file.header.fields.each do |field|

      # full line, encode, ready for storage
-
      value = field.to_utf8
      if value.blank?
        value = field.raw_value
      end
      headers_store[field.name.to_s] = value
-    rescue => e
+    rescue
      headers_store[field.name.to_s] = field.raw_value
-
    end

    # cleanup content id, <> will be added automatically later
--- a/app/models/channel/filter/monitoring_base.rb
+++ b/app/models/channel/filter/monitoring_base.rb
@ -80,9 +80,6 @@ class Channel::Filter::MonitoringBase
                        end
    end

-    # check if ticket with host is open
-    customer = User.lookup(id: session_user_id)
-
    # follow up detection by meta data
    open_states = Ticket::State.by_category(:open)
    ticket_ids = Ticket.where(state: open_states).order(created_at: :desc).limit(5000).pluck(:id)
--- a/app/models/concerns/checks_condition_validation.rb
+++ b/app/models/concerns/checks_condition_validation.rb
@ -26,7 +26,7 @@ module ChecksConditionValidation
      value:    1,
    }

-    ticket_count, tickets = Ticket.selectors(validate_condition, limit: 1, current_user: User.find(1))
+    ticket_count, _tickets = Ticket.selectors(validate_condition, limit: 1, current_user: User.find(1))
    return true if ticket_count.present?

    raise Exceptions::UnprocessableEntity, 'Invalid ticket selector conditions'
--- a/app/models/concerns/has_groups.rb
+++ b/app/models/concerns/has_groups.rb
@ -248,7 +248,7 @@ module HasGroups
    return if group_access_buffer.nil?

    yield
-    group_access_buffer = nil
+    self.group_access_buffer = nil
    cache_delete
  end

--- a/app/models/job.rb
+++ b/app/models/job.rb
@ -135,7 +135,7 @@ job.run(true)
  end

  def matching_count
-    ticket_count, tickets = Ticket.selectors(condition, limit: 1)
+    ticket_count, _tickets = Ticket.selectors(condition, limit: 1)
    ticket_count || 0
  end

--- a/app/models/knowledge_base/answer.rb
+++ b/app/models/knowledge_base/answer.rb
@ -49,7 +49,7 @@ class KnowledgeBase::Answer < ApplicationModel
    end

    data = ApplicationModel::CanAssets.reduce(siblings, data)
-    data = ApplicationModel::CanAssets.reduce(translations, data)
+    ApplicationModel::CanAssets.reduce(translations, data)
  end

  attachments_cleanup!
--- a/app/models/knowledge_base/category.rb
+++ b/app/models/knowledge_base/category.rb
@ -50,7 +50,7 @@ class KnowledgeBase::Category < ApplicationModel
    data = ApplicationModel::CanAssets.reduce(translations, data)

    # include parent category or KB for root to have full path
-    data = (parent || knowledge_base).assets(data)
+    (parent || knowledge_base).assets(data)
  end

  def self_parent?(candidate)
--- a/app/models/object_manager/attribute.rb
+++ b/app/models/object_manager/attribute.rb
@ -54,7 +54,6 @@ list of all attributes
    result = ObjectManager::Attribute.all.order('position ASC, name ASC')
    references = ObjectManager::Attribute.attribute_to_references_hash
    attributes = []
-    assets = {}
    result.each do |item|
      attribute = item.attributes
      attribute[:object] = ObjectLookup.by_id(item.object_lookup_id)
@ -908,7 +907,7 @@ is certain attribute used by triggers, overviews or schedulers
    # fixes issue #2236 - Naming an attribute "attribute" causes ActiveRecord failure
    begin
      ObjectLookup.by_id(object_lookup_id).constantize.instance_method_already_implemented? name
-    rescue  ActiveRecord::DangerousAttributeError => e
+    rescue  ActiveRecord::DangerousAttributeError
      raise "#{name} is a reserved word, please choose a different one"
    end

--- a/app/models/object_manager/attribute/validation/required.rb
+++ b/app/models/object_manager/attribute/validation/required.rb
@ -22,7 +22,7 @@ class ObjectManager::Attribute::Validation::Required < ObjectManager::Attribute:
  end

  def user_id
-    user_id ||= UserInfo.current_user_id
+    @user_id ||= UserInfo.current_user_id
  end

  def user
--- a/app/models/observer/sla/ticket_rebuild_escalation.rb
+++ b/app/models/observer/sla/ticket_rebuild_escalation.rb
@ -25,7 +25,6 @@ class Observer::Sla::TicketRebuildEscalation < ActiveRecord::Observer

    # check if condition has changed
    changed = false
-    fields_to_check = nil
    fields_to_check = if record.class == Sla
                        %w[condition calendar_id first_response_time update_time solution_time]
                      else
--- a/app/models/observer/transaction.rb
+++ b/app/models/observer/transaction.rb
@ -217,7 +217,6 @@ class Observer::Transaction < ActiveRecord::Observer
    # do not send anything if nothing has changed
    return true if real_changes.blank?

-    changed_by_id = nil
    changed_by_id = if record.respond_to?('updated_by_id')
                      record.updated_by_id
                    else
--- a/app/models/package.rb
+++ b/app/models/package.rb
@ -505,8 +505,6 @@ execute all pending package migrations at once

      return true if !File.exist?(location)

-      migrations_done = Package::Migration.where(name: package.underscore)
-
      # get existing migrations
      migrations_existing = []
      Dir.foreach(location) do |entry|
--- a/app/models/store.rb
+++ b/app/models/store.rb
@ -287,7 +287,6 @@ returns
    local_sha = Digest::SHA256.hexdigest(content)

    cache_key = "image-resize-#{local_sha}_#{width}"
-    all = nil
    image = Cache.get(cache_key)
    return image if image

--- a/app/models/store/provider/file.rb
+++ b/app/models/store/provider/file.rb
@ -108,7 +108,7 @@ class Store::Provider::File
    if !File.exist?(location)
      FileUtils.mkdir_p(location)
    end
-    full_path = location += file
+    full_path = location + file
    full_path.gsub('//', '/')
  end

--- a/app/models/text_module.rb
+++ b/app/models/text_module.rb
@ -100,7 +100,7 @@ push text_modules to online

    # set new translator_key if given
    if result.data['translator_key']
-      translator_key = Setting.set('translator_key', result.data['translator_key'])
+      Setting.set('translator_key', result.data['translator_key'])
    end

    true
--- a/app/models/ticket.rb
+++ b/app/models/ticket.rb
@ -197,7 +197,7 @@ returns
    tickets.each do |ticket|

      # get sla
-      sla = ticket.escalation_calculation_get_sla
+      ticket.escalation_calculation_get_sla

      article_id = nil
      article = Ticket::Article.last_customer_agent_article(ticket.id)
@ -1129,10 +1129,8 @@ perform active triggers on ticket
          return [true, message]
        end

-        local_send_notification = true
        if article && send_notification == false && trigger.perform['notification.email'] && trigger.perform['notification.email']['recipient']
          recipient = trigger.perform['notification.email']['recipient']
-          local_send_notification = false
          local_options[:send_notification] = false
          if recipient.include?('ticket_customer') || recipient.include?('article_last_sender')
            logger.info { "Skip trigger (#{trigger.name}/#{trigger.id}) because sender do not want to get auto responder for object (Ticket/#{ticket.id}/Article/#{article.id})" }
@ -1576,7 +1574,7 @@ result
    ).render.html2text.tr(' ', ' ') # convert non-breaking space to simple space

    # attributes content_type is not needed for SMS
-    article = Ticket::Article.create(
+    Ticket::Article.create(
      ticket_id:     id,
      subject:       'SMS notification',
      to:            sms_recipients_to,
--- a/app/models/transaction/notification.rb
+++ b/app/models/transaction/notification.rb
@ -88,7 +88,6 @@ class Transaction::Notification
    end

    # send notifications
-    recipient_list = ''
    recipients_and_channels.each do |item|
      user = item[:user]
      channels = item[:channels]
--- a/app/models/translation.rb
+++ b/app/models/translation.rb
@ -90,7 +90,7 @@ push translations to online

    # set new translator_key if given
    if result.data['translator_key']
-      translator_key = Setting.set('translator_key', result.data['translator_key'])
+      Setting.set('translator_key', result.data['translator_key'])
    end

    true
@ -147,7 +147,6 @@ get list of translations
                     Translation.where(locale: locale.downcase).where.not(target: '').order(:source)
                   end
    translations.each do |item|
-      translation_item = []
      translation_item = if admin
                           [
                             item.id,
@ -405,7 +404,7 @@ Get source file at https://i18n.zammad.com/api/v1/translations_empty_translation
      col_sep: ',',
    }
    rows = ::CSV.parse(content, params)
-    header = rows.shift
+    rows.shift  # remove header

    translation_raw = []
    rows.each do |row|
--- a/app/models/user.rb
+++ b/app/models/user.rb
@ -441,7 +441,6 @@ returns

  def permissions?(key)
    keys = key
-    names = []
    if key.class == String
      keys = [key]
    end
@ -715,8 +714,14 @@ returns

  def merge(user_id_of_duplicate_user)

-    # find email addresses and move them to primary user
-    duplicate_user = User.find(user_id_of_duplicate_user)
+    # Raise an exception if the user is not found (?)
+    #
+    # (This line used to contain a useless variable assignment,
+    # and was changed to satisfy the linter.
+    # We're not certain of its original intention,
+    # so the User.find call has been kept
+    # to prevent any unexpected regressions.)
+    User.find(user_id_of_duplicate_user)

    # merge missing attibutes
    Models.merge('User', id, user_id_of_duplicate_user)
--- a/db/migrate/20170910000002_out_of_office2.rb
+++ b/db/migrate/20170910000002_out_of_office2.rb
@ -22,7 +22,6 @@ class OutOfOffice2 < ActiveRecord::Migration[4.2]
    end

    role_ids = Role.with_permissions(['ticket.agent']).map(&:id)
-    overview_role = Role.find_by(name: 'Agent')
    Overview.create_or_update(
      name:          'My replacement Tickets',
      link:          'my_replacement_tickets',
--- a/lib/core_ext/string.rb
+++ b/lib/core_ext/string.rb
@ -153,19 +153,20 @@ class String
          text_compare.downcase!
          text_compare.sub!(%r{/$}, '')
        end
-        placeholder = if link_compare.present? && text_compare.blank?
-                        link
-                      elsif link_compare.blank? && text_compare.present?
-                        text
-                      elsif link_compare && link_compare =~ /^mailto/i
-                        text
-                      elsif link_compare.present? && text_compare.present? && (link_compare == text_compare || link_compare == "mailto:#{text}".downcase || link_compare == "http://#{text}".downcase)
-                        "######LINKEXT:#{link}/TEXT:#{text}######"
-                      elsif text !~ /^http/
-                        "#{text} (######LINKRAW:#{link}######)"
-                      else
-                        "#{link} (######LINKRAW:#{text}######)"
-                      end
+
+        if link_compare.present? && text_compare.blank?
+          link
+        elsif link_compare.blank? && text_compare.present?
+          text
+        elsif link_compare && link_compare =~ /^mailto/i
+          text
+        elsif link_compare.present? && text_compare.present? && (link_compare == text_compare || link_compare == "mailto:#{text}".downcase || link_compare == "http://#{text}".downcase)
+          "######LINKEXT:#{link}/TEXT:#{text}######"
+        elsif text !~ /^http/
+          "#{text} (######LINKRAW:#{link}######)"
+        else
+          "#{link} (######LINKRAW:#{text}######)"
+        end
      end
    end

@ -180,10 +181,10 @@ class String

    # pre/code handling 1/2
    string.gsub!(%r{<pre>(.+?)</pre>}m) do |placeholder|
-      placeholder = placeholder.gsub(/\n/, '###BR###')
+      placeholder.gsub(/\n/, '###BR###')
    end
    string.gsub!(%r{<code>(.+?)</code>}m) do |placeholder|
-      placeholder = placeholder.gsub(/\n/, '###BR###')
+      placeholder.gsub(/\n/, '###BR###')
    end

    # insert spaces on [A-z]\n[A-z]
@ -231,11 +232,12 @@ class String
        if content.match?(/^www/i)
          content = "http://#{content}"
        end
-        placeholder = if content =~ /^(http|https|ftp|tel)/i
-                        "#{pre}######LINKRAW:#{content}#######{post}"
-                      else
-                        "#{pre}#{content}#{post}"
-                      end
+
+        if content =~ /^(http|https|ftp|tel)/i
+          "#{pre}######LINKRAW:#{content}#######{post}"
+        else
+          "#{pre}#{content}#{post}"
+        end
      end
    end

@ -374,7 +376,7 @@ class String
      ]
      map.each do |regexp|
        string.sub!(/#{regexp}/m) do |placeholder|
-          placeholder = "#{marker}#{placeholder}"
+          "#{marker}#{placeholder}"
        end
      end
      return string
@ -388,7 +390,7 @@ class String

    # search for signature separator "--\n"
    string.sub!(/^\s{0,2}--\s{0,2}$/) do |placeholder|
-      placeholder = "#{marker}#{placeholder}"
+      "#{marker}#{placeholder}"
    end

    map = {}
@ -444,14 +446,12 @@ class String
    #map['word-en-de'] = "[^#{marker}].{1,250}\s(wrote|schrieb):"

    map.each_value do |regexp|
-
      string.sub!(/#{regexp}/) do |placeholder|
-        placeholder = "#{marker}#{placeholder}"
+        "#{marker}#{placeholder}"
+      rescue
+        # regexp was not possible because of some string encoding issue, use next
+        Rails.logger.debug { "Invalid string/charset combination with regexp #{regexp} in string" }
      end
-    rescue
-      # regexp was not possible because of some string encoding issue, use next
-      Rails.logger.debug { "Invalid string/charset combination with regexp #{regexp} in string" }
-
    end

    string
--- a/lib/external_credential/twitter.rb
+++ b/lib/external_credential/twitter.rb
@ -155,7 +155,7 @@ class ExternalCredential::Twitter
    # verify if webhook is already registered
    begin
      webhooks = client.webhooks_by_env_name(env_name)
-    rescue => e
+    rescue
      begin
        webhooks = client.webhooks
        raise "Unable to get list of webooks. You use the wrong 'Dev environment label', only #{webhooks.inspect} available."
--- a/lib/fill_db.rb
+++ b/lib/fill_db.rb
@ -143,7 +143,7 @@ or if you only want to create 100 tickets
    if !overviews.zero?
      (1..overviews).each do
        ActiveRecord::Base.transaction do
-          overview = Overview.create!(
+          Overview.create!(
            name:      "Filloverview::#{rand(999_999)}",
            role_ids:  [Role.find_by(name: 'Agent').id],
            condition: {
@ -190,7 +190,7 @@ or if you only want to create 100 tickets
        )

        # create article
-        article = Ticket::Article.create!(
+        Ticket::Article.create!(
          ticket_id:     ticket.id,
          from:          customer.email,
          to:            'some_recipient@example.com',
--- a/lib/html_sanitizer.rb
+++ b/lib/html_sanitizer.rb
@ -193,7 +193,6 @@ satinize html string based on whiltelist
        end
      end

-      new_string = ''
      done = true
      while done
        new_string = Loofah.fragment(string).scrub!(scrubber_wipe).to_s
@ -205,7 +204,7 @@ satinize html string based on whiltelist

      Loofah.fragment(string).scrub!(scrubber_link).to_s
    end
-  rescue Timeout::Error => e
+  rescue Timeout::Error
    UNPROCESSABLE_HTML_MSG
  end

@ -237,7 +236,7 @@ cleanup html string:
      string = cleanup_structure(string)
      string
    end
-  rescue Timeout::Error => e
+  rescue Timeout::Error
    UNPROCESSABLE_HTML_MSG
  end

@ -302,7 +301,6 @@ cleanup html string:
      end
    end

-    new_string = ''
    done = true
    while done
      new_string = Loofah.fragment(string).scrub!(scrubber_structure).to_s
--- a/lib/import/exchange/item_attributes.rb
+++ b/lib/import/exchange/item_attributes.rb
@ -15,7 +15,7 @@ module Import
          properties  = @resource.get_all_properties!
          result      = normalize(properties)
          flattened   = flatten(result)
-          booleanized = booleanize_values(flattened)
+          booleanize_values(flattened)
        end
      end

--- a/lib/import/otrs/article_customer.rb
+++ b/lib/import/otrs/article_customer.rb
@ -5,7 +5,7 @@ module Import

      def initialize(article)
        import(article)
-      rescue Exceptions::UnprocessableEntity => e
+      rescue Exceptions::UnprocessableEntity
        log "ERROR: Can't extract customer from Article #{article[:id]}"
      end

--- a/lib/import/zendesk/object_attribute/base.rb
+++ b/lib/import/zendesk/object_attribute/base.rb
@ -18,7 +18,7 @@ module Import
        def add(object, name, attribute)
          ObjectManager::Attribute.add( attribute_config(object, name, attribute) )
          ObjectManager::Attribute.migration_execute(false)
-        rescue => e
+        rescue
          # rubocop:disable Style/SpecialGlobalVars
          raise $!, "Problem with ObjectManager Attribute '#{name}': #{$!}", $!.backtrace
          # rubocop:enable Style/SpecialGlobalVars
--- a/lib/report/article_by_type_sender.rb
+++ b/lib/report/article_by_type_sender.rb
@ -22,11 +22,6 @@ returns
  def self.aggs(params_origin)
    params = params_origin.dup

-    interval = params[:interval]
-    if params[:interval] == 'week'
-      interval = 'day'
-    end
-
    result = []
    if params[:interval] == 'month'
      stop_interval = 12
--- a/lib/report/base.rb
+++ b/lib/report/base.rb
@ -263,7 +263,6 @@ class Report::Base
    query, bind_params, tables = Ticket.selector2sql(data[:condition])
    ticket_list = Ticket.where('tickets.created_at >= ? AND tickets.created_at <= ?', data[:start], data[:end])
                        .where(query, *bind_params).joins(tables)
-    tickets = 0
    time_min = 0
    ticket_ids = []
    ticket_list.each do |ticket|
@ -301,7 +300,6 @@ class Report::Base
    query, bind_params, tables = Ticket.selector2sql(data[:condition])
    ticket_list = Ticket.where('tickets.created_at >= ? AND tickets.created_at <= ?', data[:start], data[:end])
                        .where(query, *bind_params).joins(tables)
-    tickets = 0
    time_max = 0
    ticket_ids = []
    ticket_list.each do |ticket|
@ -334,7 +332,6 @@ class Report::Base

  def self.ticket_condition(ticket_id, condition)
    ticket = Ticket.lookup( id: ticket_id )
-    match = true
    condition.each do |key, value|
      if ticket[key.to_sym] != value
        return false
--- a/lib/report/ticket_first_solution.rb
+++ b/lib/report/ticket_first_solution.rb
@ -17,10 +17,6 @@ returns

  def self.aggs(params_origin)
    params = params_origin.dup
-    interval = params[:interval]
-    if params[:interval] == 'week'
-      interval = 'day'
-    end

    result = []
    if params[:interval] == 'month'
--- a/lib/report/ticket_moved.rb
+++ b/lib/report/ticket_moved.rb
@ -26,11 +26,6 @@ returns
      return [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
    end

-    interval = params[:interval]
-    if params[:interval] == 'week'
-      interval = 'day'
-    end
-
    result = []
    if params[:interval] == 'month'
      stop_interval = 12
@ -113,7 +108,6 @@ returns
      }
    end
    local_params = group_attributes(selector, params)
-    local_selector = params[:selector].clone
    without_merged_tickets = {
      'ticket_state.name' => {
        'operator' => 'is not',
--- a/lib/report/ticket_reopened.rb
+++ b/lib/report/ticket_reopened.rb
@ -20,11 +20,6 @@ returns
    params = params_origin.dup
    ticket_state_ids = ticket_ids

-    interval = params[:interval]
-    if params[:interval] == 'week'
-      interval = 'day'
-    end
-
    result = []
    if params[:interval] == 'month'
      stop_interval = 12
--- a/lib/search_knowledge_base_backend.rb
+++ b/lib/search_knowledge_base_backend.rb
@ -171,7 +171,7 @@ class SearchKnowledgeBaseBackend
      }
    end

-    if (scope = @params.fetch(:scope, nil))
+    if @params.fetch(:scope, nil)
      scope = { terms: { scope_id: @cached_scope_ids } }

      output[:query_extension][:bool][:must].push scope
--- a/lib/sequencer/unit/import/common/model/skip/missing_mandatory/base.rb
+++ b/lib/sequencer/unit/import/common/model/skip/missing_mandatory/base.rb
@ -37,7 +37,7 @@ class Sequencer
                def mandatory_missing?
                  values = attribute_value.fetch_values(*mandatory)
                  values.none?(&:present?)
-                rescue KeyError => e
+                rescue KeyError
                  false
                end
              end
--- a/lib/sequencer/unit/import/zendesk/tickets.rb
+++ b/lib/sequencer/unit/import/zendesk/tickets.rb
@ -35,7 +35,7 @@ class Sequencer
          # per request
          def update_ticket_count
            update_import_job
-            previous_page = next_page
+            next_page
          end

          attr_accessor :previous_page
--- a/lib/service/geo_location/gmaps.rb
+++ b/lib/service/geo_location/gmaps.rb
@ -23,7 +23,7 @@ class Service::GeoLocation::Gmaps

    lat = result['results'].first['geometry']['location']['lat']
    lng = result['results'].first['geometry']['location']['lng']
-    latlng = [lat, lng]
+    [lat, lng]
  end

  def self.reverse_geocode(lat, lng)
--- a/lib/sessions.rb
+++ b/lib/sessions.rb
@ -440,7 +440,6 @@ returns
      files.push entry
    end
    files.sort.each do |entry|
-      filename = "#{path}/#{entry}"
      next if entry !~ /^send/

      message = Sessions.queue_file_read(path, entry)
--- a/lib/sessions/backend/ticket_overview_list.rb
+++ b/lib/sessions/backend/ticket_overview_list.rb
@ -72,7 +72,6 @@ class Sessions::Backend::TicketOverviewList < Sessions::Backend::Base
    # push overview index
    indexes = []
    index_and_lists.each do |index|
-      assets = {}
      overview = Overview.lookup(id: index[:overview][:id])
      next if !overview

--- a/lib/stats/ticket_escalation.rb
+++ b/lib/stats/ticket_escalation.rb
@ -20,7 +20,6 @@ class Stats::TicketEscalation
    ).count

    average = '-'
-    state = 'supergood'
    state = if own_escalated.zero?
              'supergood'
            elsif own_escalated <= 1
--- a/lib/stats/ticket_response_time.rb
+++ b/lib/stats/ticket_response_time.rb
@ -23,7 +23,6 @@ class Stats::TicketResponseTime

  def self.generate(user)
    items = StatsStore.where('created_at > ? AND created_at < ?', Time.zone.now - 7.days, Time.zone.now).where(key: 'ticket:response_time')
-    count_total = items.count
    total = 0
    count_own = 0
    own = 0
--- a/lib/stats/ticket_waiting_time.rb
+++ b/lib/stats/ticket_waiting_time.rb
@ -25,7 +25,6 @@ class Stats::TicketWaitingTime
      average_per_agent = (average_per_agent / 60).round
    end

-    state   = 'supergood'
    percent = 0
    state   = if handling_time <= 60
                percent = handling_time.to_f / 60
--- a/lib/tasks/zammad/ci/service/puma/start.rake
+++ b/lib/tasks/zammad/ci/service/puma/start.rake
@ -24,7 +24,7 @@ namespace :zammad do
            env
          ]

-          stdout, stderr, status = Open3.capture3(*command)
+          _stdout, stderr, status = Open3.capture3(*command)

          next if status.success?

--- a/lib/tasks/zammad/ci/service/scheduler/start.rake
+++ b/lib/tasks/zammad/ci/service/scheduler/start.rake
@ -16,7 +16,7 @@ namespace :zammad do
            'start',
          ]

-          stdout, stderr, status = Open3.capture3(*command)
+          _stdout, stderr, status = Open3.capture3(*command)

          next if status.success?

--- a/lib/tasks/zammad/ci/service/scheduler/stop.rake
+++ b/lib/tasks/zammad/ci/service/scheduler/stop.rake
@ -16,7 +16,7 @@ namespace :zammad do
            'stop',
          ]

-          stdout, stderr, status = Open3.capture3(*command)
+          _stdout, stderr, status = Open3.capture3(*command)

          next if status.success?

--- a/lib/tasks/zammad/ci/service/websocket/start.rake
+++ b/lib/tasks/zammad/ci/service/websocket/start.rake
@ -20,7 +20,7 @@ namespace :zammad do
            port
          ]

-          stdout, stderr, status = Open3.capture3(*command)
+          _stdout, stderr, status = Open3.capture3(*command)

          next if status.success?

--- a/lib/tasks/zammad/ci/service/websocket/stop.rake
+++ b/lib/tasks/zammad/ci/service/websocket/stop.rake
@ -16,7 +16,7 @@ namespace :zammad do
            'stop',
          ]

-          stdout, stderr, status = Open3.capture3(*command)
+          _stdout, stderr, status = Open3.capture3(*command)

          next if status.success?

--- a/lib/twitter_sync.rb
+++ b/lib/twitter_sync.rb
@ -345,10 +345,6 @@ class TwitterSync

    # import tweet
    to = nil
-    from = nil
-    article_type = nil
-    in_reply_to = nil
-    twitter_preferences = {}
    raise "Unknown tweet type '#{tweet.class}'" if tweet.class != Twitter::Tweet

    article_type = 'twitter status'
@ -504,7 +500,6 @@ create a tweet ot direct message from an article

  def get_state(channel, tweet, ticket = nil)

-    user_id = nil
    user_id = if tweet.is_a?(Hash)
                if tweet['user'] && tweet['user']['id']
                  tweet['user']['id']
--- a/script/websocket-server.rb
+++ b/script/websocket-server.rb
@ -64,7 +64,6 @@ before_fork
  i: "#{dir}/tmp/pids/websocket.pid"
 }

-tls_options = {}
 OptionParser.new do |opts|
  opts.banner = 'Usage: websocket-server.rb start|stop [options]'

--- a/spec/db/migrate/issue_1977_remove_invalid_user_foreign_keys_spec.rb
+++ b/spec/db/migrate/issue_1977_remove_invalid_user_foreign_keys_spec.rb
@ -12,7 +12,7 @@ RSpec.describe Issue1977RemoveInvalidUserForeignKeys, type: :db_migration do
        without_foreign_key(:online_notifications, column: :user_id)

        create(:online_notification, user_id: 1337)
-        valid = create(:online_notification, user_id: existing_user_id)
+        create(:online_notification, user_id: existing_user_id)

        expect do
          migrate
@ -24,7 +24,7 @@ RSpec.describe Issue1977RemoveInvalidUserForeignKeys, type: :db_migration do
        without_foreign_key(:recent_views, column: :created_by_id)

        create(:recent_view, created_by_id: 1337)
-        valid = create(:recent_view, created_by_id: existing_user_id)
+        create(:recent_view, created_by_id: existing_user_id)

        expect do
          migrate
@ -35,8 +35,8 @@ RSpec.describe Issue1977RemoveInvalidUserForeignKeys, type: :db_migration do
        without_foreign_key(:online_notifications, column: :user_id)

        create(:avatar, object_lookup_id: ObjectLookup.by_name('User'), o_id: 1337)
-        valid_ticket = create(:avatar, object_lookup_id: ObjectLookup.by_name('Ticket'), o_id: 1337)
-        valid_user   = create(:avatar, object_lookup_id: ObjectLookup.by_name('User'), o_id: existing_user_id)
+        create(:avatar, object_lookup_id: ObjectLookup.by_name('Ticket'), o_id: 1337)
+        create(:avatar, object_lookup_id: ObjectLookup.by_name('User'), o_id: existing_user_id)

        expect do
          migrate
--- a/spec/jobs/ticket_user_ticket_counter_job_spec.rb
+++ b/spec/jobs/ticket_user_ticket_counter_job_spec.rb
@ -4,13 +4,15 @@ RSpec.describe TicketUserTicketCounterJob, type: :job do

  let!(:customer) { create(:user) }

-  let!(:tickets) do
-    ticket_states = {
+  let!(:ticket_states) do
+    {
      open:   Ticket::State.by_category(:open).first,
      closed: Ticket::State.by_category(:closed).first,
    }
+  end

-    tickets = {
+  let!(:tickets) do
+    {
      open:   [
        create(:ticket, state_id: ticket_states[:open].id, customer_id: customer.id),
        create(:ticket, state_id: ticket_states[:open].id, customer_id: customer.id),
--- a/spec/lib/import/zendesk/object_attribute/dropdown_spec.rb
+++ b/spec/lib/import/zendesk/object_attribute/dropdown_spec.rb
@ -67,6 +67,6 @@ RSpec.describe Import::Zendesk::ObjectAttribute::Dropdown do
    expect(ObjectManager::Attribute).to receive(:add).with(expected_structure)
    expect(ObjectManager::Attribute).to receive(:migration_execute)

-    created_instance = described_class.new('Ticket', 'example_field', attribute)
+    described_class.new('Ticket', 'example_field', attribute)
  end
 end
--- a/spec/lib/import/zendesk/object_attribute/tagger_spec.rb
+++ b/spec/lib/import/zendesk/object_attribute/tagger_spec.rb
@ -67,6 +67,6 @@ RSpec.describe Import::Zendesk::ObjectAttribute::Tagger do
    expect(ObjectManager::Attribute).to receive(:add).with(expected_structure)
    expect(ObjectManager::Attribute).to receive(:migration_execute)

-    created_instance = described_class.new('Ticket', 'example_field', attribute)
+    described_class.new('Ticket', 'example_field', attribute)
  end
 end
--- a/spec/lib/ldap/user_spec.rb
+++ b/spec/lib/ldap/user_spec.rb
@ -96,7 +96,7 @@ RSpec.describe Ldap::User do
        connection = double()
        expect(mocked_ldap).to receive(:connection).and_return(connection)

-        ldap_entry = build(:ldap_entry)
+        build(:ldap_entry)

        expect(mocked_ldap).to receive(:base_dn)
        expect(connection).to receive(:bind_as).and_return(true)
@ -108,7 +108,7 @@ RSpec.describe Ldap::User do
        connection = double()
        expect(mocked_ldap).to receive(:connection).and_return(connection)

-        ldap_entry = build(:ldap_entry)
+        build(:ldap_entry)

        expect(mocked_ldap).to receive(:base_dn)
        expect(connection).to receive(:bind_as).and_return(false)
--- a/spec/lib/notification_factory/renderer_spec.rb
+++ b/spec/lib/notification_factory/renderer_spec.rb
@ -32,7 +32,7 @@ RSpec.describe NotificationFactory::Renderer do
    end

    it 'correctly renders simple select attributes' do
-      attribute = create :object_manager_attribute_select, name: 'select'
+      create :object_manager_attribute_select, name: 'select'
      ObjectManager::Attribute.migration_execute

      ticket = create :ticket, customer: @user, select: 'key_1'
@ -52,9 +52,9 @@ RSpec.describe NotificationFactory::Renderer do
    end

    it 'correctly renders select attributes on chained user object' do
-      attribute = create :object_manager_attribute_select,
-                         object_lookup_id: ObjectLookup.by_name('User'),
-                         name:             'select'
+      create :object_manager_attribute_select,
+             object_lookup_id: ObjectLookup.by_name('User'),
+             name:             'select'
      ObjectManager::Attribute.migration_execute

      user = User.where(firstname: 'Nicole').first
@ -77,9 +77,9 @@ RSpec.describe NotificationFactory::Renderer do
    end

    it 'correctly renders select attributes on chained group object' do
-      attribute = create :object_manager_attribute_select,
-                         object_lookup_id: ObjectLookup.by_name('Group'),
-                         name:             'select'
+      create :object_manager_attribute_select,
+             object_lookup_id: ObjectLookup.by_name('Group'),
+             name:             'select'
      ObjectManager::Attribute.migration_execute

      ticket = create :ticket, customer: @user
@ -102,9 +102,9 @@ RSpec.describe NotificationFactory::Renderer do
    end

    it 'correctly renders select attributes on chained organization object' do
-      attribute = create :object_manager_attribute_select,
-                         object_lookup_id: ObjectLookup.by_name('Organization'),
-                         name:             'select'
+      create :object_manager_attribute_select,
+             object_lookup_id: ObjectLookup.by_name('Organization'),
+             name:             'select'
      ObjectManager::Attribute.migration_execute

      @user.organization.select = 'key_2'
@ -126,7 +126,7 @@ RSpec.describe NotificationFactory::Renderer do
    end

    it 'correctly renders tree select attributes' do
-      attribute = create :object_manager_attribute_tree_select, name: 'tree_select'
+      create :object_manager_attribute_tree_select, name: 'tree_select'
      ObjectManager::Attribute.migration_execute

      ticket = create :ticket, customer: @user, tree_select: 'Incident::Hardware::Laptop'
--- a/spec/lib/sequencer/unit/import/common/model/reset_primary_key_sequence_spec.rb
+++ b/spec/lib/sequencer/unit/import/common/model/reset_primary_key_sequence_spec.rb
@ -8,8 +8,6 @@ RSpec.describe Sequencer::Unit::Import::Common::Model::ResetPrimaryKeySequence,

    expect(DbHelper).to receive(:import_post).with(model_class.table_name)

-    provided = process(
-      model_class: model_class,
-    )
+    process(model_class: model_class)
  end
 end
--- a/spec/models/trigger/sms_spec.rb
+++ b/spec/models/trigger/sms_spec.rb
@ -9,15 +9,15 @@ RSpec.describe Trigger do
      another_agent = create(:admin_user, mobile: '+37061010000')
      Group.lookup(id: 1).users << another_agent

-      channel = create(:channel, area: 'Sms::Notification')
-      trigger = create(:trigger,
-                       disable_notification: false,
-                       perform:              {
-                         'notification.sms': {
-                           recipient: 'ticket_agents',
-                           body:      'space&nbsp;between #{ticket.title}', # rubocop:disable Lint/InterpolationCheck
-                         }
-                       })
+      create(:channel, area: 'Sms::Notification')
+      create(:trigger,
+             disable_notification: false,
+             perform:              {
+               'notification.sms': {
+                 recipient: 'ticket_agents',
+                 body:      'space&nbsp;between #{ticket.title}', # rubocop:disable Lint/InterpolationCheck
+               }
+             })

      ticket = create(:ticket, group: Group.lookup(id: 1), created_by_id: agent.id)
      Observer::Transaction.commit
--- a/spec/requests/integration/monitoring_spec.rb
+++ b/spec/requests/integration/monitoring_spec.rb
@ -257,7 +257,6 @@ RSpec.describe 'Monitoring', type: :request do

      expect(json_response).to be_a_kind_of(Hash)
      expect(json_response['token']).to be_truthy
-      token = json_response['token']
      expect(json_response['error']).to be_falsey

    end
--- a/spec/requests/integration/object_manager_attributes_spec.rb
+++ b/spec/requests/integration/object_manager_attributes_spec.rb
@ -11,7 +11,6 @@ RSpec.describe 'ObjectManager Attributes', type: :request do
    it 'does add new ticket text object' do
      authenticated_as(admin_user)
      post '/api/v1/object_manager_attributes', params: {}, as: :json
-      token = response.headers['CSRF-TOKEN']

      # token based on headers
      params = {
@ -59,7 +58,6 @@ RSpec.describe 'ObjectManager Attributes', type: :request do
    it 'does add new ticket text object - no default' do
      authenticated_as(admin_user)
      post '/api/v1/object_manager_attributes', params: {}, as: :json
-      token = response.headers['CSRF-TOKEN']

      # token based on headers
      params = {
@ -113,7 +111,6 @@ RSpec.describe 'ObjectManager Attributes', type: :request do

      authenticated_as(admin_user)
      post "/api/v1/object_manager_attributes/#{object.id}", params: {}, as: :json
-      token = response.headers['CSRF-TOKEN']

      # parameters for updating
      params = {
@ -162,7 +159,6 @@ RSpec.describe 'ObjectManager Attributes', type: :request do
    it 'does add new ticket boolean object' do
      authenticated_as(admin_user)
      post '/api/v1/object_manager_attributes', params: {}, as: :json
-      token = response.headers['CSRF-TOKEN']

      # token based on headers
      params = {
@ -211,7 +207,6 @@ RSpec.describe 'ObjectManager Attributes', type: :request do
    it 'does add new user select object' do
      authenticated_as(admin_user)
      post '/api/v1/object_manager_attributes', params: {}, as: :json
-      token = response.headers['CSRF-TOKEN']

      # token based on headers
      params = {
@ -277,7 +272,6 @@ RSpec.describe 'ObjectManager Attributes', type: :request do
      expect(migration).to eq(true)

      post "/api/v1/object_manager_attributes/#{object.id}", params: {}, as: :json
-      token = response.headers['CSRF-TOKEN']

      # parameters for updating
      params = {
@ -441,7 +435,7 @@ RSpec.describe 'ObjectManager Attributes', type: :request do
    it 'does ticket attributes cannot be removed when it is referenced by an overview (03)', db_strategy: :reset do

      # 1. create a new ticket attribute and execute migration
-      migration = ObjectManager::Attribute.migration_execute
+      ObjectManager::Attribute.migration_execute

      params = {
        'name':        'test_attribute_referenced_by_an_overview',
@ -536,7 +530,7 @@ RSpec.describe 'ObjectManager Attributes', type: :request do
    it 'does ticket attributes cannot be removed when it is referenced by a trigger (04)', db_strategy: :reset do

      # 1. create a new ticket attribute and execute migration
-      migration = ObjectManager::Attribute.migration_execute
+      ObjectManager::Attribute.migration_execute

      params = {
        'name':        'test_attribute_referenced_by_a_trigger',
@ -622,7 +616,7 @@ RSpec.describe 'ObjectManager Attributes', type: :request do
    it 'does ticket attributes cannot be removed when it is referenced by a scheduler (05)', db_strategy: :reset do

      # 1. create a new ticket attribute and execute migration
-      migration = ObjectManager::Attribute.migration_execute
+      ObjectManager::Attribute.migration_execute

      params = {
        'name':        'test_attribute_referenced_by_a_scheduler',
@ -755,7 +749,7 @@ RSpec.describe 'ObjectManager Attributes', type: :request do
    it 'does ticket attributes can be removed when it is referenced by an overview but by user object (06)', db_strategy: :reset do

      # 1. create a new ticket attribute and execute migration
-      migration = ObjectManager::Attribute.migration_execute
+      ObjectManager::Attribute.migration_execute

      params = {
        'name':        'test_attribute_referenced_by_an_overview',
--- a/spec/requests/integration/twilio_sms_spec.rb
+++ b/spec/requests/integration/twilio_sms_spec.rb
@ -11,7 +11,6 @@ RSpec.describe 'Twilio SMS', type: :request do
    it 'does basic call' do

      # configure twilio channel
-      bot_id = 123_456_789
      group_id = Group.find_by(name: 'Users').id

      UserInfo.current_user_id = 1
@ -179,11 +178,8 @@ RSpec.describe 'Twilio SMS', type: :request do
      Observer::Transaction.commit
      Scheduler.worker(true)

-      # configure twilio channel
-      bot_id = 123_456_789
-
      UserInfo.current_user_id = 1
-      channel = create(
+      create(
        :channel,
        area:    'Sms::Account',
        options: {
--- a/spec/requests/ticket/article_attachments_spec.rb
+++ b/spec/requests/ticket/article_attachments_spec.rb
@ -68,7 +68,7 @@ RSpec.describe 'Ticket Article Attachments', type: :request do
    it 'does test attachments for split' do
      email_file_path  = Rails.root.join('test', 'data', 'mail', 'mail024.box')
      email_raw_string = File.read(email_file_path)
-      ticket_p, article_p, user_p = Channel::EmailParser.new.process({}, email_raw_string)
+      ticket_p, article_p, _user_p = Channel::EmailParser.new.process({}, email_raw_string)

      authenticated_as(agent_user)
      get '/api/v1/ticket_split', params: { form_id: '1234-2', ticket_id: ticket_p.id, article_id: article_p.id }, as: :json
@ -83,7 +83,7 @@ RSpec.describe 'Ticket Article Attachments', type: :request do
    it 'does test attachments for forward' do
      email_file_path  = Rails.root.join('test', 'data', 'mail', 'mail008.box')
      email_raw_string = File.read(email_file_path)
-      ticket_p, article_p, user_p = Channel::EmailParser.new.process({}, email_raw_string)
+      _ticket_p, article_p, _user_p = Channel::EmailParser.new.process({}, email_raw_string)

      authenticated_as(agent_user)
      post "/api/v1/ticket_attachment_upload_clone_by_article/#{article_p.id}", params: {}, as: :json
@ -98,7 +98,7 @@ RSpec.describe 'Ticket Article Attachments', type: :request do

      email_file_path  = Rails.root.join('test', 'data', 'mail', 'mail024.box')
      email_raw_string = File.read(email_file_path)
-      ticket_p, article_p, user_p = Channel::EmailParser.new.process({}, email_raw_string)
+      _ticket_p, article_p, _user_p = Channel::EmailParser.new.process({}, email_raw_string)

      post "/api/v1/ticket_attachment_upload_clone_by_article/#{article_p.id}", params: { form_id: '1234-2' }, as: :json
      expect(response).to have_http_status(:ok)
--- a/spec/requests/ticket/escalation_spec.rb
+++ b/spec/requests/ticket/escalation_spec.rb
@ -110,7 +110,7 @@ Subject: some value 123

 Some Text"

-      ticket_p, article_p, user_p, mail = Channel::EmailParser.new.process({}, email)
+      ticket_p, _article_p, user_p, _mail = Channel::EmailParser.new.process({}, email)
      ticket_p.reload
      expect(ticket_p.escalation_at).to be_truthy
      expect(ticket_p.first_response_escalation_at.to_i).to be_within(90.seconds).of((ticket_p.created_at + 1.hour).to_i)
--- a/spec/requests/ticket_spec.rb
+++ b/spec/requests/ticket_spec.rb
@ -1951,7 +1951,6 @@ RSpec.describe 'Ticket', type: :request do

    it 'does ticket search sorted (08.01)' do
      title = "ticket pagination #{rand(999_999_999)}"
-      tickets = []

      ticket1 = create(
        :ticket,
--- a/spec/requests/time_accounting_spec.rb
+++ b/spec/requests/time_accounting_spec.rb
@ -24,7 +24,7 @@ RSpec.describe 'Time Accounting API endpoints', type: :request do

    context 'when requesting a log report download' do
      it 'responds with an Excel spreadsheet' do
-        group   = create(:group)
+        create(:group)
        ticket  = create(:ticket, state: Ticket::State.lookup(name: 'open'), customer: customer )
        article = create(:ticket_article, ticket: ticket, type: Ticket::Article::Type.lookup(name: 'note') )

@ -46,7 +46,7 @@ RSpec.describe 'Time Accounting API endpoints', type: :request do
      it 'responds with an Excel spreadsheet' do
        ObjectManager::Attribute.add attributes_for :object_manager_attribute_select

-        group   = create(:group)
+        create(:group)
        ticket  = create(:ticket, state: Ticket::State.lookup(name: 'open'), customer: customer )
        article = create(:ticket_article, ticket: ticket, type: Ticket::Article::Type.lookup(name: 'note') )

--- a/test/browser/abb_one_group_test.rb
+++ b/test/browser/abb_one_group_test.rb
@ -14,7 +14,7 @@ class AgentTicketActionLevel0Test < TestCase
    tasks_close_all()

    # create new ticket
-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    '-NONE-',
@ -230,7 +230,7 @@ class AgentTicketActionLevel0Test < TestCase
    sleep 12

    # create new ticket
-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/admin_object_manager_test.rb
+++ b/test/browser/admin_object_manager_test.rb
@ -80,7 +80,7 @@ class AdminObjectManagerTest < TestCase
    )

    # create new ticket
-    ticket = ticket_create(
+    ticket_create(
      data:                {
        customer: 'nico',
        group:    'Users',
@ -283,7 +283,7 @@ class AdminObjectManagerTest < TestCase
    )

    # create new ticket
-    ticket = ticket_create(
+    ticket_create(
      data:                {
        customer: 'nico',
        group:    'Users',
@ -696,7 +696,7 @@ class AdminObjectManagerTest < TestCase
    )
    object_manager_attribute_migrate

-    ticket = ticket_create(
+    ticket_create(
      data:                {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/admin_overview_test.rb
+++ b/test/browser/admin_overview_test.rb
@ -41,7 +41,7 @@ class AdminOverviewTest < TestCase
    name = "overview_#{rand(99_999_999)}"
    ticket_titles = (1..3).map { |i| "Priority #{i} ticket" }

-    @browser = instance = browser_instance
+    @browser = browser_instance
    login(
      username: 'master@example.com',
      password: 'test',
--- a/test/browser/admin_role_test.rb
+++ b/test/browser/admin_role_test.rb
@ -2,8 +2,6 @@ require 'browser_test_helper'

 class AdminRoleTest < TestCase
  def test_role_device
-    name = "some role #{rand(99_999_999)}"
-
    @browser = browser_instance
    login(
      username: 'master@example.com',
--- a/test/browser/agent_navigation_and_title_test.rb
+++ b/test/browser/agent_navigation_and_title_test.rb
@ -67,7 +67,7 @@ class AgentNavigationAndTitleTest < TestCase
    exists_not(css: '#navigation .js-menu .is-active')

    # ticket zoom screen
-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/agent_ticket_attachment_test.rb
+++ b/test/browser/agent_ticket_attachment_test.rb
@ -315,7 +315,7 @@ class AgentTicketAttachmentTest < TestCase
    )
    tasks_close_all()

-    ticket1 = ticket_create(
+    ticket_create(
      data:          {
        customer: 'Nico',
        group:    'Users',
--- a/test/browser/agent_ticket_email_reply_keep_body_test.rb
+++ b/test/browser/agent_ticket_email_reply_keep_body_test.rb
@ -13,7 +13,7 @@ class AgentTicketEmailReplyKeepBodyTest < TestCase
    tasks_close_all()

    # create new ticket
-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -98,7 +98,7 @@ class AgentTicketEmailReplyKeepBodyTest < TestCase
  end

  def test_full_quote
-    @browser = instance = browser_instance
+    @browser = browser_instance
    login(
      username: 'master@example.com',
      password: 'test',
@ -174,7 +174,7 @@ class AgentTicketEmailReplyKeepBodyTest < TestCase

  # Regression test for issue #2344 - Missing translation for Full-Quote-Text "on xy wrote"
  def test_full_quote_german_locale
-    @browser = instance = browser_instance
+    @browser = browser_instance
    login(
      username: 'master@example.com',
      password: 'test',
--- a/test/browser/agent_ticket_macro_test.rb
+++ b/test/browser/agent_ticket_macro_test.rb
@ -101,7 +101,7 @@ class AgentTicketMacroTest < TestCase
      ux_flow_next_up: ux_flow_next_up,
    )

-    ticket = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/agent_ticket_online_notification_test.rb
+++ b/test/browser/agent_ticket_online_notification_test.rb
@ -13,7 +13,7 @@ class AgentTicketOnlineNotificationTest < TestCase
    tasks_close_all()

    # create new ticket
-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -66,7 +66,7 @@ class AgentTicketOnlineNotificationTest < TestCase
      no_quote: true,
    )

-    ticket2 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -92,7 +92,7 @@ class AgentTicketOnlineNotificationTest < TestCase
      css:     '.js-mark.hide',
    )

-    ticket3 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -138,7 +138,7 @@ class AgentTicketOnlineNotificationTest < TestCase
    items = browser2.find_elements(css: '.js-notificationsContainer .js-item.is-inactive')
    assert_equal(1, items.count)

-    ticket4 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -179,7 +179,7 @@ class AgentTicketOnlineNotificationTest < TestCase
      no_quote: true,
    )

-    ticket5 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -260,7 +260,7 @@ class AgentTicketOnlineNotificationTest < TestCase
    )
    online_notitifcation_close_all(browser: browser2)

-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -268,7 +268,7 @@ class AgentTicketOnlineNotificationTest < TestCase
        body:     'online notification render #1',
      },
    )
-    ticket2 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -301,7 +301,7 @@ class AgentTicketOnlineNotificationTest < TestCase
      css:     '.js-notificationsContainer .js-items .js-item:nth-child(2) .activity-text',
      value:   'render test 1',
    )
-    ticket3 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/agent_ticket_overview_group_by_organization_test.rb
+++ b/test/browser/agent_ticket_overview_group_by_organization_test.rb
@ -21,14 +21,14 @@ class AgentTicketOverviewGroupByOrganizationTest < TestCase
    tasks_close_all()

    # 1. Create a new test organization with special characters in its name
-    organization = organization_create(
+    organization_create(
      data: {
        name: 'äöüß & Test Organization',
      }
    )

    # 2. Create a new user that belongs to the test organization
-    user = user_create(
+    user_create(
      data: {
        login:        'test user',
        firstname:    'Max',
@ -40,7 +40,7 @@ class AgentTicketOverviewGroupByOrganizationTest < TestCase
    )

    # 3. Create a new ticket for the test user
-    ticket = ticket_create(
+    ticket_create(
      data: {
        customer: user_email,
        title:    'test ticket',
@ -50,7 +50,7 @@ class AgentTicketOverviewGroupByOrganizationTest < TestCase
    )

    # 4. Create an overview grouping by organization
-    overview = overview_create(
+    overview_create(
      data: {
        name:     overview_name,
        roles:    %w[Agent Admin Customer],
--- a/test/browser/agent_ticket_overview_tab_test.rb
+++ b/test/browser/agent_ticket_overview_tab_test.rb
@ -21,7 +21,7 @@ class AgentTicketOverviewTabTest < TestCase
        body:     "overview tab test #1 - #{title}",
      }
    )
-    ticket2 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -29,7 +29,7 @@ class AgentTicketOverviewTabTest < TestCase
        body:     "overview tab test #2 - #{title}",
      }
    )
-    ticket3 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/agent_ticket_tag_test.rb
+++ b/test/browser/agent_ticket_tag_test.rb
@ -11,7 +11,7 @@ class AgentTicketTagTest < TestCase
    tasks_close_all()

    # set tag (by tab)
-    ticket1 = ticket_create(
+    ticket_create(
      data:          {
        customer: 'nico',
        group:    'Users',
@ -51,7 +51,7 @@ class AgentTicketTagTest < TestCase
    )

    # set tag (by blur)
-    ticket2 = ticket_create(
+    ticket_create(
      data:          {
        customer: 'nico',
        group:    'Users',
@ -398,7 +398,7 @@ class AgentTicketTagTest < TestCase
    click(css: '.content.active .js-create .js-submit')

    # set tag (by tab)
-    ticket1 = ticket_create(
+    ticket_create(
      data:          {
        customer: 'nico',
        group:    'Users',
@ -456,7 +456,7 @@ class AgentTicketTagTest < TestCase
    )

    # new ticket with tags in zoom
-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/agent_ticket_task_changed_test.rb
+++ b/test/browser/agent_ticket_task_changed_test.rb
@ -12,7 +12,7 @@ class AgentTicketTaskChangedTest < TestCase
    )
    tasks_close_all()

-    ticket = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/agent_ticket_time_accounting_test.rb
+++ b/test/browser/agent_ticket_time_accounting_test.rb
@ -22,7 +22,7 @@ class AgentTicketTimeAccountingTest < TestCase
      type: 'on',
    )

-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -55,7 +55,7 @@ class AgentTicketTimeAccountingTest < TestCase
      value: '4',
    )

-    ticket2 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
@ -161,7 +161,7 @@ class AgentTicketTimeAccountingTest < TestCase
      type: 'on',
    )

-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/agent_ticket_update1_test.rb
+++ b/test/browser/agent_ticket_update1_test.rb
@ -29,7 +29,7 @@ class AgentTicketUpdate1Test < TestCase
    sleep 1

    # confirm on zoom
-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/agent_ticket_update5_test.rb
+++ b/test/browser/agent_ticket_update5_test.rb
@ -12,7 +12,7 @@ class AgentTicketUpdate5Test < TestCase

    # create ticket

-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'Nico',
        group:    'Users',
--- a/test/browser/agent_ticket_zoom_hide_test.rb
+++ b/test/browser/agent_ticket_zoom_hide_test.rb
@ -21,7 +21,7 @@ class AgentTicketZoomHideTest < TestCase
    )

    # create two tickets
-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'Nico',
        group:    'Users',
@ -30,7 +30,7 @@ class AgentTicketZoomHideTest < TestCase
      }
    )

-    ticket2 = ticket_create(
+    ticket_create(
      data: {
        customer: 'Nico',
        group:    'Users',
--- a/test/browser/customer_ticket_create_test.rb
+++ b/test/browser/customer_ticket_create_test.rb
@ -213,7 +213,7 @@ class CustomerTicketCreateTest < TestCase
    )
    tasks_close_all()

-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/test/browser/user_switch_cache_test.rb
+++ b/test/browser/user_switch_cache_test.rb
@ -11,7 +11,7 @@ class UserSwitchCache < TestCase
      url:      browser_url,
    )
    tasks_close_all()
-    ticket1 = ticket_create(
+    ticket_create(
      data: {
        customer: 'nico',
        group:    'Users',
--- a/Show more
+++ b/Show more