Rename service to integration in HAML views

- Prefer passing local variables instead of using instance
variables.
- Rename in all views used by integrations.

app/views/projects/services/_form.html.haml

-- if lookup_context.template_exists?('top', "projects/services/#{@service.to_param}", true)
-  = render "projects/services/#{@service.to_param}/top"
+- if lookup_context.template_exists?('top', "projects/services/#{integration.to_param}", true)
+  = render "projects/services/#{integration.to_param}/top", integration: integration
 %h3.page-title
-  = @service.title
-  - if @service.operating?
+  = integration.title
+  - if integration.operating?
     = sprite_icon('check', css_class: 'gl-text-green-500')
-= form_for(@service, as: :service, url: scoped_integration_path(@service), method: :put, html: { class: 'gl-show-field-errors integration-settings-form js-integration-settings-form', data: { 'test-url' => test_project_service_path(@project, @service) } }) do |form|
-  = render 'shared/service_settings', form: form, integration: @service
+= form_for(integration, as: :service, url: scoped_integration_path(integration), method: :put, html: { class: 'gl-show-field-errors integration-settings-form js-integration-settings-form', data: { 'test-url' => test_project_service_path(@project, integration) } }) do |form|
+  = render 'shared/service_settings', form: form, integration: integration
   %input{ id: 'services_redirect_to', type: 'hidden', name: 'redirect_to', value: request.referrer }
-- if lookup_context.template_exists?('show', "projects/services/#{@service.to_param}", true)
+- if lookup_context.template_exists?('show', "projects/services/#{integration.to_param}", true)
   %hr
-  = render "projects/services/#{@service.to_param}/show"
+  = render "projects/services/#{integration.to_param}/show", integration: integration

app/views/projects/services/edit.html.haml

-- breadcrumb_title @service.title
+- breadcrumb_title @integration.title
 - add_to_breadcrumbs _('Integration Settings'), project_settings_integrations_path(@project)
-- page_title @service.title, _('Integrations')
+- page_title @integration.title, _('Integrations')
 - @content_class = 'limit-container-width' unless fluid_layout
-= render 'form'
+= render 'form', integration: @integration
+
 - if @web_hook_logs
-  = render partial: 'projects/hook_logs/index', locals: { hook: @service.service_hook, hook_logs: @web_hook_logs, project: @project }
+  = render partial: 'projects/hook_logs/index', locals: { hook: @integration.service_hook, hook_logs: @web_hook_logs, project: @project }

app/views/projects/services/mattermost_slash_commands/_detailed_help.html.haml

@@ -57,7 +57,7 @@
   .form-group
     = label_tag :request_url, s_('MattermostService|Request URL'), class: 'col-12 col-form-label label-bold'
     .col-12.input-group
-      = text_field_tag :request_url, service_trigger_url(subject), class: 'form-control form-control-sm', readonly: 'readonly'
+      = text_field_tag :request_url, service_trigger_url(integration), class: 'form-control form-control-sm', readonly: 'readonly'
       .input-group-append
         = clipboard_button(target: '#request_url', class: 'input-group-text')

app/views/projects/services/mattermost_slash_commands/_help.html.haml

@@ -10,8 +10,8 @@
     %p.inline
       = s_("MattermostService|After you configure the integration, view your new Mattermost commands by entering")
     %kbd.inline /<trigger> help
-    - if !enabled && @service.project_level?
-      = render 'projects/services/mattermost_slash_commands/detailed_help', subject: @service
-- if enabled && @service.project_level?
-  = render 'projects/services/mattermost_slash_commands/installation_info', subject: @service
+    - if !enabled && integration.project_level?
+      = render 'projects/services/mattermost_slash_commands/detailed_help', integration: integration
+- if enabled && integration.project_level?
+  = render 'projects/services/mattermost_slash_commands/installation_info', integration: integration

app/views/projects/services/mattermost_slash_commands/_installation_info.html.haml

 .services-installation-info
-  - unless @service.activated?
+  - unless integration.activated?
     .row
       .col-sm-9.offset-sm-3
         = link_to new_project_mattermost_path(@project), class: 'btn gl-button btn-lg' do

app/views/projects/services/prometheus/_configuration_banner.html.haml

 %h4
   = s_('PrometheusService|Auto configuration')
-- if service.manual_configuration?
+- if integration.manual_configuration?
   .info-well
     = s_('PrometheusService|To enable the installation of Prometheus on your clusters, deactivate the manual configuration.')
 - else
   .container-fluid
     .row
-      - if service.prometheus_available?
+      - if integration.prometheus_available?
         .col-sm-2
           .svg-container
             = image_tag 'illustrations/monitoring/getting_started.svg'

app/views/projects/services/prometheus/_custom_metrics.html.haml

@@ -6,7 +6,7 @@
     = link_to s_('PrometheusService|More information'), help_page_path('operations/metrics/index.md', anchor: 'adding-custom-metrics'), target: '_blank', rel: "noopener noreferrer"
 .col-lg-9
-  .card.custom-monitored-metrics.js-panel-custom-monitored-metrics{ data: { qa_selector: 'custom_metrics_container', active_custom_metrics: project_prometheus_metrics_path(project), environments_data: environments_list_data, service_active: "#{@service.active}" } }
+  .card.custom-monitored-metrics.js-panel-custom-monitored-metrics{ data: { qa_selector: 'custom_metrics_container', active_custom_metrics: project_prometheus_metrics_path(project), environments_data: environments_list_data, service_active: "#{integration.active}" } }
     .card-header
       %strong
         = s_('PrometheusService|Custom metrics')

app/views/projects/services/prometheus/_external_alerts.html.haml

 - return unless can?(current_user, :read_prometheus_alerts, @project)
-- return unless @service.manual_configuration?
+- return unless integration.manual_configuration?
 - notify_url = notify_project_prometheus_alerts_url(@project, format: :json)
 - authorization_key = @project.alerting_setting.try(:token)

app/views/projects/services/prometheus/_help.html.haml

 - if @project
-  = render 'projects/services/prometheus/configuration_banner', project: @project, service: @service
+  = render 'projects/services/prometheus/configuration_banner', project: @project, integration: integration
 %h4.gl-mb-3
   = s_('PrometheusService|Manual configuration')

app/views/projects/services/prometheus/_metrics.html.haml

 - project = local_assigns.fetch(:project)
-= render 'projects/services/prometheus/custom_metrics', project: project
+= render 'projects/services/prometheus/custom_metrics', project: project, integration: integration
 .col-lg-3
   %p

app/views/projects/services/prometheus/_show.html.haml

@@ -4,6 +4,6 @@
       = s_('PrometheusService|Metrics')
 .row.gl-mb-3.prometheus-metrics-monitoring.js-prometheus-metrics-monitoring
-  = render 'projects/services/prometheus/metrics', project: @project
-= render 'projects/services/prometheus/external_alerts', project: @project
+  = render 'projects/services/prometheus/metrics', project: @project, integration: integration
+= render 'projects/services/prometheus/external_alerts', project: @project, integration: integration

app/views/projects/services/prometheus/_top.html.haml

-- return unless @service.manual_configuration?
+- return unless integration.manual_configuration?
 .row
   .col-lg-12

app/views/projects/services/slack_slash_commands/_help.html.haml

@@ -11,7 +11,7 @@
     %p.inline
       = s_("SlackService|See list of available commands in Slack after setting up this service, by entering")
     %kbd.inline /<command> help
-    - if @service.project_level?
+    - if integration.project_level?
       %p= _("To set up this service:")
       %ul.list-unstyled.indent-list
         %li
@@ -39,7 +39,7 @@
         .form-group
           = label_tag :url, 'URL', class: 'col-12 col-form-label label-bold'
           .col-12.input-group
-            = text_field_tag :url, service_trigger_url(subject), class: 'form-control form-control-sm', readonly: 'readonly'
+            = text_field_tag :url, service_trigger_url(integration), class: 'form-control form-control-sm', readonly: 'readonly'
             .input-group-append
               = clipboard_button(target: '#url', class: 'input-group-text')

app/views/shared/_service_settings.html.haml

@@ -7,7 +7,7 @@
     .js-integration-help-html.gl-display-none
       -# All content below will be repositioned in Vue
       - if lookup_context.template_exists?('help', "projects/services/#{integration.to_param}", true)
-        = render "projects/services/#{integration.to_param}/help", subject: integration
+        = render "projects/services/#{integration.to_param}/help", integration: integration
       - elsif integration.help.present?
         .info-well
           .well-segment

ee/app/views/projects/services/gitlab_slack_application/_help.html.haml

@@ -6,5 +6,5 @@
     %p.inline
       = _("See the list of available commands in Slack after setting up this service by entering")
   %kbd.inline /gitlab help
-  - if @service.project_level?
-    = render "projects/services/#{@service.to_param}/slack_integration_form"
+  - if integration.project_level?
+    = render "projects/services/#{integration.to_param}/slack_integration_form", integration: integration

ee/app/views/projects/services/gitlab_slack_application/_slack_integration_form.html.haml

-- slack_integration = @service.slack_integration
+- slack_integration = integration.slack_integration
 - if slack_integration
   %table.table
     %colgroup
@@ -22,9 +22,9 @@
         ago
       %td
         .controls
-          - project = @service.project
+          - project = integration.project
           = link_to 'Edit', edit_project_settings_slack_path(project), class: 'btn gl-button btn-default btn-sm'
           = link_to 'Remove', project_settings_slack_path(project), method: :delete, class: 'btn gl-button btn-danger btn-sm', data: { confirm: 'Are you sure?' }
 - else
   %p To set up this service press "Add to Slack"
-  = render "projects/services/#{@service.to_param}/slack_button", project: @project
+  = render "projects/services/#{integration.to_param}/slack_button", project: @project

spec/views/projects/services/_form.haml_spec.rb

@@ -11,17 +11,16 @@
     allow(controller).to receive(:current_user).and_return(user)
-    allow(view).to receive_messages(current_user: user,
-                                    can?: true,
-                                    current_application_settings: Gitlab::CurrentSettings.current_application_settings,
-                                    request: double(referrer: '/services'))
+    allow(view).to receive_messages(
+      current_user: user,
+      can?: true,
+      current_application_settings: Gitlab::CurrentSettings.current_application_settings,
+      integration: project.redmine_service,
+      request: double(referrer: '/services')
+    )
   end
   context 'commit_events and merge_request_events' do
-    before do
-      assign(:service, project.redmine_service)
-    end
-
     it 'display merge_request_events and commit_events descriptions' do
       allow(Integrations::Redmine).to receive(:supported_events).and_return(%w(commit merge_request))

spec/views/projects/services/edit.html.haml_spec.rb

@@ -3,12 +3,12 @@
 require 'spec_helper'
 RSpec.describe 'projects/services/edit' do
-  let(:service) { create(:drone_ci_service, project: project) }
+  let(:integration) { create(:drone_ci_service, project: project) }
   let(:project) { create(:project) }
   before do
     assign :project, project
-    assign :service, service
+    assign :integration, integration
   end
   it do
@@ -17,7 +17,7 @@
     expect(rendered).not_to have_text('Recent Deliveries')
   end
-  context 'service using WebHooks' do
+  context 'integration using WebHooks' do
     before do
       assign(:web_hook_logs, [])
     end