Drop NotificationActionDescriptionComponent

The content is moved to the NotificationHelper and used from
NotificationComponent.

BsRequestActionSourceAndTargetComponent is not removed because it's
still used in the watchlist.

src/api/app/components/notification_component.html.haml

@@ -22,7 +22,7 @@
         .col-auto.pe-0
           = render NotificationAvatarsComponent.new(@notification)
         .col-auto.ps-xs-2
-          = render NotificationActionDescriptionComponent.new(@notification)
+          .smart-overflow= helpers.description(@notification)
       .row.d-none.d-md-block.ps-4
         .col
           %p.mt-3.mb-0=  helpers.render_without_markdown(helpers.excerpt(@notification))

src/api/app/helpers/webui/notification_helper.rb

@@ -1,3 +1,4 @@
+# rubocop:disable Metrics/ModuleLength
 module Webui::NotificationHelper
   TRUNCATION_LENGTH = 100
   TRUNCATION_ELLIPSIS_LENGTH = 3 # `...` is the default ellipsis for String#truncate
@@ -27,6 +28,41 @@ def excerpt(notification)
     truncate_to_first_new_line(text.to_s) # sometimes text can be nil
   end
 
+  # rubocop:disable Metrics/CyclomaticComplexity
+  # TODO: Content of ViewComponent. Move to sub-classes once STI is set.
+  def description(notification)
+    case notification.event_type
+    when 'Event::RequestStatechange', 'Event::RequestCreate', 'Event::ReviewWanted', 'Event::CommentForRequest'
+      # TODO: find an alternative when this is moved to the STI model
+      source_and_target(notification)
+    when 'Event::CommentForProject'
+      "#{notification.notifiable.commentable.name}"
+    when 'Event::CommentForPackage'
+      commentable = notification.notifiable.commentable
+      "#{commentable.project.name} / #{commentable.name}"
+    when 'Event::RelationshipCreate'
+      "#{notification.event_payload['who']} made #{recipient(notification)} #{notification.event_payload['role']} of #{target_object(notification)}"
+    when 'Event::RelationshipDelete'
+      "#{notification.event_payload['who']} removed #{recipient(notification)} as #{notification.event_payload['role']} of #{target_object(notification)}"
+    when 'Event::BuildFail'
+      "Build was triggered because of #{notification.event_payload['reason']}"
+    # TODO: Remove `Event::CreateReport` after all existing records are migrated to the new STI classes
+    when 'Event::CreateReport', 'Event::ReportForProject', 'Event::ReportForPackage', 'Event::ReportForUser'
+      "'#{notification.notifiable.user.login}' created a report for a #{notification.event_payload['reportable_type'].downcase}. This is the reason:"
+    when 'Event::ReportForRequest'
+      "'#{notification.notifiable.user.login}' created a report for a request. This is the reason:"
+    when 'Event::ReportForComment'
+      "'#{notification.notifiable.user.login}' created a report for a comment from #{notification.event_payload['commenter']}. This is the reason:"
+    when 'Event::ClearedDecision'
+      "'#{notification.notifiable.moderator.login}' decided to clear the report. This is the reason:"
+    when 'Event::FavoredDecision'
+      "'#{notification.notifiable.moderator.login}' decided to favor the report. This is the reason:"
+    when 'Event::AppealCreated'
+      "'#{notification.notifiable.appellant.login}' appealed the decision for the following reason:"
+    end
+  end
+  # rubocop:enable Metrics/CyclomaticComplexity
+
   private
 
   def mark_as_read_or_unread_button(notification)
@@ -45,4 +81,50 @@ def truncate_to_first_new_line(text)
     truncation_index = !first_new_line_index.nil? && first_new_line_index < TRUNCATION_LENGTH ? first_new_line_index + TRUNCATION_ELLIPSIS_LENGTH : TRUNCATION_LENGTH
     text.truncate(truncation_index)
   end
+
+  def bs_request(notification)
+    if notification.notifiable_type == 'BsRequest'
+      notification.notifiable
+    elsif notification.notifiable.commentable.is_a?(BsRequestAction)
+      notification.notifiable.commentable.bs_request
+    else
+      notification.notifiable.commentable
+    end
+  end
+
+  def recipient(notification)
+    # If a notification is for a group, the notified user needs to know for which group. Otherwise, the user is simply referred to as 'you'.
+    notification.event_payload.fetch('group', 'you')
+  end
+
+  def target_object(notification)
+    [notification.event_payload['project'], notification.event_payload['package']].compact.join(' / ')
+  end
+
+  def source(notification)
+    first_bs_request_action = bs_request(notification).bs_request_actions.first
+
+    return '' if bs_request(notification).bs_request_actions.size > 1
+
+    [first_bs_request_action.source_project, first_bs_request_action.source_package].compact.join(' / ')
+  end
+
+  def target(notification)
+    first_bs_request_action = bs_request(notification).bs_request_actions.first
+
+    return first_bs_request_action.target_project if bs_request(notification).bs_request_actions.size > 1
+
+    [first_bs_request_action.target_project, first_bs_request_action.target_package].compact.join(' / ')
+  end
+
+  def source_and_target(notification)
+    capture do
+      if source(notification).present?
+        concat(tag.span(source(notification)))
+        concat(tag.i(nil, class: 'fas fa-long-arrow-alt-right text-info mx-2'))
+      end
+      concat(tag.span(target(notification)))
+    end
+  end
 end
+# rubocop:enable Metrics/ModuleLength