deparameterize `project`

since 99% of the time it's `target.project` anyways.

app/services/notification_recipient_service.rb

@@ -44,6 +44,10 @@ module NotificationRecipientService
         raise 'abstract'
       end
 
+      def project
+        target.project
+      end
+
       def recipients
         @recipients ||= []
       end
@@ -138,7 +142,7 @@ module NotificationRecipientService
 
         user_ids = user_ids_with_global_level_watch((user_ids_with_project_global + user_ids_with_group_global).uniq)
 
-        user_ids_with_project_setting = select_project_members_ids(project, user_ids_with_project_global, user_ids)
+        user_ids_with_project_setting = select_project_members_ids(user_ids_with_project_global, user_ids)
         user_ids_with_group_setting = select_group_members_ids(project.group, project_members_ids, user_ids_with_group_global, user_ids)
 
         user_scope.where(id: user_ids_with_project_setting.concat(user_ids_with_group_setting).uniq)
@@ -163,7 +167,7 @@ module NotificationRecipientService
       end
 
       # Build a list of user_ids based on project notification settings
-      def select_project_members_ids(project, global_setting, user_ids_global_level_watch)
+      def select_project_members_ids(global_setting, user_ids_global_level_watch)
         user_ids = user_ids_notifiable_on(project, :watch)
 
         # If project setting is global, add to watch list if global setting is watch
@@ -230,14 +234,12 @@ module NotificationRecipientService
     end
 
     class Default < Base
-      attr_reader :project
       attr_reader :target
       attr_reader :current_user
       attr_reader :action
       attr_reader :previous_assignee
       attr_reader :skip_current_user
-      def initialize(project, target, current_user, action:, previous_assignee: nil, skip_current_user: true)
-        @project = project
+      def initialize(target, current_user, action:, previous_assignee: nil, skip_current_user: true)
         @target = target
         @current_user = current_user
         @action = action
@@ -280,12 +282,10 @@ module NotificationRecipientService
     end
 
     class Relabeled < Base
-      attr_reader :project
       attr_reader :target
       attr_reader :current_user
       attr_reader :labels
-      def initialize(project, target, current_user, labels:)
-        @project = project
+      def initialize(target, current_user, labels:)
         @target = target
         @current_user = current_user
         @labels = labels
@@ -297,13 +297,17 @@ module NotificationRecipientService
     end
 
     class NewNote < Base
-      attr_reader :project
       attr_reader :note
-      attr_reader :target
-      def initialize(project, note)
-        @project = project
+      def initialize(note)
         @note = note
-        @target = note.noteable
+      end
+
+      def target
+        note.noteable
+      end
+
+      def project
+        note.project
       end
 
       def read_ability

app/services/notification_service.rb

@@ -42,7 +42,7 @@ class NotificationService
   #  * users with custom level checked with "new issue"
   #
   def new_issue(issue, current_user)
-    new_resource_email(issue, issue.project, :new_issue_email)
+    new_resource_email(issue, :new_issue_email)
   end
 
   # When issue text is updated, we should send an email to:
@@ -52,7 +52,6 @@ class NotificationService
   def new_mentions_in_issue(issue, new_mentioned_users, current_user)
     new_mentions_in_resource_email(
       issue,
-      issue.project,
       new_mentioned_users,
       current_user,
       :new_mention_in_issue_email
@@ -67,7 +66,7 @@ class NotificationService
   #  * users with custom level checked with "close issue"
   #
   def close_issue(issue, current_user)
-    close_resource_email(issue, issue.project, current_user, :closed_issue_email)
+    close_resource_email(issue, current_user, :closed_issue_email)
   end
 
   # When we reassign an issue we should send an email to:
@@ -78,7 +77,6 @@ class NotificationService
   #
   def reassigned_issue(issue, current_user, previous_assignees = [])
     recipients = NotificationRecipientService.build_recipients(
-      issue.project,
       issue,
       current_user,
       action: "reassign",
@@ -103,7 +101,7 @@ class NotificationService
   #  * watchers of the issue's labels
   #
   def relabeled_issue(issue, added_labels, current_user)
-    relabeled_resource_email(issue, issue.project, added_labels, current_user, :relabeled_issue_email)
+    relabeled_resource_email(issue, added_labels, current_user, :relabeled_issue_email)
   end
 
   # When create a merge request we should send an email to:
@@ -114,7 +112,7 @@ class NotificationService
   #  * users with custom level checked with "new merge request"
   #
   def new_merge_request(merge_request, current_user)
-    new_resource_email(merge_request, merge_request.target_project, :new_merge_request_email)
+    new_resource_email(merge_request, :new_merge_request_email)
   end
 
   # When merge request text is updated, we should send an email to:
@@ -124,7 +122,6 @@ class NotificationService
   def new_mentions_in_merge_request(merge_request, new_mentioned_users, current_user)
     new_mentions_in_resource_email(
       merge_request,
-      merge_request.target_project,
       new_mentioned_users,
       current_user,
       :new_mention_in_merge_request_email
@@ -138,7 +135,7 @@ class NotificationService
   #  * users with custom level checked with "reassign merge request"
   #
   def reassigned_merge_request(merge_request, current_user)
-    reassign_resource_email(merge_request, merge_request.target_project, current_user, :reassigned_merge_request_email)
+    reassign_resource_email(merge_request, current_user, :reassigned_merge_request_email)
   end
 
   # When we add labels to a merge request we should send an email to:
@@ -146,21 +143,20 @@ class NotificationService
   #  * watchers of the mr's labels
   #
   def relabeled_merge_request(merge_request, added_labels, current_user)
-    relabeled_resource_email(merge_request, merge_request.target_project, added_labels, current_user, :relabeled_merge_request_email)
+    relabeled_resource_email(merge_request, added_labels, current_user, :relabeled_merge_request_email)
   end
 
   def close_mr(merge_request, current_user)
-    close_resource_email(merge_request, merge_request.target_project, current_user, :closed_merge_request_email)
+    close_resource_email(merge_request, current_user, :closed_merge_request_email)
   end
 
   def reopen_issue(issue, current_user)
-    reopen_resource_email(issue, issue.project, current_user, :issue_status_changed_email, 'reopened')
+    reopen_resource_email(issue, current_user, :issue_status_changed_email, 'reopened')
   end
 
   def merge_mr(merge_request, current_user)
     close_resource_email(
       merge_request,
-      merge_request.target_project,
       current_user,
       :merged_merge_request_email,
       skip_current_user: !merge_request.merge_when_pipeline_succeeds?
@@ -170,7 +166,6 @@ class NotificationService
   def reopen_mr(merge_request, current_user)
     reopen_resource_email(
       merge_request,
-      merge_request.target_project,
       current_user,
       :merge_request_status_email,
       'reopened'
@@ -179,7 +174,6 @@ class NotificationService
 
   def resolve_all_discussions(merge_request, current_user)
     recipients = NotificationRecipientService.build_recipients(
-      merge_request.target_project,
       merge_request,
       current_user,
       action: "resolve_all_discussions")
@@ -204,7 +198,7 @@ class NotificationService
 
     notify_method = "note_#{note.to_ability_name}_email".to_sym
 
-    recipients = NotificationRecipientService.build_new_note_recipients(note.project, note)
+    recipients = NotificationRecipientService.build_new_note_recipients(note)
     recipients.each do |recipient|
       mailer.send(notify_method, recipient.id, note.id).deliver_later
     end
@@ -284,7 +278,7 @@ class NotificationService
   end
 
   def issue_moved(issue, new_issue, current_user)
-    recipients = NotificationRecipientService.build_recipients(issue.project, issue, current_user, action: 'moved')
+    recipients = NotificationRecipientService.build_recipients(issue, current_user, action: 'moved')
 
     recipients.map do |recipient|
       email = mailer.issue_moved_email(recipient, issue, new_issue, current_user)
@@ -320,16 +314,16 @@ class NotificationService
 
   protected
 
-  def new_resource_email(target, project, method)
-    recipients = NotificationRecipientService.build_recipients(project, target, target.author, action: "new")
+  def new_resource_email(target, method)
+    recipients = NotificationRecipientService.build_recipients(target, target.author, action: "new")
 
     recipients.each do |recipient|
       mailer.send(method, recipient.id, target.id).deliver_later
     end
   end
 
-  def new_mentions_in_resource_email(target, project, new_mentioned_users, current_user, method)
-    recipients = NotificationRecipientService.build_recipients(project, target, current_user, action: "new")
+  def new_mentions_in_resource_email(target, new_mentioned_users, current_user, method)
+    recipients = NotificationRecipientService.build_recipients(target, current_user, action: "new")
     recipients = recipients & new_mentioned_users
 
     recipients.each do |recipient|
@@ -337,11 +331,10 @@ class NotificationService
     end
   end
 
-  def close_resource_email(target, project, current_user, method, skip_current_user: true)
+  def close_resource_email(target, current_user, method, skip_current_user: true)
     action = method == :merged_merge_request_email ? "merge" : "close"
 
     recipients = NotificationRecipientService.build_recipients(
-      project,
       target,
       current_user,
       action: action,
@@ -353,12 +346,11 @@ class NotificationService
     end
   end
 
-  def reassign_resource_email(target, project, current_user, method)
+  def reassign_resource_email(target, current_user, method)
     previous_assignee_id = previous_record(target, 'assignee_id')
     previous_assignee = User.find_by(id: previous_assignee_id) if previous_assignee_id
 
     recipients = NotificationRecipientService.build_recipients(
-      project,
       target,
       current_user,
       action: "reassign",
@@ -376,8 +368,8 @@ class NotificationService
     end
   end
 
-  def relabeled_resource_email(target, project, labels, current_user, method)
-    recipients = NotificationRecipientService.build_relabeled_recipients(project, target, current_user, labels: labels)
+  def relabeled_resource_email(target, labels, current_user, method)
+    recipients = NotificationRecipientService.build_relabeled_recipients(target, current_user, labels: labels)
     label_names = labels.map(&:name)
 
     recipients.each do |recipient|
@@ -385,8 +377,8 @@ class NotificationService
     end
   end
 
-  def reopen_resource_email(target, project, current_user, method, status)
-    recipients = NotificationRecipientService.build_recipients(project, target, current_user, action: "reopen")
+  def reopen_resource_email(target, current_user, method, status)
+    recipients = NotificationRecipientService.build_recipients(target, current_user, action: "reopen")
 
     recipients.each do |recipient|
       mailer.send(method, recipient.id, target.id, status, current_user.id).deliver_later