Change deletes to preserve soft-deleted statuses in unresolved reports (#11805)

Change all account actions except "none" to resolve all unresolved reports

Refactor `SuspendAccountService` to be more readable

app/services/suspend_account_service.rb

@@ -15,7 +15,6 @@ class SuspendAccountService < BaseService
     favourites
     follow_requests
     list_accounts
-    media_attachments
     mute_relationships
     muted_by_relationships
     notifications
@@ -32,14 +31,26 @@ class SuspendAccountService < BaseService
     targeted_reports
   ).freeze
 
-  # Suspend an account and remove as much of its data as possible
+  # Suspend or remove an account and remove as much of its data
+  # as possible. If it's a local account and it has not been confirmed
+  # or never been approved, then side effects are skipped and both
+  # the user and account records are removed fully. Otherwise,
+  # it is controlled by options.
   # @param [Account]
   # @param [Hash] options
-  # @option [Boolean] :including_user Remove the user record as well
-  # @option [Boolean] :destroy Remove the account record instead of suspending
+  # @option [Boolean] :reserve_email Keep user record. Only applicable for local accounts
+  # @option [Boolean] :reserve_username Keep account record
+  # @option [Boolean] :skip_side_effects Side effects are ActivityPub and streaming API payloads
+  # @option [Time]    :suspended_at Only applicable when :reserve_username is true
   def call(account, **options)
     @account = account
-    @options = options
+    @options = { reserve_username: true, reserve_email: true }.merge(options)
+
+    if @account.local? && @account.user_unconfirmed_or_pending?
+      @options[:reserve_email]     = false
+      @options[:reserve_username]  = false
+      @options[:skip_side_effects] = true
+    end
 
     reject_follows!
     purge_user!
@@ -60,27 +71,39 @@ class SuspendAccountService < BaseService
   def purge_user!
     return if !@account.local? || @account.user.nil?
 
-    if @options[:including_user]
-      @options[:destroy] = true if !@account.user_confirmed? || @account.user_pending?
-      @account.user.destroy
-    else
+    if @options[:reserve_email]
       @account.user.disable!
       @account.user.invites.where(uses: 0).destroy_all
+    else
+      @account.user.destroy
     end
   end
 
   def purge_content!
-    distribute_delete_actor! if @account.local? && !@options[:skip_distribution]
+    distribute_delete_actor! if @account.local? && !@options[:skip_side_effects]
 
     @account.statuses.reorder(nil).find_in_batches do |statuses|
-      BatchedRemoveStatusService.new.call(statuses, skip_side_effects: @options[:destroy])
+      statuses.reject! { |status| reported_status_ids.include?(status.id) } if @options[:reserve_username]
+      BatchedRemoveStatusService.new.call(statuses, skip_side_effects: @options[:skip_side_effects])
+    end
+
+    @account.media_attachments.reorder(nil).find_each do |media_attachment|
+      next if @options[:reserve_username] && reported_status_ids.include?(media_attachment.status_id)
+
+      media_attachment.destroy
+    end
+
+    @account.polls.reorder(nil).find_each do |poll|
+      next if @options[:reserve_username] && reported_status_ids.include?(poll.status_id)
+
+      poll.destroy
     end
 
     associations_for_destruction.each do |association_name|
       destroy_all(@account.public_send(association_name))
     end
 
-    @account.destroy if @options[:destroy]
+    @account.destroy unless @options[:reserve_username]
   end
 
   def purge_profile!
@@ -88,11 +111,13 @@ class SuspendAccountService < BaseService
     # there is no point wasting time updating
     # its values first
 
-    return if @options[:destroy]
+    return unless @options[:reserve_username]
 
     @account.silenced_at      = nil
     @account.suspended_at     = @options[:suspended_at] || Time.now.utc
     @account.locked           = false
+    @account.memorial         = false
+    @account.discoverable     = false
     @account.display_name     = ''
     @account.note             = ''
     @account.fields           = []
@@ -100,6 +125,7 @@ class SuspendAccountService < BaseService
     @account.followers_count  = 0
     @account.following_count  = 0
     @account.moved_to_account = nil
+    @account.trust_level      = :untrusted
     @account.avatar.destroy
     @account.header.destroy
     @account.save!
@@ -135,11 +161,15 @@ class SuspendAccountService < BaseService
     Account.inboxes - delivery_inboxes
   end
 
+  def reported_status_ids
+    @reported_status_ids ||= Report.where(target_account: @account).unresolved.pluck(:status_ids).flatten.uniq
+  end
+
   def associations_for_destruction
-    if @options[:destroy]
-      ASSOCIATIONS_ON_SUSPEND + ASSOCIATIONS_ON_DESTROY
-    else
+    if @options[:reserve_username]
       ASSOCIATIONS_ON_SUSPEND
+    else
+      ASSOCIATIONS_ON_SUSPEND + ASSOCIATIONS_ON_DESTROY
     end
   end
 end