Add latest changes from gitlab-org/gitlab@15-0-stable-eev15.0.0-rc42

4 files changed, 177 insertions, 0 deletions

diff --git a/app/services/incident_management/timeline_events/base_service.rb b/app/services/incident_management/timeline_events/base_service.rb
new file mode 100644
index 00000000000..cae58465e4a
--- /dev/null
+++ b/app/services/incident_management/timeline_events/base_service.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module IncidentManagement
+  module TimelineEvents
+    class BaseService
+      def allowed?
+        user&.can?(:admin_incident_management_timeline_event, incident)
+      end
+
+      def success(timeline_event)
+        ServiceResponse.success(payload: { timeline_event: timeline_event })
+      end
+
+      def error(message)
+        ServiceResponse.error(message: message)
+      end
+
+      def error_no_permissions
+        error(_('You have insufficient permissions to manage timeline events for this incident'))
+      end
+
+      def error_in_save(timeline_event)
+        error(timeline_event.errors.full_messages.to_sentence)
+      end
+    end
+  end
+end
diff --git a/app/services/incident_management/timeline_events/create_service.rb b/app/services/incident_management/timeline_events/create_service.rb
new file mode 100644
index 00000000000..7d287e1bd82
--- /dev/null
+++ b/app/services/incident_management/timeline_events/create_service.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+module IncidentManagement
+  module TimelineEvents
+    DEFAULT_ACTION = 'comment'
+
+    class CreateService < TimelineEvents::BaseService
+      def initialize(incident, user, params)
+        @project = incident.project
+        @incident = incident
+        @user = user
+        @params = params
+      end
+
+      def execute
+        return error_no_permissions unless allowed?
+
+        timeline_event_params = {
+          project: project,
+          incident: incident,
+          author: user,
+          note: params[:note],
+          action: params.fetch(:action, DEFAULT_ACTION),
+          note_html: params[:note_html].presence || params[:note],
+          occurred_at: params[:occurred_at],
+          promoted_from_note: params[:promoted_from_note]
+        }
+
+        timeline_event = IncidentManagement::TimelineEvent.new(timeline_event_params)
+
+        if timeline_event.save
+          add_system_note(timeline_event)
+
+          success(timeline_event)
+        else
+          error_in_save(timeline_event)
+        end
+      end
+
+      private
+
+      attr_reader :project, :user, :incident, :params
+
+      def add_system_note(timeline_event)
+        return unless Feature.enabled?(:incident_timeline, project)
+
+        SystemNoteService.add_timeline_event(timeline_event)
+      end
+    end
+  end
+end
diff --git a/app/services/incident_management/timeline_events/destroy_service.rb b/app/services/incident_management/timeline_events/destroy_service.rb
new file mode 100644
index 00000000000..8bb186c289a
--- /dev/null
+++ b/app/services/incident_management/timeline_events/destroy_service.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+module IncidentManagement
+  module TimelineEvents
+    class DestroyService < TimelineEvents::BaseService
+      # @param timeline_event [IncidentManagement::TimelineEvent]
+      # @param user [User]
+      def initialize(timeline_event, user)
+        @timeline_event = timeline_event
+        @user = user
+        @incident = timeline_event.incident
+        @project = @incident.project
+      end
+
+      def execute
+        return error_no_permissions unless allowed?
+
+        if timeline_event.destroy
+          add_system_note(incident, user)
+
+          success(timeline_event)
+        else
+          error_in_save(timeline_event)
+        end
+      end
+
+      private
+
+      attr_reader :project, :timeline_event, :user, :incident
+
+      def add_system_note(incident, user)
+        return unless Feature.enabled?(:incident_timeline, project)
+
+        SystemNoteService.delete_timeline_event(incident, user)
+      end
+    end
+  end
+end
diff --git a/app/services/incident_management/timeline_events/update_service.rb b/app/services/incident_management/timeline_events/update_service.rb
new file mode 100644
index 00000000000..fe8b4879561
--- /dev/null
+++ b/app/services/incident_management/timeline_events/update_service.rb
@@ -0,0 +1,61 @@
+# frozen_string_literal: true
+
+module IncidentManagement
+  module TimelineEvents
+    # @param timeline_event [IncidentManagement::TimelineEvent]
+    # @param user [User]
+    # @param params [Hash]
+    # @option params [string] note
+    # @option params [datetime] occurred_at
+    class UpdateService < TimelineEvents::BaseService
+      def initialize(timeline_event, user, params)
+        @timeline_event = timeline_event
+        @incident = timeline_event.incident
+        @user = user
+        @note = params[:note]
+        @occurred_at = params[:occurred_at]
+      end
+
+      def execute
+        return error_no_permissions unless allowed?
+
+        if timeline_event.update(update_params)
+          add_system_note(timeline_event)
+
+          success(timeline_event)
+        else
+          error_in_save(timeline_event)
+        end
+      end
+
+      private
+
+      attr_reader :timeline_event, :incident, :user, :note, :occurred_at
+
+      def update_params
+        { updated_by_user: user, note: note.presence, occurred_at: occurred_at.presence }.compact
+      end
+
+      def add_system_note(timeline_event)
+        return unless Feature.enabled?(:incident_timeline, incident.project)
+
+        changes = was_changed(timeline_event)
+        return if changes == :none
+
+        SystemNoteService.edit_timeline_event(timeline_event, user, was_changed: changes)
+      end
+
+      def was_changed(timeline_event)
+        changes = timeline_event.previous_changes
+        occurred_at_changed = changes.key?('occurred_at')
+        note_changed = changes.key?('note')
+
+        return :occurred_at_and_note if occurred_at_changed && note_changed
+        return :occurred_at if occurred_at_changed
+        return :note if note_changed
+
+        :none
+      end
+    end
+  end
+end