Quickaction for changing an Issuable severity

app/models/issuable_severity.rb

@@ -10,6 +10,14 @@ class IssuableSeverity < ApplicationRecord
     critical: 'Critical - S1'
   }.freeze
 
+  SEVERITY_QUICK_ACTION_PARAMS = {
+    unknown:  %w(Unknown 0),
+    low:      %w(Low S4 4),
+    medium:   %w(Medium S3 3),
+    high:     %w(High S2 2),
+    critical: %w(Critical S1 1)
+  }.freeze
+
   belongs_to :issue
 
   validates :issue, presence: true, uniqueness: true

config/metrics/counts_28d/20210721042227_i_quickactions_severity_monthly.yml

+---
+key_path: redis_hll_counters.quickactions.i_quickactions_severity_monthly
+description: Count of MAU using the `/severity` quick action
+product_section: ops
+product_stage: monitor
+product_group: group::monitor
+product_category: incident_management
+value_type: number
+status: implemented
+milestone: "14.2"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/66422
+time_frame: 28d
+data_source: redis_hll
+data_category: Optional
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate

config/metrics/counts_7d/20210721042223_i_quickactions_severity_weekly.yml

+---
+key_path: redis_hll_counters.quickactions.i_quickactions_severity_weekly
+description: Count of WAU using the `/severity` quick action
+product_section: ops
+product_stage: monitor
+product_group: group::monitor
+product_category: incident_management
+value_type: number
+status: implemented
+milestone: "14.2"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/66422
+time_frame: 7d
+data_source: redis_hll
+data_category: Optional
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate

doc/development/usage_ping/dictionary.md

@@ -16666,6 +16666,34 @@ Status: `data_available`
 
 Tiers: `free`, `premium`, `ultimate`
 
+### `redis_hll_counters.quickactions.i_quickactions_severity_monthly`
+
+Count of MAU using the `/severity` quick action
+
+[YAML definition](https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_28d/20210721042227_i_quickactions_severity_monthly.yml)
+
+Group: `group::monitor`
+
+Data Category: `Optional`
+
+Status: `implemented`
+
+Tiers: `free`, `premium`, `ultimate`
+
+### `redis_hll_counters.quickactions.i_quickactions_severity_weekly`
+
+Count of WAU using the `/severity` quick action
+
+[YAML definition](https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_7d/20210721042223_i_quickactions_severity_weekly.yml)
+
+Group: `group::monitor`
+
+Data Category: `Optional`
+
+Status: `implemented`
+
+Tiers: `free`, `premium`, `ultimate`
+
 ### `redis_hll_counters.quickactions.i_quickactions_shrug_monthly`
 
 Count of MAU using the `/shrug` quick action

doc/user/project/quick_actions.md

@@ -94,6 +94,7 @@ threads. Some quick actions might not be available to all subscription tiers.
 | `/remove_time_spent`                  | **{check-circle}** Yes | **{check-circle}** Yes | **{dotted-circle}** No | Remove time spent. |
 | `/remove_zoom`                        | **{check-circle}** Yes | **{dotted-circle}** No | **{dotted-circle}** No | Remove Zoom meeting from this issue ([introduced in GitLab 12.4](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/16609)). |
 | `/reopen`                             | **{check-circle}** Yes | **{check-circle}** Yes | **{check-circle}** Yes | Reopen. |
+| `/severity`                           | **{check-circle}** Yes | **{check-circle}** No  | **{check-circle}** No  | Set the severity. ([introduced in GitLab 14.2](https://gitlab.com/gitlab-org/gitlab/-/issues/334045)) |
 | `/shrug <comment>`                    | **{check-circle}** Yes | **{check-circle}** Yes | **{check-circle}** Yes | Append the comment with `¯\＿(ツ)＿/¯`. |
 | `/spend <time> [<date>]` | **{check-circle}** Yes | **{check-circle}** Yes | **{dotted-circle}** No | Add or subtract spent time. Optionally, specify the date that time was spent on. For example, `/spend 1mo 2w 3d 4h 5m 2018-08-26` or `/spend -1h 30m`. Learn more about [time tracking](time_tracking.md). |
 | `/submit_review`                      | **{dotted-circle}** No | **{check-circle}** Yes | **{dotted-circle}** No | Submit a pending review ([introduced in GitLab 12.7](https://gitlab.com/gitlab-org/gitlab/-/issues/8041)). |

lib/gitlab/quick_actions/issuable_actions.rb

@@ -241,8 +241,43 @@ module Gitlab
           "#{comment} #{TABLEFLIP}"
         end
 
+        desc _('Set severity')
+        explanation _('Sets the severity')
+        params '1 / S1 / Critical'
+        types Issue
+        condition do
+          quick_action_target.supports_severity?
+        end
+        parse_params do |severity|
+          find_severity(severity)
+        end
+        command :severity do |severity|
+          if severity
+            ::Issues::UpdateService.new(project: quick_action_target.project, current_user: current_user, params: { severity: severity }).execute(quick_action_target)
+
+            @execution_message[:severity] = _("Severity updated to %{severity}.") % { severity: severity.capitalize }
+          else
+            @execution_message[:severity] = _('No severity matches the provided parameter')
+          end
+        end
+
         private
 
+        def find_severity(severity_param)
+          return unless severity_param
+
+          severity_param = severity_param.downcase
+          severities = IssuableSeverity::SEVERITY_QUICK_ACTION_PARAMS.values.map { |vals| vals.map(&:downcase) }
+
+          matched_severity = severities.find do |severity_values|
+            severity_values.include?(severity_param)
+          end
+
+          return unless matched_severity
+
+          matched_severity[0]
+        end
+
         def run_label_command(labels:, command:, updates_key:)
           return if labels.empty?
 

lib/gitlab/usage_data_counters/known_events/quickactions.yml

@@ -179,6 +179,10 @@
   category: quickactions
   redis_slot: quickactions
   aggregation: weekly
+- name: i_quickactions_severity
+  category: quickactions
+  redis_slot: quickactions
+  aggregation: weekly
 - name: i_quickactions_shrug
   category: quickactions
   redis_slot: quickactions

locale/gitlab.pot

@@ -22297,6 +22297,9 @@ msgstr ""
 msgid "No schedules"
 msgstr ""
 
+msgid "No severity matches the provided parameter"
+msgstr ""
+
 msgid "No source selected"
 msgstr ""
 
@@ -29843,6 +29846,9 @@ msgstr ""
 msgid "Set requirements for a user to sign-in. Enable mandatory two-factor authentication."
 msgstr ""
 
+msgid "Set severity"
+msgstr ""
+
 msgid "Set size limits for displaying diffs in the browser."
 msgstr ""
 
@@ -29987,6 +29993,9 @@ msgstr ""
 msgid "Sets the milestone to %{milestone_reference}."
 msgstr ""
 
+msgid "Sets the severity"
+msgstr ""
+
 msgid "Sets time estimate to %{time_estimate}."
 msgstr ""
 
@@ -30017,6 +30026,9 @@ msgstr ""
 msgid "Severity"
 msgstr ""
 
+msgid "Severity updated to %{severity}."
+msgstr ""
+
 msgid "SeverityWidget|Severity"
 msgstr ""
 

spec/services/quick_actions/interpret_service_spec.rb

@@ -2080,6 +2080,48 @@ RSpec.describe QuickActions::InterpretService do
         end
       end
     end
+
+    context 'severity command' do
+      let_it_be_with_reload(:issuable) { create(:incident, project: project) }
+
+      subject(:set_severity) { service.execute(content, issuable) }
+
+      it_behaves_like 'failed command', 'No severity matches the provided parameter' do
+        let(:content) { '/severity something' }
+      end
+
+      shared_examples 'updates the severity' do |new_severity|
+        it do
+          expect { set_severity }.to change { issuable.severity }.from('unknown').to(new_severity)
+        end
+      end
+
+      context 'severity given with S format' do
+        let(:content) { '/severity s3' }
+
+        it_behaves_like 'updates the severity', 'medium'
+      end
+
+      context 'severity given with number format' do
+        let(:content) { '/severity 3' }
+
+        it_behaves_like 'updates the severity', 'medium'
+      end
+
+      context 'severity given with text format' do
+        let(:content) { '/severity medium' }
+
+        it_behaves_like 'updates the severity', 'medium'
+      end
+
+      context 'an issuable that does not support severity' do
+        let_it_be_with_reload(:issuable) { create(:issue, project: project) }
+
+        it_behaves_like 'failed command', 'Could not apply severity command.' do
+          let(:content) { '/severity s3' }
+        end
+      end
+    end
   end
 
   describe '#explain' do