WIP add sorting to alerts resolver

- Add alert resolver & enum
- Adopt sort in alerts finder

app/finders/alert_management/alerts_finder.rb

@@ -12,7 +12,8 @@ module AlertManagement
       return AlertManagement::Alert.none unless authorized?
 
       collection = project.alert_management_alerts
-      by_iid(collection)
+      collection = by_iid(collection)
+      sort(collection)
     end
 
     private
@@ -25,6 +26,10 @@ module AlertManagement
       collection.for_iid(params[:iid])
     end
 
+    def sort(collection)
+      params[:sort] ? collection.sort_by_attribute(params[:sort]) : collection
+    end
+
     def authorized?
       Ability.allowed?(current_user, :read_alert_management_alerts, project)
     end

app/graphql/resolvers/alert_management_alert_resolver.rb

@@ -6,6 +6,10 @@ module Resolvers
               required: false,
               description: 'IID of the alert. For example, "1"'
 
+    argument :sort, Types::AlertManagement::AlertSortEnum,
+              description: 'Sort alerts by this criteria',
+              required: false
+
     type Types::AlertManagement::AlertType, null: true
 
     def resolve(**args)

app/graphql/types/alert_management/alert_sort_enum.rb

+# frozen_string_literal: true
+
+module Types
+  module AlertManagement
+    class AlertSortEnum < SortEnum
+      graphql_name 'AlertManagementAlertSort'
+      description 'Values for sorting alerts'
+
+      value 'START_TIME_ASC', 'Start time by ascending order', value: :start_time_asc
+      value 'START_TIME_DESC', 'Start time by descending order', value: :start_time_desc
+      value 'END_TIME_ASC', 'End time by ascending order', value: :end_time_asc
+      value 'END_TIME_DESC', 'End time by descending order', value: :end_time_desc
+      value 'CREATED_TIME_ASC', 'Created time by ascending order', value: :created_at_asc
+      value 'CREATED_TIME_DESC', 'Created time by ascending order', value: :created_at_desc
+      value 'UPDATED_TIME_ASC', 'Created time by ascending order', value: :updated_at_desc
+      value 'UPDATED_TIME_DESC', 'Created time by ascending order', value: :updated_at_desc
+      value 'EVENTS_COUNT_ASC', 'Events count by ascending order', value: :events_count_asc
+      value 'EVENTS_COUNT_DESC', 'Events count by descending order', value: :events_count_desc
+      value 'SEVERITY_ASC', 'Severity by ascending order', value: :severity_asc
+      value 'SEVERITY_DESC', 'Severity by descending order', value: :severity_desc
+      value 'STATUS_ASC', 'Status by ascending order', value: :status_asc
+      value 'STATUS_DESC', 'Status by descending order', value: :status_desc
+    end
+  end
+end

app/models/alert_management/alert.rb

@@ -4,6 +4,7 @@ module AlertManagement
   class Alert < ApplicationRecord
     include AtomicInternalId
     include ShaAttribute
+    include Sortable
 
     belongs_to :project
     belongs_to :issue, optional: true
@@ -45,6 +46,29 @@ module AlertManagement
 
     scope :for_iid, -> (iid) { where(iid: iid) }
 
+    scope :order_start_time,    -> (sort_order) { order(started_at: sort_order) }
+    scope :order_end_time,      -> (sort_order) { order(ended_at: sort_order) }
+    scope :order_events_count,  -> (sort_order) { order(events: sort_order) }
+    scope :order_severity,      -> (sort_order) { order(severity: sort_order) }
+    scope :order_status,        -> (sort_order) { order(status: sort_order) }
+
+    def self.sort_by_attribute(method)
+      case method.to_s
+      when 'start_time_asc'     then order_start_time(:asc)
+      when 'start_time_desc'    then order_start_time(:desc)
+      when 'end_time_asc'       then order_end_time(:asc)
+      when 'end_time_desc'      then order_end_time(:desc)
+      when 'events_count_asc'   then order_events_count(:asc)
+      when 'events_count_desc'  then order_events_count(:desc)
+      when 'severity_asc'       then order_severity(:asc)
+      when 'severity_desc'      then order_severity(:desc)
+      when 'status_asc'         then order_status(:asc)
+      when 'status_desc'        then order_status(:desc)
+      else
+        order_by(method)
+      end
+    end
+
     def fingerprint=(value)
       if value.blank?
         super(nil)

changelogs/unreleased/215598-alert-management-graphql-sort-backend.yml

+---
+title: Add sorting to AlertManagement Alert Graphql
+merge_request: 30964
+author:
+type: added

doc/api/graphql/reference/gitlab_schema.graphql

@@ -248,6 +248,101 @@ type AlertManagementAlertEdge {
   node: AlertManagementAlert
 }
 
+"""
+Values for sorting alerts
+"""
+enum AlertManagementAlertSort {
+  """
+  Created time by ascending order
+  """
+  CREATED_TIME_ASC
+
+  """
+  Created time by ascending order
+  """
+  CREATED_TIME_DESC
+
+  """
+  End time by ascending order
+  """
+  END_TIME_ASC
+
+  """
+  End time by descending order
+  """
+  END_TIME_DESC
+
+  """
+  Events count by ascending order
+  """
+  EVENTS_COUNT_ASC
+
+  """
+  Events count by descending order
+  """
+  EVENTS_COUNT_DESC
+
+  """
+  Severity by ascending order
+  """
+  SEVERITY_ASC
+
+  """
+  Severity by descending order
+  """
+  SEVERITY_DESC
+
+  """
+  Start time by ascending order
+  """
+  START_TIME_ASC
+
+  """
+  Start time by descending order
+  """
+  START_TIME_DESC
+
+  """
+  Status by ascending order
+  """
+  STATUS_ASC
+
+  """
+  Status by descending order
+  """
+  STATUS_DESC
+
+  """
+  Created time by ascending order
+  """
+  UPDATED_TIME_ASC
+
+  """
+  Created time by ascending order
+  """
+  UPDATED_TIME_DESC
+
+  """
+  Created at ascending order
+  """
+  created_asc
+
+  """
+  Created at descending order
+  """
+  created_desc
+
+  """
+  Updated at ascending order
+  """
+  updated_asc
+
+  """
+  Updated at descending order
+  """
+  updated_desc
+}
+
 """
 Alert severity values
 """
@@ -6705,6 +6800,11 @@ type Project {
     IID of the alert. For example, "1"
     """
     iid: String
+
+    """
+    Sort alerts by this criteria
+    """
+    sort: AlertManagementAlertSort
   ): AlertManagementAlert
 
   """
@@ -6735,6 +6835,11 @@ type Project {
     Returns the last _n_ elements from the list.
     """
     last: Int
+
+    """
+    Sort alerts by this criteria
+    """
+    sort: AlertManagementAlertSort
   ): AlertManagementAlertConnection
 
   """

doc/api/graphql/reference/gitlab_schema.json

@@ -722,6 +722,125 @@
           "enumValues": null,
           "possibleTypes": null
         },
+        {
+          "kind": "ENUM",
+          "name": "AlertManagementAlertSort",
+          "description": "Values for sorting alerts",
+          "fields": null,
+          "inputFields": null,
+          "interfaces": null,
+          "enumValues": [
+            {
+              "name": "updated_desc",
+              "description": "Updated at descending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "updated_asc",
+              "description": "Updated at ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "created_desc",
+              "description": "Created at descending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "created_asc",
+              "description": "Created at ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "START_TIME_ASC",
+              "description": "Start time by ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "START_TIME_DESC",
+              "description": "Start time by descending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "END_TIME_ASC",
+              "description": "End time by ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "END_TIME_DESC",
+              "description": "End time by descending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "CREATED_TIME_ASC",
+              "description": "Created time by ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "CREATED_TIME_DESC",
+              "description": "Created time by ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "UPDATED_TIME_ASC",
+              "description": "Created time by ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "UPDATED_TIME_DESC",
+              "description": "Created time by ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "EVENTS_COUNT_ASC",
+              "description": "Events count by ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "EVENTS_COUNT_DESC",
+              "description": "Events count by descending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "SEVERITY_ASC",
+              "description": "Severity by ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "SEVERITY_DESC",
+              "description": "Severity by descending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "STATUS_ASC",
+              "description": "Status by ascending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "STATUS_DESC",
+              "description": "Status by descending order",
+              "isDeprecated": false,
+              "deprecationReason": null
+            }
+          ],
+          "possibleTypes": null
+        },
         {
           "kind": "ENUM",
           "name": "AlertManagementSeverity",
@@ -20262,6 +20381,16 @@
                     "ofType": null
                   },
                   "defaultValue": null
+                },
+                {
+                  "name": "sort",
+                  "description": "Sort alerts by this criteria",
+                  "type": {
+                    "kind": "ENUM",
+                    "name": "AlertManagementAlertSort",
+                    "ofType": null
+                  },
+                  "defaultValue": null
                 }
               ],
               "type": {
@@ -20286,6 +20415,16 @@
                   },
                   "defaultValue": null
                 },
+                {
+                  "name": "sort",
+                  "description": "Sort alerts by this criteria",
+                  "type": {
+                    "kind": "ENUM",
+                    "name": "AlertManagementAlertSort",
+                    "ofType": null
+                  },
+                  "defaultValue": null
+                },
                 {
                   "name": "after",
                   "description": "Returns the elements in the list that come after the specified cursor.",

spec/finders/alert_management/alerts_finder_spec.rb

@@ -5,8 +5,8 @@ require 'spec_helper'
 describe AlertManagement::AlertsFinder, '#execute' do
   let_it_be(:current_user) { create(:user) }
   let_it_be(:project) { create(:project) }
-  let_it_be(:alert_1) { create(:alert_management_alert, project: project) }
-  let_it_be(:alert_2) { create(:alert_management_alert, project: project) }
+  let_it_be(:alert_1) { create(:alert_management_alert, project: project, ended_at: 1.year.ago, events: 2, severity: :high, status: :resolved) }
+  let_it_be(:alert_2) { create(:alert_management_alert, project: project, events: 1, severity: :critical, status: :ignored) }
   let_it_be(:alert_3) { create(:alert_management_alert) }
   let(:params) { {} }
 
@@ -36,5 +36,160 @@ describe AlertManagement::AlertsFinder, '#execute' do
         it { is_expected.to be_empty }
       end
     end
+
+    describe 'sorting' do
+      context 'when sorting by created' do
+        context 'sorts alerts ascending' do
+          let(:params) { { sort: 'created_asc' } }
+
+          it { is_expected.to eq [alert_1, alert_2] }
+        end
+
+        context 'sorts alerts descending' do
+          let(:params) { { sort: 'created_desc' } }
+
+          it { is_expected.to eq [alert_2, alert_1] }
+        end
+      end
+
+      context 'when sorting by updated' do
+        context 'sorts alerts ascending' do
+          let(:params) { { sort: 'updated_asc' } }
+
+          it { is_expected.to eq [alert_1, alert_2] }
+        end
+
+        context 'sorts alerts descending' do
+          let(:params) { { sort: 'updated_desc' } }
+
+          it { is_expected.to eq [alert_2, alert_1] }
+        end
+      end
+
+      context 'when sorting by start time' do
+        context 'sorts alerts ascending' do
+          let(:params) { { sort: 'start_time_asc' } }
+
+          it { is_expected.to eq [alert_1, alert_2] }
+        end
+
+        context 'sorts alerts descending' do
+          let(:params) { { sort: 'start_time_desc' } }
+
+          it { is_expected.to eq [alert_2, alert_1] }
+        end
+      end
+
+      context 'when sorting by end time' do
+        context 'sorts alerts ascending' do
+          let(:params) { { sort: 'end_time_asc' } }
+
+          it { is_expected.to eq [alert_1, alert_2] }
+        end
+
+        context 'sorts alerts descending' do
+          let(:params) { { sort: 'end_time_desc' } }
+
+          it { is_expected.to eq [alert_2, alert_1] }
+        end
+      end
+
+      context 'when sorting by events count' do
+        let_it_be(:alert_count_6) { create(:alert_management_alert, project: project, events: 6) }
+        let_it_be(:alert_count_3) { create(:alert_management_alert, project: project, events: 3) }
+
+        context 'sorts alerts ascending' do
+          let(:params) { { sort: 'events_count_asc' } }
+
+          it { is_expected.to eq [alert_2, alert_1, alert_count_3, alert_count_6] }
+        end
+
+        context 'sorts alerts descending' do
+          let(:params) { { sort: 'events_count_desc' } }
+
+          it { is_expected.to eq [alert_count_6, alert_count_3, alert_1, alert_2] }
+        end
+      end
+
+      context 'when sorting by severity' do
+        let_it_be(:alert_critical) { create(:alert_management_alert, project: project, severity: :critical) }
+        let_it_be(:alert_high) { create(:alert_management_alert, project: project, severity: :high) }
+        let_it_be(:alert_medium) { create(:alert_management_alert, project: project, severity: :medium) }
+        let_it_be(:alert_low) { create(:alert_management_alert, project: project, severity: :low) }
+        let_it_be(:alert_info) { create(:alert_management_alert, project: project, severity: :info) }
+        let_it_be(:alert_unknown) { create(:alert_management_alert, project: project, severity: :unknown) }
+
+        context 'sorts alerts ascending' do
+          let(:params) { { sort: 'severity_asc' } }
+
+          it do
+            is_expected.to eq [
+              alert_2,
+              alert_critical,
+              alert_1,
+              alert_high,
+              alert_medium,
+              alert_low,
+              alert_info,
+              alert_unknown
+            ]
+          end
+        end
+
+        context 'sorts alerts descending' do
+          let(:params) { { sort: 'severity_desc' } }
+
+          it do
+            is_expected.to eq [
+              alert_unknown,
+              alert_info,
+              alert_low,
+              alert_medium,
+              alert_1,
+              alert_high,
+              alert_critical,
+              alert_2
+            ]
+          end
+        end
+      end
+
+      context 'when sorting by status' do
+        let_it_be(:alert_triggered) { create(:alert_management_alert, project: project, status: :triggered) }
+        let_it_be(:alert_acknowledged) { create(:alert_management_alert, project: project, status: :acknowledged) }
+        let_it_be(:alert_resolved) { create(:alert_management_alert, project: project, status: :resolved) }
+        let_it_be(:alert_ignored) { create(:alert_management_alert, project: project, status: :ignored) }
+
+        context 'sorts alerts ascending' do
+          let(:params) { { sort: 'status_asc' } }
+
+          it do
+            is_expected.to eq [
+              alert_triggered,
+              alert_acknowledged,
+              alert_1,
+              alert_resolved,
+              alert_2,
+              alert_ignored
+            ]
+          end
+        end
+
+        context 'sorts alerts descending' do
+          let(:params) { { sort: 'status_desc' } }
+
+          it do
+            is_expected.to eq [
+              alert_2,
+              alert_ignored,
+              alert_1,
+              alert_resolved,
+              alert_acknowledged,
+              alert_triggered
+            ]
+          end
+        end
+      end
+    end
   end
 end

spec/graphql/resolvers/alert_management_alert_resolver_spec.rb

@@ -7,8 +7,8 @@ describe Resolvers::AlertManagementAlertResolver do
 
   let_it_be(:current_user) { create(:user) }
   let_it_be(:project) { create(:project) }
-  let_it_be(:alert_1) { create(:alert_management_alert, project: project) }
-  let_it_be(:alert_2) { create(:alert_management_alert, project: project) }
+  let_it_be(:alert_1) { create(:alert_management_alert, project: project, ended_at: 1.year.ago, events: 2, severity: :high, status: :resolved) }
+  let_it_be(:alert_2) { create(:alert_management_alert, project: project, events: 1, severity: :critical, status: :ignored) }
   let_it_be(:alert_other_proj) { create(:alert_management_alert) }
 
   let(:args) { {} }
@@ -31,6 +31,22 @@ describe Resolvers::AlertManagementAlertResolver do
 
       it { is_expected.to contain_exactly(alert_1) }
     end
+
+    describe 'sorting' do
+      # Other sorting examples in spec/finders/alert_management/alerts_finder_spec.rb
+      context 'when sorting by events count' do
+        let_it_be(:alert_count_6) { create(:alert_management_alert, project: project, events: 6) }
+        let_it_be(:alert_count_3) { create(:alert_management_alert, project: project, events: 3) }
+
+        it 'sorts alerts ascending' do
+          expect(resolve_alerts(sort: :events_count_asc)).to eq [alert_2, alert_1, alert_count_3, alert_count_6]
+        end
+
+        it 'sorts alerts descending' do
+          expect(resolve_alerts(sort: :events_count_desc)).to eq [alert_count_6, alert_count_3, alert_1, alert_2]
+        end
+      end
+    end
   end
 
   private

spec/requests/api/graphql/project/alert_management/alerts_spec.rb

@@ -7,8 +7,9 @@ describe 'getting Alert Management Alerts' do
   let_it_be(:payload) { { 'custom' => { 'alert' => 'payload' } } }
   let_it_be(:project) { create(:project, :repository) }
   let_it_be(:current_user) { create(:user) }
-  let_it_be(:alert_1) { create(:alert_management_alert, :all_fields, project: project) }
-  let_it_be(:alert_2) { create(:alert_management_alert, :all_fields, project: project, payload: payload) }
+  let_it_be(:alert_1) { create(:alert_management_alert, :all_fields, project: project, severity: :low) }
+  let_it_be(:alert_2) { create(:alert_management_alert, :all_fields, project: project, severity: :critical, payload: payload) }
+  let_it_be(:other_project_alert) { create(:alert_management_alert, :all_fields) }
 
   let(:fields) do
     <<~QUERY
@@ -85,6 +86,33 @@ describe 'getting Alert Management Alerts' do
         it { expect(alerts.size).to eq(1) }
         it { expect(first_alert['iid']).to eq(alert_1.iid.to_s) }
       end
+
+      context 'sorting data given' do
+        let(:query) do
+          graphql_query_for(
+            'project',
+            { 'fullPath' => project.full_path },
+            query_graphql_field('alertManagementAlerts', params, fields)
+          )
+        end
+
+        let(:params) { 'sort: SEVERITY_DESC' }
+        let(:iids) { alerts.map { |a| a['iid'] } }
+
+        it_behaves_like 'a working graphql query'
+
+        it 'sorts in the correct order' do
+          expect(iids).to eq [alert_1.iid.to_s, alert_2.iid.to_s]
+        end
+
+        context 'ascending order' do
+          let(:params) { 'sort: SEVERITY_ASC' }
+
+          it 'sorts in the correct order' do
+            expect(iids).to eq [alert_2.iid.to_s, alert_1.iid.to_s]
+          end
+        end
+      end
     end
   end
 end