Add more fields to the graphql job_type

This adds the duration and finished_at fields
to the aforementioned graphql type

app/graphql/types/ci/job_type.rb

@@ -18,6 +18,10 @@ module Types
             description: 'Schedule for the build.'
       field :artifacts, Types::Ci::JobArtifactType.connection_type, null: true,
             description: 'Artifacts generated by the job.'
+      field :finished_at, Types::TimeType, null: true,
+            description: 'When a job has finished running.'
+      field :duration, GraphQL::INT_TYPE, null: true,
+            description: 'Duration of the job in seconds.'
 
       def pipeline
         Gitlab::Graphql::Loaders::BatchModelLoader.new(::Ci::Pipeline, object.pipeline_id).find

changelogs/unreleased/jivanvl-add-duration-finished-at-fields-job-type.yml

+---
+title: Add duration and finishedAt GraphQL fields to jobType in the CI namespace
+merge_request: 54358
+author:
+type: changed

doc/api/graphql/reference/index.md

@@ -669,6 +669,8 @@ Autogenerated return type of CiCdSettingsUpdate.
 | ----- | ---- | ----------- |
 | `artifacts` | CiJobArtifactConnection | Artifacts generated by the job. |
 | `detailedStatus` | DetailedStatus | Detailed status of the job. |
+| `duration` | Int | Duration of the job in seconds. |
+| `finishedAt` | Time | When a job has finished running. |
 | `name` | String | Name of the job. |
 | `needs` | CiBuildNeedConnection | References to builds that must complete before the jobs run. |
 | `pipeline` | Pipeline | Pipeline the job belongs to. |

spec/graphql/types/ci/job_type_spec.rb

@@ -14,6 +14,8 @@ RSpec.describe Types::Ci::JobType do
       detailedStatus
       scheduledAt
       artifacts
+      finished_at
+      duration
     ]
 
     expect(described_class).to have_graphql_fields(*expected_fields)