1 files changed, 88 insertions, 0 deletions
diff --git a/app/presenters/ml/candidate_details_presenter.rb b/app/presenters/ml/candidate_details_presenter.rb
new file mode 100644
index 00000000000..58ec2aee471
--- /dev/null
+++ b/app/presenters/ml/candidate_details_presenter.rb
@@ -0,0 +1,88 @@
+# frozen_string_literal: true
+
+module Ml
+  class CandidateDetailsPresenter
+    include Rails.application.routes.url_helpers
+
+    def initialize(candidate)
+      @candidate = candidate
+    end
+
+    def present
+      data = {
+        candidate: {
+          info: {
+            iid: candidate.iid,
+            eid: candidate.eid,
+            path_to_artifact: link_to_artifact,
+            experiment_name: candidate.experiment.name,
+            path_to_experiment: link_to_experiment,
+            path: link_to_details,
+            status: candidate.status,
+            ci_job: job_info
+          },
+          params: candidate.params,
+          metrics: candidate.latest_metrics,
+          metadata: candidate.metadata
+        }
+      }
+
+      Gitlab::Json.generate(data)
+    end
+
+    private
+
+    attr_reader :candidate
+
+    def job_info
+      return unless candidate.from_ci?
+
+      build = candidate.ci_build
+
+      {
+        path: project_job_path(build.project, build),
+        name: build.name,
+        **user_info(build.user) || {},
+        **mr_info(build.pipeline.merge_request) || {}
+      }
+    end
+
+    def user_info(user)
+      return unless user
+
+      {
+        user: {
+          path: user_path(user),
+          username: user.username
+        }
+      }
+    end
+
+    def mr_info(mr)
+      return unless mr
+
+      {
+        merge_request: {
+          path: project_merge_request_path(mr.project, mr),
+          title: mr.title
+        }
+      }
+    end
+
+    def link_to_artifact
+      artifact = candidate.artifact
+
+      return unless artifact.present?
+
+      project_package_path(candidate.project, artifact)
+    end
+
+    def link_to_details
+      project_ml_candidate_path(candidate.project, candidate.iid)
+    end
+
+    def link_to_experiment
+      project_ml_experiment_path(candidate.project, candidate.experiment.iid)
+    end
+  end
+end