send nullable time instead of empty string

.github/workflows/pr.yaml

@@ -33,7 +33,7 @@ jobs:
       - name: Install dependencies
         run: go mod download
       - name: Run Tests
-        run: go test -cover `go list ./... | grep -v 'pkg/client'`
+        run: go test -cover `go list ./...`
 
   test-swagger:
     name: Test Swagger

api/jobs/job_handler_test.go

@@ -184,7 +184,7 @@ func (s *JobHandlerTestSuite) Test_GetApplicationJob() {
 		//nolint:staticcheck // SA1019 we want to make sure that Components is populated for backward compatibility (at least for a while)
 		s.ElementsMatch(slice.PointersOf(expectedComponents), actualJob.Components)
 		expectedSteps := []jobModels.Step{
-			{Name: step1Name, PodName: step1Pod, Status: string(step1Condition), Started: radixutils.FormatTime(&step1Started), Ended: radixutils.FormatTime(&step1Ended), Components: step1Components},
+			{Name: step1Name, PodName: step1Pod, Status: string(step1Condition), Started: &step1Started.Time, Ended: &step1Ended.Time, Components: step1Components},
 			{Name: step2Name},
 		}
 		s.ElementsMatch(expectedSteps, actualJob.Steps)

api/jobs/models/job.go

@@ -179,15 +179,16 @@ func GetJobFromRadixJob(job *radixv1.RadixJob, jobDeployments []*deploymentModel
 // GetJobStepsFromRadixJob Gets the steps from a Radix job
 func GetJobStepsFromRadixJob(job *radixv1.RadixJob) []Step {
 	var steps []Step
+
 	for _, jobStep := range job.Status.Steps {
 		step := Step{
 			Name:       jobStep.Name,
 			Status:     string(jobStep.Condition),
-			Started:    radixutils.FormatTime(jobStep.Started),
-			Ended:      radixutils.FormatTime(jobStep.Ended),
 			PodName:    jobStep.PodName,
 			Components: jobStep.Components,
 		}
+		if jobStep.Started != nil {step.Started = &jobStep.Started.Time}
+		if jobStep.Ended != nil {step.Ended = &jobStep.Ended.Time}
 
 		steps = append(steps, step)
 	}

api/jobs/models/step.go

@@ -1,5 +1,7 @@
 package models
 
+import "time"
+
 // Step holds general information about job step
 // swagger:model Step
 type Step struct {
@@ -19,14 +21,16 @@ type Step struct {
 	// Started timestamp
 	//
 	// required: false
+	// swagger:strfmt date-time
 	// example: 2006-01-02T15:04:05Z
-	Started string `json:"started"`
+	Started *time.Time `json:"started"`
 
 	// Ended timestamp
 	//
 	// required: false
+	// swagger:strfmt date-time
 	// example: 2006-01-02T15:04:05Z
-	Ended string `json:"ended"`
+	Ended *time.Time `json:"ended"`
 
 	// Pod name
 	//

swaggerui/html/swagger.json

@@ -7330,8 +7330,8 @@
         "ended": {
           "description": "Ended timestamp",
           "type": "string",
-          "x-go-name": "Ended",
-          "example": "2006-01-02T15:04:05Z"
+          "format": "date-time",
+          "x-go-name": "Ended"
         },
         "name": {
           "description": "Name of the step",
@@ -7342,8 +7342,8 @@
         "started": {
           "description": "Started timestamp",
           "type": "string",
-          "x-go-name": "Started",
-          "example": "2006-01-02T15:04:05Z"
+          "format": "date-time",
+          "x-go-name": "Started"
         },
         "status": {
           "description": "Status of the step",