Mm 49496 Add state and jobs for preventing screened purchase attempts from retrying (#22188)

* make signup unavailable when screening is in progress

model/job.go

@@ -31,6 +31,7 @@ const (
 	JobTypeLastAccessibleFile           = "last_accessible_file"
 	JobTypeUpgradeNotifyAdmin           = "upgrade_notify_admin"
 	JobTypeTrialNotifyAdmin             = "trial_notify_admin"
+	JobTypeHostedPurchaseScreening      = "hosted_purchase_screening"
 
 	JobStatusPending         = "pending"
 	JobStatusInProgress      = "in_progress"

model/system.go

@@ -33,6 +33,7 @@ const (
 	SystemFirstAdminSetupComplete          = "FirstAdminSetupComplete"
 	SystemLastAccessiblePostTime           = "LastAccessiblePostTime"
 	SystemLastAccessibleFileTime           = "LastAccessibleFileTime"
+	SystemHostedPurchaseNeedsScreening     = "HostedPurchaseNeedsScreening"
 	AwsMeteringReportInterval              = 1
 	AwsMeteringDimensionUsageHrs           = "UsageHrs"
 )