MM-8810: Add CSV Compliance export (#8966)

* MM-8810: Add CSV Compliance export

* Only allowing to schedule actiances export throught the cli

* De-duplicating some code

* Fixes on texts

* Fixes on translations

model/config.go

@@ -156,6 +156,7 @@ const (
 
 	TIMEZONE_SETTINGS_DEFAULT_SUPPORTED_TIMEZONES_PATH = "timezones.json"
 
+	COMPLIANCE_EXPORT_TYPE_CSV         = "csv"
 	COMPLIANCE_EXPORT_TYPE_ACTIANCE    = "actiance"
 	COMPLIANCE_EXPORT_TYPE_GLOBALRELAY = "globalrelay"
 	GLOBALRELAY_CUSTOMER_TYPE_A9       = "A9"
@@ -2366,7 +2367,7 @@ func (mes *MessageExportSettings) isValid(fs FileSettings) *AppError {
 			return NewAppError("Config.IsValid", "model.config.is_valid.message_export.daily_runtime.app_error", nil, err.Error(), http.StatusBadRequest)
 		} else if mes.BatchSize == nil || *mes.BatchSize < 0 {
 			return NewAppError("Config.IsValid", "model.config.is_valid.message_export.batch_size.app_error", nil, "", http.StatusBadRequest)
-		} else if mes.ExportFormat == nil || (*mes.ExportFormat != COMPLIANCE_EXPORT_TYPE_ACTIANCE && *mes.ExportFormat != COMPLIANCE_EXPORT_TYPE_GLOBALRELAY) {
+		} else if mes.ExportFormat == nil || (*mes.ExportFormat != COMPLIANCE_EXPORT_TYPE_ACTIANCE && *mes.ExportFormat != COMPLIANCE_EXPORT_TYPE_GLOBALRELAY && *mes.ExportFormat != COMPLIANCE_EXPORT_TYPE_CSV) {
 			return NewAppError("Config.IsValid", "model.config.is_valid.message_export.export_type.app_error", nil, "", http.StatusBadRequest)
 		}