fix: request body for preview is empty

Author: andreaangiolillo

tools/cli/internal/apiversion/version.go

@@ -32,7 +32,8 @@ type APIVersion struct {
 }
 
 const (
-	dateFormat = "2006-01-02"
+	dateFormat  = "2006-01-02"
+	previewDate = "3000-01-01"
 )
 
 var contentPattern = regexp.MustCompile(`application/vnd\.atlas\.((\d{4})-(\d{2})-(\d{2})|preview)\+(.+)`)
@@ -57,7 +58,6 @@ func (v *APIVersion) newVersion(version string, date time.Time) {
 	v.versionDate = date
 
 	if IsPreviewStabilityLevel(version) {
-		v.versionDate = time.Now().AddDate(10, 0, 0) // set preview date to the future
 		v.stabilityVersion = PreviewStabilityLevel
 	}
 }
@@ -119,7 +119,7 @@ func WithFullContent(contentType string, contentValue *openapi3.MediaType) Optio
 
 func DateFromVersion(version string) (time.Time, error) {
 	if IsPreviewStabilityLevel(version) {
-		return time.Now(), nil
+		return time.Parse(dateFormat, previewDate)
 	}
 	return time.Parse(dateFormat, version)
 }

tools/cli/internal/cli/split/split.go

@@ -51,6 +51,9 @@ func (o *Opts) Run() error {
 	}
 
 	for _, version := range versions {
+		if version != "private-preview-charts-dashboards" {
+			continue
+		}
 		filteredOAS, err := o.filter(specInfo.Spec, version)
 		if err != nil {
 			return err

tools/cli/internal/openapi/filter/operations.go

@@ -17,7 +17,7 @@ import (
 	"github.com/getkin/kin-openapi/openapi3"
 )
 
-// Filter: OperationsFilter is a filter that removes the x-xgen-owner-team extension from operations
+// OperationsFilter is a filter that removes the x-xgen-owner-team extension from operations
 // and moves the x-sunset extension to the operation level.
 type OperationsFilter struct {
 	oas *openapi3.T

tools/cli/internal/openapi/filter/versioning.go

@@ -11,6 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 package filter
 
 import (
@@ -21,7 +22,7 @@ import (
 	"github.com/mongodb/openapi/tools/cli/internal/apiversion"
 )
 
-// Filter: VersioningFilter is a filter that modifies the OpenAPI spec by removing operations and responses
+// VersioningFilter is a filter that modifies the OpenAPI spec by removing operations and responses
 // that are not supported by the target version.
 type VersioningFilter struct {
 	oas      *openapi3.T