Implement matchdevfiles func

Signed-off-by: thepetk <thepetk@gmail.com>

go/pkg/apis/recognizer/devfile_recognizer.go

@@ -21,6 +21,7 @@ import (
 	"regexp"
 	"strings"
 
+	"github.com/hashicorp/go-version"
 	"github.com/redhat-developer/alizer/go/pkg/apis/model"
 	"github.com/redhat-developer/alizer/go/pkg/utils"
 )
@@ -95,12 +96,25 @@ func SelectDevFileUsingLanguagesFromTypes(languages []model.Language, devFileTyp
 	return devFilesIndexes[0], nil
 }
 
+func MatchDevfiles(path, url, minVersion, maxVersion string) ([]model.DevFileType, error) {
+	devFileTypesFromRegistry, err := downloadDevFileTypesFromRegistry(url, minVersion, maxVersion)
+	if err != nil {
+		return []model.DevFileType{}, err
+	}
+
+	return selectDevfiles(path, devFileTypesFromRegistry)
+}
+
 func SelectDevFilesFromRegistry(path string, url string) ([]model.DevFileType, error) {
-	devFileTypesFromRegistry, err := downloadDevFileTypesFromRegistry(url)
+	devFileTypesFromRegistry, err := downloadDevFileTypesFromRegistry(url, "", "")
 	if err != nil {
 		return []model.DevFileType{}, err
 	}
 
+	return selectDevfiles(path, devFileTypesFromRegistry)
+}
+
+func selectDevfiles(path string, devFileTypesFromRegistry []model.DevFileType) ([]model.DevFileType, error) {
 	indexes, err := SelectDevFilesFromTypes(path, devFileTypesFromRegistry)
 	if err != nil {
 		return []model.DevFileType{}, err
@@ -112,10 +126,11 @@ func SelectDevFilesFromRegistry(path string, url string) ([]model.DevFileType, e
 	}
 
 	return devFileTypes, nil
+
 }
 
 func SelectDevFileFromRegistry(path string, url string) (model.DevFileType, error) {
-	devFileTypes, err := downloadDevFileTypesFromRegistry(url)
+	devFileTypes, err := downloadDevFileTypesFromRegistry(url, "", "")
 	if err != nil {
 		return model.DevFileType{}, err
 	}
@@ -127,17 +142,36 @@ func SelectDevFileFromRegistry(path string, url string) (model.DevFileType, erro
 	return devFileTypes[index], nil
 }
 
-func downloadDevFileTypesFromRegistry(url string) ([]model.DevFileType, error) {
+func getUrlWithVersions(url, minVersion, maxVersion string) string {
+	if minVersion != "" && maxVersion != "" {
+		minV, err := version.NewVersion(minVersion)
+		if err != nil {
+			return url
+		}
+		maxV, err := version.NewVersion(minVersion)
+		if err != nil {
+			return url
+		}
+		if maxV.LessThan(minV) {
+			return url
+		}
+		return fmt.Sprintf("%s?minSchemaVersion=%s&maxSchemaVersion=%s", url, minVersion, maxVersion)
+	} else if minVersion != "" {
+		return fmt.Sprintf("%s?minSchemaVersion=%s", url, minVersion)
+	} else if maxVersion != "" {
+		return fmt.Sprintf("%s?maxSchemaVersion=%s", url, maxVersion)
+	} else {
+		return url
+	}
+}
+
+func downloadDevFileTypesFromRegistry(url, minVersion, maxVersion string) ([]model.DevFileType, error) {
 	url = adaptUrl(url)
-	// Get the data
+	tmpUrl := appendIndexPath(url)
+	url = getUrlWithVersions(tmpUrl, minVersion, maxVersion)
 	resp, err := http.Get(url)
 	if err != nil {
-		// retry by appending index to url
-		url = appendIndexPath(url)
-		resp, err = http.Get(url)
-		if err != nil {
-			return []model.DevFileType{}, err
-		}
+		return []model.DevFileType{}, err
 	}
 	defer func() error {
 		if err := resp.Body.Close(); err != nil {
@@ -167,9 +201,9 @@ func downloadDevFileTypesFromRegistry(url string) ([]model.DevFileType, error) {
 
 func appendIndexPath(url string) string {
 	if strings.HasSuffix(url, "/") {
-		return url + "index"
+		return url + "v2index"
 	}
-	return url + "/index"
+	return url + "/v2index"
 }
 
 func adaptUrl(url string) string {