refactor(cli): Move cmdflags package under pkg/cli/client (#1840)

Signed-off-by: Alexei Dodon <adodon@cisco.com>

pkg/cli/client/flags.go

@@ -0,0 +1,164 @@
+//go:build search
+// +build search
+
+package client
+
+import (
+	"fmt"
+	"strings"
+
+	zerr "zotregistry.io/zot/errors"
+	"zotregistry.io/zot/pkg/common"
+)
+
+const (
+	URLFlag          = "url"
+	ConfigFlag       = "config"
+	UserFlag         = "user"
+	OutputFormatFlag = "format"
+	FixedFlag        = "fixed"
+	VerboseFlag      = "verbose"
+	VersionFlag      = "version"
+	DebugFlag        = "debug"
+	SearchedCVEID    = "cve-id"
+	SortByFlag       = "sort-by"
+)
+
+const (
+	SortByRelevance     = "relevance"
+	SortByUpdateTime    = "update-time"
+	SortByAlphabeticAsc = "alpha-asc"
+	SortByAlphabeticDsc = "alpha-dsc"
+	SortBySeverity      = "severity"
+)
+
+const stringType = "string"
+
+func ImageListSortOptions() []string {
+	return []string{SortByUpdateTime, SortByAlphabeticAsc, SortByAlphabeticDsc}
+}
+
+func ImageListSortOptionsStr() string {
+	return strings.Join(ImageListSortOptions(), ", ")
+}
+
+func ImageSearchSortOptions() []string {
+	return []string{SortByRelevance, SortByUpdateTime, SortByAlphabeticAsc, SortByAlphabeticDsc}
+}
+
+func ImageSearchSortOptionsStr() string {
+	return strings.Join(ImageSearchSortOptions(), ", ")
+}
+
+func CVEListSortOptions() []string {
+	return []string{SortByAlphabeticAsc, SortByAlphabeticDsc, SortBySeverity}
+}
+
+func CVEListSortOptionsStr() string {
+	return strings.Join(CVEListSortOptions(), ", ")
+}
+
+func RepoListSortOptions() []string {
+	return []string{SortByAlphabeticAsc, SortByAlphabeticDsc}
+}
+
+func RepoListSortOptionsStr() string {
+	return strings.Join(RepoListSortOptions(), ", ")
+}
+
+func Flag2SortCriteria(sortBy string) string {
+	switch sortBy {
+	case SortByRelevance:
+		return "RELEVANCE"
+	case SortByUpdateTime:
+		return "UPDATE_TIME"
+	case SortByAlphabeticAsc:
+		return "ALPHABETIC_ASC"
+	case SortByAlphabeticDsc:
+		return "ALPHABETIC_DSC"
+	case SortBySeverity:
+		return "SEVERITY"
+	default:
+		return "BAD_SORT_CRITERIA"
+	}
+}
+
+type CVEListSortFlag string
+
+func (e *CVEListSortFlag) String() string {
+	return string(*e)
+}
+
+func (e *CVEListSortFlag) Set(val string) error {
+	if !common.Contains(CVEListSortOptions(), val) {
+		return fmt.Errorf("%w %s", zerr.ErrFlagValueUnsupported, CVEListSortOptionsStr())
+	}
+
+	*e = CVEListSortFlag(val)
+
+	return nil
+}
+
+func (e *CVEListSortFlag) Type() string {
+	return stringType
+}
+
+type ImageListSortFlag string
+
+func (e *ImageListSortFlag) String() string {
+	return string(*e)
+}
+
+func (e *ImageListSortFlag) Set(val string) error {
+	if !common.Contains(ImageListSortOptions(), val) {
+		return fmt.Errorf("%w %s", zerr.ErrFlagValueUnsupported, ImageListSortOptionsStr())
+	}
+
+	*e = ImageListSortFlag(val)
+
+	return nil
+}
+
+func (e *ImageListSortFlag) Type() string {
+	return stringType
+}
+
+type ImageSearchSortFlag string
+
+func (e *ImageSearchSortFlag) String() string {
+	return string(*e)
+}
+
+func (e *ImageSearchSortFlag) Set(val string) error {
+	if !common.Contains(ImageSearchSortOptions(), val) {
+		return fmt.Errorf("%w %s", zerr.ErrFlagValueUnsupported, ImageSearchSortOptionsStr())
+	}
+
+	*e = ImageSearchSortFlag(val)
+
+	return nil
+}
+
+func (e *ImageSearchSortFlag) Type() string {
+	return stringType
+}
+
+type RepoListSortFlag string
+
+func (e *RepoListSortFlag) String() string {
+	return string(*e)
+}
+
+func (e *RepoListSortFlag) Set(val string) error {
+	if !common.Contains(RepoListSortOptions(), val) {
+		return fmt.Errorf("%w %s", zerr.ErrFlagValueUnsupported, RepoListSortOptionsStr())
+	}
+
+	*e = RepoListSortFlag(val)
+
+	return nil
+}
+
+func (e *RepoListSortFlag) Type() string {
+	return stringType
+}