Add list project cmd

This command will help to list
all the available registry. It also
has different options to list registries.

Signed-off-by: Akshat <akshat25iiit@gmail.com>

cmd/project/list_project.go

@@ -26,7 +26,7 @@ func NewListProjectCommand() *cobra.Command {
 
 	cmd := &cobra.Command{
 		Use:   "project",
-		Short: "list projects",
+		Short: "list project",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			credentialName, err := cmd.Flags().GetString(constants.CredentialNameOption)
 			if err != nil {

cmd/registry/list_registry.go

@@ -0,0 +1,55 @@
+package registry
+
+import (
+	"context"
+
+	"github.com/akshatdalton/harbor-cli/cmd/constants"
+	"github.com/akshatdalton/harbor-cli/cmd/utils"
+	"github.com/goharbor/go-client/pkg/sdk/v2.0/client/registry"
+	"github.com/spf13/cobra"
+)
+
+type listRegistryOptions struct {
+	page     int64
+	pageSize int64
+	q        string
+	sort     string
+}
+
+// NewListRegistryCommand creates a new `harbor list registry` command
+func NewListRegistryCommand() *cobra.Command {
+	var opts listRegistryOptions
+
+	cmd := &cobra.Command{
+		Use:   "registry",
+		Short: "list registry",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			credentialName, err := cmd.Flags().GetString(constants.CredentialNameOption)
+			if err != nil {
+				return err
+			}
+			return runListRegistry(opts, credentialName)
+		},
+	}
+
+	flags := cmd.Flags()
+	flags.Int64VarP(&opts.page, "page", "", 1, "Page number")
+	flags.Int64VarP(&opts.pageSize, "page-size", "", 10, "Size of per page")
+	flags.StringVarP(&opts.q, "query", "q", "", "Query string to query resources")
+	flags.StringVarP(&opts.sort, "sort", "", "", "Sort the resource list in ascending or descending order")
+
+	return cmd
+}
+
+func runListRegistry(opts listRegistryOptions, credentialName string) error {
+	client := utils.GetClientByCredentialName(credentialName)
+	ctx := context.Background()
+	response, err := client.Registry.ListRegistries(ctx, &registry.ListRegistriesParams{Page: &opts.page, PageSize: &opts.pageSize, Q: &opts.q, Sort: &opts.sort})
+
+	if err != nil {
+		return err
+	}
+
+	utils.PrintPayloadInJSONFormat(response.GetPayload())
+	return nil
+}

cmd/root.go

@@ -32,6 +32,7 @@ func newListCommand() *cobra.Command {
 
 	cmd.PersistentFlags().String(constants.CredentialNameOption, "", "Name of the credential to use for authentication")
 	cmd.AddCommand(project.NewListProjectCommand())
+	cmd.AddCommand(registry.NewListRegistryCommand())
 	return cmd
 }