Update the auth invite CLI commands

cmd/cli/app/auth/invite/invite_accept.go

@@ -36,7 +36,7 @@ var inviteAcceptCmd = &cobra.Command{
 	Args:   cobra.ExactArgs(1),
 }
 
-// inviteAcceptCommand is the whoami subcommand
+// inviteAcceptCommand is the "invite accept" subcommand
 func inviteAcceptCommand(ctx context.Context, cmd *cobra.Command, args []string, conn *grpc.ClientConn) error {
 	client := minderv1.NewUserServiceClient(conn)
 	code := args[0]

cmd/cli/app/auth/invite/invite_decline.go

@@ -36,7 +36,7 @@ var inviteDeclineCmd = &cobra.Command{
 	Args:   cobra.ExactArgs(1),
 }
 
-// inviteAcceptCommand is the whoami subcommand
+// inviteDeclineCommand is the "invite decline" subcommand
 func inviteDeclineCommand(ctx context.Context, cmd *cobra.Command, args []string, conn *grpc.ClientConn) error {
 	client := minderv1.NewUserServiceClient(conn)
 	code := args[0]

cmd/cli/app/auth/invite/invite_get.go

@@ -0,0 +1,90 @@
+//
+// Copyright 2023 Stacklok, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// 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 invite provides the auth invite command for the minder CLI.
+package invite
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"google.golang.org/grpc"
+
+	"github.com/stacklok/minder/cmd/cli/app"
+	"github.com/stacklok/minder/internal/util"
+	"github.com/stacklok/minder/internal/util/cli"
+	"github.com/stacklok/minder/internal/util/cli/table"
+	"github.com/stacklok/minder/internal/util/cli/table/layouts"
+	minderv1 "github.com/stacklok/minder/pkg/api/protobuf/go/minder/v1"
+)
+
+// inviteGetCmd represents the list command
+var inviteGetCmd = &cobra.Command{
+	Hidden: true, // TODO: This hides the command, remove it once it's implemented
+	Use:    "get",
+	Short:  "Get info about pending invitations",
+	Long:   `Get shows additional information about a pending invitation`,
+	RunE:   cli.GRPCClientWrapRunE(inviteGetCommand),
+	Args:   cobra.ExactArgs(1),
+}
+
+// inviteGetCommand is the invite get subcommand
+func inviteGetCommand(ctx context.Context, cmd *cobra.Command, args []string, conn *grpc.ClientConn) error {
+	client := minderv1.NewInviteServiceClient(conn)
+
+	// No longer print usage on returned error, since we've parsed our inputs
+	// See https://github.com/spf13/cobra/issues/340#issuecomment-374617413
+	cmd.SilenceUsage = true
+	format := viper.GetString("output")
+
+	res, err := client.GetInviteDetails(ctx, &minderv1.GetInviteDetailsRequest{
+		Code: args[0],
+	})
+	if err != nil {
+		return cli.MessageAndError("Error getting info for invitation", err)
+	}
+
+	switch format {
+	case app.JSON:
+		out, err := util.GetJsonFromProto(res)
+		if err != nil {
+			return cli.MessageAndError("Error getting json from proto", err)
+		}
+		cmd.Println(out)
+	case app.YAML:
+		out, err := util.GetYamlFromProto(res)
+		if err != nil {
+			return cli.MessageAndError("Error getting yaml from proto", err)
+		}
+		cmd.Println(out)
+	case app.Table:
+		t := table.New(table.Simple, layouts.Default, []string{"Sponsor", "Project", "Expires"})
+		t.AddRow(res.SponsorDisplay, res.ProjectDisplay, res.ExpiresAt.AsTime().Format(time.RFC3339))
+		t.Render()
+	default:
+		return fmt.Errorf("unsupported output format: %s", format)
+	}
+	return nil
+}
+
+func init() {
+	inviteCmd.AddCommand(inviteGetCmd)
+	inviteGetCmd.Flags().StringP("output", "o", app.Table,
+		fmt.Sprintf("Output format (one of %s)", strings.Join(app.SupportedOutputFormats(), ",")))
+}

cmd/cli/app/auth/invite/invite_list.go

@@ -50,7 +50,6 @@ func inviteListCommand(ctx context.Context, cmd *cobra.Command, _ []string, conn
 	// No longer print usage on returned error, since we've parsed our inputs
 	// See https://github.com/spf13/cobra/issues/340#issuecomment-374617413
 	cmd.SilenceUsage = true
-
 	format := viper.GetString("output")
 
 	res, err := client.ListInvitations(ctx, &minderv1.ListInvitationsRequest{})
@@ -72,6 +71,10 @@ func inviteListCommand(ctx context.Context, cmd *cobra.Command, _ []string, conn
 		}
 		cmd.Println(out)
 	case app.Table:
+		if len(res.Invitations) == 0 {
+			cmd.Println("No pending invitations")
+			return nil
+		}
 		t := table.New(table.Simple, layouts.Default, []string{"Sponsor", "Project", "Role", "Expires", "Code"})
 		for _, v := range res.Invitations {
 			t.AddRow(v.SponsorDisplay, v.Project, v.Role, v.ExpiresAt.AsTime().Format(time.RFC3339), v.Code)
@@ -85,7 +88,6 @@ func inviteListCommand(ctx context.Context, cmd *cobra.Command, _ []string, conn
 
 func init() {
 	inviteCmd.AddCommand(inviteListCmd)
-
 	inviteListCmd.Flags().StringP("output", "o", app.Table,
 		fmt.Sprintf("Output format (one of %s)", strings.Join(app.SupportedOutputFormats(), ",")))
 }