1 files changed, 108 insertions, 0 deletions
diff --git a/commands/user/user_show.go b/commands/user/user_show.go
new file mode 100644
index 00000000..36c09e8e
--- /dev/null
+++ b/commands/user/user_show.go
@@ -0,0 +1,108 @@
+package usercmd
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"github.com/spf13/cobra"
+
+	"github.com/MichaelMure/git-bug/cache"
+	"github.com/MichaelMure/git-bug/commands/completion"
+	"github.com/MichaelMure/git-bug/commands/execenv"
+)
+
+type userShowOptions struct {
+	fields string
+}
+
+func newUserShowCommand() *cobra.Command {
+	env := execenv.NewEnv()
+	options := userShowOptions{}
+
+	cmd := &cobra.Command{
+		Use:     "user show [USER_ID]",
+		Short:   "Display a user identity",
+		PreRunE: execenv.LoadBackendEnsureUser(env),
+		RunE: execenv.CloseBackend(env, func(cmd *cobra.Command, args []string) error {
+			return runUserShow(env, options, args)
+		}),
+		ValidArgsFunction: completion.User(env),
+	}
+
+	flags := cmd.Flags()
+	flags.SortFlags = false
+
+	fields := []string{"email", "humanId", "id", "lastModification", "lastModificationLamports", "login", "metadata", "name"}
+	flags.StringVarP(&options.fields, "field", "f", "",
+		"Select field to display. Valid values are ["+strings.Join(fields, ",")+"]")
+	cmd.RegisterFlagCompletionFunc("field", completion.From(fields))
+
+	return cmd
+}
+
+func runUserShow(env *execenv.Env, opts userShowOptions, args []string) error {
+	if len(args) > 1 {
+		return errors.New("only one identity can be displayed at a time")
+	}
+
+	var id *cache.IdentityCache
+	var err error
+	if len(args) == 1 {
+		id, err = env.Backend.ResolveIdentityPrefix(args[0])
+	} else {
+		id, err = env.Backend.GetUserIdentity()
+	}
+
+	if err != nil {
+		return err
+	}
+
+	if opts.fields != "" {
+		switch opts.fields {
+		case "email":
+			env.Out.Printf("%s\n", id.Email())
+		case "login":
+			env.Out.Printf("%s\n", id.Login())
+		case "humanId":
+			env.Out.Printf("%s\n", id.Id().Human())
+		case "id":
+			env.Out.Printf("%s\n", id.Id())
+		case "lastModification":
+			env.Out.Printf("%s\n", id.LastModification().
+				Time().Format("Mon Jan 2 15:04:05 2006 +0200"))
+		case "lastModificationLamport":
+			for name, t := range id.LastModificationLamports() {
+				env.Out.Printf("%s\n%d\n", name, t)
+			}
+		case "metadata":
+			for key, value := range id.ImmutableMetadata() {
+				env.Out.Printf("%s\n%s\n", key, value)
+			}
+		case "name":
+			env.Out.Printf("%s\n", id.Name())
+
+		default:
+			return fmt.Errorf("\nUnsupported field: %s\n", opts.fields)
+		}
+
+		return nil
+	}
+
+	env.Out.Printf("Id: %s\n", id.Id())
+	env.Out.Printf("Name: %s\n", id.Name())
+	env.Out.Printf("Email: %s\n", id.Email())
+	env.Out.Printf("Login: %s\n", id.Login())
+	env.Out.Printf("Last modification: %s\n", id.LastModification().Time().Format("Mon Jan 2 15:04:05 2006 +0200"))
+	env.Out.Printf("Last moditication (lamport):\n")
+	for name, t := range id.LastModificationLamports() {
+		env.Out.Printf("\t%s: %d", name, t)
+	}
+	env.Out.Println("Metadata:")
+	for key, value := range id.ImmutableMetadata() {
+		env.Out.Printf("    %s --> %s\n", key, value)
+	}
+	// env.Out.Printf("Protected: %v\n", id.IsProtected())
+
+	return nil
+}