Implement subcommands: users, useradd, userdel

cmd/mailfull/command/users.go

@@ -0,0 +1,66 @@
+package command
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/directorz/mailfull-go"
+)
+
+// UsersCommand represents a UsersCommand.
+type UsersCommand struct {
+	Meta
+}
+
+// Synopsis returns a one-line synopsis.
+func (c *UsersCommand) Synopsis() string {
+	return "Show users."
+}
+
+// Help returns long-form help text.
+func (c *UsersCommand) Help() string {
+	txt := fmt.Sprintf(`
+Usage:
+    %s %s domain
+
+Description:
+    %s
+
+Required Args:
+    domain
+        The domain name.
+`,
+		c.CmdName, c.SubCmdName,
+		c.Synopsis())
+
+	return txt[1:]
+}
+
+// Run runs the command and returns the exit status.
+func (c *UsersCommand) Run(args []string) int {
+	if len(args) != 1 {
+		fmt.Fprintf(c.UI.ErrorWriter, "%v\n", c.Help())
+		return 1
+	}
+
+	targetDomainName := args[0]
+
+	repo, err := mailfull.OpenRepository(".")
+	if err != nil {
+		fmt.Fprintf(c.UI.ErrorWriter, "[ERR] %v\n", err)
+		return 1
+	}
+
+	users, err := repo.Users(targetDomainName)
+	if err != nil {
+		fmt.Fprintf(c.UI.ErrorWriter, "[ERR] %v\n", err)
+		return 1
+	}
+	sort.Sort(mailfull.UserSlice(users))
+
+	for _, user := range users {
+		fmt.Fprintf(c.UI.Writer, "%s\n", user.Name())
+	}
+
+	return 0
+}