first commit

cmd/main.go

@@ -0,0 +1,119 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"qmail/internal/config"
+	"qmail/internal/mail"
+
+	"github.com/jessevdk/go-flags"
+	"github.com/olekukonko/tablewriter"
+)
+
+type appOptions struct {
+	Config string `short:"c" long:"config" description:"Config file"`
+
+	Server    string `short:"s" long:"server" description:"SMTP server for sending"`
+	PrintList bool   `short:"l" long:"list" description:"Print servers"`
+
+	From string   `long:"from" description:"e-mail address indicated as sender"`
+	To   []string `long:"to" description:""`
+}
+
+type helpOptions struct {
+	PrintHelp bool `short:"h" long:"help" description:"Show this help message"`
+}
+
+func main() {
+	appOpt := appOptions{
+		Config: config.DefaultConfigPath,
+	}
+
+	f := flags.NewParser(&appOpt, flags.PassDoubleDash)
+	f.Usage = "[OPTIONS] [FILE]"
+	f.LongDescription = "The qmail utility is a tool designed for simple, fast, and convenient email sending"
+
+	helpOpt := helpOptions{}
+
+	f.AddGroup("Help options", "", &helpOpt)
+
+	args, err := f.ParseArgs(os.Args)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	if helpOpt.PrintHelp {
+		f.WriteHelp(os.Stderr)
+		return
+	}
+
+	cfg, err := config.LoadConfig(appOpt.Config)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	if appOpt.PrintList {
+		table := tablewriter.NewWriter(os.Stdout)
+
+		table.SetHeader([]string{"Name", "Host", "Port", "TLS", "Login"})
+
+		for _, s := range cfg.Servers {
+			login := ""
+
+			if s.Auth != nil {
+				login = s.Auth.Login
+			}
+
+			useTLS := "-"
+			if s.UseTLS {
+				useTLS = "+"
+			}
+
+			table.Append([]string{
+				s.Name,
+				s.Host,
+				fmt.Sprintf("%d", s.Port),
+				useTLS,
+				login,
+			})
+		}
+
+		table.Render()
+
+		return
+	}
+
+	if appOpt.Server != "" {
+		var server *config.Server
+
+		for _, s := range cfg.Servers {
+			if s.Name == appOpt.Server {
+				server = &s
+			}
+		}
+
+		if server == nil {
+			panic("omg")
+		}
+
+		var bodyFile string
+
+		if len(args) > 1 {
+			bodyFile = args[1]
+		} else {
+			bodyFile = "/dev/stdin"
+		}
+
+		body, err := os.ReadFile(bodyFile)
+		if err != nil {
+			panic("qq")
+		}
+
+		err = mail.SendMail(server, appOpt.From, appOpt.To, body)
+		if err != nil {
+			panic(err)
+		}
+	}
+}