zitadel/internal/notification/channels/fs/channel.go

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package fs
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"sort"
"strings"
"time"
"github.com/zitadel/logging"
caos_errors "github.com/zitadel/zitadel/internal/errors"
"github.com/k3a/html2text"
"github.com/zitadel/zitadel/internal/notification/channels"
"github.com/zitadel/zitadel/internal/notification/messages"
)
func InitFSChannel(config Config) (channels.NotificationChannel, error) {
if err := os.MkdirAll(config.Path, os.ModePerm); err != nil {
return nil, err
}
logging.Debug("successfully initialized filesystem email and sms channel")
return channels.HandleMessageFunc(func(message channels.Message) error {
fileName := fmt.Sprintf("%d_", time.Now().Unix())
content := message.GetContent()
switch msg := message.(type) {
case *messages.Email:
recipients := make([]string, len(msg.Recipients))
copy(recipients, msg.Recipients)
sort.Strings(recipients)
fileName = fileName + "mail_to_" + strings.Join(recipients, "_") + ".html"
if config.Compact {
content = html2text.HTML2Text(content)
}
case *messages.SMS:
fileName = fileName + "sms_to_" + msg.RecipientPhoneNumber + ".txt"
default:
return caos_errors.ThrowUnimplementedf(nil, "NOTIF-6f9a1", "filesystem provider doesn't support message type %T", message)
}
return ioutil.WriteFile(filepath.Join(config.Path, fileName), []byte(content), 0666)
}), nil
}