feat: add message push function call

internal/sdk/messenger/channels/email.go

@@ -0,0 +1,49 @@
+package channels
+
+import (
+	"fmt"
+	"github.com/engigu/baihu-panel/internal/sdk/message"
+	"strconv"
+)
+
+type EmailChannel struct{ *BaseChannel }
+
+func NewEmailChannel() Channel {
+	return &EmailChannel{NewBaseChannel(ChannelEmail, []string{FormatTypeHTML, FormatTypeText})}
+}
+
+func (c *EmailChannel) Send(config ChannelConfig, msg *Message) (*Result, error) {
+	server := config.GetString("server")
+	portStr := config.GetString("port")
+	account := config.GetString("account")
+	passwd := config.GetString("passwd")
+	fromName := config.GetString("from_name")
+	toAccount := config.GetString("to_account")
+
+	if server == "" || account == "" || passwd == "" {
+		return SendError("email config missing: server, account, passwd are required"), nil
+	}
+	if toAccount == "" {
+		return SendError("email config missing: to_account is required"), nil
+	}
+
+	port, _ := strconv.Atoi(portStr)
+	contentType, formattedContent := c.FormatContent(msg)
+
+	var emailer message.EmailMessage
+	emailer.Init(server, port, account, passwd, fromName)
+
+	var errMsg string
+	if contentType == FormatTypeText {
+		errMsg = emailer.SendTextMessage(toAccount, msg.Title, formattedContent)
+	} else if contentType == FormatTypeHTML {
+		errMsg = emailer.SendHtmlMessage(toAccount, msg.Title, formattedContent)
+	} else {
+		errMsg = fmt.Sprintf("未知的邮件发送内容类型：%s", contentType)
+	}
+
+	if errMsg != "" {
+		return ErrorResultStr("", errMsg), nil
+	}
+	return SuccessResult(""), nil
+}