chore: move the go code into a subfolder

apps/api/internal/notification/senders/email.go

@@ -0,0 +1,68 @@
+package senders
+
+import (
+	"context"
+
+	"github.com/zitadel/logging"
+
+	"github.com/zitadel/zitadel/internal/api/authz"
+	"github.com/zitadel/zitadel/internal/notification/channels"
+	"github.com/zitadel/zitadel/internal/notification/channels/email"
+	"github.com/zitadel/zitadel/internal/notification/channels/fs"
+	"github.com/zitadel/zitadel/internal/notification/channels/instrumenting"
+	"github.com/zitadel/zitadel/internal/notification/channels/log"
+	"github.com/zitadel/zitadel/internal/notification/channels/smtp"
+	"github.com/zitadel/zitadel/internal/notification/channels/webhook"
+)
+
+const smtpSpanName = "smtp.NotificationChannel"
+
+func EmailChannels(
+	ctx context.Context,
+	emailConfig *email.Config,
+	getFileSystemProvider func(ctx context.Context) (*fs.Config, error),
+	getLogProvider func(ctx context.Context) (*log.Config, error),
+	successMetricName,
+	failureMetricName string,
+) (chain *Chain, err error) {
+	channels := make([]channels.NotificationChannel, 0, 3)
+	if emailConfig.SMTPConfig != nil {
+		p, err := smtp.InitChannel(emailConfig.SMTPConfig)
+		logging.WithFields(
+			"instance", authz.GetInstance(ctx).InstanceID(),
+		).OnError(err).Debug("initializing SMTP channel failed")
+		if err == nil {
+			channels = append(
+				channels,
+				instrumenting.Wrap(
+					ctx,
+					p,
+					smtpSpanName,
+					successMetricName,
+					failureMetricName,
+				),
+			)
+		}
+	}
+	if emailConfig.WebhookConfig != nil {
+		webhookChannel, err := webhook.InitChannel(ctx, *emailConfig.WebhookConfig)
+		logging.WithFields(
+			"instance", authz.GetInstance(ctx).InstanceID(),
+			"callurl", emailConfig.WebhookConfig.CallURL,
+		).OnError(err).Debug("initializing JSON channel failed")
+		if err == nil {
+			channels = append(
+				channels,
+				instrumenting.Wrap(
+					ctx,
+					webhookChannel,
+					webhookSpanName,
+					successMetricName,
+					failureMetricName,
+				),
+			)
+		}
+	}
+	channels = append(channels, debugChannels(ctx, getFileSystemProvider, getLogProvider)...)
+	return ChainChannels(channels...), nil
+}