mail und logging

apps/api/src/mail/mail-errors.ts

@@ -0,0 +1,25 @@
+export class PortalMailTemplateError extends Error {
+  constructor(
+    readonly templateName: string,
+    cause: unknown,
+  ) {
+    super(`Mail template rendering failed for "${templateName}": ${errorMessage(cause)}`);
+    this.name = 'PortalMailTemplateError';
+    this.cause = cause;
+  }
+}
+
+export class PortalMailDeliveryError extends Error {
+  constructor(
+    readonly templateName: string,
+    cause: unknown,
+  ) {
+    super(`Mail delivery failed for "${templateName}": ${errorMessage(cause)}`);
+    this.name = 'PortalMailDeliveryError';
+    this.cause = cause;
+  }
+}
+
+function errorMessage(error: unknown): string {
+  return error instanceof Error ? error.message : 'unknown error';
+}