1use thiserror::Error;
4
5pub type Result<T> = std::result::Result<T, EmailError>;
7
8#[derive(Debug, Error)]
10pub enum EmailError {
11 #[error("Configuration error: {0}")]
13 Config(String),
14
15 #[error("Invalid email address: {0}")]
17 InvalidAddress(String),
18
19 #[error("SMTP connection failed: {0}")]
21 SmtpConnection(String),
22
23 #[error("Failed to send email: {0}")]
25 SendFailed(String),
26
27 #[error("Template not found: {0}")]
29 TemplateNotFound(String),
30
31 #[error("Template render error: {0}")]
33 TemplateRender(String),
34
35 #[error("MJML parse error: {0}")]
37 MjmlParse(String),
38
39 #[error("MJML render error: {0}")]
41 MjmlRender(String),
42
43 #[error("Missing environment variable: {0}")]
45 MissingEnvVar(String),
46
47 #[error("Invalid TLS setting: {0}")]
49 InvalidTls(String),
50}
51
52impl From<lettre::transport::smtp::Error> for EmailError {
53 fn from(err: lettre::transport::smtp::Error) -> Self {
54 EmailError::SendFailed(err.to_string())
55 }
56}
57
58impl From<lettre::address::AddressError> for EmailError {
59 fn from(err: lettre::address::AddressError) -> Self {
60 EmailError::InvalidAddress(err.to_string())
61 }
62}
63
64impl From<handlebars::RenderError> for EmailError {
65 fn from(err: handlebars::RenderError) -> Self {
66 EmailError::TemplateRender(err.to_string())
67 }
68}
69
70impl From<handlebars::TemplateError> for EmailError {
71 fn from(err: handlebars::TemplateError) -> Self {
72 EmailError::TemplateRender(err.to_string())
73 }
74}