49 lines
1.3 KiB
Rust
49 lines
1.3 KiB
Rust
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use imphnen_libs::{ENV, Env};
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use lettre::message::Mailbox;
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use lettre::transport::smtp::authentication::Credentials;
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use lettre::{Message, SmtpTransport, Transport};
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use std::error::Error;
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use crate::error::EmailError;
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pub fn send_email(
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to: &str,
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subject: &str,
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body: &str,
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) -> Result<(), Box<dyn Error>> {
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let env = &ENV;
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let message = build_message(to, subject, body, env)?;
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let mailer = build_transport(env)?;
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mailer.send(&message).map_err(|e| {
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tracing::error!("Failed to send email to {}: {}", to, e);
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Box::new(EmailError::Transport(e.to_string())) as Box<dyn Error>
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})?;
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tracing::info!("Email sent to: {}", to);
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Ok(())
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}
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fn build_message(
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to: &str,
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subject: &str,
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body: &str,
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env: &Env,
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) -> Result<Message, Box<dyn Error>> {
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let sender_name = env.smtp_name.replace("-", " ");
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Message::builder()
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.from(Mailbox::new(Some(sender_name), env.smtp_email.parse()?))
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.to(to.parse()?)
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.subject(subject)
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.body(body.to_string())
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.map_err(|e| Box::new(EmailError::MessageBuild(e.to_string())) as Box<dyn Error>)
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}
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fn build_transport(env: &Env) -> Result<SmtpTransport, Box<dyn Error>> {
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let credentials =
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Credentials::new(env.smtp_email.clone(), env.smtp_password.replace("-", " "));
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Ok(
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SmtpTransport::relay(&env.smtp_host)?
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.credentials(credentials)
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.build(),
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)
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}
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