From dfe4290713ba80ee1e5bdbb6bf3c71ae86878b2b Mon Sep 17 00:00:00 2001
From: Mo8it <mo8it@proton.me>
Date: Sat, 29 Oct 2022 00:41:18 +0200
Subject: [PATCH] Add mailer

---
 src/mailer.rs | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 src/mailer.rs

diff --git a/src/mailer.rs b/src/mailer.rs
new file mode 100644
index 0000000..b531c86
--- /dev/null
+++ b/src/mailer.rs
@@ -0,0 +1,75 @@
+use anyhow::{Context, Result};
+use lettre::address::Address;
+use lettre::message::{Mailbox, MessageBuilder};
+use lettre::transport::smtp::authentication::Credentials;
+use lettre::Transport;
+use lettre::{Message, SmtpTransport};
+
+use crate::config;
+
+pub struct Mailer {
+    mailer: SmtpTransport,
+    message_builder: MessageBuilder,
+}
+
+impl Mailer {
+    pub fn new(config: &config::Config) -> Result<Self> {
+        let creds = Credentials::new(
+            config.email_server.email.clone(),
+            config.email_server.password.clone(),
+        );
+
+        let mailer = SmtpTransport::relay(&config.email_server.server_name)
+            .context("Failed to connect to the email server!")?
+            .credentials(creds)
+            .build();
+
+        let message_builder = Message::builder()
+            .from(Mailbox::new(
+                Some(config.email_from.name.clone()),
+                Address::new(&config.email_from.user, &config.email_from.domain)
+                    .context("Failed to create the From email address!")?,
+            ))
+            .to(Mailbox::new(
+                Some(config.email_to.name.clone()),
+                Address::new(&config.email_to.user, &config.email_to.domain)
+                    .context("Failed to create the To email address!")?,
+            ));
+
+        Ok(Self {
+            mailer,
+            message_builder,
+        })
+    }
+
+    pub fn send(&self, name: &str, email: &str, telefon: &str, message: &str) -> Result<()> {
+        let name = name.trim().to_string();
+        let telefon = telefon.trim();
+        let message = message.trim().to_string();
+
+        let subject = "Message from ".to_string() + &name;
+
+        let body = if telefon.len() > 0 {
+            message + "\n\nTelefon: " + &telefon
+        } else {
+            message
+        };
+
+        let email = self
+            .message_builder
+            .clone()
+            .reply_to(Mailbox::new(
+                Some(name),
+                email
+                    .parse()
+                    .context("Failed to parse the email from the form to an address!")?,
+            ))
+            .subject(subject)
+            .body(body)
+            .context("Failed to build email!")?;
+
+        self.mailer.send(&email).context("Failed to send email!")?;
+
+        Ok(())
+    }
+}