89 lines
2.3 KiB
Rust
89 lines
2.3 KiB
Rust
use lettre::message::header::ContentType;
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use lettre::message::Message;
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use lettre::transport::smtp::authentication::Credentials;
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use lettre::Address;
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use lettre::AsyncSmtpTransport;
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use lettre::AsyncTransport;
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use std::sync::Arc;
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use std::sync::RwLock;
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lazy_static::lazy_static! {
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static ref HANDLEBARS: Arc<RwLock<handlebars::Handlebars<'static>>> =
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Arc::new(handlebars::Handlebars::new().into());
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}
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#[derive(Clone)]
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pub struct Mailer {
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smtp_transport: AsyncSmtpTransport<lettre::Tokio1Executor>,
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smtp_username: String,
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}
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impl Mailer {
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pub async fn new(
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smtp_username: String,
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smtp_password: String,
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smtp_host: &str,
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smtp_port: u16,
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) -> Result<Self, anyhow::Error> {
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let creds = Credentials::new(smtp_username.clone(), smtp_password);
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let smtp_transport = AsyncSmtpTransport::<lettre::Tokio1Executor>::relay(smtp_host)?
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.credentials(creds)
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.port(smtp_port)
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.build();
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let workspace_invite_template =
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include_str!("../assets/mailer_templates/build_production/workspace_invitation.html");
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HANDLEBARS
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.write()
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.unwrap()
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.register_template_string("workspace_invite", workspace_invite_template)
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.unwrap();
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Ok(Self {
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smtp_transport,
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smtp_username,
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})
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}
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pub async fn send_workspace_invite(
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&self,
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email: String,
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param: WorkspaceInviteMailerParam,
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) -> Result<(), anyhow::Error> {
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let rendered = HANDLEBARS
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.read()
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.unwrap()
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.render("workspace_invite", ¶m)?;
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let email = Message::builder()
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.from(lettre::message::Mailbox::new(
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Some("AppFlowy Notification".to_string()),
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self.smtp_username.parse::<Address>()?,
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))
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.to(lettre::message::Mailbox::new(
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Some(param.username.clone()),
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email.parse().unwrap(),
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))
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.subject(format!(
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"Action required: {} invited you to {} in AppFlowy",
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param.username, param.workspace_name
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))
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.header(ContentType::TEXT_HTML)
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.body(rendered)?;
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AsyncTransport::send(&self.smtp_transport, email).await?;
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Ok(())
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}
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}
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#[derive(serde::Serialize)]
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pub struct WorkspaceInviteMailerParam {
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pub user_icon_url: String,
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pub username: String, // Inviter
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pub workspace_name: String,
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pub workspace_icon_url: String,
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pub workspace_member_count: String,
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pub accept_url: String,
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}
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