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use std::convert::TryFrom;
use anyhow::Result;
use k2v_client::K2vClient;
use rusoto_s3::S3Client;
use tokio::sync::RwLock;
use crate::bayou::Bayou;
use crate::cryptoblob::Key;
use crate::login::Credentials;
use crate::mail::uidindex::*;
use crate::mail::unique_ident::*;
use crate::mail::IMF;
pub struct Mailbox {
id: UniqueIdent,
mbox: RwLock<MailboxInternal>,
}
impl Mailbox {
pub(super) async fn open(creds: &Credentials, id: UniqueIdent) -> Result<Self> {
let index_path = format!("index/{}", id);
let mail_path = format!("mail/{}", id);
let mut uid_index = Bayou::<UidIndex>::new(creds, index_path)?;
uid_index.sync().await?;
let mbox = RwLock::new(MailboxInternal {
id,
bucket: creds.bucket().to_string(),
encryption_key: creds.keys.master.clone(),
k2v: creds.k2v_client()?,
s3: creds.s3_client()?,
uid_index,
mail_path,
});
Ok(Self { id, mbox })
}
/// Get a clone of the current UID Index of this mailbox
/// (cloning is cheap so don't hesitate to use this)
pub async fn current_uid_index(&self) -> UidIndex {
self.mbox.read().await.uid_index.state().clone()
}
/// Insert an email in the mailbox
pub async fn append<'a>(&self, _msg: IMF<'a>) -> Result<()> {
unimplemented!()
}
/// Copy an email from an other Mailbox to this mailbox
/// (use this when possible, as it allows for a certain number of storage optimizations)
pub async fn copy(&self, _from: &Mailbox, _uid: ImapUid) -> Result<()> {
unimplemented!()
}
/// Delete all emails with the \Delete flag in the mailbox
/// Can be called by CLOSE and EXPUNGE
/// @FIXME do we want to implement this feature or a simpler "delete" command
/// The controller could then "fetch \Delete" and call delete on each email?
pub async fn expunge(&self) -> Result<()> {
unimplemented!()
}
/// Update flags of a range of emails
pub async fn store(&self) -> Result<()> {
unimplemented!()
}
pub async fn fetch(&self) -> Result<()> {
unimplemented!()
}
}
// ----
// Non standard but common flags:
// https://www.iana.org/assignments/imap-jmap-keywords/imap-jmap-keywords.xhtml
struct MailboxInternal {
id: UniqueIdent,
bucket: String,
mail_path: String,
encryption_key: Key,
k2v: K2vClient,
s3: S3Client,
uid_index: Bayou<UidIndex>,
}
impl MailboxInternal {
pub async fn test(&mut self) -> Result<()> {
self.uid_index.sync().await?;
dump(&self.uid_index);
let add_mail_op = self
.uid_index
.state()
.op_mail_add(gen_ident(), vec!["\\Unseen".into()]);
self.uid_index.push(add_mail_op).await?;
dump(&self.uid_index);
if self.uid_index.state().idx_by_uid.len() > 6 {
for i in 0..2 {
let (_, ident) = self
.uid_index
.state()
.idx_by_uid
.iter()
.skip(3 + i)
.next()
.unwrap();
let del_mail_op = self.uid_index.state().op_mail_del(*ident);
self.uid_index.push(del_mail_op).await?;
dump(&self.uid_index);
}
}
Ok(())
}
}
fn dump(uid_index: &Bayou<UidIndex>) {
let s = uid_index.state();
println!("---- MAILBOX STATE ----");
println!("UIDVALIDITY {}", s.uidvalidity);
println!("UIDNEXT {}", s.uidnext);
println!("INTERNALSEQ {}", s.internalseq);
for (uid, ident) in s.idx_by_uid.iter() {
println!(
"{} {} {}",
uid,
hex::encode(ident.0),
s.table.get(ident).cloned().unwrap().1.join(", ")
);
}
println!("");
}
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