diff --git a/src/imap/mailbox_view.rs b/src/imap/mailbox_view.rs index d04fabf..1b9337e 100644 --- a/src/imap/mailbox_view.rs +++ b/src/imap/mailbox_view.rs @@ -59,6 +59,96 @@ impl<'a> FetchedMail<'a> { } } +pub struct MailIdentifiers { + i: NonZeroU32, + uid: ImapUid, + uuid: UniqueIdent, +} + +pub struct MailView<'a> { + ids: MailIdentifiers, + meta: MailMeta, + flags: Vec, + content: FetchedMail<'a>, +} + +pub struct AttributesProxy { + attrs: FetchAttributes +} +impl AttributeProxy { + fn new(attrs: &MacroOrFetchAttributes, is_uid_fetch: bool) -> Self { + // Expand macros + let mut fetch_attrs = match attributes { + MacroOrFetchAttributes::Macro(m) => m.expand(), + MacroOrFetchAttributes::FetchAttributes(a) => a.clone(), + }; + + // Handle uids + if *is_uid_fetch && !fetch_attrs.contains(&FetchAttribute::Uid) { + fetch_attrs.push(FetchAttribute::Uid); + } + + Self { attrs: fetch_attrs } + } + + fn need_body(&self) -> bool { + self.attrs.iter().any(|x| { + matches!( + x, + FetchAttribute::Body + | FetchAttribute::BodyExt { .. } + | FetchAttribute::Rfc822 + | FetchAttribute::Rfc822Text + | FetchAttribute::BodyStructure + ) + }) + } +} + +#[derive(Default)] +pub BatchMailViewBuilder<'a> struct { + attrs: AttributeProxy, + mi: Vec, + meta: Vec, + flags: Vec>, + bodies: Vec>, +} +impl BatchMailViewBuilder<'a> { + fn new(req_attr: &MacroOrFetchAttributes) -> Self { + Self { + attrs: AttributeProxy::new(req_attr) + } + } + + fn with_mail_identifiers(mut self, mi: Vec) -> Self { + self.mi = mi; + self + } + + fn with_metadata(mut self, meta: Vec) -> Self { + self.meta = meta; + self + } + + fn with_flags(mut self, flags: Vec>) -> Self { + self.flags = flags; + self + } + + fn collect_bodies(mut self, FnOnce) -> Self { + if self.attrs.need_body() { + + } else { + self.bodies = + } + self + } + + fn build(self) -> Result> { + + } +} + /// A MailboxView is responsible for giving the client the information /// it needs about a mailbox, such as an initial summary of the mailbox's /// content and continuous updates indicating when the content @@ -252,32 +342,29 @@ impl MailboxView { attributes: &MacroOrFetchAttributes, is_uid_fetch: &bool, ) -> Result> { + + /* + let mails = self.get_mail_ids(sequence_set, *is_uid_fetch)?; + let mails_uuid = mails + .iter() + .map(|mi| mi.uuid) + .collect::>(); + + let mails_meta = self.mailbox.fetch_meta(&mails_uuid).await?; + */ + + // mail identifiers let mails = self.get_mail_ids(sequence_set, *is_uid_fetch)?; let mails_uuid = mails .iter() .map(|(_i, _uid, uuid)| *uuid) .collect::>(); + + // mail metadata let mails_meta = self.mailbox.fetch_meta(&mails_uuid).await?; - let mut fetch_attrs = match attributes { - MacroOrFetchAttributes::Macro(m) => m.expand(), - MacroOrFetchAttributes::FetchAttributes(a) => a.clone(), - }; - if *is_uid_fetch && !fetch_attrs.contains(&FetchAttribute::Uid) { - fetch_attrs.push(FetchAttribute::Uid); - } - let need_body = fetch_attrs.iter().any(|x| { - matches!( - x, - FetchAttribute::Body - | FetchAttribute::BodyExt { .. } - | FetchAttribute::Rfc822 - | FetchAttribute::Rfc822Text - | FetchAttribute::BodyStructure - ) - }); - + // fectch email body and transform to a state usable by select let mails = if need_body { let mut iter = mails .into_iter() @@ -300,16 +387,16 @@ impl MailboxView { .collect::>() }; - let mut ret = vec![]; - for (i, uid, uuid, meta, body) in mails { - let mut attributes = vec![]; - - let (_uid2, flags) = self + // add flags + let mails = mails.into_iter().filter_map(|(i, uid, uuid, meta, body)| + self .known_state .table .get(&uuid) - .ok_or_else(|| anyhow!("Mail not in uidindex table: {}", uuid))?; + .map(|(_uid2, flags)| (i, uid, uuid, meta, flags, body))) + .collect::>(); + // parse email body / headers let fetched = match &body { Some(m) => { FetchedMail::Full(eml_codec::parse_message(m).or(Err(anyhow!("Invalid mail body")))?.1) @@ -319,6 +406,16 @@ impl MailboxView { } }; + // do the logic + select_mail_fragments(fetch_attrs, mails) + } + + todo!(); + + let mut ret = vec![]; + for (i, uid, uuid, meta, flags, body) in mails { + let mut attributes = vec![]; + for attr in fetch_attrs.iter() { match attr { FetchAttribute::Uid => attributes.push(MessageAttribute::Uid(uid)), @@ -433,8 +530,8 @@ impl MailboxView { // ---- - // Gets the UIDs and UUIDs of mails identified by a SequenceSet of - // sequence numbers + // Gets the IMAP ID, the IMAP UIDs and, the Aerogramme UUIDs of mails identified by a SequenceSet of + // sequence numbers (~ IMAP selector) fn get_mail_ids( &self, sequence_set: &SequenceSet,