50 lines
1.7 KiB
Rust
50 lines
1.7 KiB
Rust
use imap_codec::imap_types::fetch::{MacroOrMessageDataItemNames, MessageDataItemName};
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/// Internal decisions based on fetched attributes
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/// passed by the client
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pub struct AttributesProxy {
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pub attrs: Vec<MessageDataItemName<'static>>,
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}
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impl AttributesProxy {
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pub fn new(attrs: &MacroOrMessageDataItemNames<'static>, is_uid_fetch: bool) -> Self {
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// Expand macros
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let mut fetch_attrs = match attrs {
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MacroOrMessageDataItemNames::Macro(m) => {
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use imap_codec::imap_types::fetch::Macro;
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use MessageDataItemName::*;
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match m {
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Macro::All => vec![Flags, InternalDate, Rfc822Size, Envelope],
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Macro::Fast => vec![Flags, InternalDate, Rfc822Size],
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Macro::Full => vec![Flags, InternalDate, Rfc822Size, Envelope, Body],
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_ => {
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tracing::error!("unimplemented macro");
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vec![]
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}
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}
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}
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MacroOrMessageDataItemNames::MessageDataItemNames(a) => a.clone(),
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};
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// Handle uids
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if is_uid_fetch && !fetch_attrs.contains(&MessageDataItemName::Uid) {
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fetch_attrs.push(MessageDataItemName::Uid);
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}
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Self { attrs: fetch_attrs }
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}
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pub fn need_body(&self) -> bool {
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self.attrs.iter().any(|x| {
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matches!(
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x,
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MessageDataItemName::Body
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| MessageDataItemName::BodyExt { .. }
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| MessageDataItemName::Rfc822
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| MessageDataItemName::Rfc822Text
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| MessageDataItemName::BodyStructure
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)
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})
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}
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}
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