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use imap_codec::imap_types::core::Atom;
use imap_codec::imap_types::flag::{Flag, FlagFetch};
pub fn from_str(f: &str) -> Option<FlagFetch<'static>> {
match f.chars().next() {
Some('\\') => match f {
"\\Seen" => Some(FlagFetch::Flag(Flag::Seen)),
"\\Answered" => Some(FlagFetch::Flag(Flag::Answered)),
"\\Flagged" => Some(FlagFetch::Flag(Flag::Flagged)),
"\\Deleted" => Some(FlagFetch::Flag(Flag::Deleted)),
"\\Draft" => Some(FlagFetch::Flag(Flag::Draft)),
"\\Recent" => Some(FlagFetch::Recent),
_ => match Atom::try_from(f.strip_prefix('\\').unwrap().to_string()) {
Err(_) => {
tracing::error!(flag=%f, "Unable to encode flag as IMAP atom");
None
}
Ok(a) => Some(FlagFetch::Flag(Flag::system(a))),
},
},
Some(_) => match Atom::try_from(f.to_string()) {
Err(_) => {
tracing::error!(flag=%f, "Unable to encode flag as IMAP atom");
None
}
Ok(a) => Some(FlagFetch::Flag(Flag::keyword(a))),
},
None => None,
}
}
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