52 lines
1.3 KiB
Rust
52 lines
1.3 KiB
Rust
use sled::{Db, Transactional};
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use crate::Message;
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use std::str::FromStr;
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pub(crate) struct Store {
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db: Db,
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mailbox: String,
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}
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type ER = Result<(), sled::Error>;
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type BR = Result<bool, sled::Error>;
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impl Store {
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pub fn load_database_for_mailbox<S: Into<String>>(mailbox: S) -> Result<Self, sled::Error> {
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let db = sled::open("data/maildb")?;
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Ok(Store {
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db,
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mailbox: mailbox.into(),
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})
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}
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pub fn store_mail(&self, message: &Message) -> ER {
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self.mb()?.insert(message.get_uid(), &*message.data)?;
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Ok(())
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}
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pub fn has_mail<S: Into<String>>(&self, uid: S) -> BR {
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self.mb()?.contains_key(uid.into())
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}
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pub fn mark_in_feed<S: Into<String>>(&self, uid: S) -> ER {
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self.feed()?.insert(uid.into(), &[1])?;
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Ok(())
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}
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pub fn is_in_feed<S: Into<String>>(&self, uid: S) -> BR {
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match self.feed()?.get(uid.into())? {
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Some(v) => Ok(bincode::deserialize(&v).expect("Cannot convert to bool")),
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None => Ok(false),
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}
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}
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fn mb(&self) -> Result<sled::Tree, sled::Error> {
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self.db.open_tree(&self.mailbox)
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}
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fn feed(&self) -> Result<sled::Tree, sled::Error> {
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self.db.open_tree("feed")
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}
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}
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