99 lines
2.5 KiB
Rust
99 lines
2.5 KiB
Rust
/*
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* meli - nntp module.
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*
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* Copyright 2019 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use crate::backends::imap::LazyCountSet;
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use crate::backends::{
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BackendMailbox, Mailbox, MailboxHash, MailboxPermissions, SpecialUsageMailbox,
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};
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use crate::error::*;
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use std::sync::{Arc, Mutex};
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#[derive(Debug, Default, Clone)]
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pub struct NntpMailbox {
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pub(super) hash: MailboxHash,
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pub(super) nntp_path: String,
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pub high_watermark: Arc<Mutex<usize>>,
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pub low_watermark: Arc<Mutex<usize>>,
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pub exists: Arc<Mutex<LazyCountSet>>,
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pub unseen: Arc<Mutex<LazyCountSet>>,
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}
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impl NntpMailbox {
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pub fn nntp_path(&self) -> &str {
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&self.nntp_path
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}
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}
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impl BackendMailbox for NntpMailbox {
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fn hash(&self) -> MailboxHash {
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self.hash
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}
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fn name(&self) -> &str {
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&self.nntp_path
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}
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fn path(&self) -> &str {
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&self.nntp_path
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}
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fn change_name(&mut self, s: &str) {
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self.nntp_path = s.to_string();
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}
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fn children(&self) -> &[MailboxHash] {
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&[]
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}
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fn clone(&self) -> Mailbox {
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Box::new(std::clone::Clone::clone(self))
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}
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fn special_usage(&self) -> SpecialUsageMailbox {
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SpecialUsageMailbox::default()
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}
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fn parent(&self) -> Option<MailboxHash> {
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None
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}
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fn permissions(&self) -> MailboxPermissions {
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MailboxPermissions::default()
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}
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fn is_subscribed(&self) -> bool {
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true
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}
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fn set_is_subscribed(&mut self, _new_val: bool) -> Result<()> {
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Err(MeliError::new("Cannot set subscription in NNTP."))
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}
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fn set_special_usage(&mut self, _new_val: SpecialUsageMailbox) -> Result<()> {
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Err(MeliError::new("Cannot set special usage in NNTP."))
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}
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fn count(&self) -> Result<(usize, usize)> {
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Ok((self.unseen.lock()?.len(), self.exists.lock()?.len()))
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}
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}
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