melib 0.8.13

library for e-mail clients and other e-mail applications
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133

/*
 * meli - imap module.
 *
 * Copyright 2019 Manos Pitsidianakis
 *
 * This file is part of meli.
 *
 * meli is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * meli is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with meli. If not, see <http://www.gnu.org/licenses/>.
 */

use std::sync::{Arc, Mutex, RwLock};

use crate::{
    backends::{
        BackendMailbox, LazyCountSet, Mailbox, MailboxHash, MailboxPermissions, SpecialUsageMailbox,
    },
    error::*,
    imap::protocol_parser::SelectResponse,
};

#[derive(Clone, Debug, Default)]
pub struct ImapMailbox {
    pub hash: MailboxHash,
    pub imap_path: String,
    pub path: String,
    pub name: String,
    pub parent: Option<MailboxHash>,
    pub children: Vec<MailboxHash>,
    pub separator: u8,
    pub usage: Arc<RwLock<SpecialUsageMailbox>>,
    pub select: Arc<RwLock<Option<SelectResponse>>>,
    pub no_select: bool,
    pub is_subscribed: bool,

    pub permissions: Arc<Mutex<MailboxPermissions>>,
    pub exists: Arc<Mutex<LazyCountSet>>,
    pub unseen: Arc<Mutex<LazyCountSet>>,
    pub warm: Arc<Mutex<bool>>,
}

impl ImapMailbox {
    pub fn imap_path(&self) -> &str {
        &self.imap_path
    }

    /// Establish that mailbox contents have been fetched at least once during
    /// this execution
    #[inline(always)]
    pub fn set_warm(&self, new_value: bool) {
        *self.warm.lock().unwrap() = new_value;
    }

    /// Mailbox contents have been fetched at least once during this execution
    #[inline(always)]
    pub fn is_warm(&self) -> bool {
        *self.warm.lock().unwrap()
    }

    /// Mailbox contents have not been fetched at all during this execution
    #[inline(always)]
    pub fn is_cold(&self) -> bool {
        !self.is_warm()
    }
}

impl BackendMailbox for ImapMailbox {
    fn hash(&self) -> MailboxHash {
        self.hash
    }

    fn name(&self) -> &str {
        &self.name
    }

    fn path(&self) -> &str {
        &self.path
    }

    fn children(&self) -> &[MailboxHash] {
        &self.children
    }

    fn clone(&self) -> Mailbox {
        Box::new(std::clone::Clone::clone(self))
    }

    fn special_usage(&self) -> SpecialUsageMailbox {
        *self.usage.read().unwrap()
    }

    fn parent(&self) -> Option<MailboxHash> {
        self.parent
    }

    fn permissions(&self) -> MailboxPermissions {
        *self.permissions.lock().unwrap()
    }
    fn is_subscribed(&self) -> bool {
        self.is_subscribed
    }
    fn set_is_subscribed(&mut self, new_val: bool) -> Result<()> {
        self.is_subscribed = new_val;
        Ok(())
    }

    fn set_special_usage(&mut self, new_val: SpecialUsageMailbox) -> Result<()> {
        *self.usage.write()? = new_val;
        Ok(())
    }

    fn count(&self) -> Result<(usize, usize)> {
        Ok((self.unseen.lock()?.len(), self.exists.lock()?.len()))
    }

    fn as_any(&self) -> &dyn std::any::Any {
        self
    }

    fn as_any_mut(&mut self) -> &mut dyn std::any::Any {
        self
    }
}