iris-chat 0.1.58

Iris Chat command line client and shared encrypted chat core
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

use super::*;

impl AppCore {
    pub(super) fn clear_chats_and_deletions(&mut self) {
        self.cancel_all_publication_tasks();
        self.threads.clear();
        self.chat_deletions.clear();
        self.chat_read_states.clear();
        self.chat_mute_states.clear();
        self.chat_pin_states.clear();
        self.private_blocks.clear();
        self.name_approvals.clear();
        self.private_block_revision = self.private_block_revision.wrapping_add(1);
        self.pending_decrypted_delivery_acks.clear();
    }

    pub(super) fn chat_activity_is_deleted(&self, chat_id: &str, created_at: u64) -> bool {
        self.chat_deletions
            .get(chat_id)
            .is_some_and(|deleted_at| created_at <= *deleted_at)
    }

    // Explicitly reopening or sending starts after the deletion, even within
    // the same wire-clock second. Keep the cutoff to reject older history.
    pub(super) fn chat_activity_after_deletion(&self, chat_id: &str, now: u64) -> u64 {
        self.chat_deletions
            .get(chat_id)
            .map_or(now, |at| now.max(at.saturating_add(1)))
    }

    pub(super) fn delete_chat(&mut self, chat_id: &str) {
        let Some(chat_id) = self.normalize_chat_id(chat_id) else {
            return;
        };
        let group_id = parse_group_id_from_chat_id(&chat_id);
        if !self.threads.contains_key(&chat_id)
            && !group_id
                .as_ref()
                .is_some_and(|id| self.groups.contains_key(id))
        {
            return;
        }
        let deleted_at = self
            .threads
            .get(&chat_id)
            .map_or(unix_now().get(), |thread| {
                unix_now().get().max(thread.updated_at_secs)
            })
            .max(
                group_id
                    .as_ref()
                    .and_then(|id| self.groups.get(id))
                    .map_or(0, |group| group.updated_at.get()),
            );
        if self.apply_chat_deletion(&chat_id, deleted_at) {
            self.push_debug_log("chat.delete", chat_id);
            self.rebuild_persist_and_emit_state();
            self.broadcast_device_sync_snapshot();
        }
    }

    pub(super) fn apply_chat_deletion(&mut self, chat_id: &str, deleted_at: u64) -> bool {
        if self
            .chat_deletions
            .get(chat_id)
            .is_some_and(|at| *at >= deleted_at)
        {
            return false;
        }
        let keep_thread = self
            .threads
            .get(chat_id)
            .is_some_and(|thread| thread.updated_at_secs > deleted_at);
        let group_id = parse_group_id_from_chat_id(chat_id);
        let keep_group = keep_thread
            || group_id.as_ref().is_some_and(|id| {
                self.groups
                    .get(id)
                    .is_some_and(|group| group.updated_at.get() > deleted_at)
            });
        // The durable cutoff and history removal must commit together before
        // we notify siblings, otherwise a crash could resurrect deleted chats.
        if let Err(error) =
            self.app_store
                .apply_chat_deletion(chat_id, deleted_at, keep_thread, keep_group)
        {
            self.push_debug_log("storage.chat_delete.error", error.to_string());
            return false;
        }
        self.chat_deletions.insert(chat_id.to_string(), deleted_at);
        if keep_thread {
            if let Some(thread) = self.threads.get_mut(chat_id) {
                thread
                    .messages
                    .retain(|message| message.created_at_secs > deleted_at);
                thread.unread_count = thread.unread_count.min(thread.messages.len() as u64);
            }
        } else {
            self.threads.remove(chat_id);
            self.chat_message_ttl_seconds.remove(chat_id);
            self.preferences.muted_chat_ids.retain(|id| id != chat_id);
            self.preferences
                .timed_chat_mutes
                .retain(|mute| mute.chat_id != chat_id);
            self.preferences.pinned_chat_ids.retain(|id| id != chat_id);
            self.typing_indicators
                .retain(|_, indicator| indicator.chat_id != chat_id);
            self.typing_floor_secs.remove(chat_id);
            if self.active_chat_id.as_deref() == Some(chat_id) {
                self.active_chat_id = None;
            }
            self.screen_stack.retain(|screen| match screen {
                Screen::Chat { chat_id: id } | Screen::DirectChatInfo { chat_id: id } => {
                    id != chat_id
                }
                Screen::GroupDetails { group_id: id } => group_id.as_ref() != Some(id),
                _ => true,
            });
        }
        if !keep_group {
            if let Some(id) = group_id {
                self.groups.remove(&id);
                self.group_pictures.remove(&id);
                self.sync_runtime_groups();
            }
        }
        self.mark_mobile_push_dirty();
        true
    }
}