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
|
use itertools::Itertools as _;
use sqlx::sqlite::SqlitePool;
use super::Snapshot;
use crate::{
conversation::{self, repo::Provider as _},
db::NotFound,
event::{Event, Sequence, repo::Provider as _},
message::{self, repo::Provider as _},
name,
user::{self, repo::Provider as _},
vapid::{self, repo::Provider as _},
};
pub struct Boot {
db: SqlitePool,
}
impl Boot {
pub const fn new(db: SqlitePool) -> Self {
Self { db }
}
pub async fn snapshot(&self) -> Result<Snapshot, Error> {
let mut tx = self.db.begin().await?;
let resume_point = tx.sequence().current().await?;
let users = tx.users().all(resume_point).await?;
let conversations = tx.conversations().all(resume_point).await?;
let messages = tx.messages().all(resume_point).await?;
let vapid = tx.vapid().current().await.optional()?;
tx.commit().await?;
let user_events = users
.iter()
.map(user::History::events)
.kmerge_by(Sequence::merge)
.filter(Sequence::up_to(resume_point))
.map(Event::from);
let conversation_events = conversations
.iter()
.map(conversation::History::events)
.kmerge_by(Sequence::merge)
.filter(Sequence::up_to(resume_point))
.map(Event::from);
let message_events = messages
.iter()
.map(message::History::events)
.kmerge_by(Sequence::merge)
.filter(Sequence::up_to(resume_point))
.map(Event::from);
let vapid_events = vapid
.iter()
.flat_map(vapid::History::events)
.filter(Sequence::up_to(resume_point))
.map(Event::from);
let events = user_events
.merge_by(conversation_events, Sequence::merge)
.merge_by(message_events, Sequence::merge)
.merge_by(vapid_events, Sequence::merge)
.collect();
Ok(Snapshot {
resume_point,
events,
})
}
}
#[derive(Debug, thiserror::Error)]
#[error(transparent)]
pub enum Error {
Database(#[from] sqlx::Error),
Name(#[from] name::Error),
Ecdsa(#[from] p256::ecdsa::Error),
Pkcs8(#[from] p256::pkcs8::Error),
WebPush(#[from] web_push::WebPushError),
}
impl From<user::repo::LoadError> for Error {
fn from(error: user::repo::LoadError) -> Self {
use user::repo::LoadError;
match error {
LoadError::Name(error) => error.into(),
LoadError::Database(error) => error.into(),
}
}
}
impl From<conversation::repo::LoadError> for Error {
fn from(error: conversation::repo::LoadError) -> Self {
use conversation::repo::LoadError;
match error {
LoadError::Name(error) => error.into(),
LoadError::Database(error) => error.into(),
}
}
}
impl From<vapid::repo::Error> for Error {
fn from(error: vapid::repo::Error) -> Self {
use vapid::repo::Error;
match error {
Error::Database(error) => error.into(),
Error::Ecdsa(error) => error.into(),
Error::Pkcs8(error) => error.into(),
Error::WebPush(error) => error.into(),
}
}
}
|
