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
|
use sqlx::{Transaction, sqlite::Sqlite};
use super::{History, repo::Provider as _, validate};
use crate::{
clock::DateTime,
event::{Broadcaster, Event, repo::Provider as _},
name::Name,
password::{Password, StoredHash},
};
#[must_use = "dropping a user creation attempt is likely a mistake"]
pub struct Create<'a> {
name: &'a Name,
password: &'a Password,
created_at: &'a DateTime,
}
impl<'a> Create<'a> {
pub fn begin(name: &'a Name, password: &'a Password, created_at: &'a DateTime) -> Self {
Self {
name,
password,
created_at,
}
}
pub fn validate(self) -> Result<Validated<'a>, Error> {
let Self {
name,
password,
created_at,
} = self;
if !validate::name(name) {
return Err(Error::InvalidName(name.clone()));
}
let password_hash = password.hash()?;
Ok(Validated {
name,
password_hash,
created_at,
})
}
}
#[must_use = "dropping a user creation attempt is likely a mistake"]
pub struct Validated<'a> {
name: &'a Name,
password_hash: StoredHash,
created_at: &'a DateTime,
}
impl Validated<'_> {
pub async fn store(self, tx: &mut Transaction<'_, Sqlite>) -> Result<Stored, sqlx::Error> {
let Self {
name,
password_hash,
created_at,
} = self;
let created = tx.sequence().next(created_at).await?;
let user = tx.users().create(name, &password_hash, &created).await?;
Ok(Stored { user })
}
}
#[must_use = "dropping a user creation attempt is likely a mistake"]
pub struct Stored {
user: History,
}
impl Stored {
pub fn publish(self, events: &Broadcaster) {
let Self { user } = self;
events.broadcast(user.events().map(Event::from).collect::<Vec<_>>());
}
pub fn user(&self) -> &History {
&self.user
}
}
#[derive(Debug, thiserror::Error)]
pub enum Error {
#[error("invalid user name: {0}")]
InvalidName(Name),
#[error(transparent)]
PasswordHash(#[from] password_hash::Error),
}
|
