Add notification doc comments

This commit is contained in:
Max Brunsfeld 2023-10-05 16:43:18 -07:00
parent cf6ce0dbad
commit 50cf25ae97
2 changed files with 21 additions and 5 deletions

View file

@ -42,7 +42,7 @@ impl Database {
let Some(kind) = NotificationKind::from_i32(row.kind) else {
continue;
};
let Some(notification) = Notification::from_fields(
let Some(notification) = Notification::from_parts(
kind,
[
row.entity_id_1.map(|id| id as u64),
@ -54,7 +54,7 @@ impl Database {
};
// Gather the ids of all associated entities.
let (_, associated_entities) = notification.to_fields();
let (_, associated_entities) = notification.to_parts();
for entity in associated_entities {
let Some((id, kind)) = entity else {
break;
@ -124,7 +124,7 @@ impl Database {
notification: Notification,
tx: &DatabaseTransaction,
) -> Result<()> {
let (kind, associated_entities) = notification.to_fields();
let (kind, associated_entities) = notification.to_parts();
notification::ActiveModel {
recipient_id: ActiveValue::Set(recipient_id),
kind: ActiveValue::Set(kind as i32),

View file

@ -34,7 +34,13 @@ pub enum NotificationEntityKind {
}
impl Notification {
pub fn from_fields(kind: NotificationKind, entity_ids: [Option<u64>; 3]) -> Option<Self> {
/// Load this notification from its generic representation, which is
/// used to represent it in the database, and in the wire protocol.
///
/// The order in which a given notification type's fields are listed must
/// match the order they're listed in the `to_parts` method, and it must
/// not change, because they're stored in that order in the database.
pub fn from_parts(kind: NotificationKind, entity_ids: [Option<u64>; 3]) -> Option<Self> {
use NotificationKind::*;
Some(match kind {
@ -53,7 +59,17 @@ impl Notification {
})
}
pub fn to_fields(&self) -> (NotificationKind, [Option<(u64, NotificationEntityKind)>; 3]) {
/// Convert this notification into its generic representation, which is
/// used to represent it in the database, and in the wire protocol.
///
/// The order in which a given notification type's fields are listed must
/// match the order they're listed in the `from_parts` method, and it must
/// not change, because they're stored in that order in the database.
///
/// Along with each field, provide the kind of entity that the field refers
/// to. This is used to load the associated entities for a batch of
/// notifications from the database.
pub fn to_parts(&self) -> (NotificationKind, [Option<(u64, NotificationEntityKind)>; 3]) {
use NotificationKind::*;
match self {