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feat(notification): recover notification since last known event on client resume

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This commit is contained in:
Edouard Vanbelle
2026-09-12 00:16:06 +02:00
parent 617ae4b424
commit ebe467ee92
7 changed files with 345 additions and 132 deletions
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src/infrastructure/repositories/pg/notification_pg_repository.rs
+29 -98
View File
@@ -79,105 +79,36 @@ impl NotificationRepository for NotificationPgRepository {
user_id: Uuid,
filter: &NotificationListFilter,
) -> Result<Vec<Notification>, DomainError> {
// Dynamic-shape query built to still hit the
// notifications_user_created_read index — every branch keys
// on (user_id, created_at DESC).
// One dynamic query covers every combination of
// (unread_only, before, after). NULL sentinels short-circuit
// the corresponding predicate at planner time, so the
// notifications_user_created_read index still drives the
// scan — the extra `IS NULL` checks are constant-folded.
//
// `before` and `after` combine: passing both bounds the
// returned range on both sides — useful for future
// "paginate a specific window" flows, harmless today when
// callers use one at a time.
let limit: i64 = filter.limit.unwrap_or(50).min(500) as i64;
let rows = match (filter.unread_only, filter.before) {
(None, None) => {
sqlx::query(
r#"
SELECT id, user_id, kind, payload, created_at, read_at
FROM notif.notifications
WHERE user_id = $1::uuid
ORDER BY created_at DESC
LIMIT $2
"#,
)
.bind(user_id)
.bind(limit)
.fetch_all(self.pool.as_ref())
.await
}
(Some(true), None) => {
sqlx::query(
r#"
SELECT id, user_id, kind, payload, created_at, read_at
FROM notif.notifications
WHERE user_id = $1::uuid AND read_at IS NULL
ORDER BY created_at DESC
LIMIT $2
"#,
)
.bind(user_id)
.bind(limit)
.fetch_all(self.pool.as_ref())
.await
}
(Some(false), None) => {
sqlx::query(
r#"
SELECT id, user_id, kind, payload, created_at, read_at
FROM notif.notifications
WHERE user_id = $1::uuid AND read_at IS NOT NULL
ORDER BY created_at DESC
LIMIT $2
"#,
)
.bind(user_id)
.bind(limit)
.fetch_all(self.pool.as_ref())
.await
}
(None, Some(before)) => {
sqlx::query(
r#"
SELECT id, user_id, kind, payload, created_at, read_at
FROM notif.notifications
WHERE user_id = $1::uuid AND created_at < $2
ORDER BY created_at DESC
LIMIT $3
"#,
)
.bind(user_id)
.bind(before)
.bind(limit)
.fetch_all(self.pool.as_ref())
.await
}
(Some(true), Some(before)) => {
sqlx::query(
r#"
SELECT id, user_id, kind, payload, created_at, read_at
FROM notif.notifications
WHERE user_id = $1::uuid AND read_at IS NULL AND created_at < $2
ORDER BY created_at DESC
LIMIT $3
"#,
)
.bind(user_id)
.bind(before)
.bind(limit)
.fetch_all(self.pool.as_ref())
.await
}
(Some(false), Some(before)) => {
sqlx::query(
r#"
SELECT id, user_id, kind, payload, created_at, read_at
FROM notif.notifications
WHERE user_id = $1::uuid AND read_at IS NOT NULL AND created_at < $2
ORDER BY created_at DESC
LIMIT $3
"#,
)
.bind(user_id)
.bind(before)
.bind(limit)
.fetch_all(self.pool.as_ref())
.await
}
}
let rows = sqlx::query(
r#"
SELECT id, user_id, kind, payload, created_at, read_at
FROM notif.notifications
WHERE user_id = $1::uuid
AND ($2::bool = FALSE OR read_at IS NULL)
AND ($3::timestamptz IS NULL OR created_at < $3)
AND ($4::timestamptz IS NULL OR created_at > $4)
ORDER BY created_at DESC
LIMIT $5
"#,
)
.bind(user_id)
.bind(filter.unread_only)
.bind(filter.before)
.bind(filter.after)
.bind(limit)
.fetch_all(self.pool.as_ref())
.await
.map_err(|e| db_err("list_for_user", e))?;
rows.iter().map(Self::map_row).collect()