feat(appview): profile cache + Jetstream indexing + denormalised counts
Adds the AppView-side half of the profile feature so non-local-PDS
authors also get their profile metadata indexed (the Jetstream
identity event stream only carries the handle, not display name /
bio / avatar). The PDS-push path was already wired by the previous
commit; this lands the Jetstream path.
Migration 0005:
* `profiles` table keyed by DID with display_name / description /
avatar_cid / banner_cid plus denormalised post_count /
follower_count / following_count. Backfilled from the posts
table on apply.
* `posts.avatar_cid` column — populated from the profiles cache
at `upsert_post` time so the PostCard can render an avatar
inline without a per-row PDS round trip.
Migration 0007 (clean-up): the original 0005 also created a
`LOWER(handle)` index that no query uses; this drops it
idempotently so dev DBs that already applied 0005 converge.
Indexer (`crates/appview/src/indexer.rs`):
* New `app.bsky.actor.profile` arm in `apply_commit` calls
`upsert_profile` on create, DELETEs the row on delete. Handle
is looked up from `posts` (the Jetstream commit envelope
doesn't carry it).
* `upsert_post` signature is now `&mut PostRow` so it can fill
`row.avatar_cid` from the profiles cache; the ON CONFLICT
clause uses `COALESCE(EXCLUDED, posts)` so re-indexing doesn't
overwrite an already-known avatar.
* `upsert_profile` writes display_name / description /
avatar_cid / banner_cid + the denormalised counts.
* `blob_link_of` helper accepts both `{ $type, ref.$link }`
and legacy flat `{ $link }` blob-ref shapes.
Ingest (`crates/appview/src/ingest.rs`):
* `app.bsky.actor.profile` create/delete arms in the PDS-push
path. The handle-fallback previously did `SELECT handle FROM
users WHERE did = $1` — but the AppView has no `users` table
(it's PDS-owned state). Replaced with a simple use-what-the-PDS-
sent approach; the handle_sync worker fills the column later.
Routes (`crates/appview/src/routes.rs`):
* `resolve_profile` reads the denormalised profile fields from
the cache. When no profile row exists the `post_count` fallback
uses a live `SELECT COUNT(*)` instead of `posts.len()`, so
prolific authors without a profile row report the real count
rather than the 50-post slice cap.
Tests (DB-gated, run when DATABASE_URL_APPVIEW is set):
* `blob_link_of_modern_shape` / `_legacy_flat_link` /
`_missing_field`.
* `upsert_profile_round_trip` — insert + replace semantics.
* `apply_commit_indexes_profile_create` — end-to-end Jetstream
arm + delete.
This commit is contained in:
tomdebone
@@ -202,6 +202,11 @@ pub struct PostRow {
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pub embed: Option<Value>,
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pub langs: Option<Vec<String>>,
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pub created_at: chrono::DateTime<chrono::Utc>,
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/// Resolved author avatar CID from the `profiles` cache. Populated
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/// at `upsert_post` time so the PostCard can render an avatar
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/// without a per-row PDS round trip. NULL for users whose profile
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/// hasn't been pushed yet.
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pub avatar_cid: Option<String>,
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}
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impl PostRow {
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@@ -276,21 +281,47 @@ impl PostRow {
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embed,
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langs,
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created_at,
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// Avatar CID is populated later by the upsert path via a
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// `SELECT avatar_cid FROM profiles WHERE did = $1` lookup,
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// so a freshly indexed post starts at None. (The lookup
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// happens in `upsert_post_with_avatar` below.)
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avatar_cid: None,
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}
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}
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}
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/// Insert or update a post row keyed by URI. Idempotent.
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///
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/// `row.avatar_cid` is filled in-place with the current profile-avatar
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/// CID for the row's author (from the `profiles` cache, NULL if the
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/// profile hasn't been pushed yet). The ON CONFLICT clause uses
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/// `COALESCE(EXCLUDED, posts)` so a backfill on a re-indexed post
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/// won't overwrite an avatar we already had.
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///
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/// IMPORTANT: `indexed_at` is NOT touched on conflict. We deliberately
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/// preserve the original insert time so the `(indexed_at, uri)` keyset
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/// pagination order is stable across Jetstream replays / PDS re-syncs.
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pub async fn upsert_post(db: &PgPool, row: &PostRow) -> Result<()> {
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pub async fn upsert_post(db: &PgPool, row: &mut PostRow) -> Result<()> {
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if row.avatar_cid.is_none() {
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// Look up the latest avatar CID for this author from the
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// profiles cache (populated by the PDS push path on profile
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// updates). NULL if the profile hasn't been ingested yet —
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// the post will display as the initial-letter avatar until
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// the user uploads one.
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row.avatar_cid = sqlx::query_scalar::<_, Option<String>>(
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"SELECT avatar_cid FROM profiles WHERE did = $1",
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)
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.bind(&row.did)
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.fetch_optional(db)
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.await?
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.flatten();
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}
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sqlx::query(
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r#"INSERT INTO posts
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(uri, did, handle, rkey, collection, text, cid,
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parent_uri, root_uri, embed, langs, created_at)
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VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12)
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parent_uri, root_uri, embed, langs, created_at,
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avatar_cid)
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VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13)
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ON CONFLICT (uri) DO UPDATE SET
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text = EXCLUDED.text,
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cid = EXCLUDED.cid,
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@@ -299,7 +330,8 @@ pub async fn upsert_post(db: &PgPool, row: &PostRow) -> Result<()> {
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root_uri = EXCLUDED.root_uri,
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embed = EXCLUDED.embed,
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langs = EXCLUDED.langs,
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created_at = EXCLUDED.created_at"#,
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created_at = EXCLUDED.created_at,
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avatar_cid = COALESCE(EXCLUDED.avatar_cid, posts.avatar_cid)"#,
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)
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.bind(&row.uri)
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.bind(&row.did)
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@@ -313,6 +345,7 @@ pub async fn upsert_post(db: &PgPool, row: &PostRow) -> Result<()> {
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.bind(EmbedColumn(row.embed.clone()))
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.bind(&row.langs)
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.bind(row.created_at)
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.bind(&row.avatar_cid)
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.execute(db)
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.await?;
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Ok(())
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@@ -592,7 +625,7 @@ pub async fn apply_commit(
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// handle — leave it empty so the upsert
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// COALESCE guard preserves the row's existing
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// (or backfilled-from-identity) handle.
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let row = PostRow::from_record(
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let mut row = PostRow::from_record(
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&ev.did,
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&rkey,
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&collection,
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@@ -600,7 +633,7 @@ pub async fn apply_commit(
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&record,
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None,
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);
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upsert_post(db, &row).await?;
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upsert_post(db, &mut row).await?;
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applied = true;
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} else if op.action == "delete" {
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let rkey = op
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@@ -720,6 +753,42 @@ pub async fn apply_commit(
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}
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applied = true;
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}
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"app.bsky.actor.profile" => {
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// Jetstream carries profile records as plain
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// commit ops (no separate collection). We treat
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// any rkey — usually `self`, but spec allows
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// rkey-rotation — as the user's authoritative
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// profile and upsert into the `profiles` cache.
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//
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// The Jetstream `commit` envelope doesn't carry
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// the handle; we look it up from the `posts`
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// table (backfilled there by the `identity`
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// event stream). Empty is fine — the next
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// handle_sync pass will populate it.
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if op.action == "create" {
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let record = match op.record.clone() {
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Some(r) if !r.is_null() => r,
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_ => continue,
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};
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let handle: String = sqlx::query_scalar(
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"SELECT handle FROM posts \
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WHERE did = $1 AND handle <> '' \
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ORDER BY indexed_at DESC LIMIT 1",
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)
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.bind(&ev.did)
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.fetch_optional(db)
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.await?
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.unwrap_or_default();
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upsert_profile(db, &ev.did, &handle, &record).await?;
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applied = true;
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} else if op.action == "delete" {
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sqlx::query("DELETE FROM profiles WHERE did = $1")
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.bind(&ev.did)
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.execute(db)
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.await?;
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applied = true;
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}
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}
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_ => {
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// Unrecognised collection — ignore (may happen when Jetstream
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// sends something we didn't subscribe to).
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@@ -1012,7 +1081,7 @@ mod tests {
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]
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}
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});
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let row = PostRow::from_record(
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let mut row = PostRow::from_record(
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"did:plc:embed",
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"embedkey",
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"app.twi.post",
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@@ -1020,7 +1089,7 @@ mod tests {
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&record,
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None,
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);
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upsert_post(&db, &row).await.unwrap();
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upsert_post(&db, &mut row).await.unwrap();
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let embed: serde_json::Value = sqlx::query_scalar(
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"SELECT embed FROM posts WHERE uri = $1",
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@@ -1139,3 +1208,328 @@ pub async fn backfill_handle(
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.await?;
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Ok(res.rows_affected())
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}
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/// Upsert a `profiles` row for `did`. The caller has just ingested
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/// the profile record body (decoded CBOR), and the denormalised
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/// counts are computed here (a single `SELECT COUNT(*)` over each
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/// side-table — cheap with the existing PK indexes on `posts.did` and
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/// `follows.{follower,subject}_did`).
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pub async fn upsert_profile(
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db: &PgPool,
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did: &str,
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handle: &str,
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record: &Value,
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) -> Result<()> {
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let display_name = record
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.get("displayName")
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.and_then(|v| v.as_str())
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.map(str::to_string);
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let description = record
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.get("description")
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.and_then(|v| v.as_str())
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.map(str::to_string);
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let avatar_cid = blob_link_of(record, "avatar");
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let banner_cid = blob_link_of(record, "banner");
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// Denormalised counts. Cheap with the existing PKs.
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let post_count: i64 = sqlx::query_scalar(
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"SELECT COUNT(*) FROM posts WHERE did = $1 \
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AND collection IN ('app.twi.post','app.bsky.feed.post')",
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)
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.bind(did)
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.fetch_one(db)
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.await?;
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let follower_count: i64 = sqlx::query_scalar(
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"SELECT COUNT(*) FROM follows WHERE subject_did = $1",
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)
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.bind(did)
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.fetch_one(db)
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.await?;
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let following_count: i64 = sqlx::query_scalar(
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"SELECT COUNT(*) FROM follows WHERE follower_did = $1",
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)
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.bind(did)
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.fetch_one(db)
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.await?;
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sqlx::query(
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r#"INSERT INTO profiles
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(did, handle, display_name, description,
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avatar_cid, banner_cid,
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post_count, follower_count, following_count, indexed_at)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, now())
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ON CONFLICT (did) DO UPDATE SET
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handle = EXCLUDED.handle,
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display_name = EXCLUDED.display_name,
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description = EXCLUDED.description,
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avatar_cid = EXCLUDED.avatar_cid,
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banner_cid = EXCLUDED.banner_cid,
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post_count = EXCLUDED.post_count,
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follower_count= EXCLUDED.follower_count,
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following_count= EXCLUDED.following_count,
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indexed_at = now()"#,
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)
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.bind(did)
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.bind(handle)
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.bind(display_name)
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.bind(description)
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.bind(avatar_cid)
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.bind(banner_cid)
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.bind(post_count)
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.bind(follower_count)
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.bind(following_count)
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.execute(db)
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.await?;
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Ok(())
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}
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/// Pull a blob-ref `$link` out of a profile record's field.
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/// Accepts both the modern shape
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/// (`{ $type: "blob", ref: { $link: "..." } }`)
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/// and the legacy shape (`{ $link: "..." }`) for robustness.
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fn blob_link_of(record: &Value, field: &str) -> Option<String> {
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let v = record.get(field)?;
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// Try `ref.$link` first, then flat `$link`.
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if let Some(link) = v.get("ref").and_then(|r| r.get("$link")).and_then(|s| s.as_str()) {
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return Some(link.to_string());
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}
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v.get("$link").and_then(|s| s.as_str()).map(str::to_string)
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}
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#[cfg(test)]
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mod profile_tests {
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use super::*;
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use serde_json::json;
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/// Open the appview DB used by integration tests, running
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/// migrations first. Returns `None` when no DB is reachable so
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/// the test can `eprintln!` and bail (no panic).
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async fn try_test_db() -> Option<PgPool> {
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let url = std::env::var("DATABASE_URL_APPVIEW").ok()?;
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match timeout(
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Duration::from_secs(2),
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sqlx::PgPool::connect(&url),
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)
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.await
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{
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Ok(Ok(pool)) => match sqlx::migrate!("../../migrations/appview").run(&pool).await {
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Ok(()) => Some(pool),
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Err(_) => None,
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},
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_ => None,
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}
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}
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#[test]
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fn blob_link_of_modern_shape() {
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let rec = json!({
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"avatar": {
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"$type": "blob",
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"ref": { "$link": "bafyavatar" },
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"mimeType": "image/png",
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"size": 1234
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}
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});
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assert_eq!(blob_link_of(&rec, "avatar").as_deref(), Some("bafyavatar"));
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}
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#[test]
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fn blob_link_of_legacy_flat_link() {
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let rec = json!({ "banner": { "$link": "bafybanner" } });
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assert_eq!(blob_link_of(&rec, "banner").as_deref(), Some("bafybanner"));
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}
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#[test]
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fn blob_link_of_missing_field() {
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let rec = json!({ "displayName": "x" });
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assert_eq!(blob_link_of(&rec, "avatar"), None);
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}
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#[tokio::test]
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async fn upsert_profile_round_trip() {
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let Some(db) = try_test_db().await else {
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eprintln!("appview DB unavailable; skipping");
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return;
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};
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// Use a unique DID per test run so we don't collide with the
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// migration backfill (which seeded a row for every distinct
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// DID in `posts`).
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let did = format!(
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"did:plc:profile_test_{}",
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uuid::Uuid::new_v4().simple()
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);
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let handle = format!("user.{}.test", uuid::Uuid::new_v4().simple());
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// Seed a couple of posts so post_count is non-zero.
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for rkey in &["p1", "p2"] {
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sqlx::query(
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r#"INSERT INTO posts
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(uri, did, handle, rkey, collection, text, cid,
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parent_uri, root_uri, langs, created_at)
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VALUES ($1,$2,$3,$4,'app.twi.post','seed','bafy',NULL,NULL,NULL, now())
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ON CONFLICT (uri) DO NOTHING"#,
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)
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.bind(format!("at://{did}/app.twi.post/{rkey}"))
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.bind(&did)
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.bind(&handle)
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.bind(rkey)
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.execute(&db)
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.await
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.unwrap();
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}
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let record = json!({
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"displayName": "Alice",
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"description": "tester",
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"avatar": { "$type": "blob", "ref": { "$link": "bafyavatar" } },
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"banner": { "$type": "blob", "ref": { "$link": "bafybanner" } }
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});
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upsert_profile(&db, &did, &handle, &record).await.unwrap();
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let row: (
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String, // handle
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Option<String>, // display_name
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Option<String>, // description
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Option<String>, // avatar_cid
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Option<String>, // banner_cid
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i64, // post_count
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i64, // follower_count
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i64, // following_count
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) = sqlx::query_as(
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"SELECT handle, display_name, description, avatar_cid, banner_cid, \
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post_count, follower_count, following_count \
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FROM profiles WHERE did = $1",
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)
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.bind(&did)
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.fetch_one(&db)
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.await
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.unwrap();
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assert_eq!(row.0, handle);
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assert_eq!(row.1.as_deref(), Some("Alice"));
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assert_eq!(row.2.as_deref(), Some("tester"));
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assert_eq!(row.3.as_deref(), Some("bafyavatar"));
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assert_eq!(row.4.as_deref(), Some("bafybanner"));
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assert_eq!(row.5, 2, "post_count must reflect seeded posts");
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// Update: change display name, drop banner — verify replace
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// semantics (NULL fields overwrite, not coalesce).
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let record2 = json!({ "displayName": "Alice 2" });
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upsert_profile(&db, &did, &handle, &record2).await.unwrap();
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let name: Option<String> = sqlx::query_scalar(
|
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"SELECT display_name FROM profiles WHERE did = $1",
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)
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.bind(&did)
|
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.fetch_one(&db)
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.await
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.unwrap();
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assert_eq!(name.as_deref(), Some("Alice 2"));
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// Cleanup.
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let _ = sqlx::query("DELETE FROM profiles WHERE did = $1")
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.bind(&did)
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.execute(&db)
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.await;
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let _ = sqlx::query("DELETE FROM posts WHERE did = $1")
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.bind(&did)
|
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.execute(&db)
|
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.await;
|
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}
|
||||
|
||||
/// `apply_commit` must dispatch an `app.bsky.actor.profile`
|
||||
/// create op into the `profiles` cache (this is the path Jetstream
|
||||
/// uses for third-party PDS authors).
|
||||
#[tokio::test]
|
||||
async fn apply_commit_indexes_profile_create() {
|
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let Some(db) = try_test_db().await else {
|
||||
eprintln!("appview DB unavailable; skipping");
|
||||
return;
|
||||
};
|
||||
let did = format!(
|
||||
"did:plc:profile_commit_{}",
|
||||
uuid::Uuid::new_v4().simple()
|
||||
);
|
||||
let _ = sqlx::query("DELETE FROM profiles WHERE did = $1")
|
||||
.bind(&did)
|
||||
.execute(&db)
|
||||
.await;
|
||||
|
||||
// Seed a post so the indexer can find a known handle.
|
||||
sqlx::query(
|
||||
r#"INSERT INTO posts
|
||||
(uri, did, handle, rkey, collection, text, cid,
|
||||
parent_uri, root_uri, langs, created_at)
|
||||
VALUES ($1,$2,$3,'seed','app.twi.post','hi','bafy',NULL,NULL,NULL, now())
|
||||
ON CONFLICT (uri) DO NOTHING"#,
|
||||
)
|
||||
.bind(format!("at://{did}/app.twi.post/seed"))
|
||||
.bind(&did)
|
||||
.bind("alice.test")
|
||||
.execute(&db)
|
||||
.await
|
||||
.unwrap();
|
||||
|
||||
let commit = json!({
|
||||
"operation": "create",
|
||||
"collection": "app.bsky.actor.profile",
|
||||
"rkey": "self",
|
||||
"cid": "bafyprofilecid",
|
||||
"record": {
|
||||
"displayName": "Alice",
|
||||
"description": "hello",
|
||||
"avatar": { "$type": "blob", "ref": { "$link": "bafyavatar" } }
|
||||
}
|
||||
});
|
||||
let ev = JetstreamEvent {
|
||||
did: did.clone(),
|
||||
time_us: 1_700_000_000_000_000,
|
||||
kind: "commit".into(),
|
||||
commit: Some(commit),
|
||||
identity: None,
|
||||
account: None,
|
||||
};
|
||||
let applied = apply_commit(&db, &ev).await.unwrap();
|
||||
assert!(applied);
|
||||
|
||||
let row: (Option<String>, Option<String>, Option<String>) = sqlx::query_as(
|
||||
"SELECT display_name, description, avatar_cid \
|
||||
FROM profiles WHERE did = $1",
|
||||
)
|
||||
.bind(&did)
|
||||
.fetch_one(&db)
|
||||
.await
|
||||
.unwrap();
|
||||
assert_eq!(row.0.as_deref(), Some("Alice"));
|
||||
assert_eq!(row.1.as_deref(), Some("hello"));
|
||||
assert_eq!(row.2.as_deref(), Some("bafyavatar"));
|
||||
|
||||
// Delete op should wipe the row.
|
||||
let del = json!({
|
||||
"operation": "delete",
|
||||
"collection": "app.bsky.actor.profile",
|
||||
"rkey": "self"
|
||||
});
|
||||
let ev_del = JetstreamEvent {
|
||||
did: did.clone(),
|
||||
time_us: 1_700_000_001_000_000,
|
||||
kind: "commit".into(),
|
||||
commit: Some(del),
|
||||
identity: None,
|
||||
account: None,
|
||||
};
|
||||
apply_commit(&db, &ev_del).await.unwrap();
|
||||
let remaining: i64 = sqlx::query_scalar(
|
||||
"SELECT COUNT(*) FROM profiles WHERE did = $1",
|
||||
)
|
||||
.bind(&did)
|
||||
.fetch_one(&db)
|
||||
.await
|
||||
.unwrap();
|
||||
assert_eq!(remaining, 0, "delete op must remove profile row");
|
||||
|
||||
// Cleanup.
|
||||
let _ = sqlx::query("DELETE FROM posts WHERE did = $1")
|
||||
.bind(&did)
|
||||
.execute(&db)
|
||||
.await;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -128,7 +128,7 @@ async fn apply(
|
||||
.clone()
|
||||
.unwrap_or_else(|| serde_json::json!({"text": "", "createdAt": chrono::Utc::now().to_rfc3339()}));
|
||||
let cid = req.cid.clone().unwrap_or_default();
|
||||
let row = indexer::PostRow::from_record(
|
||||
let mut row = indexer::PostRow::from_record(
|
||||
&req.did,
|
||||
&req.rkey,
|
||||
&req.collection,
|
||||
@@ -136,7 +136,7 @@ async fn apply(
|
||||
&record,
|
||||
req.handle.as_deref(),
|
||||
);
|
||||
indexer::upsert_post(&state.db, &row).await.map_err(db_err)?;
|
||||
indexer::upsert_post(&state.db, &mut row).await.map_err(db_err)?;
|
||||
Ok(true)
|
||||
}
|
||||
("app.twi.post", "delete") | ("app.bsky.feed.post", "delete") => {
|
||||
@@ -219,6 +219,39 @@ async fn apply(
|
||||
.map_err(db_err)?;
|
||||
Ok(true)
|
||||
}
|
||||
("app.bsky.actor.profile", "create") if req.rkey == "self" => {
|
||||
// Profile record push from the PDS — populate the
|
||||
// `profiles` cache so the ProfileView-Page and PostCard
|
||||
// avatar get the new display name / bio / avatar / banner
|
||||
// without waiting for the next handle-sync pass.
|
||||
let record = match &req.record {
|
||||
Some(r) if !r.is_null() => r.clone(),
|
||||
_ => return Ok(false),
|
||||
};
|
||||
// Use the handle the PDS provided when present. We
|
||||
// deliberately do NOT fall back to a DB lookup here:
|
||||
// the AppView has no `users` table — the PDS owns that
|
||||
// state. If the PDS omits the handle, we write an empty
|
||||
// string and the `handle_sync` worker (or a subsequent
|
||||
// Jetstream `identity` event) will fill it in.
|
||||
let handle = req
|
||||
.handle
|
||||
.clone()
|
||||
.filter(|h| !h.is_empty())
|
||||
.unwrap_or_default();
|
||||
indexer::upsert_profile(&state.db, &req.did, &handle, &record)
|
||||
.await
|
||||
.map_err(db_err)?;
|
||||
Ok(true)
|
||||
}
|
||||
("app.bsky.actor.profile", "delete") if req.rkey == "self" => {
|
||||
sqlx::query("DELETE FROM profiles WHERE did = $1")
|
||||
.bind(&req.did)
|
||||
.execute(&state.db)
|
||||
.await
|
||||
.map_err(db_err)?;
|
||||
Ok(true)
|
||||
}
|
||||
(coll, action) => {
|
||||
// Unrecognised collection/action — return ok=false so the PDS
|
||||
// doesn't retry. Future collections should be added above.
|
||||
|
||||
@@ -372,6 +372,11 @@ async fn resolve_profile(
|
||||
posts: Vec::new(),
|
||||
followers: 0,
|
||||
following: 0,
|
||||
display_name: None,
|
||||
description: None,
|
||||
avatar_cid: None,
|
||||
banner_cid: None,
|
||||
post_count: 0,
|
||||
}));
|
||||
};
|
||||
|
||||
@@ -427,12 +432,51 @@ async fn resolve_profile(
|
||||
.await
|
||||
.map_err(db_err)?;
|
||||
|
||||
// Look up the denormalised profile metadata for this DID. May be
|
||||
// None if the user has no profile record yet (a brand-new account,
|
||||
// or a Jetstream-only author whose PDS we don't know about). In
|
||||
// that case we fall back to a live `SELECT COUNT(*)` over `posts`
|
||||
// so the `post_count` field reflects the true number of posts
|
||||
// rather than the size of the (LIMIT-50'd) slice we just returned
|
||||
// — otherwise a prolific author with no profile row would report
|
||||
// `post_count: 50` no matter how many posts they actually have.
|
||||
let profile_row: Option<(Option<String>, Option<String>, Option<String>, Option<String>, i64)> =
|
||||
sqlx::query_as(
|
||||
"SELECT display_name, description, avatar_cid, banner_cid, post_count
|
||||
FROM profiles
|
||||
WHERE did = $1",
|
||||
)
|
||||
.bind(&target_did)
|
||||
.fetch_optional(&state.db)
|
||||
.await
|
||||
.map_err(db_err)?;
|
||||
let (display_name, description, avatar_cid, banner_cid, post_count) = match profile_row {
|
||||
Some(row) => row,
|
||||
None => {
|
||||
let real_count: i64 = sqlx::query_scalar(
|
||||
"SELECT COUNT(*)::BIGINT FROM posts \
|
||||
WHERE did = $1 \
|
||||
AND collection IN ('app.twi.post','app.bsky.feed.post')",
|
||||
)
|
||||
.bind(&target_did)
|
||||
.fetch_one(&state.db)
|
||||
.await
|
||||
.map_err(db_err)?;
|
||||
(None, None, None, None, real_count)
|
||||
}
|
||||
};
|
||||
|
||||
Ok(Json(ProfileResponse {
|
||||
did: target_did,
|
||||
handle: display_handle,
|
||||
posts,
|
||||
followers,
|
||||
following,
|
||||
display_name,
|
||||
description,
|
||||
avatar_cid,
|
||||
banner_cid,
|
||||
post_count,
|
||||
}))
|
||||
}
|
||||
|
||||
@@ -830,6 +874,7 @@ mod tests {
|
||||
created_at: Utc::now(),
|
||||
like_count: 0,
|
||||
repost_count: 0,
|
||||
avatar_cid: None,
|
||||
},
|
||||
PostRow {
|
||||
uri: "at://x/app.twi.post/2".into(),
|
||||
@@ -846,6 +891,7 @@ mod tests {
|
||||
created_at: Utc::now(),
|
||||
like_count: 0,
|
||||
repost_count: 0,
|
||||
avatar_cid: None,
|
||||
},
|
||||
];
|
||||
decorate_handles(&mut rows);
|
||||
|
||||
@@ -54,6 +54,12 @@ pub struct PostRow {
|
||||
pub like_count: i64,
|
||||
#[serde(default)]
|
||||
pub repost_count: i64,
|
||||
/// Resolved author-avatar CID from the `profiles` cache. NULL
|
||||
/// until the user has pushed a profile through the PDS path. The
|
||||
/// PostCard uses this to render an <Avatar cid={post.avatar_cid}/>
|
||||
/// inline without a per-row PDS round trip.
|
||||
#[serde(skip_serializing_if = "Option::is_none")]
|
||||
pub avatar_cid: Option<String>,
|
||||
}
|
||||
|
||||
/// Raw `FromRow` impl — we read `embed` as the helper newtype then
|
||||
@@ -76,6 +82,7 @@ impl<'r> FromRow<'r, sqlx::postgres::PgRow> for PostRow {
|
||||
created_at: row.try_get("created_at")?,
|
||||
like_count: row.try_get::<i64, _>("like_count").unwrap_or(0),
|
||||
repost_count: row.try_get::<i64, _>("repost_count").unwrap_or(0),
|
||||
avatar_cid: row.try_get::<Option<String>, _>("avatar_cid").ok().flatten(),
|
||||
})
|
||||
}
|
||||
}
|
||||
@@ -100,6 +107,8 @@ pub struct PostRowWithIndexed {
|
||||
pub indexed_at: DateTime<Utc>,
|
||||
pub like_count: i64,
|
||||
pub repost_count: i64,
|
||||
/// Resolved author-avatar CID from the `profiles` cache.
|
||||
pub avatar_cid: Option<String>,
|
||||
}
|
||||
|
||||
impl<'r> FromRow<'r, sqlx::postgres::PgRow> for PostRowWithIndexed {
|
||||
@@ -121,6 +130,7 @@ impl<'r> FromRow<'r, sqlx::postgres::PgRow> for PostRowWithIndexed {
|
||||
indexed_at: row.try_get("indexed_at")?,
|
||||
like_count: row.try_get::<i64, _>("like_count").unwrap_or(0),
|
||||
repost_count: row.try_get::<i64, _>("repost_count").unwrap_or(0),
|
||||
avatar_cid: row.try_get::<Option<String>, _>("avatar_cid").ok().flatten(),
|
||||
})
|
||||
}
|
||||
}
|
||||
@@ -142,6 +152,7 @@ impl From<PostRowWithIndexed> for PostRow {
|
||||
created_at: r.created_at,
|
||||
like_count: r.like_count,
|
||||
repost_count: r.repost_count,
|
||||
avatar_cid: r.avatar_cid,
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -162,6 +173,22 @@ pub struct ProfileResponse {
|
||||
pub posts: Vec<PostRow>,
|
||||
pub followers: i64,
|
||||
pub following: i64,
|
||||
/// Denormalised profile metadata from the `profiles` cache.
|
||||
/// Optional — populated when the user has a profile record
|
||||
/// pushed to the AppView (PDS write or Jetstream `identity` event).
|
||||
#[serde(skip_serializing_if = "Option::is_none")]
|
||||
pub display_name: Option<String>,
|
||||
#[serde(skip_serializing_if = "Option::is_none")]
|
||||
pub description: Option<String>,
|
||||
#[serde(skip_serializing_if = "Option::is_none")]
|
||||
pub avatar_cid: Option<String>,
|
||||
#[serde(skip_serializing_if = "Option::is_none")]
|
||||
pub banner_cid: Option<String>,
|
||||
/// Denormalised count of the user's posts (computed by
|
||||
/// `upsert_profile` from the `posts` table). Lets the
|
||||
/// ProfileView-Page render without an extra `COUNT(*)`.
|
||||
#[serde(default)]
|
||||
pub post_count: i64,
|
||||
}
|
||||
|
||||
/// `GET /api/search` response. `q` echoes the search string so the
|
||||
|
||||
@@ -0,0 +1,55 @@
|
||||
-- AppView database schema 0005: profile metadata + per-post avatar refs.
|
||||
--
|
||||
-- Why
|
||||
-- The Profile-View-Page and PostCard both render a user avatar.
|
||||
-- Fetching the live `app.bsky.actor.profile/self` record from every
|
||||
-- user's PDS on every render doesn't scale, and isn't always reachable
|
||||
-- (e.g. a did:web: user whose PDS is offline). We cache the
|
||||
-- denormalised profile fields the UI shows keyed by did, indexed by
|
||||
-- handle so the `/api/profile/<handle>` lookup is index-driven.
|
||||
--
|
||||
-- Source of truth: the user's own PDS. The PDS pushes profile records
|
||||
-- via the existing `/internal/ingest-commit` path; this migration
|
||||
-- adds the `(collection, action, rkey) == ('app.bsky.actor.profile',
|
||||
-- 'create', 'self')` arm to the AppView's indexer to populate this
|
||||
-- table.
|
||||
--
|
||||
-- All fields nullable: a profile record can omit displayName,
|
||||
-- description, avatar, banner independently.
|
||||
--
|
||||
-- post_count / follower_count / following_count are denormalised
|
||||
-- counts populated only when the row is created/replaced; the
|
||||
-- Profile-View-Page reads them here so it doesn't have to issue a
|
||||
-- separate COUNT(*) over posts/follows.
|
||||
--
|
||||
-- The avatar_cid on posts is the resolved profile-avatar blob ref
|
||||
-- (or NULL) for the post's author. The AppView fills it in at
|
||||
-- upsert_post-time from the profiles table; the PostCard reads it
|
||||
-- to inline an <Avatar cid={post.avatar_cid}/> without a per-row
|
||||
-- PDS round-trip.
|
||||
|
||||
CREATE TABLE profiles (
|
||||
did TEXT PRIMARY KEY,
|
||||
handle TEXT NOT NULL,
|
||||
display_name TEXT,
|
||||
description TEXT,
|
||||
avatar_cid TEXT,
|
||||
banner_cid TEXT,
|
||||
post_count BIGINT NOT NULL DEFAULT 0,
|
||||
follower_count BIGINT NOT NULL DEFAULT 0,
|
||||
following_count BIGINT NOT NULL DEFAULT 0,
|
||||
indexed_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||
);
|
||||
CREATE INDEX profiles_indexed_at_idx ON profiles (indexed_at DESC);
|
||||
|
||||
-- Backfill: seed a profile row for every handle we've already
|
||||
-- resolved through the posts.did → posts.handle mapping. The display
|
||||
-- fields stay NULL — they need the live PDS profile record.
|
||||
INSERT INTO profiles (did, handle)
|
||||
SELECT DISTINCT ON (did) did, handle
|
||||
FROM posts
|
||||
WHERE handle <> ''
|
||||
ORDER BY did, indexed_at DESC
|
||||
ON CONFLICT (did) DO NOTHING;
|
||||
|
||||
ALTER TABLE posts ADD COLUMN IF NOT EXISTS avatar_cid TEXT;
|
||||
@@ -0,0 +1,12 @@
|
||||
-- AppView database schema 0007: drop unused `profiles_handle_idx`.
|
||||
--
|
||||
-- The original 0005 migration created a `LOWER(handle)` index on
|
||||
-- `profiles`, anticipating handle-based lookups. In practice every
|
||||
-- caller derives a DID first (via `posts.handle` or the handle-sync
|
||||
-- worker) and then queries `profiles` by PK — so the index is dead
|
||||
-- weight in storage and write-amplification cost.
|
||||
--
|
||||
-- This migration drops it idempotently (`IF EXISTS`) so dev DBs that
|
||||
-- already applied 0005 also converge. New installs no longer create
|
||||
-- the index (0005 was edited when this was discovered).
|
||||
DROP INDEX IF EXISTS profiles_handle_idx;
|
||||
Reference in New Issue
Block a user