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A lexicon-driven AppView for ATProto.
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Rust
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// ---------------------------------------------------------------------------// Spaces// ---------------------------------------------------------------------------
pub async fn create_space( pool: &sqlx::AnyPool, backend: DatabaseBackend, space: &Space,) -> Result<(), AppError> { let now = now_rfc3339(); let config_json = serde_json::to_string(&space.config) .map_err(|e| AppError::Internal(format!("failed to serialize space config: {e}")))?; let allowlist_json = space .app_allowlist .as_ref() .map(|v| serde_json::to_string(v).unwrap_or_default()); let denylist_json = space .app_denylist .as_ref() .map(|v| serde_json::to_string(v).unwrap_or_default());
let sql = adapt_sql( "INSERT INTO spaces (id, did, owner_did, type_nsid, skey, display_name, description, access_mode, app_allowlist, app_denylist, managing_app_did, config, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", backend, );
sqlx::query(&sql) .bind(&space.id) .bind(&space.did) .bind(&space.owner_did) .bind(&space.type_nsid) .bind(&space.skey) .bind(&space.display_name) .bind(&space.description) .bind(space.access_mode.as_str()) .bind(&allowlist_json) .bind(&denylist_json) .bind(&space.managing_app_did) .bind(&config_json) .bind(&now) .bind(&now) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to create space: {e}")))?;
Ok(())}
pub async fn get_space( pool: &sqlx::AnyPool, backend: DatabaseBackend, id: &str,) -> Result<Option<Space>, AppError> { let sql = adapt_sql( "SELECT id, did, owner_did, type_nsid, skey, display_name, description, access_mode, app_allowlist, app_denylist, managing_app_did, config, revision, created_at, updated_at FROM spaces WHERE id = ?", backend, );
let row: Option<SpaceRow> = sqlx::query_as(&sql) .bind(id) .fetch_optional(pool) .await .map_err(|e| AppError::Internal(format!("failed to get space: {e}")))?;
row.map(parse_space_row).transpose()}
pub async fn get_space_by_address( pool: &sqlx::AnyPool, backend: DatabaseBackend, did: &str, type_nsid: &str, skey: &str,) -> Result<Option<Space>, AppError> { let sql = adapt_sql( "SELECT id, did, owner_did, type_nsid, skey, display_name, description, access_mode, app_allowlist, app_denylist, managing_app_did, config, revision, created_at, updated_at FROM spaces WHERE did = ? AND type_nsid = ? AND skey = ?", backend, );
let row: Option<SpaceRow> = sqlx::query_as(&sql) .bind(did) .bind(type_nsid) .bind(skey) .fetch_optional(pool) .await .map_err(|e| AppError::Internal(format!("failed to get space: {e}")))?;
row.map(parse_space_row).transpose()}
pub async fn list_spaces_by_owner( pool: &sqlx::AnyPool, backend: DatabaseBackend, owner_did: &str,) -> Result<Vec<Space>, AppError> { let sql = adapt_sql( "SELECT id, did, owner_did, type_nsid, skey, display_name, description, access_mode, app_allowlist, app_denylist, managing_app_did, config, revision, created_at, updated_at FROM spaces WHERE owner_did = ? ORDER BY created_at DESC", backend, );
let rows: Vec<SpaceRow> = sqlx::query_as(&sql) .bind(owner_did) .fetch_all(pool) .await .map_err(|e| AppError::Internal(format!("failed to list spaces: {e}")))?;
rows.into_iter().map(parse_space_row).collect()}
pub struct SpaceView { pub uri: String, pub is_owner: bool, pub created_at: String,}
pub async fn list_spaces_for_user( pool: &sqlx::AnyPool, backend: DatabaseBackend, did: &str, limit: i64, cursor: Option<&str>,) -> Result<(Vec<SpaceView>, Option<String>), AppError> { let decoded_cursor = cursor.and_then(decode_cursor);
let sql = if decoded_cursor.is_some() { adapt_sql( "SELECT s.did, s.owner_did, s.type_nsid, s.skey, sm.created_at FROM space_members sm JOIN spaces s ON s.id = sm.space_id WHERE sm.member_did = ? AND (sm.created_at > ? OR (sm.created_at = ? AND ('ats://' || s.did || '/' || s.type_nsid || '/' || s.skey) > ?)) ORDER BY sm.created_at ASC, ('ats://' || s.did || '/' || s.type_nsid || '/' || s.skey) ASC LIMIT ?", backend, ) } else { adapt_sql( "SELECT s.did, s.owner_did, s.type_nsid, s.skey, sm.created_at FROM space_members sm JOIN spaces s ON s.id = sm.space_id WHERE sm.member_did = ? ORDER BY sm.created_at ASC, ('ats://' || s.did || '/' || s.type_nsid || '/' || s.skey) ASC LIMIT ?", backend, ) };
let mut query = sqlx::query_as::<_, (String, String, String, String, String)>(&sql).bind(did); if let Some((ref ts, ref uri)) = decoded_cursor { query = query.bind(ts.as_str()).bind(ts.as_str()).bind(uri.as_str()); } query = query.bind(limit);
let rows = query .fetch_all(pool) .await .map_err(|e| AppError::Internal(format!("failed to list spaces for user: {e}")))?;
let views: Vec<SpaceView> = rows .into_iter() .map( |(space_did, owner_did, type_nsid, skey, created_at)| SpaceView { uri: format!("ats://{}/{}/{}", space_did, type_nsid, skey), is_owner: owner_did == did, created_at, }, ) .collect();
let next_cursor = if views.len() as i64 == limit { views.last().map(|v| encode_cursor(&v.created_at, &v.uri)) } else { None };
Ok((views, next_cursor))}
pub async fn update_space( pool: &sqlx::AnyPool, backend: DatabaseBackend, space: &Space,) -> Result<bool, AppError> { let now = now_rfc3339(); let config_json = serde_json::to_string(&space.config) .map_err(|e| AppError::Internal(format!("failed to serialize space config: {e}")))?; let allowlist_json = space .app_allowlist .as_ref() .map(|v| serde_json::to_string(v).unwrap_or_default()); let denylist_json = space .app_denylist .as_ref() .map(|v| serde_json::to_string(v).unwrap_or_default());
let sql = adapt_sql( "UPDATE spaces SET display_name = ?, description = ?, access_mode = ?, app_allowlist = ?, app_denylist = ?, managing_app_did = ?, config = ?, updated_at = ? WHERE id = ?", backend, );
let result = sqlx::query(&sql) .bind(&space.display_name) .bind(&space.description) .bind(space.access_mode.as_str()) .bind(&allowlist_json) .bind(&denylist_json) .bind(&space.managing_app_did) .bind(&config_json) .bind(&now) .bind(&space.id) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to update space: {e}")))?;
Ok(result.rows_affected() > 0)}
pub async fn delete_space( pool: &sqlx::AnyPool, backend: DatabaseBackend, id: &str,) -> Result<bool, AppError> { let sql = adapt_sql("DELETE FROM spaces WHERE id = ?", backend);
let result = sqlx::query(&sql) .bind(id) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to delete space: {e}")))?;
Ok(result.rows_affected() > 0)}
type SpaceRow = ( String, String, String, String, String, Option<String>, Option<String>, String, Option<String>, Option<String>, Option<String>, String, Option<String>, String, String,);
fn parse_space_row(r: SpaceRow) -> Result<Space, AppError> { let access_mode = AccessMode::parse(&r.7) .ok_or_else(|| AppError::Internal(format!("invalid access_mode: {}", r.7)))?; let app_allowlist: Option<Vec<String>> = r.8.as_deref() .map(serde_json::from_str) .transpose() .map_err(|e| AppError::Internal(format!("invalid app_allowlist: {e}")))?; let app_denylist: Option<Vec<String>> = r.9.as_deref() .map(serde_json::from_str) .transpose() .map_err(|e| AppError::Internal(format!("invalid app_denylist: {e}")))?; let config: SpaceConfig = serde_json::from_str(&r.11) .map_err(|e| AppError::Internal(format!("invalid space config: {e}")))?;
Ok(Space { id: r.0, did: r.1, owner_did: r.2, type_nsid: r.3, skey: r.4, display_name: r.5, description: r.6, access_mode, app_allowlist, app_denylist, managing_app_did: r.10, config, revision: r.12, created_at: r.13, updated_at: r.14, })}
// ---------------------------------------------------------------------------// Space Members// ---------------------------------------------------------------------------
pub async fn add_member( pool: &sqlx::AnyPool, backend: DatabaseBackend, member: &SpaceMember,) -> Result<(), AppError> { let now = now_rfc3339(); let sql = adapt_sql( "INSERT INTO space_members (id, space_id, member_did, access, is_delegation, granted_by, created_at) VALUES (?, ?, ?, ?, ?, ?, ?)", backend, );
sqlx::query(&sql) .bind(&member.id) .bind(&member.space_id) .bind(&member.did) .bind(member.access.as_str()) .bind(member.is_delegation as i32) .bind(&member.granted_by) .bind(&now) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to add member: {e}")))?;
Ok(())}
pub async fn remove_member( pool: &sqlx::AnyPool, backend: DatabaseBackend, space_id: &str, did: &str,) -> Result<bool, AppError> { let sql = adapt_sql( "DELETE FROM space_members WHERE space_id = ? AND member_did = ?", backend, );
let result = sqlx::query(&sql) .bind(space_id) .bind(did) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to remove member: {e}")))?;
Ok(result.rows_affected() > 0)}
pub async fn get_member( pool: &sqlx::AnyPool, backend: DatabaseBackend, space_id: &str, did: &str,) -> Result<Option<SpaceMember>, AppError> { let sql = adapt_sql( "SELECT id, space_id, member_did, access, is_delegation, granted_by, created_at FROM space_members WHERE space_id = ? AND member_did = ?", backend, );
let row: Option<MemberRow> = sqlx::query_as(&sql) .bind(space_id) .bind(did) .fetch_optional(pool) .await .map_err(|e| AppError::Internal(format!("failed to get member: {e}")))?;
row.map(parse_member_row).transpose()}
pub async fn list_direct_members( pool: &sqlx::AnyPool, backend: DatabaseBackend, space_id: &str,) -> Result<Vec<SpaceMember>, AppError> { let sql = adapt_sql( "SELECT id, space_id, member_did, access, is_delegation, granted_by, created_at FROM space_members WHERE space_id = ? ORDER BY created_at ASC", backend, );
let rows: Vec<MemberRow> = sqlx::query_as(&sql) .bind(space_id) .fetch_all(pool) .await .map_err(|e| AppError::Internal(format!("failed to list members: {e}")))?;
rows.into_iter().map(parse_member_row).collect()}
pub async fn list_spaces_for_member( pool: &sqlx::AnyPool, backend: DatabaseBackend, did: &str,) -> Result<Vec<SpaceMember>, AppError> { let sql = adapt_sql( "SELECT id, space_id, member_did, access, is_delegation, granted_by, created_at FROM space_members WHERE member_did = ? ORDER BY created_at ASC", backend, );
let rows: Vec<MemberRow> = sqlx::query_as(&sql) .bind(did) .fetch_all(pool) .await .map_err(|e| AppError::Internal(format!("failed to list spaces for member: {e}")))?;
rows.into_iter().map(parse_member_row).collect()}
type MemberRow = (String, String, String, String, i32, Option<String>, String);
fn parse_member_row(r: MemberRow) -> Result<SpaceMember, AppError> { let access = SpaceAccess::parse(&r.3) .ok_or_else(|| AppError::Internal(format!("invalid access: {}", r.3)))?;
Ok(SpaceMember { id: r.0, space_id: r.1, did: r.2, access, is_delegation: r.4 != 0, granted_by: r.5, created_at: r.6, })}
// ---------------------------------------------------------------------------// Space Records// ---------------------------------------------------------------------------
pub async fn upsert_space_record( pool: &sqlx::AnyPool, backend: DatabaseBackend, record: &SpaceRecord,) -> Result<(), AppError> { let now = now_rfc3339(); let record_json = serde_json::to_string(&record.record) .map_err(|e| AppError::Internal(format!("failed to serialize record: {e}")))?;
let sql = match backend { DatabaseBackend::Sqlite => { "INSERT OR REPLACE INTO space_records (uri, space_id, author_did, collection, rkey, record, cid, indexed_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?)".to_string() } DatabaseBackend::Postgres => adapt_sql( "INSERT INTO space_records (uri, space_id, author_did, collection, rkey, record, cid, indexed_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?) ON CONFLICT (uri) DO UPDATE SET record = EXCLUDED.record, cid = EXCLUDED.cid, indexed_at = EXCLUDED.indexed_at", backend, ), };
sqlx::query(&sql) .bind(&record.uri) .bind(&record.space_id) .bind(&record.author_did) .bind(&record.collection) .bind(&record.rkey) .bind(&record_json) .bind(&record.cid) .bind(&now) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to upsert space record: {e}")))?;
Ok(())}
pub async fn get_space_record( pool: &sqlx::AnyPool, backend: DatabaseBackend, uri: &str,) -> Result<Option<SpaceRecord>, AppError> { let sql = adapt_sql( "SELECT uri, space_id, author_did, collection, rkey, record, cid, indexed_at FROM space_records WHERE uri = ?", backend, );
let row: Option<RecordRow> = sqlx::query_as(&sql) .bind(uri) .fetch_optional(pool) .await .map_err(|e| AppError::Internal(format!("failed to get space record: {e}")))?;
row.map(parse_record_row).transpose()}
pub async fn get_space_record_by_parts( pool: &sqlx::AnyPool, backend: DatabaseBackend, space_id: &str, collection: &str, rkey: &str,) -> Result<Option<SpaceRecord>, AppError> { let sql = adapt_sql( "SELECT uri, space_id, author_did, collection, rkey, record, cid, indexed_at FROM space_records WHERE space_id = ? AND collection = ? AND rkey = ? LIMIT 1", backend, );
let row: Option<RecordRow> = sqlx::query_as(&sql) .bind(space_id) .bind(collection) .bind(rkey) .fetch_optional(pool) .await .map_err(|e| AppError::Internal(format!("failed to get space record: {e}")))?;
row.map(parse_record_row).transpose()}
#[allow(clippy::too_many_arguments)]pub async fn list_space_records( pool: &sqlx::AnyPool, backend: DatabaseBackend, space_id: &str, repo: Option<&str>, collection: Option<&str>, limit: i64, cursor: Option<&str>, reverse: bool,) -> Result<(Vec<SpaceRecord>, Option<String>), AppError> { let decoded_cursor = cursor.and_then(decode_cursor);
let mut conditions = vec!["space_id = ?".to_string()]; if repo.is_some() { conditions.push("author_did = ?".to_string()); } if collection.is_some() { conditions.push("collection = ?".to_string()); } let (cursor_cmp, order) = if reverse { ("<", "DESC") } else { (">", "ASC") }; if decoded_cursor.is_some() { conditions.push(format!( "(indexed_at {cursor_cmp} ? OR (indexed_at = ? AND uri {cursor_cmp} ?))" )); }
let where_clause = conditions.join(" AND "); let raw = format!( "SELECT uri, space_id, author_did, collection, rkey, record, cid, indexed_at FROM space_records WHERE {} ORDER BY indexed_at {}, uri {} LIMIT ?", where_clause, order, order ); let sql = adapt_sql(&raw, backend);
let mut query = sqlx::query_as::<_, RecordRow>(&sql).bind(space_id); if let Some(r) = repo { query = query.bind(r); } if let Some(c) = collection { query = query.bind(c); } if let Some((ref ts, ref uri)) = decoded_cursor { query = query.bind(ts.as_str()).bind(ts.as_str()).bind(uri.as_str()); } query = query.bind(limit);
let rows = query .fetch_all(pool) .await .map_err(|e| AppError::Internal(format!("failed to list space records: {e}")))?;
let records: Vec<SpaceRecord> = rows .into_iter() .map(parse_record_row) .collect::<Result<_, _>>()?;
let next_cursor = if records.len() as i64 == limit { records.last().map(|r| encode_cursor(&r.indexed_at, &r.uri)) } else { None };
Ok((records, next_cursor))}
pub async fn insert_space_record( pool: &sqlx::AnyPool, backend: DatabaseBackend, record: &SpaceRecord,) -> Result<(), AppError> { let now = now_rfc3339(); let record_json = serde_json::to_string(&record.record) .map_err(|e| AppError::Internal(format!("failed to serialize record: {e}")))?;
let sql = adapt_sql( "INSERT INTO space_records (uri, space_id, author_did, collection, rkey, record, cid, indexed_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?)", backend, );
sqlx::query(&sql) .bind(&record.uri) .bind(&record.space_id) .bind(&record.author_did) .bind(&record.collection) .bind(&record.rkey) .bind(&record_json) .bind(&record.cid) .bind(&now) .execute(pool) .await .map_err(|e| { let msg = e.to_string(); if msg.contains("UNIQUE") || msg.contains("duplicate") || msg.contains("unique") { AppError::Conflict("Record already exists".into()) } else { AppError::Internal(format!("failed to create space record: {e}")) } })?;
Ok(())}
pub async fn upsert_space_record_with_swap( pool: &sqlx::AnyPool, backend: DatabaseBackend, record: &SpaceRecord, swap_cid: &str,) -> Result<(), AppError> { let now = now_rfc3339(); let record_json = serde_json::to_string(&record.record) .map_err(|e| AppError::Internal(format!("failed to serialize record: {e}")))?;
let sql = adapt_sql( "UPDATE space_records SET record = ?, cid = ?, indexed_at = ? WHERE uri = ? AND cid = ?", backend, );
let result = sqlx::query(&sql) .bind(&record_json) .bind(&record.cid) .bind(&now) .bind(&record.uri) .bind(swap_cid) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to update space record: {e}")))?;
if result.rows_affected() == 0 { let existing = get_space_record(pool, backend, &record.uri).await?; if existing.is_some() { return Err(AppError::Conflict("Record CID mismatch".into())); } return Err(AppError::NotFound("Record not found".into())); }
Ok(())}
pub async fn delete_space_record( pool: &sqlx::AnyPool, backend: DatabaseBackend, uri: &str,) -> Result<bool, AppError> { let sql = adapt_sql("DELETE FROM space_records WHERE uri = ?", backend);
let result = sqlx::query(&sql) .bind(uri) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to delete space record: {e}")))?;
Ok(result.rows_affected() > 0)}
pub async fn delete_space_record_with_swap( pool: &sqlx::AnyPool, backend: DatabaseBackend, uri: &str, swap_cid: &str,) -> Result<bool, AppError> { let sql = adapt_sql( "DELETE FROM space_records WHERE uri = ? AND cid = ?", backend, );
let result = sqlx::query(&sql) .bind(uri) .bind(swap_cid) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to delete space record: {e}")))?;
if result.rows_affected() == 0 { let existing = get_space_record(pool, backend, uri).await?; if existing.is_some() { return Err(AppError::Conflict("Record CID mismatch".into())); } return Err(AppError::NotFound("Record not found".into())); }
Ok(true)}
pub async fn update_space_revision( pool: &sqlx::AnyPool, backend: DatabaseBackend, space_id: &str, revision: &str,) -> Result<(), AppError> { let now = now_rfc3339(); let sql = adapt_sql( "UPDATE spaces SET revision = ?, updated_at = ? WHERE id = ?", backend, );
sqlx::query(&sql) .bind(revision) .bind(&now) .bind(space_id) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to update space revision: {e}")))?;
Ok(())}
type RecordRow = ( String, String, String, String, String, String, String, String,);
fn parse_record_row(r: RecordRow) -> Result<SpaceRecord, AppError> { let record: serde_json::Value = serde_json::from_str(&r.5) .map_err(|e| AppError::Internal(format!("invalid record JSON: {e}")))?;
Ok(SpaceRecord { uri: r.0, space_id: r.1, author_did: r.2, collection: r.3, rkey: r.4, record, cid: r.6, indexed_at: r.7, })}
// ---------------------------------------------------------------------------// Space Invites// ---------------------------------------------------------------------------
pub async fn create_invite( pool: &sqlx::AnyPool, backend: DatabaseBackend, invite: &SpaceInvite,) -> Result<(), AppError> { let now = now_rfc3339(); let sql = adapt_sql( "INSERT INTO space_invites (id, space_id, token_hash, created_by, access, max_uses, uses, expires_at, revoked, created_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", backend, );
sqlx::query(&sql) .bind(&invite.id) .bind(&invite.space_id) .bind(&invite.token_hash) .bind(&invite.created_by) .bind(invite.access.as_str()) .bind(invite.max_uses) .bind(invite.uses) .bind(&invite.expires_at) .bind(invite.revoked as i32) .bind(&now) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to create invite: {e}")))?;
Ok(())}
pub async fn get_invite_by_token_hash( pool: &sqlx::AnyPool, backend: DatabaseBackend, token_hash: &str,) -> Result<Option<SpaceInvite>, AppError> { let sql = adapt_sql( "SELECT id, space_id, token_hash, created_by, access, max_uses, uses, expires_at, revoked, created_at FROM space_invites WHERE token_hash = ?", backend, );
let row: Option<InviteRow> = sqlx::query_as(&sql) .bind(token_hash) .fetch_optional(pool) .await .map_err(|e| AppError::Internal(format!("failed to get invite: {e}")))?;
row.map(parse_invite_row).transpose()}
pub async fn increment_invite_uses( pool: &sqlx::AnyPool, backend: DatabaseBackend, invite_id: &str,) -> Result<(), AppError> { let sql = adapt_sql( "UPDATE space_invites SET uses = uses + 1 WHERE id = ?", backend, );
sqlx::query(&sql) .bind(invite_id) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to increment invite uses: {e}")))?;
Ok(())}
pub async fn revoke_invite( pool: &sqlx::AnyPool, backend: DatabaseBackend, invite_id: &str,) -> Result<bool, AppError> { let sql = adapt_sql("UPDATE space_invites SET revoked = 1 WHERE id = ?", backend);
let result = sqlx::query(&sql) .bind(invite_id) .execute(pool) .await .map_err(|e| AppError::Internal(format!("failed to revoke invite: {e}")))?;
Ok(result.rows_affected() > 0)}
pub async fn list_invites( pool: &sqlx::AnyPool, backend: DatabaseBackend, space_id: &str,) -> Result<Vec<SpaceInvite>, AppError> { let sql = adapt_sql( "SELECT id, space_id, token_hash, created_by, access, max_uses, uses, expires_at, revoked, created_at FROM space_invites WHERE space_id = ? ORDER BY created_at DESC", backend, );
let rows: Vec<InviteRow> = sqlx::query_as(&sql) .bind(space_id) .fetch_all(pool) .await .map_err(|e| AppError::Internal(format!("failed to list invites: {e}")))?;
rows.into_iter().map(parse_invite_row).collect()}
type InviteRow = ( String, String, String, String, String, Option<i64>, i64, Option<String>, i32, String,);
fn parse_invite_row(r: InviteRow) -> Result<SpaceInvite, AppError> { let access = SpaceAccess::parse(&r.4) .ok_or_else(|| AppError::Internal(format!("invalid invite access: {}", r.4)))?;
Ok(SpaceInvite { id: r.0, space_id: r.1, token_hash: r.2, created_by: r.3, access, max_uses: r.5, uses: r.6, expires_at: r.7, revoked: r.8 != 0, created_at: r.9, })}