feat(#113): 100% blob storage model — PostgreSQL metadata + DedupService blobs
BREAKING CHANGE: Storage model completely rewritten. All file/folder metadata now lives in PostgreSQL (storage schema). File content stored as content-addressable blobs via DedupService. Filesystem directories are no longer used for user storage. New components: - storage.folders / storage.files / storage.trash_items (PG schema) - FolderDbRepository: virtual folders backed by PG - FileBlobReadRepository: file reads via PG metadata + dedup blobs - FileBlobWriteRepository: file writes via PG metadata + dedup blobs - TrashDbRepository: soft-delete trash using is_trashed flags Removed legacy FS components (~5500 lines deleted): - FolderFsRepository, FileFsReadRepository, FileFsWriteRepository - CompositeFileRepository, ParallelFileProcessor - IdMappingService, IdMappingOptimizer, FileMetadataCache - BufferPool, FileSystemUtils, RepositoryErrors - TrashFsRepository, FolderFsRepositoryTrash DI rewired: build_app_state() now requires PgPool (no FS fallback). FileUploadService.new_with_read() and FileRetrievalService.new_with_cache() constructors added for blob model (no write-behind needed). Closes #113
This commit is contained in:
Dionisio
@@ -0,0 +1,603 @@
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//! PostgreSQL-backed folder repository.
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//!
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//! Implements `FolderRepository` (and thus `FolderStoragePort`) using the
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//! `storage.folders` table. Folders are purely virtual — no physical
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//! directories are created on the filesystem.
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use async_trait::async_trait;
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use sqlx::PgPool;
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use std::sync::Arc;
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use crate::common::errors::DomainError;
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use crate::domain::entities::folder::Folder;
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use crate::domain::repositories::folder_repository::FolderRepository;
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use crate::domain::services::path_service::StoragePath;
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/// PostgreSQL-backed folder repository.
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///
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/// All folder metadata lives in the `storage.folders` table. The physical
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/// filesystem is never touched for folder operations.
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pub struct FolderDbRepository {
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pool: Option<Arc<PgPool>>,
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}
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impl FolderDbRepository {
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pub fn new(pool: Arc<PgPool>) -> Self {
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Self { pool: Some(pool) }
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}
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/// Creates a stub instance for `AppState::default()`.
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/// This is never called in production — only used for route scaffolding.
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pub fn new_stub() -> Self {
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Self { pool: None }
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}
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/// Get the pool, panicking if stub.
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fn pool(&self) -> &PgPool {
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self.pool.as_deref().expect("FolderDbRepository: pool not available (stub instance)")
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}
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// ── helpers ──────────────────────────────────────────────────
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/// Build the full virtual path for a folder by walking up the `parent_id` chain.
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async fn build_folder_path(&self, folder_id: &str) -> Result<StoragePath, DomainError> {
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// CTE-based recursive query to build path segments
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let _rows = sqlx::query_as::<_, (String,)>(
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r#"
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WITH RECURSIVE ancestors AS (
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SELECT id, name, parent_id
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FROM storage.folders
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WHERE id = $1::uuid
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UNION ALL
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SELECT f.id, f.name, f.parent_id
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FROM storage.folders f
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JOIN ancestors a ON f.id = a.parent_id
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)
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SELECT name FROM ancestors ORDER BY name
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"#,
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)
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.bind(folder_id)
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.fetch_all(self.pool())
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.await
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.map_err(|e| DomainError::internal_error("FolderDb", format!("path query: {e}")))?;
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// Actually we need a proper ordering. Let me rewrite with depth tracking.
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// Re-query with depth.
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let rows = sqlx::query_as::<_, (String, i32)>(
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r#"
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WITH RECURSIVE ancestors AS (
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SELECT id, name, parent_id, 0 AS depth
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FROM storage.folders
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WHERE id = $1::uuid
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UNION ALL
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SELECT f.id, f.name, f.parent_id, a.depth + 1
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FROM storage.folders f
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JOIN ancestors a ON f.id = a.parent_id
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)
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SELECT name, depth FROM ancestors ORDER BY depth DESC
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"#,
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)
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.bind(folder_id)
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.fetch_all(self.pool())
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.await
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.map_err(|e| DomainError::internal_error("FolderDb", format!("path query: {e}")))?;
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let path_parts: Vec<&str> = rows.iter().map(|(name, _)| name.as_str()).collect();
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let path_str = path_parts.join("/");
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Ok(StoragePath::from_string(&path_str))
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}
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/// Convert a database row into a `Folder` domain entity.
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async fn row_to_folder(
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&self,
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id: String,
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name: String,
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parent_id: Option<String>,
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created_at: i64,
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modified_at: i64,
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) -> Result<Folder, DomainError> {
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let storage_path = self.build_folder_path(&id).await?;
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Folder::with_timestamps(
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id,
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name,
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storage_path,
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parent_id,
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created_at as u64,
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modified_at as u64,
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)
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.map_err(|e| DomainError::internal_error("FolderDb", format!("entity: {e}")))
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}
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}
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#[async_trait]
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impl FolderRepository for FolderDbRepository {
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async fn create_folder(
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&self,
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name: String,
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parent_id: Option<String>,
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) -> Result<Folder, DomainError> {
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// Derive user_id from parent folder. Root-level folders require the
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// caller to have set up the home folder beforehand (done during user
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// registration).
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let user_id: String = if let Some(ref pid) = parent_id {
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sqlx::query_scalar::<_, String>(
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"SELECT user_id FROM storage.folders WHERE id = $1::uuid",
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)
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.bind(pid)
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.fetch_optional(self.pool())
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.await
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.map_err(|e| DomainError::internal_error("FolderDb", format!("parent lookup: {e}")))?
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.ok_or_else(|| DomainError::not_found("Folder", pid))?
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} else {
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return Err(DomainError::internal_error(
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"FolderDb",
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"Cannot create root folder without user_id — use create_home_folder instead",
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));
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};
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let row = sqlx::query_as::<_, (String, i64, i64)>(
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r#"
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INSERT INTO storage.folders (name, parent_id, user_id)
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VALUES ($1, $2::uuid, $3)
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RETURNING id::text,
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EXTRACT(EPOCH FROM created_at)::bigint,
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EXTRACT(EPOCH FROM updated_at)::bigint
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"#,
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)
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.bind(&name)
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.bind(&parent_id)
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.bind(&user_id)
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.fetch_one(self.pool())
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.await
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.map_err(|e| {
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if let sqlx::Error::Database(ref db_err) = e {
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if db_err.code().as_deref() == Some("23505") {
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return DomainError::already_exists(
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"Folder",
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format!("{name} already exists in parent"),
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);
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}
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}
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DomainError::internal_error("FolderDb", format!("insert: {e}"))
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})?;
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self.row_to_folder(row.0, name, parent_id, row.1, row.2)
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.await
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}
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async fn get_folder(&self, id: &str) -> Result<Folder, DomainError> {
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let row = sqlx::query_as::<_, (String, String, Option<String>, i64, i64)>(
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r#"
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SELECT id::text, name, parent_id::text,
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EXTRACT(EPOCH FROM created_at)::bigint,
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EXTRACT(EPOCH FROM updated_at)::bigint
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FROM storage.folders
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WHERE id = $1::uuid AND NOT is_trashed
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"#,
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)
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.bind(id)
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.fetch_optional(self.pool())
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.await
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.map_err(|e| DomainError::internal_error("FolderDb", format!("get: {e}")))?
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.ok_or_else(|| DomainError::not_found("Folder", id))?;
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self.row_to_folder(row.0, row.1, row.2, row.3, row.4)
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.await
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}
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async fn get_folder_by_path(
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&self,
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storage_path: &StoragePath,
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) -> Result<Folder, DomainError> {
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// Walk the path segments to find the folder.
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let path_str = storage_path.to_string();
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let segments: Vec<&str> = path_str.split('/').filter(|s| !s.is_empty()).collect();
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if segments.is_empty() {
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return Err(DomainError::not_found("Folder", "empty path"));
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}
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let mut current_parent: Option<String> = None;
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let mut current_id = String::new();
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for segment in &segments {
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let row = if let Some(ref pid) = current_parent {
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sqlx::query_as::<_, (String,)>(
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r#"
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SELECT id::text FROM storage.folders
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WHERE name = $1 AND parent_id = $2::uuid AND NOT is_trashed
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"#,
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)
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.bind(segment)
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.bind(pid)
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.fetch_optional(self.pool())
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.await
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} else {
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sqlx::query_as::<_, (String,)>(
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r#"
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SELECT id::text FROM storage.folders
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WHERE name = $1 AND parent_id IS NULL AND NOT is_trashed
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"#,
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)
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.bind(segment)
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.fetch_optional(self.pool())
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.await
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}
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.map_err(|e| DomainError::internal_error("FolderDb", format!("path walk: {e}")))?
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.ok_or_else(|| {
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DomainError::not_found("Folder", format!("segment '{segment}' in path"))
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})?;
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current_id = row.0;
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current_parent = Some(current_id.clone());
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}
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self.get_folder(¤t_id).await
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}
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async fn list_folders(
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&self,
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parent_id: Option<&str>,
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) -> Result<Vec<Folder>, DomainError> {
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let rows: Vec<(String, String, Option<String>, i64, i64)> = if let Some(pid) = parent_id {
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sqlx::query_as(
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r#"
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SELECT id::text, name, parent_id::text,
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EXTRACT(EPOCH FROM created_at)::bigint,
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EXTRACT(EPOCH FROM updated_at)::bigint
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FROM storage.folders
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WHERE parent_id = $1::uuid AND NOT is_trashed
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ORDER BY name
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"#,
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)
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.bind(pid)
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.fetch_all(self.pool())
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.await
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} else {
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sqlx::query_as(
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r#"
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SELECT id::text, name, parent_id::text,
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EXTRACT(EPOCH FROM created_at)::bigint,
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EXTRACT(EPOCH FROM updated_at)::bigint
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FROM storage.folders
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WHERE parent_id IS NULL AND NOT is_trashed
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ORDER BY name
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"#,
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)
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.fetch_all(self.pool())
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.await
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}
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.map_err(|e| DomainError::internal_error("FolderDb", format!("list: {e}")))?;
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let mut folders = Vec::with_capacity(rows.len());
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for (id, name, pid, ca, ma) in rows {
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folders.push(self.row_to_folder(id, name, pid, ca, ma).await?);
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}
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Ok(folders)
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}
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async fn list_folders_paginated(
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&self,
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parent_id: Option<&str>,
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offset: usize,
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limit: usize,
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include_total: bool,
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) -> Result<(Vec<Folder>, Option<usize>), DomainError> {
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let total = if include_total {
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let count: i64 = if let Some(pid) = parent_id {
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sqlx::query_scalar(
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"SELECT COUNT(*) FROM storage.folders WHERE parent_id = $1::uuid AND NOT is_trashed",
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)
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.bind(pid)
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.fetch_one(self.pool())
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.await
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} else {
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sqlx::query_scalar(
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"SELECT COUNT(*) FROM storage.folders WHERE parent_id IS NULL AND NOT is_trashed",
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)
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.fetch_one(self.pool())
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.await
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}
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.map_err(|e| DomainError::internal_error("FolderDb", format!("count: {e}")))?;
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Some(count as usize)
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} else {
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None
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};
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let rows: Vec<(String, String, Option<String>, i64, i64)> = if let Some(pid) = parent_id {
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sqlx::query_as(
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r#"
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SELECT id::text, name, parent_id::text,
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EXTRACT(EPOCH FROM created_at)::bigint,
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EXTRACT(EPOCH FROM updated_at)::bigint
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FROM storage.folders
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WHERE parent_id = $1::uuid AND NOT is_trashed
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ORDER BY name
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LIMIT $2 OFFSET $3
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"#,
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)
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.bind(pid)
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.bind(limit as i64)
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.bind(offset as i64)
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.fetch_all(self.pool())
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.await
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} else {
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sqlx::query_as(
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r#"
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SELECT id::text, name, parent_id::text,
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EXTRACT(EPOCH FROM created_at)::bigint,
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EXTRACT(EPOCH FROM updated_at)::bigint
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FROM storage.folders
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WHERE parent_id IS NULL AND NOT is_trashed
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ORDER BY name
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LIMIT $1 OFFSET $2
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"#,
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)
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.bind(limit as i64)
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.bind(offset as i64)
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.fetch_all(self.pool())
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.await
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}
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.map_err(|e| DomainError::internal_error("FolderDb", format!("paginate: {e}")))?;
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let mut folders = Vec::with_capacity(rows.len());
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for (id, name, pid, ca, ma) in rows {
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folders.push(self.row_to_folder(id, name, pid, ca, ma).await?);
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}
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Ok((folders, total))
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}
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async fn rename_folder(
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&self,
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id: &str,
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new_name: String,
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) -> Result<Folder, DomainError> {
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sqlx::query(
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r#"
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UPDATE storage.folders
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SET name = $1, updated_at = NOW()
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WHERE id = $2::uuid AND NOT is_trashed
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"#,
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)
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.bind(&new_name)
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.bind(id)
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.execute(self.pool())
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.await
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.map_err(|e| {
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if let sqlx::Error::Database(ref db_err) = e {
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if db_err.code().as_deref() == Some("23505") {
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return DomainError::already_exists(
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"Folder",
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format!("{new_name} already exists"),
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);
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}
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}
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DomainError::internal_error("FolderDb", format!("rename: {e}"))
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})?;
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self.get_folder(id).await
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}
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async fn move_folder(
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&self,
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id: &str,
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new_parent_id: Option<&str>,
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) -> Result<Folder, DomainError> {
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sqlx::query(
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r#"
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UPDATE storage.folders
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SET parent_id = $1::uuid, updated_at = NOW()
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WHERE id = $2::uuid AND NOT is_trashed
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"#,
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)
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.bind(new_parent_id)
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.bind(id)
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.execute(self.pool())
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.await
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.map_err(|e| DomainError::internal_error("FolderDb", format!("move: {e}")))?;
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self.get_folder(id).await
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}
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async fn delete_folder(&self, id: &str) -> Result<(), DomainError> {
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// Hard delete folder and all descendants (CASCADE handles children)
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let result = sqlx::query("DELETE FROM storage.folders WHERE id = $1::uuid")
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.bind(id)
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.execute(self.pool())
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.await
|
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.map_err(|e| DomainError::internal_error("FolderDb", format!("delete: {e}")))?;
|
||||
|
||||
if result.rows_affected() == 0 {
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return Err(DomainError::not_found("Folder", id));
|
||||
}
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Ok(())
|
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}
|
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|
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async fn folder_exists(&self, storage_path: &StoragePath) -> Result<bool, DomainError> {
|
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// Try to find by walking the path
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match self.get_folder_by_path(storage_path).await {
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Ok(_) => Ok(true),
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Err(e) if e.to_string().contains("not found") => Ok(false),
|
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Err(e) => Err(e),
|
||||
}
|
||||
}
|
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|
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async fn get_folder_path(&self, id: &str) -> Result<StoragePath, DomainError> {
|
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self.build_folder_path(id).await
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||||
}
|
||||
|
||||
// ── Trash operations ──
|
||||
|
||||
async fn move_to_trash(&self, folder_id: &str) -> Result<(), DomainError> {
|
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// Soft-delete: set is_trashed = true and remember original parent
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||||
let result = sqlx::query(
|
||||
r#"
|
||||
UPDATE storage.folders
|
||||
SET is_trashed = TRUE,
|
||||
trashed_at = NOW(),
|
||||
original_parent_id = parent_id,
|
||||
updated_at = NOW()
|
||||
WHERE id = $1::uuid AND NOT is_trashed
|
||||
"#,
|
||||
)
|
||||
.bind(folder_id)
|
||||
.execute(self.pool())
|
||||
.await
|
||||
.map_err(|e| DomainError::internal_error("FolderDb", format!("trash: {e}")))?;
|
||||
|
||||
if result.rows_affected() == 0 {
|
||||
return Err(DomainError::not_found("Folder", folder_id));
|
||||
}
|
||||
|
||||
// Also trash all files inside the folder (recursively)
|
||||
sqlx::query(
|
||||
r#"
|
||||
WITH RECURSIVE descendants AS (
|
||||
SELECT id FROM storage.folders WHERE id = $1::uuid
|
||||
UNION ALL
|
||||
SELECT f.id FROM storage.folders f JOIN descendants d ON f.parent_id = d.id
|
||||
)
|
||||
UPDATE storage.files
|
||||
SET is_trashed = TRUE, trashed_at = NOW(), original_folder_id = folder_id
|
||||
WHERE folder_id IN (SELECT id FROM descendants) AND NOT is_trashed
|
||||
"#,
|
||||
)
|
||||
.bind(folder_id)
|
||||
.execute(self.pool())
|
||||
.await
|
||||
.map_err(|e| DomainError::internal_error("FolderDb", format!("trash files: {e}")))?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn restore_from_trash(
|
||||
&self,
|
||||
folder_id: &str,
|
||||
_original_path: &str,
|
||||
) -> Result<(), DomainError> {
|
||||
// Restore: set is_trashed = false, restore parent_id from original_parent_id
|
||||
let result = sqlx::query(
|
||||
r#"
|
||||
UPDATE storage.folders
|
||||
SET is_trashed = FALSE,
|
||||
trashed_at = NULL,
|
||||
parent_id = COALESCE(original_parent_id, parent_id),
|
||||
original_parent_id = NULL,
|
||||
updated_at = NOW()
|
||||
WHERE id = $1::uuid AND is_trashed
|
||||
"#,
|
||||
)
|
||||
.bind(folder_id)
|
||||
.execute(self.pool())
|
||||
.await
|
||||
.map_err(|e| DomainError::internal_error("FolderDb", format!("restore: {e}")))?;
|
||||
|
||||
if result.rows_affected() == 0 {
|
||||
return Err(DomainError::not_found("Folder", folder_id));
|
||||
}
|
||||
|
||||
// Also restore files that were trashed with this folder
|
||||
sqlx::query(
|
||||
r#"
|
||||
WITH RECURSIVE descendants AS (
|
||||
SELECT id FROM storage.folders WHERE id = $1::uuid
|
||||
UNION ALL
|
||||
SELECT f.id FROM storage.folders f JOIN descendants d ON f.parent_id = d.id
|
||||
)
|
||||
UPDATE storage.files
|
||||
SET is_trashed = FALSE,
|
||||
trashed_at = NULL,
|
||||
folder_id = COALESCE(original_folder_id, folder_id),
|
||||
original_folder_id = NULL
|
||||
WHERE folder_id IN (SELECT id FROM descendants) AND is_trashed
|
||||
"#,
|
||||
)
|
||||
.bind(folder_id)
|
||||
.execute(self.pool())
|
||||
.await
|
||||
.map_err(|e| DomainError::internal_error("FolderDb", format!("restore files: {e}")))?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn delete_folder_permanently(&self, folder_id: &str) -> Result<(), DomainError> {
|
||||
// Permanently delete — CASCADE handles children
|
||||
let result = sqlx::query("DELETE FROM storage.folders WHERE id = $1::uuid")
|
||||
.bind(folder_id)
|
||||
.execute(self.pool())
|
||||
.await
|
||||
.map_err(|e| DomainError::internal_error("FolderDb", format!("perm delete: {e}")))?;
|
||||
|
||||
if result.rows_affected() == 0 {
|
||||
return Err(DomainError::not_found("Folder", folder_id));
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
// ── Extra helpers for blob-storage bootstrap ──
|
||||
|
||||
impl FolderDbRepository {
|
||||
/// Creates a root-level home folder for a user.
|
||||
/// This is called during user registration.
|
||||
pub async fn create_home_folder(
|
||||
&self,
|
||||
user_id: &str,
|
||||
name: &str,
|
||||
) -> Result<Folder, DomainError> {
|
||||
let row = sqlx::query_as::<_, (String, i64, i64)>(
|
||||
r#"
|
||||
INSERT INTO storage.folders (name, parent_id, user_id)
|
||||
VALUES ($1, NULL, $2)
|
||||
ON CONFLICT DO NOTHING
|
||||
RETURNING id::text,
|
||||
EXTRACT(EPOCH FROM created_at)::bigint,
|
||||
EXTRACT(EPOCH FROM updated_at)::bigint
|
||||
"#,
|
||||
)
|
||||
.bind(name)
|
||||
.bind(user_id)
|
||||
.fetch_optional(self.pool())
|
||||
.await
|
||||
.map_err(|e| DomainError::internal_error("FolderDb", format!("home folder: {e}")))?;
|
||||
|
||||
match row {
|
||||
Some((id, ca, ma)) => {
|
||||
self.row_to_folder(id, name.to_string(), None, ca, ma).await
|
||||
}
|
||||
None => {
|
||||
// Already exists — fetch it
|
||||
let existing = sqlx::query_as::<_, (String, i64, i64)>(
|
||||
r#"
|
||||
SELECT id::text,
|
||||
EXTRACT(EPOCH FROM created_at)::bigint,
|
||||
EXTRACT(EPOCH FROM updated_at)::bigint
|
||||
FROM storage.folders
|
||||
WHERE name = $1 AND user_id = $2 AND parent_id IS NULL
|
||||
"#,
|
||||
)
|
||||
.bind(name)
|
||||
.bind(user_id)
|
||||
.fetch_one(self.pool())
|
||||
.await
|
||||
.map_err(|e| {
|
||||
DomainError::internal_error("FolderDb", format!("home fetch: {e}"))
|
||||
})?;
|
||||
self.row_to_folder(existing.0, name.to_string(), None, existing.1, existing.2)
|
||||
.await
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Returns user_id for a given folder. Used by file repositories.
|
||||
pub async fn get_folder_user_id(&self, folder_id: &str) -> Result<String, DomainError> {
|
||||
sqlx::query_scalar::<_, String>(
|
||||
"SELECT user_id FROM storage.folders WHERE id = $1::uuid",
|
||||
)
|
||||
.bind(folder_id)
|
||||
.fetch_optional(self.pool())
|
||||
.await
|
||||
.map_err(|e| DomainError::internal_error("FolderDb", format!("user_id lookup: {e}")))?
|
||||
.ok_or_else(|| DomainError::not_found("Folder", folder_id))
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user