feat: async image conversion service (avif/webp) with backfill

crates/adapters/sqlite/src/image_ref.rs

@@ -0,0 +1,155 @@
+use async_trait::async_trait;
+use domain::{errors::DomainError, ports::ImageRefPort};
+use sqlx::SqlitePool;
+use std::sync::Arc;
+
+pub struct SqliteImageRefAdapter {
+    pool: SqlitePool,
+}
+
+impl SqliteImageRefAdapter {
+    pub fn new(pool: SqlitePool) -> Self {
+        Self { pool }
+    }
+}
+
+pub fn create_image_ref(pool: SqlitePool) -> Arc<dyn ImageRefPort> {
+    Arc::new(SqliteImageRefAdapter::new(pool))
+}
+
+#[async_trait]
+impl ImageRefPort for SqliteImageRefAdapter {
+    async fn swap(&self, old_key: &str, new_key: &str) -> Result<(), DomainError> {
+        let mut tx = self.pool.begin().await
+            .map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
+        sqlx::query("UPDATE users SET avatar_path = ? WHERE avatar_path = ?")
+            .bind(new_key).bind(old_key)
+            .execute(&mut *tx).await
+            .map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
+        sqlx::query("UPDATE movies SET poster_path = ? WHERE poster_path = ?")
+            .bind(new_key).bind(old_key)
+            .execute(&mut *tx).await
+            .map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
+        tx.commit().await
+            .map_err(|e| DomainError::InfrastructureError(e.to_string()))
+    }
+
+    async fn list_keys(&self) -> Result<Vec<String>, DomainError> {
+        let rows: Vec<(String,)> = sqlx::query_as(
+            "SELECT avatar_path FROM users WHERE avatar_path IS NOT NULL
+             UNION
+             SELECT poster_path FROM movies WHERE poster_path IS NOT NULL",
+        )
+        .fetch_all(&self.pool)
+        .await
+        .map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
+        Ok(rows.into_iter().map(|(k,)| k).collect())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    async fn setup(pool: &SqlitePool) {
+        sqlx::query(
+            "CREATE TABLE IF NOT EXISTS users (
+                id TEXT PRIMARY KEY,
+                email TEXT NOT NULL,
+                username TEXT NOT NULL,
+                password_hash TEXT NOT NULL,
+                created_at TEXT NOT NULL,
+                role TEXT NOT NULL DEFAULT 'standard',
+                bio TEXT,
+                avatar_path TEXT
+            )",
+        )
+        .execute(pool)
+        .await
+        .unwrap();
+
+        sqlx::query(
+            "CREATE TABLE IF NOT EXISTS movies (
+                id TEXT PRIMARY KEY,
+                external_metadata_id TEXT,
+                title TEXT NOT NULL,
+                release_year INTEGER,
+                director TEXT,
+                poster_path TEXT
+            )",
+        )
+        .execute(pool)
+        .await
+        .unwrap();
+    }
+
+    #[tokio::test]
+    async fn list_keys_returns_both_avatar_and_poster_paths() {
+        let pool = SqlitePool::connect("sqlite::memory:").await.unwrap();
+        setup(&pool).await;
+
+        sqlx::query("INSERT INTO users VALUES ('u1','e@e.com','u','h','2024-01-01','standard',NULL,'avatars/u1')")
+            .execute(&pool).await.unwrap();
+        sqlx::query("INSERT INTO movies VALUES ('m1','tt1','Title',2020,'Dir','posters/m1')")
+            .execute(&pool).await.unwrap();
+
+        let adapter = SqliteImageRefAdapter::new(pool);
+        let mut keys = adapter.list_keys().await.unwrap();
+        keys.sort();
+
+        assert_eq!(keys, vec!["avatars/u1", "posters/m1"]);
+    }
+
+    #[tokio::test]
+    async fn list_keys_excludes_nulls() {
+        let pool = SqlitePool::connect("sqlite::memory:").await.unwrap();
+        setup(&pool).await;
+
+        sqlx::query("INSERT INTO users VALUES ('u1','e@e.com','u','h','2024-01-01','standard',NULL,NULL)")
+            .execute(&pool).await.unwrap();
+
+        let adapter = SqliteImageRefAdapter::new(pool);
+        assert_eq!(adapter.list_keys().await.unwrap(), Vec::<String>::new());
+    }
+
+    #[tokio::test]
+    async fn swap_updates_avatar_path() {
+        let pool = SqlitePool::connect("sqlite::memory:").await.unwrap();
+        setup(&pool).await;
+
+        sqlx::query("INSERT INTO users VALUES ('u1','e@e.com','u','h','2024-01-01','standard',NULL,'avatars/u1')")
+            .execute(&pool).await.unwrap();
+
+        let adapter = SqliteImageRefAdapter::new(pool.clone());
+        adapter.swap("avatars/u1", "avatars/u1.avif").await.unwrap();
+
+        let row: (Option<String>,) = sqlx::query_as("SELECT avatar_path FROM users WHERE id='u1'")
+            .fetch_one(&pool).await.unwrap();
+        assert_eq!(row.0.as_deref(), Some("avatars/u1.avif"));
+    }
+
+    #[tokio::test]
+    async fn swap_updates_poster_path() {
+        let pool = SqlitePool::connect("sqlite::memory:").await.unwrap();
+        setup(&pool).await;
+
+        sqlx::query("INSERT INTO movies VALUES ('m1','tt1','Title',2020,'Dir','posters/m1')")
+            .execute(&pool).await.unwrap();
+
+        let adapter = SqliteImageRefAdapter::new(pool.clone());
+        adapter.swap("posters/m1", "posters/m1.avif").await.unwrap();
+
+        let row: (Option<String>,) = sqlx::query_as("SELECT poster_path FROM movies WHERE id='m1'")
+            .fetch_one(&pool).await.unwrap();
+        assert_eq!(row.0.as_deref(), Some("posters/m1.avif"));
+    }
+
+    #[tokio::test]
+    async fn swap_noop_when_key_not_found() {
+        let pool = SqlitePool::connect("sqlite::memory:").await.unwrap();
+        setup(&pool).await;
+
+        let adapter = SqliteImageRefAdapter::new(pool);
+        adapter.swap("missing/key", "missing/key.avif").await.unwrap();
+    }
+}