Files
movies-diary/crates/adapters/poster-storage/src/lib.rs

96 lines
2.9 KiB
Rust

mod config;
pub use config::StorageConfig;
use async_trait::async_trait;
use domain::{
errors::DomainError,
ports::PosterStorage,
value_objects::{MovieId, PosterPath},
};
use object_store::{Attribute, Attributes, PutOptions, path::Path, ObjectStore};
use std::sync::Arc;
fn detect_mime(bytes: &[u8]) -> &'static str {
infer::get(bytes)
.map(|t| t.mime_type())
.unwrap_or("application/octet-stream")
}
pub struct PosterStorageAdapter {
store: Arc<dyn ObjectStore>,
}
impl PosterStorageAdapter {
pub fn new(store: Arc<dyn ObjectStore>) -> Self {
Self { store }
}
pub fn from_config(config: StorageConfig) -> anyhow::Result<Self> {
Ok(Self::new(config.build_store()?))
}
}
#[async_trait]
impl PosterStorage for PosterStorageAdapter {
async fn store_poster(
&self,
movie_id: &MovieId,
image_bytes: &[u8],
) -> Result<PosterPath, DomainError> {
let path = Path::from(movie_id.value().to_string());
let mime = detect_mime(image_bytes);
let mut attributes = Attributes::new();
attributes.insert(Attribute::ContentType, mime.into());
let opts = PutOptions { attributes, ..Default::default() };
self.store
.put_opts(&path, image_bytes.to_vec().into(), opts)
.await
.map_err(|e| DomainError::InfrastructureError(e.to_string()))?;
PosterPath::new(path.to_string())
}
async fn get_poster(&self, poster_path: &PosterPath) -> Result<Vec<u8>, DomainError> {
let path = Path::from(poster_path.value().to_string());
let result = self.store.get(&path).await.map_err(|e| match e {
object_store::Error::NotFound { .. } => DomainError::NotFound("Poster not found".into()),
_ => DomainError::InfrastructureError(e.to_string()),
})?;
result
.bytes()
.await
.map(|b| b.to_vec())
.map_err(|e| DomainError::InfrastructureError(e.to_string()))
}
}
#[cfg(test)]
mod tests {
use super::*;
use object_store::memory::InMemory;
use uuid::Uuid;
fn adapter() -> PosterStorageAdapter {
PosterStorageAdapter::new(Arc::new(InMemory::new()))
}
#[tokio::test]
async fn store_and_retrieve_round_trip() {
let adapter = adapter();
let movie_id = MovieId::from_uuid(Uuid::new_v4());
let bytes = b"fake-image-bytes";
let path = adapter.store_poster(&movie_id, bytes).await.unwrap();
let retrieved = adapter.get_poster(&path).await.unwrap();
assert_eq!(retrieved, bytes);
}
#[tokio::test]
async fn get_missing_returns_not_found() {
let adapter = adapter();
let path = PosterPath::new("nonexistent".into()).unwrap();
let result = adapter.get_poster(&path).await;
assert!(matches!(result, Err(DomainError::NotFound(_))));
}
}