Files
movies-diary/crates/adapters/metadata/src/lib.rs

79 lines
2.1 KiB
Rust

use async_trait::async_trait;
use domain::{
errors::DomainError,
models::Movie,
ports::{MetadataClient, MetadataSearchCriteria},
value_objects::{ExternalMetadataId, MovieTitle, PosterUrl, ReleaseYear},
};
mod omdb;
mod tmdb;
pub(crate) struct ProviderMovie {
pub imdb_id: ExternalMetadataId,
pub title: MovieTitle,
pub release_year: ReleaseYear,
pub director: Option<String>,
pub poster_url: Option<PosterUrl>,
}
#[async_trait]
pub(crate) trait MetadataProvider: Send + Sync {
async fn fetch(&self, criteria: &MetadataSearchCriteria) -> Result<ProviderMovie, DomainError>;
}
pub struct MetadataClientImpl {
provider: Box<dyn MetadataProvider>,
}
impl MetadataClientImpl {
pub fn new_omdb(api_key: String) -> Self {
Self {
provider: Box::new(omdb::OmdbProvider::new(api_key)),
}
}
pub fn new_tmdb(api_key: String) -> Self {
Self {
provider: Box::new(tmdb::TmdbProvider::new(api_key)),
}
}
}
#[async_trait]
impl MetadataClient for MetadataClientImpl {
async fn fetch_movie_metadata(
&self,
criteria: &MetadataSearchCriteria,
) -> Result<Movie, DomainError> {
let pm = self.provider.fetch(criteria).await?;
Ok(Movie::new(
Some(pm.imdb_id),
pm.title,
pm.release_year,
pm.director,
None,
))
}
async fn get_poster_url(
&self,
external_metadata_id: &ExternalMetadataId,
) -> Result<Option<PosterUrl>, DomainError> {
let criteria = MetadataSearchCriteria::ImdbId(external_metadata_id.clone());
let pm = self.provider.fetch(&criteria).await?;
Ok(pm.poster_url)
}
}
pub fn create() -> anyhow::Result<std::sync::Arc<dyn domain::ports::MetadataClient>> {
use anyhow::Context;
if let Ok(key) = std::env::var("TMDB_API_KEY") {
Ok(std::sync::Arc::new(MetadataClientImpl::new_tmdb(key)))
} else {
let key = std::env::var("OMDB_API_KEY")
.context("either TMDB_API_KEY or OMDB_API_KEY must be set")?;
Ok(std::sync::Arc::new(MetadataClientImpl::new_omdb(key)))
}
}