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use async_trait::async_trait;
pub mod file;
#[derive(Debug, Clone, Copy)]
pub enum ErrorKind {
Backend,
Permission,
Conflict,
Other,
}
#[derive(Debug)]
pub struct MediaStoreError {
kind: ErrorKind,
source: Option<Box<dyn std::error::Error + Send + Sync>>,
msg: String,
}
impl std::error::Error for MediaStoreError {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
self.source
.as_ref()
.map(|i| i.as_ref() as &dyn std::error::Error)
}
}
impl std::fmt::Display for MediaStoreError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{}: {}",
match self.kind {
ErrorKind::Backend => "media storage backend error",
ErrorKind::Permission => "permission denied",
ErrorKind::Conflict => "conflict with existing data",
ErrorKind::Other => "unknown media storage error",
},
self.msg
)
}
}
pub type Result<T> = std::result::Result<T, MediaStoreError>;
#[async_trait]
pub trait MediaStore: 'static + Send + Sync + Clone {
async fn write_streaming(
&self,
domain: url::Host,
filename: &str,
content: axum::extract::multipart::Field<'_>,
) -> Result<()>;
async fn write(&self, domain: url::Host, filename: &str, content: &[u8]) -> Result<()>;
async fn read_streaming(
&self,
domain: url::Host,
filename: &str,
) -> Result<tokio_util::io::ReaderStream<Box<dyn tokio::io::AsyncRead>>>;
async fn read(&self, domain: url::Host, filename: &str) -> Result<Vec<u8>>;
async fn delete(&self, domain: url::Host, filename: &str) -> Result<()>;
}
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