Struct UploadHandler 

pub struct UploadHandler { /* private fields */ }

Handles file uploads with validation, storage, and optional image processing.

Implementations

impl UploadHandler

pub fn new(backend: Arc<StorageBackend>) -> Self

Create a new upload handler with the given storage backend.

pub async fn process_upload( &self, filename: &str, data: &[u8], mime_type: &str, max_size: Option<u64>, allowed_types: Option<&[String]>, storage_prefix: &str, ) -> Result<FileMetadata, StorageError>

Process an upload: validate size and MIME type, store the file.

Returns the file metadata on success.

pub async fn create_thumbnail( &self, original_path: &str, max_width: u32, max_height: u32, storage_prefix: &str, ) -> Result<FileMetadata, StorageError>

Generate a thumbnail for an image file.

Returns the metadata of the stored thumbnail.

pub async fn resize_image( &self, original_path: &str, width: u32, height: u32, storage_prefix: &str, ) -> Result<FileMetadata, StorageError>

Resize an image to fit within the given dimensions.

pub async fn signed_url( &self, path: &str, expires_secs: u64, ) -> Result<String, StorageError>

Generate a time-limited signed URL for a file.

pub async fn delete(&self, path: &str) -> Result<(), StorageError>

Delete a file from storage (used for orphan cleanup).

pub fn backend(&self) -> &StorageBackend

Returns a reference to the underlying storage backend.