Refactor sidecars

crates/pile-value/src/value/item.rs

@@ -1,6 +1,7 @@
 use mime::Mime;
+use pile_config::Label;
 use smartstring::{LazyCompact, SmartString};
-use std::{fs::File, path::PathBuf, sync::Arc};
+use std::{collections::HashMap, fs::File, path::PathBuf, sync::Arc};
 
 use crate::{
 	source::{DirDataSource, S3DataSource},
@@ -19,7 +20,7 @@ pub enum Item {
 		mime: Mime,
 
 		path: PathBuf,
-		sidecar: Option<Box<Item>>,
+		group: Arc<HashMap<Label, Box<Item>>>,
 	},
 
 	S3 {
@@ -27,7 +28,7 @@ pub enum Item {
 		mime: Mime,
 
 		key: SmartString<LazyCompact>,
-		sidecar: Option<Box<Item>>,
+		group: Arc<HashMap<Label, Box<Item>>>,
 	},
 }
 
@@ -71,7 +72,12 @@ impl Item {
 	#[expect(clippy::expect_used)]
 	pub fn key(&self) -> SmartString<LazyCompact> {
 		match self {
-			Self::File { path, .. } => path.to_str().expect("path is not utf-8").into(),
+			Self::File { source, path, .. } => path
+				.strip_prefix(&source.dir)
+				.unwrap()
+				.to_str()
+				.expect("path is not utf-8")
+				.into(),
 			Self::S3 { key, .. } => key.clone(),
 		}
 	}
@@ -96,10 +102,10 @@ impl Item {
 		}
 	}
 
-	pub fn sidecar(&self) -> Option<&Self> {
+	pub fn group(&self) -> &HashMap<Label, Box<Self>> {
 		match self {
-			Self::File { sidecar, .. } => sidecar.as_ref().map(|x| &**x),
-			Self::S3 { sidecar, .. } => sidecar.as_ref().map(|x| &**x),
+			Self::File { group, .. } => group,
+			Self::S3 { group, .. } => group,
 		}
 	}
 }