Change the format of SampleIdentifiers and don't make a subdir per locale

crates/cli/src/commands/templates.rs

@@ -4,7 +4,7 @@
 // SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
 // Please see LICENSE files in the repository root for full details.
 
-use std::{collections::BTreeSet, fmt::Write, process::ExitCode};
+use std::{fmt::Write, process::ExitCode};
 
 use anyhow::{Context as _, bail};
 use camino::Utf8PathBuf;
@@ -92,19 +92,6 @@ impl Options {
                             .with_context(|| format!("could not create {out_dir}"))?;
                     }
 
-                    let all_locales: BTreeSet<&str> = all_renders
-                        .iter()
-                        .filter_map(|((_, sample_identifier), _)| {
-                            sample_identifier.locale.as_deref()
-                        })
-                        .collect();
-                    for locale in all_locales {
-                        let locale_dir = out_dir.join(locale);
-                        tokio::fs::create_dir(&locale_dir)
-                            .await
-                            .with_context(|| format!("could not create {locale_dir}"))?;
-                    }
-
                     for ((template, sample_identifier), template_render) in &all_renders {
                         let (template_filename_base, template_ext) =
                             template.rsplit_once('.').unwrap_or((template, "txt"));
@@ -115,20 +102,13 @@ impl Options {
                         // - `-session2-sample1`
                         let sample_suffix = {
                             let mut s = String::new();
-                            if let Some(session_index) = sample_identifier.session_index {
-                                write!(s, "-session{session_index}")?;
+                            for (k, v) in &sample_identifier.components {
+                                write!(s, "-{k}:{v}")?;
                             }
-                            write!(s, "-sample{}", sample_identifier.index)?;
                             s
                         };
 
-                        let locale_dir = if let Some(locale) = &sample_identifier.locale {
-                            out_dir.join(locale)
-                        } else {
-                            out_dir.clone()
-                        };
-
-                        let render_path = locale_dir.join(format!(
+                        let render_path = out_dir.join(format!(
                             "{template_filename_base}{sample_suffix}.{template_ext}"
                         ));
 

crates/templates/src/context.rs

@@ -117,31 +117,21 @@ pub trait TemplateContext: Serialize {
 
 #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
 pub struct SampleIdentifier {
-    /// A stable locale identifier.
-    pub locale: Option<String>,
-
-    /// A stable identifier for the session that was used in this sample.
-    pub session_index: Option<usize>,
-
-    /// A stable positional index of the sample for this context.
-    pub index: usize,
+    pub components: Vec<(&'static str, String)>,
 }
 
 impl SampleIdentifier {
-    pub fn with_locale(&self, locale: String) -> Self {
-        SampleIdentifier {
-            locale: Some(locale),
-            session_index: self.session_index,
-            index: self.index,
+    pub fn from_index(index: usize) -> Self {
+        Self {
+            components: Vec::default(),
         }
+        .with_appended("index", format!("{index}"))
     }
 
-    pub fn with_session_index(self, session_index: usize) -> Self {
-        SampleIdentifier {
-            locale: self.locale,
-            session_index: Some(session_index),
-            index: self.index,
-        }
+    pub fn with_appended(&self, kind: &'static str, locale: String) -> Self {
+        let mut new = self.clone();
+        new.components.push((kind, locale));
+        new
     }
 }
 
@@ -149,16 +139,7 @@ pub(crate) fn sample_list<T: TemplateContext>(samples: Vec<T>) -> BTreeMap<Sampl
     samples
         .into_iter()
         .enumerate()
-        .map(|(index, sample)| {
-            (
-                SampleIdentifier {
-                    locale: None,
-                    session_index: None,
-                    index,
-                },
-                sample,
-            )
-        })
+        .map(|(index, sample)| (SampleIdentifier::from_index(index), sample))
         .collect()
 }
 
@@ -215,7 +196,7 @@ impl<T: TemplateContext> TemplateContext for WithLanguage<T> {
                     .into_iter()
                     .map(|(sample_id, sample)| {
                         (
-                            sample_id.with_locale(locale.to_string()),
+                            sample_id.with_appended("locale", locale.to_string()),
                             WithLanguage {
                                 lang: locale.to_string(),
                                 inner: sample,
@@ -286,7 +267,7 @@ impl<T: TemplateContext> TemplateContext for WithSession<T> {
                     .into_iter()
                     .map(move |(k, inner)| {
                         (
-                            k.with_session_index(session_index),
+                            k.with_appended("browser-session", session_index.to_string()),
                             WithSession {
                                 current_session: session.clone(),
                                 inner,
@@ -327,7 +308,7 @@ impl<T: TemplateContext> TemplateContext for WithOptionalSession<T> {
                     .map(move |(k, inner)| {
                         (
                             if session.is_some() {
-                                k.with_session_index(session_index)
+                                k.with_appended("browser-session", session_index.to_string())
                             } else {
                                 k
                             },