templates: translate a lot more stuff

crates/templates/src/context.rs

@@ -109,6 +109,21 @@ pub struct WithLanguage<T> {
     inner: T,
 }
 
+impl<T> WithLanguage<T> {
+    /// Get the language of this context
+    pub fn language(&self) -> &str {
+        &self.lang
+    }
+}
+
+impl<T> std::ops::Deref for WithLanguage<T> {
+    type Target = T;
+
+    fn deref(&self) -> &Self::Target {
+        &self.inner
+    }
+}
+
 impl<T: TemplateContext> TemplateContext for WithLanguage<T> {
     fn sample(now: chrono::DateTime<Utc>, rng: &mut impl Rng) -> Vec<Self>
     where
@@ -984,6 +999,7 @@ pub struct ErrorContext {
     code: Option<&'static str>,
     description: Option<String>,
     details: Option<String>,
+    lang: Option<String>,
 }
 
 impl std::fmt::Display for ErrorContext {
@@ -1047,6 +1063,13 @@ impl ErrorContext {
         self
     }
 
+    /// Add the language to the context
+    #[must_use]
+    pub fn with_language(mut self, lang: &DataLocale) -> Self {
+        self.lang = Some(lang.to_string());
+        self
+    }
+
     /// Get the error code, if any
     #[must_use]
     pub fn code(&self) -> Option<&'static str> {

crates/templates/src/lib.rs

@@ -29,7 +29,7 @@ use std::{collections::HashSet, sync::Arc};
 use anyhow::Context as _;
 use arc_swap::ArcSwap;
 use camino::{Utf8Path, Utf8PathBuf};
-use mas_i18n::{Translator};
+use mas_i18n::Translator;
 use mas_router::UrlBuilder;
 use mas_spa::ViteManifest;
 use rand::Rng;
@@ -346,13 +346,13 @@ register_templates! {
     pub fn render_error(ErrorContext) { "pages/error.html" }
 
     /// Render the email verification email (plain text variant)
-    pub fn render_email_verification_txt(EmailVerificationContext) { "emails/verification.txt" }
+    pub fn render_email_verification_txt(WithLanguage<EmailVerificationContext>) { "emails/verification.txt" }
 
     /// Render the email verification email (HTML text variant)
-    pub fn render_email_verification_html(EmailVerificationContext) { "emails/verification.html" }
+    pub fn render_email_verification_html(WithLanguage<EmailVerificationContext>) { "emails/verification.html" }
 
     /// Render the email verification subject
-    pub fn render_email_verification_subject(EmailVerificationContext) { "emails/verification.subject" }
+    pub fn render_email_verification_subject(WithLanguage<EmailVerificationContext>) { "emails/verification.subject" }
 
     /// Render the upstream link mismatch message
     pub fn render_upstream_oauth2_link_mismatch(WithLanguage<WithCsrf<WithSession<UpstreamExistingLinkContext>>>) { "pages/upstream_oauth2/link_mismatch.html" }