chore(notifications): refactor email formatter

core/notifications/src/messages/email_formatter.rs

@@ -0,0 +1,48 @@
+use handlebars::Handlebars;
+use serde_json::json;
+
+pub struct EmailFomatter<'a> {
+    handlebars: Handlebars<'a>,
+}
+
+impl EmailFomatter<'_> {
+    pub fn new() -> Self {
+        let mut handlebars = Handlebars::new();
+        // add error handling
+        handlebars
+            .register_template_file("identification", "./templates/identification.hbs")
+            .expect("Template should be present");
+        handlebars
+            .register_template_file("base", "./templates/layouts/base.hbs")
+            .expect("Template should be present");
+        handlebars
+            .register_template_file("styles", "./templates/partials/styles.hbs")
+            .expect("Template should be present");
+
+        // add error handling
+        EmailFomatter { handlebars }
+    }
+
+    pub fn generic_email_template(&self, subject: &str, body: &str) -> String {
+        let data = json!({
+            "subject": subject,
+            "body": body,
+        });
+        self.handlebars
+            .render("identification", &data)
+            .expect("Template should be present")
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_generic_email_template() {
+        let email_formatter = EmailFomatter::new();
+        let title = "title";
+        let body = "body";
+        email_formatter.generic_email_template(title, body);
+    }
+}

core/notifications/src/messages/mod.rs

@@ -1,8 +1,10 @@
-use handlebars::Handlebars;
 use rust_i18n::t;
 
 use crate::{notification_event::*, primitives::*};
 
+mod email_formatter;
+use email_formatter::EmailFomatter;
+
 pub struct LocalizedPushMessage {
     pub title: String,
     pub body: String,
@@ -155,27 +157,12 @@ impl EmailMessages {
         locale: &str,
         _event: &IdentityVerificationApproved,
     ) -> Option<LocalizedEmail> {
-        let mut handlebars = Handlebars::new();
-        // add error handling
-        handlebars
-            .register_template_file("identification", "./templates/identification.hbs")
-            .ok()?;
-        handlebars
-            .register_template_file("base", "./templates/layouts/base.hbs")
-            .ok()?;
-        handlebars
-            .register_template_file("styles", "./templates/partials/styles.hbs")
-            .ok()?;
+        let email_formatter = EmailFomatter::new();
 
         let title = t!("identity_verification_approved.title", locale = locale).to_string();
         let body = t!("identity_verification_approved.body", locale = locale).to_string();
-        let data = serde_json::json!({
-            "subject": &title,
-            "body": &body
-        });
 
-        // add error handling
-        let body = handlebars.render("identification", &data).ok()?;
+        let body = email_formatter.generic_email_template(&title, &body);
 
         Some(LocalizedEmail {
             subject: title,