Move to Tera templating engine for better customizability

.gitignore

@@ -1,6 +1,6 @@
-/target
-uberbot_*.toml
-uberbot.toml
-/Cargo.lock
-.idea
-*.db3
+/target
+uberbot_*.toml
+uberbot.toml
+/Cargo.lock
+.idea
+*.db3

Cargo.toml

@@ -27,7 +27,7 @@ rusqlite = { version = "0.26", features = ["bundled"] }
 warp = "0.3"
 futures-util = "0.3"
 irc = { version = "0.15", default-features = false }
-handlebars = "4.2"
+tera = { version = "1.15", default-features = false }
 
 [features]
 tls = ["irc/tls-rust"]

src/database.rs

@@ -136,11 +136,6 @@ impl ExecutorConnection {
         Option<Quote>,
         author: Option<String>
     );
-    executor_wrapper!(
-        search,
-        Task::Search,
-        Option<Vec<Quote>>,
-        query: String
-    );
+    executor_wrapper!(search, Task::Search, Option<Vec<Quote>>, query: String);
     executor_wrapper!(random20, Task::Random20, Option<Vec<Quote>>);
 }

src/web_service.rs

@@ -1,6 +1,5 @@
 use crate::database::Quote;
 use crate::ExecutorConnection;
-use handlebars::Handlebars;
 use irc::client::Client;
 use lazy_static::lazy_static;
 use reqwest::StatusCode;
@@ -8,16 +7,12 @@ use serde::{Deserialize, Serialize};
 use serde_json::Value::Null;
 use std::net::SocketAddr;
 use std::sync::Arc;
+use tera::{Context, Tera};
 use tokio::sync::broadcast::Receiver;
 use warp::{reply, Filter, Reply};
 
 lazy_static! {
-    static ref HANDLEBARS: Handlebars<'static> = {
-        let mut reg = Handlebars::new();
-        reg.register_template_string("quotes", include_str!("res/quote_tmpl.hbs"))
-            .unwrap();
-        reg
-    };
+    static ref TERA: Tera = Tera::new("templates/**/*").unwrap();
 }
 
 pub async fn run(
@@ -58,7 +53,7 @@ struct QuotesTemplate {
 
 #[derive(Deserialize)]
 struct QuotesQuery {
-    q: Option<String>
+    q: Option<String>,
 }
 
 async fn handle_get_quote(query: QuotesQuery, db: ExecutorConnection) -> impl Reply {
@@ -84,7 +79,7 @@ async fn handle_get_quote(query: QuotesQuery, db: ExecutorConnection) -> impl Re
             flash: Some("Displaying up to 20 random quotes".into()),
         }
     };
-    match HANDLEBARS.render("quotes", &template) {
+    match TERA.render("quotes.html", &Context::from_serialize(&template).unwrap()) {
         Ok(o) => reply::html(o).into_response(),
         Err(e) => {
             tracing::warn!("Error while rendering template: {}", e);

templates/quotes.html

@@ -23,10 +23,10 @@
         </label>
         <button type="submit">Search</button>
     </form>
-    {{#if flash}}
-        <p>{{flash}}</p>
-    {{/if}}
-    {{#if quotes}}
+    {% if flash %}
+        <p>{{ flash }}</p>
+    {% endif %}
+    {% if quotes %}
         <table>
             <thead>
             <tr>
@@ -35,15 +35,15 @@
             </tr>
             </thead>
             <tbody>
-            {{#each quotes}}
+            {% for q in quotes %}
                 <tr>
-                    <td>{{author}}</td>
-                    <td>{{quote}}</td>
+                    <td>{{ q.author }}</td>
+                    <td>{{ q.quote }}</td>
                 </tr>
-            {{/each}}
+            {% endfor %}
             </tbody>
         </table>
-    {{/if}}
+    {% endif %}
 </main>
 </body>
 </html>