update templates to inherit themselves instead of manually doing it

site/templates/basic-link-list.tera

@@ -1,3 +1,5 @@
+{% extends "base.tera" %}
+{% block content %}
 <h1>{{ title }}</h1>
 <div class="link-list">
 	<ul>
@@ -6,3 +8,4 @@
 		{% endfor %}
 	</ul>
 </div>
+{% endblock content %}

site/templates/blog-list.tera

@@ -1,3 +1,5 @@
+{% extends "base.tera" %}
+{% block content %}
 {% if tag %}
 <h1>blog posts tagged {{tag}}</h1>
 <p><a href="/blog/">View all blog posts</a></p>
@@ -22,3 +24,4 @@
 	</div>
 	{% endfor %}
 </div>
+{% endblock content %}

site/templates/blog-post.tera

@@ -1,3 +1,5 @@
+{% extends "base.tera" %}
+{% block content %}
 <div class="blog-post">
 	<h1 class="title">{{title}}</h1>
 	<span class="timestamp">published {{timestamp}}</span>
@@ -20,3 +22,4 @@
 		{% endfor %}
 	</div>
 </div>
+{% endblock content %}

src/builder.rs

@@ -246,16 +246,8 @@ impl SiteBuilder {
 		Ok(String::from_utf8(output)?)
 	}
 
-	pub fn build_page_raw(
-		&self,
-		page_metadata: PageMetadata,
-		page_html: &str,
-	) -> eyre::Result<String> {
-		self.build_page_raw_with_extra_data(page_metadata, page_html, ())
-	}
-
 	/// Helper to build a page without writing it to disk.
-	pub fn build_page_raw_with_extra_data<T>(
+	pub fn build_page_raw<T>(
 		&self,
 		mut page_metadata: PageMetadata,
 		page_html: &str,
@@ -318,7 +310,7 @@ impl SiteBuilder {
 		let mut page_html = String::new();
 		pulldown_cmark::html::push_html(&mut page_html, parser);
 
-		let out = self.build_page_raw(page.data.unwrap_or_default(), &page_html)?;
+		let out = self.build_page_raw(page.data.unwrap_or_default(), &page_html, ())?;
 
 		let out_path = self.build_path.join(page_name).with_extension("html");
 		std::fs::create_dir_all(out_path.parent().unwrap())

src/link_list.rs

@@ -29,18 +29,15 @@ pub fn render_basic_link_list(
 	links: Vec<Link>,
 	title: &str,
 ) -> eyre::Result<String> {
-	let data = LinkTemplateData { links, title };
-	let out = builder
-		.tera
-		.render(template, &tera::Context::from_serialize(data)?)?;
-	let out = builder.build_page_raw(
+	builder.build_page_raw(
 		PageMetadata {
+			template: Some(template.to_owned()),
 			title: Some(title.to_owned()),
 			..Default::default()
 		},
-		&out,
-	)?;
-	Ok(out)
+		"",
+		LinkTemplateData { links, title },
+	)
 }
 
 /// Template data for a list of links.

src/resource.rs

@@ -128,11 +128,6 @@ struct ResourceListTemplateData<'r> {
 	next: Option<usize>,
 }
 
-#[derive(Debug, Serialize)]
-struct ExtraResourceRenderData {
-	head: String,
-}
-
 /// Config for the resource builder.
 #[derive(Debug, Clone, Default, Deserialize)]
 pub struct ResourceBuilderConfig {
@@ -254,26 +249,12 @@ impl ResourceBuilder {
 		resource: &ResourceMetadata,
 	) -> eyre::Result<()> {
 		let out_path = self.build_path(&builder.build_path, &id);
-		let out = {
-			let data = ResourceTemplateData {
-				resource,
-				id,
-				timestamp: resource.timestamp,
-			};
-			builder.tera.render(
-				&self.config.resource_template,
-				&tera::Context::from_serialize(data)?,
-			)?
-		};
 
-		let out = builder.build_page_raw_with_extra_data(
+		let out = builder.build_page_raw(
 			PageMetadata {
+				template: Some(self.config.resource_template.clone()),
 				title: Some(resource.title.clone()),
-				..Default::default()
-			},
-			&out,
-			ExtraResourceRenderData {
-				head: EmbedMetadata {
+				embed: Some(EmbedMetadata {
 					title: resource.title.clone(),
 					site_name: builder.site.config.title.clone(),
 					description: resource.desc.clone(),
@@ -285,8 +266,14 @@ impl ResourceBuilder {
 					url: None,
 					theme_color: EmbedMetadata::default_theme_color(),
 					large_image: true,
-				}
-				.build(),
+				}),
+				..Default::default()
+			},
+			"",
+			ResourceTemplateData {
+				resource,
+				id,
+				timestamp: resource.timestamp,
 			},
 		)?;
 		std::fs::write(out_path, out)?;
@@ -338,24 +325,21 @@ impl ResourceBuilder {
 			let mut next;
 			for (page, iter) in list.iter().chunks(items_per_page).into_iter().enumerate() {
 				next = (page + 1 != page_max).then_some(page + 2);
-				let data = ResourceListTemplateData {
+				let out = builder.build_page_raw(
+					PageMetadata {
+						template: Some(config.resource_list_template.clone()),
+						title: Some(title.to_owned()),
+						..Default::default()
+					},
+					"",
+					ResourceListTemplateData {
 						resources: iter.copied().collect(),
 						tag,
 						page: page + 1,
 						page_max,
 						previous,
 						next,
-				};
-				let out = builder.tera.render(
-					&config.resource_list_template,
-					&tera::Context::from_serialize(data)?,
-				)?;
-				let out = builder.build_page_raw(
-					PageMetadata {
-						title: Some(title.to_owned()),
-						..Default::default()
 					},
-					&out,
 				)?;
 				if page == 0 {
 					std::fs::write(out_path.join("index.html"), &out)?;