Creating a SiteRenderer struct to handle the logic for invoking dust.

src/command/build/render.rs

@@ -0,0 +1,21 @@
+use std::path::PathBuf;
+
+use crate::blog_post::convert_blog_post_to_render_context;
+use crate::blog_post::BlogPost;
+use crate::error::CustomError;
+
+pub(crate) struct SiteRenderer {
+    pub(crate) output_directory: PathBuf,
+    pub(crate) blog_posts: Vec<BlogPost>,
+}
+
+impl SiteRenderer {
+    pub(crate) async fn render_blog_posts(&self) -> Result<(), CustomError> {
+        for blog_post in &self.blog_posts {
+            let render_context = convert_blog_post_to_render_context(blog_post);
+            println!("{}", serde_json::to_string(&render_context)?);
+        }
+
+        Ok(())
+    }
+}