add cargo

src/template.rs

@@ -0,0 +1,35 @@
+use anyhow::Result;
+use tera::{Tera, Context};
+use std::path::PathBuf;
+use crate::config::Config;
+use crate::generator::Post;
+
+pub struct TemplateEngine {
+    tera: Tera,
+}
+
+impl TemplateEngine {
+    pub fn new(template_dir: PathBuf) -> Result<Self> {
+        let pattern = format!("{}/**/*.html", template_dir.display());
+        let tera = Tera::new(&pattern)?;
+        
+        Ok(Self { tera })
+    }
+
+    pub fn create_context(&self, config: &Config, posts: &[Post]) -> Result<Context> {
+        let mut context = Context::new();
+        context.insert("config", &config.site);
+        context.insert("posts", posts);
+        Ok(context)
+    }
+
+    pub fn render(&self, template: &str, context: &Context) -> Result<String> {
+        let output = self.tera.render(template, context)?;
+        Ok(output)
+    }
+
+    pub fn render_with_context(&self, template: &str, context: &Context) -> Result<String> {
+        let output = self.tera.render(template, context)?;
+        Ok(output)
+    }
+}