Improve the error handling

[rbdr/blog] / src / generator / rss.rs

diff --git a/src/generator/rss.rs b/src/generator/rss.rs
index dab7e508f1495476ee0defa13686f0771eee5dbd..6a13bb8486aa0da11b5ef1b49cd5799137db4b2b 100644 (file)
--- a/src/generator/rss.rs
+++ b/src/generator/rss.rs
@@ -1,7 +1,20 @@
-use std::io::Result;
+use std::fs::write;
+use std::io::{Error, ErrorKind::Other, Result};
 use std::path::PathBuf;
-use crate::post::Post;
+use crate::template::{find, parse, TemplateContext};
 
-pub fn generate(_: &PathBuf, _: &PathBuf, _: &PathBuf, _: &Vec<Post>) -> Result<()> {
+const FILENAME: &str = "feed.xml";
+
+pub fn generate(_: &PathBuf, template_directory: &PathBuf, target: &PathBuf, context: &TemplateContext) -> Result<()> {
+    match find(template_directory, FILENAME) {
+        Some(template) => {
+            let parsed_template = parse(&template)
+                .ok_or_else(|| Error::new(Other, "Unable to parse RSS template"))?;
+            let rendered_template = parsed_template.render(context)?;
+            let location = target.join(FILENAME);
+            write(location, rendered_template)?;
+        },
+        None => {}
+    }
     Ok(())
 }