1 files changed, 87 insertions, 0 deletions
diff --git a/src/page.rs b/src/page.rs
new file mode 100644
index 0000000..c81887d
--- /dev/null
+++ b/src/page.rs
@@ -0,0 +1,87 @@
+use serde::Deserialize;
+use chrono::NaiveDate;
+use std::path::PathBuf;
+use std::fs;
+
+#[derive(Deserialize, Debug)]
+pub struct Frontmatter {
+    pub title: String,
+    pub date: NaiveDate,
+    #[serde(default)]
+    pub draft: bool,
+}
+
+#[derive(Debug)]
+pub struct Page {
+    pub meta: Frontmatter,
+    pub source_path: PathBuf,
+    pub output_path: PathBuf,
+    pub body: String,
+    pub html: String,
+}
+
+pub fn parse_frontmatter(content: &str) -> Option<Frontmatter> {
+    if !content.starts_with("+++\n") {
+        return None;
+    }
+    let rest = &content[4..];
+    let end = rest.find("\n+++\n")?;
+
+    let toml_str = &rest[..end];
+    let meta: Frontmatter = toml::from_str(toml_str)
+        .expect("frontmatter failed parsed");
+    Some(meta)
+} 
+
+pub fn parse_page(source_path: &PathBuf) -> anyhow::Result<Page> {
+    let content = fs::read_to_string(source_path)?;
+    let maybe_meta = parse_frontmatter(&content);
+    let meta: Frontmatter;
+    let body: String;
+
+    if let Some(fm) = maybe_meta {
+        let end_post = content.find("\n+++\n").unwrap();
+        println!("end_post: {}", end_post);
+        meta = fm;
+        body = content[(end_post + 5)..].to_string();
+    } else {
+        let fallback_title = source_path
+            .file_stem()
+            .and_then(|s| s.to_str())
+            .unwrap_or("untitled")
+            .to_string();
+
+        meta = Frontmatter {
+            title: fallback_title,
+            date: chrono::Utc::now().date_naive(),
+            draft: true,
+        };
+        body = content;
+    }
+
+    let html = render_markdown(&body);
+
+    let slug = meta.title.to_lowercase().replace(' ', "-");
+    let output_path = PathBuf::from("public").join(&slug).join("index.html");
+
+    Ok (Page {
+        meta,
+        source_path: source_path.clone(),
+        output_path,
+        body,
+        html,
+    })
+}
+
+pub fn render_markdown(input: &str) -> String {
+    use pulldown_cmark::{Parser, Options, html};
+
+    let mut options = Options::empty();
+    options.insert(Options::ENABLE_STRIKETHROUGH);
+    options.insert(Options::ENABLE_TABLES);
+
+    let parser = Parser::new_ext(input, options);
+    let mut out = String::new();
+    html::push_html(&mut out, parser);
+    out
+}