added feed generation

src/main.rs

@@ -8,6 +8,8 @@ use chrono;
 use chrono::NaiveDate;
 use markdown;
 use std::fs::OpenOptions;
+use rss::{Channel, ChannelBuilder, Item, ItemBuilder, Guid};
+use percent_encoding::{utf8_percent_encode, DEFAULT_ENCODE_SET};
 
 #[derive(Debug)]
 struct Bread {
@@ -94,28 +96,61 @@ fn main() {
 
     let mut thumbs = String::new();
 
+    let mut channel : Channel = ChannelBuilder::default()
+        .title("Piggo's Bread Gallery")
+        .link("https://www.ondrovo.com/bread")
+        .description("Sourdough feed")
+        .build()
+        .unwrap();
+
+    let mut channel_items = Vec::<Item>::new();
+
     for bread in &breads {
         let date = bread.date.format("%Y/%m/%d").to_string();
         let detail_file = bread.date.format("%Y-%m-%d.html").to_string();
 
         let (img_path, img_alt) = bread.thumb_photo();
+        let note = if bread.note.is_empty() { "<i>There's no note about this bread.</i>" } else { &bread.note };
 
-        let thumb = thumb_tpl
-            .replace("{detail_url}", &detail_file)
-            .replace("{img_src}", &img_path)
-            .replace("{img_alt}", &img_alt)
-            .replace("{title}", &date);
+        let image_path_encoded = utf8_percent_encode(img_path, DEFAULT_ENCODE_SET).to_string();
 
-        thumbs.push_str(&thumb);
+        // bread pic for the thumbnails page
+        {
+            let thumb = thumb_tpl
+                .replace("{detail_url}", &detail_file)
+                .replace("{img_src}", &image_path_encoded)
+                .replace("{img_alt}", &img_alt)
+                .replace("{title}", &date);
 
+            thumbs.push_str(&thumb);
+        }
+
+        // add to rss
+        {
+            let image_url : String = channel.link().to_string() + "/" + &image_path_encoded;
+
+            let link : String = channel.link().to_string() + "/" + &detail_file;
+            let mut guid = Guid::default();
+            guid.set_value(link.clone());
+            guid.set_permalink(true);
+
+            channel_items.push(ItemBuilder::default()
+                .title(date.clone())
+                .link(link.clone())
+                .description(note.to_string() + &format!("<img src=\"{}\" alt=\"{}\"><p>Open the link for more...</p>", image_url, img_alt))
+                .guid(guid)
+                .build().unwrap());
+        }
+
+        // generate the detail page
         {
             let detail = detail_tpl
                 .replace("{title}", &date)
-                .replace("{note}", if bread.note.is_empty() { "<i>There's no note about this bread.</i>" } else { &bread.note });
+                .replace("{note}", note);
 
             let mut pics = String::new();
             for img in &bread.images {
-                pics.push_str(&"<a href=\"{src}\"><img src=\"{src}\"><a/>".replace("{src}", img.to_str().unwrap()))
+                pics.push_str(&format!("<a href=\"{src}\"><img src=\"{src}\"><a/>", src=&utf8_percent_encode(img.to_str().unwrap(), DEFAULT_ENCODE_SET).to_string()))
             }
 
             let detail = detail.replace("{images}", &pics);
@@ -125,12 +160,16 @@ fn main() {
         }
     }
 
-    // TODO generate a RSS feed
-
     let main = main_tpl.replace("{breads}", &thumbs);
 
     {
         let mut f = OpenOptions::new().write(true).truncate(true).create(true).open(web_path.join("index.html")).unwrap();
         f.write(main.as_bytes()).unwrap();
     }
+
+    {
+        let f = OpenOptions::new().write(true).truncate(true).create(true).open(web_path.join("feed.xml")).unwrap();
+        channel.set_items(channel_items);
+        channel.pretty_write_to(f, b' ', 2).unwrap();
+    }
 }