fix: improve RSS feed error handling and debugging

- Add comprehensive error handling for RSS feed fetching
- Log detailed error messages and feed content preview
- Handle empty feeds gracefully instead of panicking
- Exit early if no entries found instead of continuing with empty list

ghost-upload/src/main.rs

@@ -228,10 +228,47 @@ async fn get_existing_post_id(slug: &str, token: &str) -> Option<String> {
 }
 
 async fn fetch_feed(url: &str) -> Vec<Entry> {
-    let content = reqwest::get(url).await.unwrap().text().await.unwrap();
+    println!("Fetching RSS feed from: {}", url);
     
-    let feed = parser::parse(content.as_bytes()).unwrap();
+    let response = reqwest::get(url).await;
+    let response = match response {
+        Ok(resp) => resp,
+        Err(e) => {
+            println!("Failed to fetch RSS feed: {}", e);
+            return vec![];
+        }
+    };
     
+    if !response.status().is_success() {
+        println!("RSS feed request failed with status: {}", response.status());
+        return vec![];
+    }
+    
+    let content = match response.text().await {
+        Ok(text) => text,
+        Err(e) => {
+            println!("Failed to read RSS feed content: {}", e);
+            return vec![];
+        }
+    };
+    
+    if content.trim().is_empty() {
+        println!("RSS feed content is empty");
+        return vec![];
+    }
+    
+    println!("RSS feed content preview: {}", &content[..content.len().min(200)]);
+    
+    let feed = match parser::parse(content.as_bytes()) {
+        Ok(f) => f,
+        Err(e) => {
+            println!("Failed to parse RSS feed: {:?}", e);
+            println!("Feed content starts with: {}", &content[..content.len().min(500)]);
+            return vec![];
+        }
+    };
+
+    println!("Successfully parsed RSS feed with {} entries", feed.entries.len());
     feed.entries
 }
 
@@ -329,6 +366,13 @@ async fn main() {
     // Prepare the post data
     let entries = fetch_feed(feed).await;
     
+    if entries.is_empty() {
+        println!("No entries found in RSS feed or feed parsing failed. Exiting.");
+        return;
+    }
+    
+    println!("Processing {} entries from RSS feed", entries.len());
+
     let post_exists_futures = entries.into_iter().map(|entry| {
         let entry_clone = entry.clone();
         let token_clone = token.clone();