shitfuck

markdown_backend/src/main.rs

@@ -1,3 +1,4 @@
+#[warn(unused_imports)]
 use clap::{Parser, Subcommand};
 mod markdown;
 use markdown::{get_all_posts, get_post_by_slug, get_posts_by_tag, watch_posts};
@@ -28,6 +29,8 @@ enum Commands {
     Watch,
     /// Show Rust parser statistics
     Rsparseinfo,
+    /// Check backend health
+    Checkhealth,
 }
 
 fn main() {
@@ -73,5 +76,9 @@ fn main() {
         Commands::Rsparseinfo => {
             println!("{}", markdown::rsparseinfo());
         }
+        Commands::Checkhealth => {
+            let health = markdown::checkhealth();
+            println!("{}", serde_json::to_string_pretty(&health).unwrap());
+        }
     }
 } 

markdown_backend/src/markdown.rs

@@ -8,7 +8,7 @@ BLAZINGLY FAST!
 
 */
 
-
+#[warn(unused_imports)]
 use std::fs;
 use std::path::{Path, PathBuf};
 use chrono::{DateTime, Utc};
@@ -29,6 +29,7 @@ use std::collections::HashMap;
 use std::sync::RwLock;
 use serde_json;
 use sysinfo::{System, Pid, RefreshKind, CpuRefreshKind, ProcessRefreshKind};
+use serde::Serialize;
 
 const POSTS_CACHE_PATH: &str = "./cache/posts_cache.json";
 const POST_STATS_PATH: &str = "./cache/post_stats.json";
@@ -68,6 +69,19 @@ static POST_CACHE: Lazy<RwLock<HashMap<String, Post>>> = Lazy::new(|| RwLock::ne
 static ALL_POSTS_CACHE: Lazy<RwLock<Option<Vec<Post>>>> = Lazy::new(|| RwLock::new(None));
 static POST_STATS: Lazy<RwLock<HashMap<String, PostStats>>> = Lazy::new(|| RwLock::new(HashMap::new()));
 
+#[derive(Debug, Serialize)]
+pub struct HealthReport {
+    pub posts_dir_exists: bool,
+    pub posts_count: usize,
+    pub cache_file_exists: bool,
+    pub cache_stats_file_exists: bool,
+    pub cache_readable: bool,
+    pub cache_stats_readable: bool,
+    pub cache_post_count: Option<usize>,
+    pub cache_stats_count: Option<usize>,
+    pub errors: Vec<String>,
+}
+
 fn get_posts_directory() -> PathBuf {
     let candidates = [
         "./posts",
@@ -439,4 +453,66 @@ pub fn save_post_cache_to_disk() {
         let _ = fs::create_dir_all("./cache");
         let _ = fs::write(POST_STATS_PATH, map);
     }
+}
+
+pub fn checkhealth() -> HealthReport {
+    let mut errors = Vec::new();
+    let posts_dir = get_posts_directory();
+    let posts_dir_exists = posts_dir.exists() && posts_dir.is_dir();
+    let mut posts_count = 0;
+    if posts_dir_exists {
+        match std::fs::read_dir(&posts_dir) {
+            Ok(entries) => {
+                posts_count = entries.filter_map(|e| e.ok())
+                    .filter(|e| e.path().extension().map(|ext| ext == "md").unwrap_or(false))
+                    .count();
+            },
+            Err(e) => errors.push(format!("Failed to read posts dir: {}", e)),
+        }
+    } else {
+        errors.push("Posts directory does not exist".to_string());
+    }
+    let cache_file_exists = Path::new(POSTS_CACHE_PATH).exists();
+    let cache_stats_file_exists = Path::new(POST_STATS_PATH).exists();
+    let (mut cache_readable, mut cache_post_count) = (false, None);
+    if cache_file_exists {
+        match std::fs::read_to_string(POSTS_CACHE_PATH) {
+            Ok(data) => {
+                match serde_json::from_str::<HashMap<String, Post>>(&data) {
+                    Ok(map) => {
+                        cache_readable = true;
+                        cache_post_count = Some(map.len());
+                    },
+                    Err(e) => errors.push(format!("Cache file not valid JSON: {}", e)),
+                }
+            },
+            Err(e) => errors.push(format!("Failed to read cache file: {}", e)),
+        }
+    }
+    let (mut cache_stats_readable, mut cache_stats_count) = (false, None);
+    if cache_stats_file_exists {
+        match std::fs::read_to_string(POST_STATS_PATH) {
+            Ok(data) => {
+                match serde_json::from_str::<HashMap<String, PostStats>>(&data) {
+                    Ok(map) => {
+                        cache_stats_readable = true;
+                        cache_stats_count = Some(map.len());
+                    },
+                    Err(e) => errors.push(format!("Cache stats file not valid JSON: {}", e)),
+                }
+            },
+            Err(e) => errors.push(format!("Failed to read cache stats file: {}", e)),
+        }
+    }
+    HealthReport {
+        posts_dir_exists,
+        posts_count,
+        cache_file_exists,
+        cache_stats_file_exists,
+        cache_readable,
+        cache_stats_readable,
+        cache_post_count,
+        cache_stats_count,
+        errors,
+    }
 }