From ddbb60cd48d94aa65e67572b9596a5fccf7b59b1 Mon Sep 17 00:00:00 2001
From: syui <syui@syui.ai>
Date: Sun, 22 Mar 2026 09:50:41 +0900
Subject: [PATCH] fix cmd

---
 src/commands/index.rs | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/src/commands/index.rs b/src/commands/index.rs
index 419b57e..11b0ba2 100644
--- a/src/commands/index.rs
+++ b/src/commands/index.rs
@@ -2,6 +2,7 @@ use anyhow::Result;
 use std::collections::HashMap;
 use std::fs;
 use std::path::Path;
+use serde_json;
 
 /// Rebuild index.json files for all collections in content directory
 pub fn run(content_dir: &Path) -> Result<()> {
@@ -46,7 +47,7 @@ pub fn run(content_dir: &Path) -> Result<()> {
 
             // Collect all rkeys from .json files (excluding special files)
             let mut rkeys: Vec<String> = Vec::new();
-            let mut rkey_times: HashMap<String, std::time::SystemTime> = HashMap::new();
+            let mut rkey_dates: HashMap<String, String> = HashMap::new();
 
             for file_entry in fs::read_dir(&col_path)? {
                 let file_entry = file_entry?;
@@ -71,10 +72,15 @@ pub fn run(content_dir: &Path) -> Result<()> {
                 // Extract rkey from filename
                 let rkey = filename.trim_end_matches(".json").to_string();
 
-                // Get file modification time for sorting
-                if let Ok(metadata) = file_entry.metadata() {
-                    if let Ok(modified) = metadata.modified() {
-                        rkey_times.insert(rkey.clone(), modified);
+                // Read publishedAt from JSON for chronological sorting
+                if let Ok(content) = fs::read_to_string(&file_path) {
+                    if let Ok(json) = serde_json::from_str::<serde_json::Value>(&content) {
+                        if let Some(date) = json.pointer("/value/publishedAt")
+                            .or_else(|| json.get("publishedAt"))
+                            .and_then(|v| v.as_str())
+                        {
+                            rkey_dates.insert(rkey.clone(), date.to_string());
+                        }
                     }
                 }
 
@@ -85,11 +91,13 @@ pub fn run(content_dir: &Path) -> Result<()> {
                 continue;
             }
 
-            // Sort by modification time (oldest first) or alphabetically
+            // Sort by publishedAt (oldest first), fallback to rkey string comparison
             rkeys.sort_by(|a, b| {
-                match (rkey_times.get(a), rkey_times.get(b)) {
-                    (Some(ta), Some(tb)) => ta.cmp(tb),
-                    _ => a.cmp(b),
+                match (rkey_dates.get(a), rkey_dates.get(b)) {
+                    (Some(da), Some(db)) => da.cmp(db),
+                    (Some(_), None) => std::cmp::Ordering::Less,
+                    (None, Some(_)) => std::cmp::Ordering::Greater,
+                    (None, None) => a.cmp(b),
                 }
             });