internal: use gz to compress historical json data

.github/workflows/jobs.yml

@@ -54,9 +54,9 @@ jobs:
         run: |
           git config --local user.name "github-actions[bot]"
           git config --local user.email "github-actions[bot]@users.noreply.github.com"
-          git add ./webapp/public/data.jsonl
+          git add ./webapp/public/*.gz
           git add ./repos.txt
-          git commit -m "Update data.jsonl" || echo "No changes to commit"
+          git commit -m "Update data" || echo "No changes to commit"
 
       - name: Push changes
         run: git push
@@ -77,7 +77,7 @@ jobs:
         run: |
           pnpm run build
           sed -i '' 's|="/assets|="/moon-build-dashboard/assets|g' ./dist/index.html
-          sed -i '' 's|"/data.jsonl"|"/moon-build-dashboard/data.jsonl"|g' ./dist/assets/*.js
+          sed -i '' 's|"/latest_data.jsonl.gz"|"/moon-build-dashboard/latest_data.jsonl.gz"|g' ./dist/assets/*.js
         working-directory: ./webapp
 
       - name: Deploy to GitHub Pages

src/main.rs

@@ -437,25 +437,22 @@ fn main0() -> anyhow::Result<()> {
     };
     match res {
         Ok(dashboard) => {
-            let fp = std::fs::OpenOptions::new()
-                .create(true)
-                .append(true)
-                .open("webapp/public/data.jsonl")?;
-            let mut writer = std::io::BufWriter::new(fp);
-            writeln!(writer, "{}", serde_json::to_string(&dashboard)?)?;
-            writer.flush()?;
+            let date = Local::now().format("%Y-%m-%d");
+            let filename = format!("webapp/public/{}_data.jsonl.gz", date);
 
             let fp = std::fs::OpenOptions::new()
                 .create(true)
                 .write(true)
-                .truncate(true) // make sure to truncate the file
-                .open("webapp/public/latest_data.jsonl.gz")?;
-
-            // create a gzip encoder
+                .truncate(true)
+                .open(&filename)?;
             let encoder = GzEncoder::new(fp, Compression::default());
             let mut writer = std::io::BufWriter::new(encoder);
             writeln!(writer, "{}", serde_json::to_string(&dashboard)?)?;
             writer.flush()?;
+
+            let latest_filename = "webapp/public/latest_data.jsonl.gz";
+            std::fs::copy(&filename, latest_filename)?;
+
             Ok(())
         }
         Err(e) => Err(anyhow::anyhow!(e)),
@@ -465,3 +462,10 @@ fn main0() -> anyhow::Result<()> {
 fn main() -> anyhow::Result<()> {
     main0()
 }
+
+#[test]
+fn test_main() {
+    use chrono::Local;
+    let date = Local::now().format("%Y-%m-%d");
+    println!("{}", date);
+}