Rewrite from TypeScript to Rust

src/missing.rs

@@ -0,0 +1,26 @@
+use itertools::Itertools;
+
+use crate::{
+    manifest::{Manifest, ManifestOverride},
+    wiki::WikiCache,
+    REPO,
+};
+
+pub fn save_missing_games(wiki_cache: &WikiCache, manifest: &Manifest, overrides: &ManifestOverride) {
+    let lines: Vec<String> = wiki_cache
+        .0
+        .iter()
+        .sorted_by(|(k1, _), (k2, _)| k1.to_lowercase().cmp(&k2.to_lowercase()))
+        .filter(|(k, _)| {
+            manifest
+                .0
+                .get(*k)
+                .map(|x| x.files.is_empty() && x.registry.is_empty())
+                .unwrap_or(true)
+        })
+        .filter(|(k, _)| overrides.0.get(*k).map(|x| !x.omit).unwrap_or(true))
+        .map(|(k, v)| format!("* [{}](https://www.pcgamingwiki.com/wiki/?curid={})", k, v.page_id))
+        .collect();
+
+    _ = std::fs::write(format!("{}/data/missing.md", REPO), lines.join("\n") + "\n");
+}