Add tag search.

src/main.rs

@@ -82,6 +82,17 @@ async fn page<'r>(
                             })
                             .render()))
                     }
+
+                    if key == "tag" {
+                        return PageResponder::Page(RawHtml(renderer.template("search.html")
+                            .with_historian(&historian)
+                            .with_page(&page)
+                            .insert("results", &Searcher::new(&historian).tag_search(&page, value))
+                            .insert("options", &toml! {
+                                dynamic = true
+                            })
+                            .render()))
+                    }
                 }
             }
 
@@ -208,6 +219,10 @@ struct Args {
     #[arg(long)]
     search: Option<String>,
 
+    /// Search the wiki by tag
+    #[arg(long)]
+    tag: Option<String>,
+
     /// Search root
     #[arg(long)]
     search_root: Option<String>
@@ -276,6 +291,16 @@ async fn main() {
             return;
         }
 
+        if let Some(tag) = args.tag {
+            let searcher = Searcher::new(&historian);
+            let search_root = args.search_root.as_deref().unwrap_or("");
+            let page = historian.resolve_to_page(&search_root).expect("failed to find page");
+            for result in searcher.tag_search(&page, &tag) {
+                print_result(&result);
+            }
+            return;
+        }
+
         rocket::build()
             .manage(historian)
             .manage(renderer)