add google?

src/main.rs

@@ -24,7 +24,52 @@ struct Query {
 }
 
 async fn google(client: &Client, search: &str) -> Vec<SearchResult> {
-    todo!()
+    let mut headers = HeaderMap::new();
+    headers.insert("content-type", "application/x-www-form-urlencoded".parse().unwrap());
+    headers.insert("Accept-Language", "en-US,en;q=0.9".parse().unwrap());
+    headers.insert("Referer", "https://google.com/".parse().unwrap());
+
+    let request = client
+        .request(Method::GET, "https://google.com/search")
+        .headers(headers)
+        .query(&[("q", search)])
+        .build()
+        .unwrap();
+    let dom = client.execute(request)
+        .await
+        .unwrap()
+        .text()
+        .await
+        .unwrap();
+        
+    #[cfg(debug_assertions)]
+    fs::write("google-debug.html", &dom).unwrap();
+
+    let html = Html::parse_document(&dom);
+    let search_result = Selector::parse("#search > #rso > div").unwrap();
+
+    let mut buf = Vec::new();
+
+    for result in html.select(&search_result) {
+        let title_selector = Selector::parse("h3").unwrap();
+        let title = result.select(&title_selector).next().expect("Failed to get title");
+
+        let preview_selector = Selector::parse("span").unwrap();
+        let preview = result.select(&preview_selector).next().expect("Failed to get title");
+
+        let a = title.attr("href").unwrap().to_string();
+        let title = title.inner_html();
+        let desc = preview.inner_html();
+
+        let sr = SearchResult {
+            a,
+            title,
+            desc
+        };
+        buf.push(sr);
+    }
+
+    buf
 }
 
 async fn ddg(client: &Client, search: &str) -> Vec<SearchResult> {
@@ -47,6 +92,7 @@ async fn ddg(client: &Client, search: &str) -> Vec<SearchResult> {
         .await
         .unwrap();
         
+    #[cfg(debug_assertions)]
     fs::write("ddg-debug.html", &ddg_dom).unwrap();
 
     let html = Html::parse_document(&ddg_dom);
@@ -94,6 +140,7 @@ async fn search(input: Form<Query>) -> Template {
 
     Template::render("results", context! {
         ddg: ddg(&client, clean).await,
+        google: google(&client, clean).await,
         last_search: clean
     })
 }