Delete guilds that no longer exist

src/main.rs

@@ -42,25 +42,34 @@ fn main() {
 	if let Ok(guild_list) = wynncraft::guild_list() {
 		let conn = establish_connection();
 
+		let mut guilds = vec![];
+
 		guild_list.into_iter().for_each(|name| {
 			thread::sleep_ms(2500);
 			println!("Getting {:?}", name);
 			if let Ok(Some(prefix)) = wynncraft::guild(&name).map(|x| x.map(|x| x.prefix)) {
 				let guild = Guild { prefix: prefix.trim().to_owned(), name };
-				if let Ok(_) = diesel::insert_into(guilds::table)
+				guilds.push(guild);
-					.values(&guild)
-					.on_conflict(guilds::prefix)
-					.do_nothing()
-					.execute(&conn) {
 				let _ = reqwest::get("https://wynnapi.herokuapp.com/").unwrap();
 			} else {
 				println!("Fail!");
 			}
-			} else {
-				println!("Fail!");
-			}
 		});
 	
+		if let Err(e) = diesel::delete(guilds::table).execute(&conn) {
+			println!("Mysterious error from DB: {:?}", e);
+		}
+		println!("Inserting guilds...");
+		for guild in &guilds {
+			if let Err(e) = diesel::insert_into(guilds::table)
+				.values(guild)
+				.on_conflict(guilds::prefix)
+				.do_nothing()
+				.execute(&conn) {
+				println!("Mysterious error from DB: {:?}", e);
+			}
+		}
+
 		println!("Guilds updated!");
 	}