Add guild list api

src/lib.rs

@@ -32,6 +32,17 @@ pub fn guild(name: &str) -> Result<Option<Guild>, Error> {
 	}
 }
 
+pub fn guild_list() -> Result<Vec<String>, Error> {
+	let resp = reqwest::get("https://api.wynncraft.com/public_api.php?action=guildList")?.text().unwrap();
+
+	if let Ok(error) = serde_json::from_str::<APIError>(&resp) {
+		bail!("API error ({})", error.error);
+	} else {
+		let list: GuildList = serde_json::from_str(&resp)?;
+		Ok(list.guilds)
+	}
+}
+
 pub fn guild_by_prefix(prefix: &str) -> Result<Option<GuildEntry>, Error> {
 	let top_100 = guild_leaderboard()?;
 
@@ -55,6 +66,11 @@ pub struct APIError {
 	pub error: String
 }
 
+#[derive(Deserialize)]
+pub struct GuildList {
+	pub guilds: Vec<String>
+}
+
 #[derive(Deserialize)]
 pub struct Top100Guilds {
 	pub data: Vec<GuildEntry>