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#[macro_use] extern crate serde_derive; extern crate hyper; extern crate serde_json; pub mod dota; use dota::*; use hyper::status::StatusCode; use hyper::Client; use std::io::Read; macro_rules! language { () => { pub fn language(&mut self, param_value: &str) -> &mut Self { self.url.push_str(&*format!("language={}&", param_value)); self } }; } macro_rules! set { ($func: ident, $builder: ident, $build: ident) => { pub fn $func(&mut self) -> &mut $build { self.$builder = $build::build(&*self.key); &mut self.$builder } }; } macro_rules! get { ($func: ident, $return_type: ident, $builder: ident, $result: ident) => { pub fn $func(&mut self) -> Result<$return_type, Error> { let response = self.get(&*self.$builder.url.clone())?; let data_result: $result = serde_json::from_str(response.as_str())?; let data = data_result.result; Ok(data) } }; } macro_rules! builder { ($builder: ident, $url: expr) => { #[derive(Debug, Default)] pub struct $builder { url: String, } impl $builder { fn build(key: &str) -> Self { Self { url: format!($url, key), } } language!(); } }; } #[derive(Debug)] pub enum Error { Http(hyper::Error), Json(serde_json::Error), Forbidden(&'static str), Message(String), } impl From<hyper::Error> for Error { fn from(e: hyper::Error) -> Error { Error::Http(e) } } impl From<serde_json::Error> for Error { fn from(e: serde_json::Error) -> Error { Error::Json(e) } } #[derive(Debug, Default)] pub struct Dota2Api { http_client: Client, pub key: String, get_heroes_builder: GetHeroesBuilder, get_game_items_builder: GetGameItemsBuilder, get_rarities_builder: GetRaritiesBuilder, get_tournament_prize_pool_builder: GetTournamentPrizePoolBuilder, } impl Dota2Api { pub fn new(key: String) -> Self { Dota2Api { http_client: Client::new(), key, ..Default::default() } } set!(set_heroes, get_heroes_builder, GetHeroesBuilder); get!(get_heroes, GetHeroes, get_heroes_builder, GetHeroesResult); set!(set_game_items, get_game_items_builder, GetGameItemsBuilder); get!( get_game_items, GetGameItems, get_game_items_builder, GetGameItemsResult ); set!(set_rarities, get_rarities_builder, GetRaritiesBuilder); get!( get_rarities, GetRarities, get_rarities_builder, GetRaritiesResult ); set!( set_tournament_prize_pool, get_tournament_prize_pool_builder, GetTournamentPrizePoolBuilder ); get!( get_tournament_prize_pool, GetTournamentPrizePool, get_tournament_prize_pool_builder, GetTournamentPrizePoolResult ); fn get(&mut self, url: &str) -> Result<String, Error> { let mut response = self.http_client.get(url).send()?; let mut temp = String::new(); if response.status == StatusCode::Forbidden { return Err(Error::Forbidden( "Access is denied. Retrying will not help. Please check your API key.", )); } let _ = response.read_to_string(&mut temp); Ok(temp) } } builder!( GetHeroesBuilder, "http://api.steampowered.com/IEconDOTA2_570/GetHeroes/v1/?key={}&" ); impl GetHeroesBuilder { pub fn itemized_only(&mut self, param_value: bool) -> &mut Self { self.url .push_str(&*format!("itemizedonly={}&", param_value)); self } } builder!( GetGameItemsBuilder, "http://api.steampowered.com/IEconDOTA2_570/GetGameItems/v1/?key={}&" ); builder!( GetRaritiesBuilder, "http://api.steampowered.com/IEconDOTA2_570/GetRarities/v1/?key={}&" ); builder!( GetTournamentPrizePoolBuilder, "http://api.steampowered.com/IEconDOTA2_570/GetTournamentPrizePool/v1/?key={}&" ); impl GetTournamentPrizePoolBuilder { pub fn league_id(&mut self, param_value: usize) -> &mut Self { self.url.push_str(&*format!("leagueid={}&", param_value)); self } }