From 609fa1ab6351dd58a8c9cd245aeec0eaf647c9e9 Mon Sep 17 00:00:00 2001
From: jan <jan@ruken.pw>
Date: Thu, 7 Apr 2016 18:16:03 +0200
Subject: feature TopAnime hinzugefuegt, wird automatisch geupdated


diff --git a/Cargo.toml b/Cargo.toml
index 8ce7c59..65fd153 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,3 +6,5 @@ authors = ["jan <jan@ruken.pw>"]
 [dependencies]
 telegram-bot = "0.4"
 time = "0.1"
+regex = "0.1"
+rustc-serialize = "0.3"
diff --git a/src/feature/mod.rs b/src/feature/mod.rs
index a52bb2c..b57c179 100644
--- a/src/feature/mod.rs
+++ b/src/feature/mod.rs
@@ -2,9 +2,11 @@ use std::boxed::Box;
 
 extern crate telegram_bot;
 use telegram_bot::{Api, Message};
+extern crate rustc_serialize;
 
 pub mod jisoku;
 pub mod tasterank;
+pub mod topanime;
 
 pub enum FeatureResult {
     Handled,
@@ -18,5 +20,7 @@ pub trait Feature {
 }
 
 pub fn init() -> Vec<Box<Feature>> {
-    vec![Box::new(tasterank::Tasterank::new()), Box::new(jisoku::Jisoku::new())]
+    vec![Box::new(tasterank::Tasterank::new()),
+         Box::new(jisoku::Jisoku::new()),
+         Box::new(topanime::TopAnime::new())]
 }
diff --git a/src/feature/topanime.rs b/src/feature/topanime.rs
new file mode 100644
index 0000000..cccc976
--- /dev/null
+++ b/src/feature/topanime.rs
@@ -0,0 +1,119 @@
+use std::io;
+use std::io::prelude::*;
+use std::fs::File;
+use std::usize;
+
+extern crate telegram_bot;
+use telegram_bot::{Api, Message, MessageType};
+extern crate time;
+extern crate regex;
+use self::regex::Regex;
+use super::rustc_serialize::json;
+
+use feature::FeatureResult;
+use feature::Feature;
+
+#[derive(RustcDecodable)]
+pub struct Anime {
+    name: String,
+    score: f64,
+}
+
+impl Anime {
+    pub fn new(name: &str, score: f64) -> Anime {
+        Anime {
+            name: name.to_owned(),
+            score: score,
+        }
+    }
+}
+
+pub struct TopAnime {
+    animes: Vec<Anime>,
+    last_access: f64,
+}
+
+impl Feature for TopAnime {
+    fn name(&self) -> &'static str {
+        "Tasterank"
+    }
+    fn init(&mut self) {}
+    fn handle(&mut self, a: Api, m: Message) -> Result<FeatureResult, String> {
+        if let MessageType::Text(s) = m.msg {
+            let re = Regex::new(r"(?i)luggas top ([0-9]{1,3}) anime").unwrap();
+            let cap = re.captures(&s);
+            let s_num = match cap {
+                Some(s) => s.at(1),
+                None => return Ok(FeatureResult::Skip),
+            };
+            let s_num = match s_num {
+                Some(s) => s,
+                None => return Ok(FeatureResult::Skip),
+            };
+
+            // parse to int
+            let num = match s_num.parse::<i32>() {
+                Ok(n) => n,
+                Err(e) => {
+                    println!("{}", e);
+                    return Ok(FeatureResult::Skip);
+                }
+            };
+            let start = time::precise_time_ns();
+            if let Err(e) = self.update_animes() {
+                println!("{}", e);
+                return Ok(FeatureResult::Skip);
+            }
+            println!("(benchm) updating animes: {}ms",
+                     (time::precise_time_ns() - start) / 1000000);
+
+            let mut msg = String::new();
+            for i in 0..num {
+                let i = i as usize;
+                if self.animes.len() <= i {
+                    break;
+                }
+                msg.push_str(&format!("{}. {} ({}%)\n",
+                                      i + 1,
+                                      self.animes[i].name,
+                                      self.animes[i].score));
+            }
+            println!("(benchm) anime before send: {}ms",
+                     (time::precise_time_ns() - start) / 1000000);
+            if let Err(e) = a.send_message(m.chat.id(), msg, None, None, Some(m.message_id), None) {
+                println!("{}", e);
+            }
+            println!("(benchm) anime: {}ms",
+                     (time::precise_time_ns() - start) / 1000000);
+            return Ok(FeatureResult::Handled);
+        }
+        Ok(FeatureResult::Skip)
+    }
+}
+
+impl TopAnime {
+    pub fn new() -> TopAnime {
+        let mut t = TopAnime {
+            animes: vec![],
+            last_access: 0f64,
+        };
+        t.init();
+        t
+    }
+    fn update_animes(&mut self) -> Result<(), io::Error> {
+        let now = time::precise_time_s();
+        if now - self.last_access < 3600.0f64 {
+            return Ok(());
+        }
+        let mut f = try!(File::open("data/animescore.json"));
+        let mut buf = String::new();
+        try!(f.read_to_string(&mut buf));
+        let v: Vec<Anime> = match json::decode(&buf) {
+            Ok(v) => v,
+            Err(e) => return Err(io::Error::new(io::ErrorKind::InvalidData, format!("{}", e))),
+        };
+        self.animes = v;
+        self.last_access = now;
+        Ok(())
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index ef5c8e8..0880467 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,7 @@
 extern crate telegram_bot;
 use telegram_bot::{Api, ListeningMethod, ListeningAction};
+extern crate rustc_serialize;
+use rustc_serialize::json;
 
 mod feature;
 use feature::{Feature, FeatureResult};
-- 
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