From d01c4e4c880224a4c92b9a8ff90226276ef65695 Mon Sep 17 00:00:00 2001
From: David Li <li.davidm96@gmail.com>
Date: Wed, 27 Jan 2016 21:24:15 -0500
Subject: feat(emote): add emote feature

---
 src/main.rs | 94 +++++++++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 69 insertions(+), 25 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 8c1d503..90859c2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -36,9 +36,65 @@ struct WikiQueryResponse {
 #[derive(Debug, PartialEq, Serialize, Deserialize)]
 struct WikiQuery {
     redirects: Option<Vec<WikiRedirect>>,
+    normalized: Option<Vec<WikiRedirect>>,
     pages: HashMap<String, WikiPage>,
 }
 
+fn user_agent() -> hyper::header::UserAgent {
+    hyper::header::UserAgent("lidavidm_irc_bot/0.1 (https://git.lidavidm.me; li.davidm96@gmail.com) hyper/0.7.2".to_owned())
+}
+
+fn query_page(article: &str) -> serde_json::Result<WikiQueryResponse>{
+    let client = Client::new();
+    let mut res = client
+        .get(&format!("https://en.wikipedia.org/w/api.php?action=query&prop=extracts&format=json&exintro=&explaintext=&titles={}&redirects=", article.replace(" ", "%20")))
+        .header(user_agent())
+        .header(Connection::close())
+        .send().unwrap();
+
+    let mut body = String::new();
+    res.read_to_string(&mut body).unwrap();
+
+    serde_json::from_str(&body)
+}
+
+fn emote_action(action: &str) -> Option<&str> {
+    if action == "shrugs" {
+        Some("¯\\_(ツ)_/¯")
+    }
+    else {
+        None
+    }
+}
+
+fn extract_username(prefix: Option<String>) -> Option<String> {
+    prefix.and_then(|p| p.split("!").next().map(|s| s.to_owned()))
+}
+
+fn wiki_query<T: IrcRead, U: IrcWrite>(server: &IrcServer<T, U>, origin: &str, article: &str) {
+    let response = query_page(article);
+
+    if let Ok(q) = response {
+        for page in q.query.pages.values() {
+            let url = format!("https://en.wikipedia.org/?curid={}", page.pageid);
+            server.send_privmsg(origin, &format!("{}: {}", page.title, url)).unwrap();
+            server.send_privmsg(origin, &page.extract).unwrap();
+            break;
+        }
+    }
+    else {
+        server.send_privmsg(origin, "Sorry, I couldn't retrieve the wiki page.").unwrap();
+        println!("{:?}", response);
+    }
+}
+
+fn emote<T: IrcRead, U: IrcWrite>(server: &IrcServer<T, U>, username: &str, action: &str) {
+    if let Some(reply) = emote_action(action) {
+        // TODO: don't hardcode channel
+        server.send_privmsg("#opensourcecornell", &(username.to_owned() + " is " + reply)[..]).unwrap();
+    }
+}
+
 fn main() {
     let config = Config {
         nickname: Some(format!("lidavidm_prime")),
@@ -50,34 +106,22 @@ fn main() {
     server.identify().unwrap();
     for message in server.iter() {
         let message = message.unwrap(); // We'll just panic if there's an error.
-        print!("{}", message.into_string());
+        println!("{:?}", message);
         if &message.command[..] == "PRIVMSG" {
             if let Some(msg) = message.suffix {
-                if msg.starts_with("!wiki") {
-                    let article = msg[5..].trim();
-
-                    let mut client = Client::new();
-                    let mut res = client
-                        .get(&format!("https://en.wikipedia.org/w/api.php?action=query&prop=extracts&format=json&exintro=&explaintext=&titles={}&redirects=", article.replace(" ", "%20")))
-                        .header(hyper::header::UserAgent("lidavidm_irc_bot/0.1 (https://git.lidavidm.me; li.davidm96@gmail.com) hyper/0.7.2".to_owned()))
-                        .header(Connection::close())
-                        .send().unwrap();
-
-                    let mut body = String::new();
-                    res.read_to_string(&mut body).unwrap();
-
-                    let response: serde_json::Result<WikiQueryResponse> = serde_json::from_str(&body);
-                    if let Ok(q) = response {
-                        for page in q.query.pages.values() {
-                            let url = format!("https://en.wikipedia.org/?curid={}", page.pageid);
-                            server.send_privmsg(&message.args[0], &format!("{}: {}", page.title, url)).unwrap();
-                            server.send_privmsg(&message.args[0], &page.extract).unwrap();
-                            break;
-                        }
+                if let Some(username) = extract_username(message.prefix) {
+                    let origin = &message.args[0];
+                    if msg.starts_with("!wiki") {
+                        let article = msg[5..].trim();
+                        wiki_query(&server, origin, article);
+                    }
+                    else if msg.starts_with("\u{1}ACTION") {
+                        let action = msg[8..msg.len() - 1].trim();
+                        emote(&server, &username, action);
                     }
-                    else {
-                        server.send_privmsg(&message.args[0], "Sorry, I couldn't retrieve the wiki page.").unwrap();
-                        println!("{} {:?}", body, response);
+                    else if msg.starts_with("/me") {
+                        let action = msg[3..].trim();
+                        emote(&server, &username, action);
                     }
                 }
             }
-- 
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