Add aur queries

src/commands/aur.rs

@@ -0,0 +1,55 @@
+use crate::commands::*;
+use serde::Deserialize;
+use serenity::model::channel::Message;
+use std::fmt;
+
+pub fn query_aur(ctx: Context, msg: Message, args: Vec<&str>) {
+    let query = args.join(" ");
+    let response: Response = search(
+        &format!(
+            "https://aur.archlinux.org/rpc/?v=5&type=search&by=name&arg={}",
+            &query
+        ),
+        |_e| EMPTY_RESULT,
+    );
+    if response.results.is_empty() {
+        send(msg.channel_id, "No results", &ctx);
+        return;
+    }
+    respond_with_results(msg.channel_id, &response.results, &ctx);
+}
+
+const EMPTY_RESULT: Response = Response {
+    results: Vec::new(),
+};
+
+#[derive(Deserialize)]
+struct Response {
+    results: Vec<Package>,
+}
+
+#[derive(Deserialize)]
+struct Package {
+    #[serde(rename = "Name")]
+    name: String,
+    #[serde(rename = "Version")]
+    version: String,
+    #[serde(rename = "Description")]
+    description: String,
+    #[serde(rename = "URL")]
+    url: String,
+    #[serde(rename = "NumVotes")]
+    votes: u16,
+    //Popularity	3.159745
+    //OutOfDate	null
+}
+
+impl fmt::Display for Package {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "aur/{} {} (+{})\n    {}\n    url: {}",
+            self.name, self.version, self.votes, self.description, self.url
+        )
+    }
+}

src/commands/mod.rs

@@ -7,6 +7,7 @@ mod apt;
 mod dnf;
 mod nix;
 mod pacman;
+mod aur;
 extern crate reqwest;
 
 pub struct Handler;
@@ -64,6 +65,7 @@ lazy_static! {
         command_list.push(Command::new("apt", apt::query_apt));
         command_list.push(Command::new("nix", nix::query_nix));
         command_list.push(Command::new("dnf", dnf::query_dnf));
+        command_list.push(Command::new("aur", aur::query_aur));
         command_list.push(Command::new("pacbot help", help));
         command_list.push(Command::new("pb help", help));
         command_list