main: make bandcamp command use bandcamp library to avoid panics

src/main.rs

@@ -14,7 +14,7 @@ use futures::{StreamExt, future::FutureExt};
 
 use ratatui::prelude::*;
 
-use crate::{events::AudioRecordRequest, prediction::PossibleResponse, scene::{ConversationEntry, PlaylistEntry, Scene, StageActions, StageDirection}, tts::start_tts};
+use crate::{events::AudioRecordRequest, prediction::{BandcampResult, PossibleResponse}, scene::{ConversationEntry, PlaylistEntry, Scene, StageActions, StageDirection}, tts::start_tts};
 
 mod scene;
 mod events;
@@ -364,7 +364,7 @@ impl App {
                                             } else {
                                                 self.sys_message_sink.send("Invalid timer format. Use /timer [minutes]".into()).await.unwrap();
                                             }
-                                        }
+                                        },
                                         "/clear" => {
                                             match arg.trim() {
                                                 "playlist" => {
@@ -415,12 +415,14 @@ impl App {
     }
 
     async fn add_bandcamp_artifact(&mut self, url: &str) {
-        // FIXME: This can crash if the page doesn't load properly, or if the structure of the Bandcamp page changes. We should add some error handling here.
-        let body  = reqwest::get(url).await.unwrap().text().await.unwrap();
-        let fragment = Html::parse_document(&body);
-        let selector = Selector::parse("script[type=\"application/ld+json\"]").unwrap();
-        let json_ld = fragment.select(&selector).next().unwrap().inner_html();
-        self.direction.artifacts.push(json_ld.trim().to_string());
+        if let Ok(album) = bandcamp::album_from_url(url).await {
+            let result: BandcampResult = album.into();
+            let json = serde_json::to_string(&result).unwrap();
+            self.direction.artifacts.push(json);
+            self.sys_message_sink.send("Added bandcamp album".into()).await.unwrap();
+        } else {
+            self.sys_message_sink.send("Could not fetch bandcamp data! Is that a proper URL?".into()).await.unwrap();
+        }
     }
 
     async fn speak(&mut self, text: String) {
@@ -436,7 +438,6 @@ impl App {
         self.scene.conversation_mut().append(&mut actions.additions.clone());
         self.prediction_request_sink.send(actions).unwrap();
         self.is_requesting = true;
-        panic!("at the disco");
     }
 
     fn reload_mixxx_playlist(&mut self) {