Make Added button remove artist and refresh search results

src/main/java/com/discdrop/web/ArtistController.java

@@ -76,6 +76,21 @@ public class ArtistController {
         return artistListTemplate.data("artists", allArtists);
     }
 
+    @DELETE
+    @Path("/{mbid}/from-search")
+    @Produces(MediaType.TEXT_HTML)
+    public TemplateInstance removeArtistFromSearch(@PathParam("mbid") String mbid,
+                                                    @QueryParam("q") @DefaultValue("") String q) {
+        artistService.removeArtist(mbid);
+        List<SearchResult> results;
+        if (q == null || q.isBlank()) {
+            results = List.of();
+        } else {
+            results = artistService.search(q);
+        }
+        return searchResultsTemplate.data("artists", results);
+    }
+
     @PATCH
     @Path("/{mbid}/monitor")
     @Produces(MediaType.TEXT_HTML)

src/main/resources/templates/fragments/search-results.html

@@ -20,7 +20,11 @@
       </div>
       <div class="flex-shrink-0">
         {#if artist.alreadyTracked}
-          <button class="btn btn-warning btn-sm">✓ Added</button>
+          <button class="btn btn-warning btn-sm"
+                  hx-delete="/api/artists/{artist.mbid}/from-search"
+                  hx-vals='js:{q: document.getElementById("search-input").value}'
+                  hx-target="#search-results"
+                  hx-swap="innerHTML">✓ Added</button>
         {#else}
           <button class="btn btn-primary btn-sm"
                   hx-post="/api/artists/{artist.mbid}/track"