feat: add Shikimori metadata service endpoint

Co-authored-by: aider (openrouter/deepseek/deepseek-chat) <aider@aider.chat>

pom.xml

@@ -39,6 +39,14 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-rest</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.eclipse.microprofile.rest.client</groupId>
+            <artifactId>microprofile-rest-client-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-rest-client</artifactId>
+        </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-junit</artifactId>

src/main/java/com/backend/metadata/shikimori/model/AnimeMetadata.java

@@ -0,0 +1,13 @@
+package com.backend.metadata.shikimori.model;
+
+import java.util.List;
+
+public class AnimeMetadata {
+    public int shikimori_id;
+    public String title;
+    public String poster;
+    public String description;
+    public List<Character> characters;
+    public List<RelatedAnime> related;
+    public List<VoiceActor> voice_actors;
+}

src/main/java/com/backend/metadata/shikimori/model/Character.java

@@ -0,0 +1,8 @@
+package com.backend.metadata.shikimori.model;
+
+public class Character {
+    public String name;
+    public String role;
+    public String poster;
+    public String seiyuu;
+}

src/main/java/com/backend/metadata/shikimori/model/RelatedAnime.java

@@ -0,0 +1,7 @@
+package com.backend.metadata.shikimori.model;
+
+public class RelatedAnime {
+    public int shikimori_id;
+    public String relation;
+    public String title;
+}

src/main/java/com/backend/metadata/shikimori/model/VoiceActor.java

@@ -0,0 +1,7 @@
+package com.backend.metadata.shikimori.model;
+
+public class VoiceActor {
+    public String name;
+    public String language;
+    public String character;
+}

src/main/java/com/backend/metadata/shikimori/service/MetadataResource.java

@@ -0,0 +1,22 @@
+package com.backend.metadata.shikimori.service;
+
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.PathParam;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+import org.eclipse.microprofile.rest.client.inject.RestClient;
+
+@Path("/metadata")
+public class MetadataResource {
+
+    @RestClient
+    ShikimoriService shikimoriService;
+
+    @GET
+    @Path("/{shikimori_id}")
+    @Produces(MediaType.APPLICATION_JSON)
+    public AnimeMetadata getMetadata(@PathParam("shikimori_id") int shikimoriId) {
+        return shikimoriService.getMetadata(shikimoriId);
+    }
+}

src/main/java/com/backend/metadata/shikimori/service/ShikimoriService.java

@@ -0,0 +1,17 @@
+package com.backend.metadata.shikimori.service;
+
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.PathParam;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+import org.eclipse.microprofile.rest.client.inject.RegisterRestClient;
+
+@RegisterRestClient(configKey = "shikimori-api")
+public interface ShikimoriService {
+
+    @GET
+    @Path("/api/graphql")
+    @Produces(MediaType.APPLICATION_JSON)
+    AnimeMetadata getMetadata(@PathParam("id") int shikimoriId);
+}

src/main/resources/application.properties

@@ -0,0 +1,3 @@
+# Shikimori API configuration
+shikimori-api/mp-rest/url=https://shikimori.one
+shikimori-api/mp-rest/scope=jakarta.inject.Singleton