From 15002c45d69d504d996781b3fe61dfc733648b5f Mon Sep 17 00:00:00 2001
From: Azalea <22280294+hykilpikonna@users.noreply.github.com>
Date: Tue, 2 Apr 2024 02:13:20 -0400
Subject: [PATCH] [O] Rewrite chusan item handler

---
 .../chusan/handler/GetUserItemHandler.java    | 67 -------------------
 .../sega/chusan/handler/GetUserItemHandler.kt | 55 +++++++++++++++
 2 files changed, 55 insertions(+), 67 deletions(-)
 delete mode 100644 src/main/java/icu/samnyan/aqua/sega/chusan/handler/GetUserItemHandler.java
 create mode 100644 src/main/java/icu/samnyan/aqua/sega/chusan/handler/GetUserItemHandler.kt

diff --git a/src/main/java/icu/samnyan/aqua/sega/chusan/handler/GetUserItemHandler.java b/src/main/java/icu/samnyan/aqua/sega/chusan/handler/GetUserItemHandler.java
deleted file mode 100644
index 2fcb98fa..00000000
--- a/src/main/java/icu/samnyan/aqua/sega/chusan/handler/GetUserItemHandler.java
+++ /dev/null
@@ -1,67 +0,0 @@
-package icu.samnyan.aqua.sega.chusan.handler;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import icu.samnyan.aqua.sega.general.BaseHandler;
-import icu.samnyan.aqua.sega.chusan.model.userdata.UserItem;
-import icu.samnyan.aqua.sega.chusan.service.UserItemService;
-import icu.samnyan.aqua.sega.util.jackson.StringMapper;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.data.domain.Page;
-import org.springframework.stereotype.Component;
-
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-
-/**
- * Handler for getting user item.
- * This get call before profile create.
- *
- * @author samnyan (privateamusement@protonmail.com)
- */
-@Component("ChusanGetUserItemHandler")
-public class GetUserItemHandler implements BaseHandler {
-
-    private static final Logger logger = LoggerFactory.getLogger(GetUserItemHandler.class);
-
-    private final StringMapper mapper;
-
-    private final UserItemService userItemService;
-
-    public GetUserItemHandler(StringMapper mapper, UserItemService userItemService) {
-        this.mapper = mapper;
-        this.userItemService = userItemService;
-    }
-
-    @Override
-    public String handle(Map<String, Object> request) throws JsonProcessingException {
-        String userId = (String) request.get("userId");
-        Long nextIndexVal = Long.parseLong((String) request.get("nextIndex"));
-        int maxCount = Integer.parseInt((String) request.get("maxCount"));
-
-        Long mul = 10000000000L;
-
-        int kind = (int) (nextIndexVal / mul);
-        int nextIndex = (int) (nextIndexVal % mul);
-        int pageNum = nextIndex / maxCount;
-
-        Page<UserItem> userItemPage = userItemService.getByUserAndItemKind(userId, kind, pageNum, maxCount);
-
-        List<UserItem> userItemList = userItemPage.getContent();
-
-        long currentIndex = kind * mul + maxCount * pageNum + userItemPage.getNumberOfElements();
-
-        Map<String, Object> resultMap = new LinkedHashMap<>();
-        resultMap.put("userId", userId);
-        resultMap.put("length", userItemPage.getNumberOfElements());
-        resultMap.put("nextIndex", userItemPage.getNumberOfElements() < maxCount ? -1 : currentIndex);
-        resultMap.put("itemKind", kind);
-        resultMap.put("userItemList", userItemList);
-
-        String json = mapper.write(resultMap);
-        logger.info("Response: " + json);
-        return json;
-
-    }
-}
diff --git a/src/main/java/icu/samnyan/aqua/sega/chusan/handler/GetUserItemHandler.kt b/src/main/java/icu/samnyan/aqua/sega/chusan/handler/GetUserItemHandler.kt
new file mode 100644
index 00000000..73867278
--- /dev/null
+++ b/src/main/java/icu/samnyan/aqua/sega/chusan/handler/GetUserItemHandler.kt
@@ -0,0 +1,55 @@
+package icu.samnyan.aqua.sega.chusan.handler
+
+import com.fasterxml.jackson.core.JsonProcessingException
+import ext.int
+import ext.long
+import icu.samnyan.aqua.sega.chusan.service.UserItemService
+import icu.samnyan.aqua.sega.general.BaseHandler
+import icu.samnyan.aqua.sega.util.jackson.StringMapper
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Component
+
+/**
+ * Handler for getting user item.
+ * This get call before profile create.
+ *
+ * @author samnyan (privateamusement@protonmail.com)
+ */
+@Component("ChusanGetUserItemHandler")
+class GetUserItemHandler(private val mapper: StringMapper, private val userItemService: UserItemService) : BaseHandler {
+    @Throws(JsonProcessingException::class)
+    override fun handle(request: Map<String, Any>): String {
+        val userId = request["userId"].toString()
+        val nextIndexVal = request["nextIndex"]?.long() ?: 0
+        val maxCount = request["maxCount"]?.int() ?: 100
+
+        val mul = 10000000000L
+
+        val kind = (nextIndexVal / mul).toInt()
+        val nextIndex = (nextIndexVal % mul).toInt()
+        val pageNum = nextIndex / maxCount
+
+        val userItemPage = userItemService.getByUserAndItemKind(userId, kind, pageNum, maxCount)
+        val userItemList = userItemPage.content
+        val currentIndex = kind * mul + maxCount * pageNum + userItemPage.numberOfElements
+
+        // TODO: Music unlock
+
+        val resultMap = mapOf(
+            "userId" to userId,
+            "length" to userItemPage.numberOfElements,
+            "nextIndex" to if (userItemPage.numberOfElements < maxCount) -1 else currentIndex,
+            "itemKind" to kind,
+            "userItemList" to userItemList
+        )
+
+        val json = mapper.write(resultMap)
+        logger.info("Response: $json")
+        return json
+    }
+
+    companion object {
+        private val logger: Logger = LoggerFactory.getLogger(GetUserItemHandler::class.java)
+    }
+}