From 5b2687ae83f2cad89f89c454e2f81f100102a2c6 Mon Sep 17 00:00:00 2001
From: Azalea <22280294+hykilpikonna@users.noreply.github.com>
Date: Sat, 10 Feb 2024 05:30:06 -0500
Subject: [PATCH] [+] New maimai api

---
 .../sega/game/maimai2/Maimai2New.kt           | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 src/main/java/icu/samnyan/aqua/api/controller/sega/game/maimai2/Maimai2New.kt

diff --git a/src/main/java/icu/samnyan/aqua/api/controller/sega/game/maimai2/Maimai2New.kt b/src/main/java/icu/samnyan/aqua/api/controller/sega/game/maimai2/Maimai2New.kt
new file mode 100644
index 00000000..254ad902
--- /dev/null
+++ b/src/main/java/icu/samnyan/aqua/api/controller/sega/game/maimai2/Maimai2New.kt
@@ -0,0 +1,30 @@
+package icu.samnyan.aqua.api.controller.sega.game.maimai2
+
+import icu.samnyan.aqua.sega.maimai2.dao.userdata.UserPlaylogRepository
+import icu.samnyan.aqua.sega.maimai2.model.userdata.UserPlaylog
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RequestParam
+import org.springframework.web.bind.annotation.RestController
+import java.util.*
+
+@RestController
+@RequestMapping("api/game/maimai2new")
+class Maimai2New(
+    private val userPlaylogRepository: UserPlaylogRepository
+)
+{
+    data class TrendOut(val date: String, val rating: Int)
+
+    @GetMapping("trend")
+    fun trend(@RequestParam userId: Long): List<TrendOut> {
+        // O(n log n) sort TODO: It might be possible to optimize this
+        val d = userPlaylogRepository.findByUser_Card_ExtId(userId).sortedBy { it.playDate }.toList()
+
+        // Assume it's sorted by date, map the values O(n)
+        val map = d.associate { it.playDate to it.afterRating }
+
+        // Is sorting here necessary?
+        return map.map { TrendOut(it.key, it.value) }.sortedBy { it.date }
+    }
+}
\ No newline at end of file