Implement getUserMostPlayed from osu!api

nise-backend/src/main/kotlin/com/nisemoe/nise/osu/OsuApi.kt

@@ -294,6 +294,24 @@ class OsuApi(
         }
     }
 
+    fun getUserMostPlayed(userId: Int, limit: Int? = null, offset: Int? = null): List<OsuApiModels.BeatmapPlaycount>? {
+        val queryParams = mapOf(
+            "limit" to limit,
+            "offset" to offset,
+        )
+        val response = this.doRequest("https://osu.ppy.sh/api/v2/users/$userId/beatmapsets/most_played/?", queryParams)
+
+        if (response == null) {
+            this.logger.info("Error getting user most played ($userId)")
+            return null
+        }
+
+        return when (response.statusCode()) {
+            200 -> serializer.decodeFromString<List<OsuApiModels.BeatmapPlaycount>>(response.body())
+            else -> null
+        }
+    }
+
     var rateLimitRemaining: Long = 0L
     var rateLimitTotal: Long = 0L
 

nise-backend/src/main/kotlin/com/nisemoe/nise/osu/OsuApiModels.kt

@@ -232,4 +232,10 @@ class OsuApiModels {
         val content: String
     )
 
+    @Serializable
+    data class BeatmapPlaycount(
+        val beatmap_id: Int,
+        val count: Int,
+    )
+
 }