From 10b4edfd8a37866f55967fc8132a934556481b42 Mon Sep 17 00:00:00 2001
From: CWX <cwxdev@outlook.com>
Date: Sun, 19 Jan 2025 22:50:50 +0000
Subject: [PATCH] finish off handbook helper

---
 Libraries/Core/Helpers/HandbookHelper.cs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Libraries/Core/Helpers/HandbookHelper.cs b/Libraries/Core/Helpers/HandbookHelper.cs
index 8270305e..5ba7e9e9 100644
--- a/Libraries/Core/Helpers/HandbookHelper.cs
+++ b/Libraries/Core/Helpers/HandbookHelper.cs
@@ -169,12 +169,18 @@ public class HandbookHelper(
     /// <returns>currency count in desired type</returns>
     public double FromRUB(double roubleCurrencyCount, string currencyTypeTo)
     {
-        throw new NotImplementedException();
+        if (currencyTypeTo == Money.ROUBLES) {
+            return roubleCurrencyCount;
+        }
+
+        // Get price of currency from handbook
+        var price = GetTemplatePrice(currencyTypeTo);
+        return price is not null ? Math.Max(1, Math.Round((double)(roubleCurrencyCount / price))) : 0;
     }
 
     public HandbookCategory GetCategoryById(string handbookId)
     {
-        throw new NotImplementedException();
+        return _databaseService.GetHandbook().Categories.FirstOrDefault(category => category.Id == handbookId);
     }
 }