initial commit

Plugins/BTCPayServer.Plugins.FixedFloat/FixedFloatService.cs

@@ -0,0 +1,46 @@
+using System.Threading.Tasks;
+using BTCPayServer.Abstractions.Contracts;
+using Microsoft.Extensions.Caching.Memory;
+
+namespace BTCPayServer.Plugins.FixedFloat
+{
+    public class FixedFloatService
+    {
+        private readonly ISettingsRepository _settingsRepository;
+        private readonly IStoreRepository _storeRepository;
+        private readonly IMemoryCache _memoryCache;
+
+        public FixedFloatService(ISettingsRepository settingsRepository, IStoreRepository storeRepository, IMemoryCache memoryCache)
+        {
+            _settingsRepository = settingsRepository;
+            _storeRepository = storeRepository;
+            _memoryCache = memoryCache;
+        }
+        public async Task<FixedFloatSettings> GetFixedFloatForStore(string storeId)
+        {
+            var k = $"{nameof(FixedFloatSettings)}_{storeId}";
+            return await _memoryCache.GetOrCreateAsync(k, async _ =>
+            {
+                var res = await _storeRepository.GetSettingAsync<FixedFloatSettings>(storeId,
+                    nameof(FixedFloatSettings));
+                if (res is not null) return res;
+                res = await _settingsRepository.GetSettingAsync<FixedFloatSettings>(k);
+
+                if (res is not null)
+                {
+                    await SetFixedFloatForStore(storeId, res);
+                }
+
+                await _settingsRepository.UpdateSetting<FixedFloatSettings>(null, k);
+                return res;
+            });
+        }
+
+        public async Task SetFixedFloatForStore(string storeId, FixedFloatSettings fixedFloatSettings)
+        {
+            var k = $"{nameof(FixedFloatSettings)}_{storeId}";
+            await _storeRepository.UpdateSetting(storeId, nameof(FixedFloatSettings), fixedFloatSettings);
+            _memoryCache.Set(k, fixedFloatSettings);
+        }
+    }
+}