From c567ac5320afda91e5be5fb2f8a4d9423820efd8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20K=C3=BChnel?= <patrick.kuehnel96@gmail.com>
Date: Sun, 16 Jun 2024 23:55:23 +0200
Subject: [PATCH] feat(ChargingCostService): add default charge price

---
 .../Server/Contracts/IChargingCostService.cs  |  1 +
 TeslaSolarCharger/Server/Program.cs           |  1 +
 .../Server/Services/ChargingCostService.cs    | 22 +++++++++++++++++++
 3 files changed, 24 insertions(+)

diff --git a/TeslaSolarCharger/Server/Contracts/IChargingCostService.cs b/TeslaSolarCharger/Server/Contracts/IChargingCostService.cs
index a54ab0a2d..06460f5a2 100644
--- a/TeslaSolarCharger/Server/Contracts/IChargingCostService.cs
+++ b/TeslaSolarCharger/Server/Contracts/IChargingCostService.cs
@@ -12,4 +12,5 @@ public interface IChargingCostService
     Task DeleteDuplicatedHandleCharges();
     Task<List<SpotPrice>> GetSpotPrices();
     Task ConvertToNewChargingProcessStructure();
+    Task AddFirstChargePrice();
 }
diff --git a/TeslaSolarCharger/Server/Program.cs b/TeslaSolarCharger/Server/Program.cs
index 5be596c22..78dc042a9 100644
--- a/TeslaSolarCharger/Server/Program.cs
+++ b/TeslaSolarCharger/Server/Program.cs
@@ -167,6 +167,7 @@ async Task DoStartupStuff(WebApplication webApplication, ILogger<Program> logger
         await configJsonService.ConvertOldCarsToNewCar().ConfigureAwait(false);
         //This needs to be done after converting old cars to new cars as IDs might change
         await chargingCostService.ConvertToNewChargingProcessStructure().ConfigureAwait(false);
+        await chargingCostService.AddFirstChargePrice().ConfigureAwait(false);
         await configJsonService.UpdateAverageGridVoltage().ConfigureAwait(false);
 
         var carConfigurationService = webApplication.Services.GetRequiredService<ICarConfigurationService>();
diff --git a/TeslaSolarCharger/Server/Services/ChargingCostService.cs b/TeslaSolarCharger/Server/Services/ChargingCostService.cs
index e34489f73..f26c2f393 100644
--- a/TeslaSolarCharger/Server/Services/ChargingCostService.cs
+++ b/TeslaSolarCharger/Server/Services/ChargingCostService.cs
@@ -147,6 +147,28 @@ public async Task UpdateChargePrice(DtoChargePrice dtoChargePrice)
         await tscOnlyChargingCostService.UpdateChargePricesOfAllChargingProcesses().ConfigureAwait(false);
     }
 
+    public async Task AddFirstChargePrice()
+    {
+        logger.LogTrace("{method}()", nameof(AddFirstChargePrice));
+        var chargePrices = await teslaSolarChargerContext.ChargePrices
+            .ToListAsync().ConfigureAwait(false);
+        if (chargePrices.Any(c => c.ValidSince < new DateTime(2022, 2, 1)))
+        {
+            return;
+        }
+        var chargePrice = new DtoChargePrice()
+        {
+            GridPrice = 0.25m,
+            SolarPrice = 0.25m,
+            ValidSince = DateTime.SpecifyKind(new DateTime(2020, 1, 1), DateTimeKind.Utc),
+            EnergyProvider = EnergyProvider.OldTeslaSolarChargerConfig,
+            AddSpotPriceToGridPrice = false,
+            SpotPriceSurcharge = 0.19m,
+            EnergyProviderConfiguration = null,
+        };
+        await UpdateChargePrice(chargePrice).ConfigureAwait(false);
+    }
+
     public async Task DeleteChargePriceById(int id)
     {
         var chargePrice = await teslaSolarChargerContext.ChargePrices