Refactor. Add data layer

BudgetApp/Services/Models/ChartData.cs

@@ -0,0 +1,8 @@
+namespace BudgetApp.Services.Models;
+
+public class ChartData
+{
+    public List<string> Labels { get; set; } = [];
+    public List<ChartDataset> Datasets { get; set; } = [];
+    public List<List<string>> DayTransactionLabels { get; set; } = [];
+}

BudgetApp/Services/Models/ChartDataset.cs

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+namespace BudgetApp.Services.Models;
+
+public class ChartDataset
+{
+    public string Label { get; set; } = string.Empty;
+    public string Color { get; set; } = "#1b6ec2";
+    public List<decimal> Data { get; set; } = [];
+    public string CurrencySymbol { get; set; } = "$";
+}

BudgetApp/Services/Models/DashboardData.cs

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+
+using BudgetApp.Data.Entities;
+
+namespace BudgetApp.Services.Models;
+
+public class DashboardData
+{
+    public List<Account> Accounts { get; set; } = [];
+    public List<Category> Categories { get; set; } = [];
+    public List<Transaction> RecentTransactions { get; set; } = [];
+    public List<Transaction> UpcomingTransactions { get; set; } = [];
+    public ChartData ChartData { get; set; } = new();
+    public string CurrencySymbol { get; set; } = "$";
+}