WIP

BudgetApp/Components/Pages/Transactions.razor.cs

@@ -1,5 +1,6 @@
 using BudgetApp.Data.Entities;
 using Microsoft.AspNetCore.Components;
+using Microsoft.JSInterop;
 
 namespace BudgetApp.Components.Pages;
 
@@ -200,12 +201,14 @@ public partial class Transactions
     private string _deleteModalTitle = "Delete Transaction";
     private bool _showEditModal;
     private int? _editingTransactionId;
+    private Transaction? _editingTransaction;
     private bool _editIsPartOfSeries;
     private TransactionForm _editModel = new();
 
     private void OpenEditModal(Transaction t)
     {
         _editingTransactionId = t.Id;
+        _editingTransaction = t;
         _editIsPartOfSeries = t.RecurrenceType != RecurrenceType.None || t.ParentTransactionId is not null;
         _editModel = new TransactionForm
         {
@@ -221,11 +224,15 @@ public partial class Transactions
         _showEditModal = true;
     }
 
-    private void CloseEditModal() => _showEditModal = false;
+    private void CloseEditModal()
+    {
+        _showEditModal = false;
+        _editingTransaction = null;
+    }
 
     private async Task SaveEdit()
     {
-        if (_userId is null || _editingTransactionId is null) return;
+        if (_userId is null || _editingTransactionId is null || _editingTransaction?.SalaryId is not null) return;
 
         await TransactionService.UpdateTransactionAsync(
             _editingTransactionId.Value, _userId,
@@ -305,7 +312,28 @@ public partial class Transactions
         await LoadData();
     }
 
-    private sealed class TransactionForm : System.ComponentModel.DataAnnotations.IValidatableObject
+    private async Task ExportCsv()
+    {
+        var sb = new System.Text.StringBuilder();
+        sb.AppendLine("Date,Description,Type,Amount,Account,Category,Recurrence");
+        foreach (var t in FilteredTransactions)
+        {
+            var category = t.Category?.Name ?? "";
+            var recurrence = t.RecurrenceType != RecurrenceType.None ? t.RecurrenceType.ToString() : "";
+            sb.AppendLine($"{t.Date:yyyy-MM-dd},{CsvEscape(t.Description)},{t.Type},{t.Amount:F2},{CsvEscape(t.Account.Name)},{CsvEscape(category)},{recurrence}");
+        }
+        var filename = $"transactions_{DateTime.Today:yyyy-MM-dd}.csv";
+        await JS.InvokeVoidAsync("downloadCsv", filename, sb.ToString());
+    }
+
+    private static string CsvEscape(string value)
+    {
+        if (value.Contains(',') || value.Contains('"') || value.Contains('\n'))
+            return $"\"{value.Replace("\"", "\"\"\"")}\"";
+        return value;
+    }
+
+    private sealed class TransactionForm
     {
         [System.ComponentModel.DataAnnotations.Required(ErrorMessage = "Description is required")]
         [System.ComponentModel.DataAnnotations.MaxLength(200)]