Windows: Add MailLogWindow

Elwig/Windows/MailLogWindow.xaml.cs

@@ -0,0 +1,83 @@
+using Elwig.Helpers;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows;
+
+namespace Elwig.Windows {
+    public partial class MailLogWindow : Window {
+
+        record struct Row (DateTime DateTime, string Type, int MgNr, string Name, string Addresses, string Subject, string Attachments);
+
+        private List<Row> Data = [];
+
+        public MailLogWindow() {
+            InitializeComponent();
+            WindowState = WindowState.Maximized;
+            ControlUtils.InitializeDelayTimer(FilterInput, FilterInput_TextChanged);
+            FilterInput.TextChanged -= FilterInput_TextChanged;
+        }
+
+        private async void TimeSpanInput_SelectionChanged(object sender, RoutedEventArgs evt) {
+            DateTime? fromDate = DateTime.Now;
+            if (TimeSpanInput.SelectedIndex == 0) {
+                fromDate = fromDate.Value.AddDays(-7);
+            } else if (TimeSpanInput.SelectedIndex == 1) {
+                fromDate = fromDate.Value.AddMonths(-6);
+            } else {
+                fromDate = null;
+            }
+            var mails = await Utils.GetSentMails(fromDate: fromDate == null ? null : DateOnly.FromDateTime(fromDate.Value));
+            Data = mails.Reverse().Select(m => new Row(
+                m.DateTime,
+                m.Type == "email" ? "E-Mail" : m.Type == "postal" ? "Post" : "?",
+                m.MgNr,
+                m.Name,
+                string.Join("\n", m.Addresses),
+                m.Subject,
+                string.Join("\n", m.Attachments)
+            )).ToList();
+            MailList.ItemsSource = Data;
+            ApplyFilters();
+        }
+
+        private void FilterInput_TextChanged(object sender, RoutedEventArgs evt) {
+            ApplyFilters();
+        }
+
+        private void TypeInput_SelectionChanged(object sender, RoutedEventArgs evt) {
+            ApplyFilters();
+        }
+
+        private void ApplyFilters() {
+            var filters = FilterInput.Text.Split(' ');
+            IEnumerable<Row> data = Data;
+            switch (TypeInput.SelectedIndex) {
+                case 1: data = data.Where(d => d.Type == "Post"); break;
+                case 2: data = data.Where(d => d.Type == "E-Mail"); break;
+            }
+            foreach (var filter in filters) {
+                if (int.TryParse(filter, out var mgnr)) {
+                    data = data.Where(d => d.MgNr == mgnr);
+                } else {
+                    var f = filter.ToLower();
+                    data = data.Where(d => d.Name.Contains(f, StringComparison.CurrentCultureIgnoreCase) ||
+                                           d.Addresses.Contains(f, StringComparison.CurrentCultureIgnoreCase) ||
+                                           d.Subject.Contains(f, StringComparison.CurrentCultureIgnoreCase) ||
+                                           d.Attachments.Contains(f, StringComparison.CurrentCultureIgnoreCase));
+                }
+            }
+            if (IsLoaded)
+                MailList.ItemsSource = data.ToList();
+        }
+
+        private async void MailList_SelectionChanged(object sender, RoutedEventArgs evt) {
+            if (MailList.SelectedItem is not Row item) return;
+            if (item.Type == "E-Mail") {
+                MailData.Text = await Utils.FindSentMailBody(item.DateTime);
+            } else {
+                MailData.Text = "";
+            }
+        }
+    }
+}