Add project files.

2026-06-05 21:39:38 +02:00
parent 63bb199a1f
commit 841037013a
28 changed files with 2342 additions and 0 deletions
@@ -0,0 +1,71 @@
+using CalendarReminder.Api.Data;
+using Microsoft.EntityFrameworkCore;
+
+namespace CalendarReminder.Api.Services;
+
+public class ReminderNotificationService : BackgroundService
+{
+    private readonly IServiceScopeFactory _scopeFactory;
+    private readonly ILogger<ReminderNotificationService> _logger;
+
+    public ReminderNotificationService(IServiceScopeFactory scopeFactory,
+        ILogger<ReminderNotificationService> logger)
+    {
+        _scopeFactory = scopeFactory;
+        _logger = logger;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        _logger.LogInformation("Notification service spustený");
+
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            await CheckRemindersAsync();
+            await Task.Delay(TimeSpan.FromMinutes(1), stoppingToken);
+        }
+    }
+
+    private async Task CheckRemindersAsync()
+    {
+        using var scope = _scopeFactory.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
+        var emailService = scope.ServiceProvider.GetRequiredService<EmailService>();
+
+        var now = DateTime.UtcNow;
+        var windowEnd = now.AddMinutes(15);
+
+        // Nájdi remindery, ktoré sú do 15 minút a notifikácia ešte nebola odoslaná
+        var upcoming = await db.Reminders
+            .Include(r => r.User)
+            .Where(r => !r.IsCompleted
+                     && !r.NotificationSent
+                     && r.ReminderDate >= now
+                     && r.ReminderDate <= windowEnd)
+            .ToListAsync();
+
+        foreach (var reminder in upcoming)
+        {
+            var minutesLeft = (int)(reminder.ReminderDate - now).TotalMinutes;
+            var body = $"""
+                <h2>⏰ Pripomienka: {reminder.Title}</h2>
+                <p><strong>Čas:</strong> {reminder.ReminderDate:dd.MM.yyyy HH:mm}</p>
+                <p><strong>O:</strong> {minutesLeft} minút</p>
+                {(reminder.Description != null ? $"<p><strong>Popis:</strong> {reminder.Description}</p>" : "")}
+                <hr>
+                <small>CalendarReminder</small>
+                """;
+
+            await emailService.SendAsync(
+                reminder.User!.Email,
+                reminder.User.Username,
+                $"⏰ Pripomienka: {reminder.Title}",
+                body);
+
+            reminder.NotificationSent = true;
+        }
+
+        if (upcoming.Count > 0)
+            await db.SaveChangesAsync();
+    }
+}