62 lines
2.0 KiB
C#
62 lines
2.0 KiB
C#
using Microsoft.EntityFrameworkCore;
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using Nexus.Api.Data;
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using Nexus.Api.Models;
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namespace Nexus.Api.Services;
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public sealed class NotificationService(NexusDbContext db) : INotificationService
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{
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public async Task<Notification> CreateAsync(string type, string title, string? message, string forUser, Guid? taskId = null, CancellationToken ct = default)
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{
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var notification = new Notification
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{
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Type = type,
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Title = title,
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Message = message,
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ForUser = forUser.ToLowerInvariant(),
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TaskId = taskId
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};
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db.Notifications.Add(notification);
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await db.SaveChangesAsync(ct);
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return notification;
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}
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public async Task<IReadOnlyList<Notification>> GetForUserAsync(string forUser, int limit = 50, bool unreadOnly = false, CancellationToken ct = default)
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{
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var query = db.Notifications
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.Where(n => n.ForUser == forUser.ToLowerInvariant());
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if (unreadOnly)
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query = query.Where(n => !n.IsRead);
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return await query
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.OrderByDescending(n => n.CreatedAt)
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.Take(limit)
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.ToListAsync(ct);
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}
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public async Task<bool> MarkAsReadAsync(Guid id, CancellationToken ct = default)
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{
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var notification = await db.Notifications.FindAsync([id], ct);
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if (notification is null) return false;
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notification.IsRead = true;
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await db.SaveChangesAsync(ct);
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return true;
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}
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public async Task<int> MarkAllAsReadAsync(string forUser, CancellationToken ct = default)
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{
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var count = await db.Notifications
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.Where(n => n.ForUser == forUser.ToLowerInvariant() && !n.IsRead)
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.ExecuteUpdateAsync(s => s.SetProperty(n => n.IsRead, true), ct);
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return count;
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}
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public async Task<int> GetUnreadCountAsync(string forUser, CancellationToken ct = default)
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{
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return await db.Notifications
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.CountAsync(n => n.ForUser == forUser.ToLowerInvariant() && !n.IsRead, ct);
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}
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}
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