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Fix: UpdatedAt del Sitemap

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dmolinari
2026-03-21 20:17:27 -03:00
parent 3135241aaa
commit d8d7e5c2eb
1 changed files with 35 additions and 15 deletions
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50
Backend/MotoresArgentinosV2.Infrastructure/Services/SitemapGeneratorService.cs
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@@ -22,14 +22,19 @@ public class SitemapGeneratorService : BackgroundService
private const string BaseUrl = "https://motoresargentinos.com";
// Rutas estáticas públicas del frontend con sus prioridades
private static readonly (string Path, string Priority, string ChangeFreq)[] StaticRoutes =
// Rutas estáticas cuyo contenido cambia con cada aviso nuevo (usan lastmod dinámico)
private static readonly (string Path, string Priority, string ChangeFreq)[] DynamicDateRoutes =
[
("/", "1.0", "daily"),
("/explorar", "0.8", "daily"),
("/publicar", "0.6", "monthly"),
("/vender", "0.6", "monthly"),
("/condiciones","0.3", "yearly"),
("/", "1.0", "daily"),
("/explorar", "0.8", "daily"),
];
// Rutas estáticas cuyo contenido rara vez cambia (sin lastmod para no mentirle a Google)
private static readonly (string Path, string Priority, string ChangeFreq)[] FixedRoutes =
[
("/publicar", "0.6", "monthly"),
("/vender", "0.6", "monthly"),
("/condiciones", "0.3", "yearly"),
];
public SitemapGeneratorService(IServiceProvider serviceProvider, ILogger<SitemapGeneratorService> logger)
@@ -77,27 +82,42 @@ public class SitemapGeneratorService : BackgroundService
.Select(a => new { a.AdID, a.PublishedAt })
.ToListAsync();
var now = DateTime.UtcNow.ToString("yyyy-MM-dd");
// Fecha del aviso más reciente (para rutas cuyo contenido cambia con nuevos avisos)
var latestPublished = activeAds
.Where(a => a.PublishedAt.HasValue)
.Max(a => a.PublishedAt)
?.ToString("yyyy-MM-dd") ?? DateTime.UtcNow.ToString("yyyy-MM-dd");
var sb = new StringBuilder();
sb.AppendLine("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
sb.AppendLine("<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">");
// 1. Rutas estáticas
foreach (var (path, priority, changeFreq) in StaticRoutes)
// 1. Rutas cuyo contenido cambia con cada aviso nuevo (/, /explorar)
foreach (var (path, priority, changeFreq) in DynamicDateRoutes)
{
sb.AppendLine(" <url>");
sb.AppendLine($" <loc>{BaseUrl}{path}</loc>");
sb.AppendLine($" <lastmod>{now}</lastmod>");
sb.AppendLine($" <lastmod>{latestPublished}</lastmod>");
sb.AppendLine($" <changefreq>{changeFreq}</changefreq>");
sb.AppendLine($" <priority>{priority}</priority>");
sb.AppendLine(" </url>");
}
// 2. Rutas dinámicas (vehículos activos)
// 2. Rutas fijas (sin lastmod — no mentirle a Google)
foreach (var (path, priority, changeFreq) in FixedRoutes)
{
sb.AppendLine(" <url>");
sb.AppendLine($" <loc>{BaseUrl}{path}</loc>");
sb.AppendLine($" <changefreq>{changeFreq}</changefreq>");
sb.AppendLine($" <priority>{priority}</priority>");
sb.AppendLine(" </url>");
}
// 3. Rutas dinámicas (vehículos activos — lastmod = fecha de publicación real)
foreach (var ad in activeAds)
{
var lastmod = ad.PublishedAt?.ToString("yyyy-MM-dd") ?? now;
var lastmod = ad.PublishedAt?.ToString("yyyy-MM-dd") ?? latestPublished;
sb.AppendLine(" <url>");
sb.AppendLine($" <loc>{BaseUrl}/vehiculo/{ad.AdID}</loc>");
@@ -120,8 +140,8 @@ public class SitemapGeneratorService : BackgroundService
await File.WriteAllTextAsync(tempPath, sb.ToString(), Encoding.UTF8);
File.Move(tempPath, outputPath, overwrite: true);
var totalUrls = StaticRoutes.Length + activeAds.Count;
var totalUrls = DynamicDateRoutes.Length + FixedRoutes.Length + activeAds.Count;
_logger.LogInformation("Sitemap generado con {TotalUrls} URLs ({StaticCount} estáticas + {DynamicCount} vehículos). Archivo: {Path}",
totalUrls, StaticRoutes.Length, activeAds.Count, outputPath);
totalUrls, DynamicDateRoutes.Length + FixedRoutes.Length, activeAds.Count, outputPath);
}
}