/// <summary>
/// Creates a new instance of <see cref="SitemapItem"/>
/// </summary>
/// <param name="url">URL of the page. Optional.</param>
/// <param name="lastModified">The date of last modification of the file. Optional.</param>
/// <param name="changeFrequency">How frequently the page is likely to change. Optional.</param>
/// <param name="priority">The priority of this URL relative to other URLs on your site. Valid values range from 0.0 to 1.0. Optional.</param>
/// <exception cref="System.ArgumentNullException">If the <paramref name="url"/> is null or empty.</exception>
public SitemapItem(string url, DateTime? lastModified = null, SitemapChangeFrequency? changeFrequency = null, double? priority = null)
{
Url = url;
LastModified = lastModified;
ChangeFrequency = changeFrequency;
Priority = priority;
}
/// <summary>
/// Creates a new instance of <see cref="SitemapItem"/>
/// </summary>
/// <param name="url">URL of the page. Optional.</param>
/// <param name="lastModified">The date of last modification of the file. Optional.</param>
/// <param name="changeFrequency">How frequently the page is likely to change. Optional.</param>
/// <param name="priority">The priority of this URL relative to other URLs on your site. Valid values range from 0.0 to 1.0. Optional.</param>
/// <exception cref="System.ArgumentNullException">If the <paramref name="url"/> is null or empty.</exception>
public SitemapItem(string url, DateTime? lastModified = null, SitemapChangeFrequency? changeFrequency = null, double? priority = null)
{
Ensure.Argument.NotNullOrEmpty(url, "url");
Url = url;
LastModified = lastModified;
ChangeFrequency = changeFrequency;
Priority = priority;
}
/// <summary>
/// Creates a new instance of <see cref="SitemapItem"/>
/// </summary>
/// <param name="url">URL of the page. Optional.</param>
/// <param name="lastModified">The date of last modification of the file. Optional.</param>
/// <param name="changeFrequency">How frequently the page is likely to change. Optional.</param>
/// <param name="priority">The priority of this URL relative to other URLs on your site. Valid values range from 0.0 to 1.0. Optional.</param>
/// <exception cref="System.ArgumentNullException">If the <paramref name="url"/> is null or empty.</exception>
public SitemapItem(string url, DateTime? lastModified = null, SitemapChangeFrequency? changeFrequency = null, double? priority = null)
{
if (url == null)
throw new ArgumentNullException("url");
Url = url;
LastModified = lastModified;
ChangeFrequency = changeFrequency;
Priority = priority;
}
/// <summary>
/// Creates a new instance of <see cref="SitemapItem"/>
/// </summary>
/// <param name="url">URL of the page. Optional.</param>
/// <param name="lastModified">The date of last modification of the file. Optional.</param>
/// <param name="changeFrequency">How frequently the page is likely to change. Optional.</param>
/// <param name="priority">The priority of this URL relative to other URLs on your site. Valid values range from 0.0 to 1.0. Optional.</param>
/// <exception cref="System.ArgumentNullException">If the <paramref name="url"/> is null or empty.</exception>
public SitemapItem(string url, DateTime? lastModified = null, SitemapChangeFrequency? changeFrequency = null, double? priority = null)
{
if (url == null)
{
throw new NullReferenceException("GenerateSiteMap");
}
Url = url;
LastModified = lastModified;
ChangeFrequency = changeFrequency;
Priority = priority;
}
/// <summary>
/// Constructor for items with priority and last modified date
/// </summary>
/// <param name="location">Partial or full uri</param>
/// <param name="changeFrequency">Change frequency</param>
/// <param name="priority">Priority for item compared to other items</param>
/// <param name="lastModified">Date and time last modified</param>
public SitemapItem(Uri location, SitemapChangeFrequency changeFrequency, decimal?priority, DateTime?lastModified)
{
Location = location ?? throw new ArgumentNullException(nameof(location));
ChangeFrequency = changeFrequency;
if (priority.HasValue && (priority < 0.0m || priority > 1.0m))
{
throw new ArgumentOutOfRangeException(nameof(priority));
}
Priority = priority ?? 0.5m;
LastModified = lastModified;
}
public static SitemapItem ParseSitemapItemFields(Uri baseUri, string location, string lastModified = null, string changeFrequency = null, string priority = null)
{
if (string.IsNullOrEmpty(location))
{
return(null);
}
Uri parsedLocation = SafeUriParse(baseUri, location);
if (parsedLocation == null)
{
return(null);
}
DateTime?parsedLastModified = SafeDateTimeParse(lastModified);
SitemapChangeFrequency?parsedChangeFrequency = null;
SitemapChangeFrequency triedChangeFrequency;
if (SitemapChangeFrequency.TryParse(changeFrequency, true, out triedChangeFrequency))
{
parsedChangeFrequency = triedChangeFrequency;
}
double?parsedPriority = null;
double triedPriority;
if (double.TryParse(priority, out triedPriority))
{
triedPriority = Math.Max(0.0, triedPriority);
triedPriority = Math.Min(1.0, triedPriority);
parsedPriority = triedPriority;
}
return(new SitemapItem(parsedLocation, parsedLastModified, parsedChangeFrequency, parsedPriority));
}
public static IQueryable<SitemapEntry> ChangeFrequency(this IQueryable<SitemapEntry> entries, SitemapChangeFrequency changeFrequency)
{
Assertion.NotNull(entries);
return entries.Where(it => it.ChangeFrequency == changeFrequency);
}
public SEOAttribute(SitemapChangeFrequency Frequency = SitemapChangeFrequency.Always, double Priority = 0.5)
{
this.Frequency = Frequency;
this.Priority = Priority;
}
/// <summary>
/// Constructor for item with no last modified date
/// </summary>
/// <param name="location">Partial or full uri</param>
/// <param name="changeFrequency">Change frequency</param>
/// <param name="priority">Priority for item compared to other items</param>
public SitemapItem(Uri location, SitemapChangeFrequency changeFrequency, decimal priority)
: this(location, changeFrequency, priority, null)
{
}
/// <summary>
/// Constructor for item with no priority
/// </summary>
/// <param name="location">Partial or full uri</param>
/// <param name="changeFrequency">Change frequency</param>
/// <param name="lastModified">Date and time last modified</param>
public SitemapItem(Uri location, SitemapChangeFrequency changeFrequency, DateTime lastModified)
: this(location, changeFrequency, null, lastModified)
{
}
/// <summary>
/// Constructor for item with no priority or modification date
/// </summary>
/// <param name="location">Partial or full uri</param>
/// <param name="changeFrequency">Change frequency</param>
public SitemapItem(Uri location, SitemapChangeFrequency changeFrequency)
: this(location, changeFrequency, null, null)
{
}
public static string GetName(this SitemapChangeFrequency frequency)
{
return(Enum.GetName(typeof(SitemapChangeFrequency), frequency)?.ToLower());
}
public SitemapInfo(string location, DateTime lastModification, SitemapChangeFrequency changeFrequency, SitemapPriority priority)
{
this.Location = location;
this.LastModification = lastModification;
this.ChangeFrequency = changeFrequency;
this.Priority = priority;
}
