/// <summary>
/// Check if a User exist in the system
/// </summary>
/// <param name="source"></param>
/// <param name="userEmail"></param>
/// <returns></returns>
public static bool UserExist(this CalDavContext source, string userEmail)
{
return((
from user in source.Users
where user.Email == userEmail
select user).Any());
}
/// <summary>
/// </summary>
/// <param name="source"></param>
/// <param name="userEmail">The email of the calendarResource's user.</param>
/// <param name="collectionName">The collection where is the resource</param>
/// <param name="calResource">the name of the resource</param>
/// <returns>return a calendar resource by the given name.</returns>
public static CalendarResource GetCalendarResource(this CalDavContext source, string userEmail,
string collectionName, string calResource)
{
return(source.GetCollection(userEmail, collectionName)
.Calendarresources
.First(cr => cr.Href == calResource));
}
/// <summary>
/// return a User for a given name
/// </summary>
/// <param name="source"></param>
/// <param name="userEmail"></param>
/// <returns></returns>
public static User GetUser(this CalDavContext source, string userEmail)
{
try
{
return(source.Users.First(u => u.Email == userEmail));
}
catch (Exception)
{
return(null);
}
}
/// <summary>
/// return a collection for a given user and collectionName
/// </summary>
/// <param name="source"></param>
/// <param name="userEmail"></param>
/// <param name="collectionName"></param>
/// <returns></returns>
public static CalendarCollection GetCollection(this CalDavContext source, string userEmail,
string collectionName)
{
try
{
return(source.GetUser(userEmail).CalendarCollections.First(cl => cl.Name == collectionName));
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// Check if a collection exist in the system.
/// </summary>
/// <param name="source"></param>
/// <param name="userEmail"></param>
/// <param name="collectionName"></param>
/// <returns></returns>
public static bool CollectionExist(this CalDavContext source, string userEmail, string collectionName)
{
if (!UserExist(source, userEmail))
{
return(false);
}
return((
from collection in GetUser(source, userEmail).CalendarCollections
where collection.Name == collectionName
select collection
).Any());
}
/// <summary>
/// Check if a CalendarResource Exist
/// </summary>
/// <param name="source"></param>
/// <param name="userEmail"></param>
/// <param name="collectionName"></param>
/// <param name="calResource"></param>
/// <returns></returns>
public static bool CalendarResourceExist(this CalDavContext source, string userEmail, string collectionName,
string calResource)
{
if (!CollectionExist(source, userEmail, collectionName))
{
return(false);
}
return((
from resource in GetCollection(source, userEmail, collectionName).Calendarresources
where resource.Href == calResource
select resource
).Any());
}
