/// <summary>
/// Tells whether the given user is allowed to change visibility of the current snippet
/// </summary>
/// <param name="user"></param>
/// <param name="toChangeGroupOrUnshare">true if this method is used to check if the user is able to change the group or unshare the snippet</param>
/// <returns></returns>
public bool IsAllowedToChangeVisibility(User user, bool toChangeGroupOrUnshare = false)
{
if (user == null)
return false;
if (toChangeGroupOrUnshare)
return (CreatorID == user.ID) && user.BelongsToGroup(OwnerGroupID); //the user should be the creator and belong to the owner group
else
return user.AdministerGroup(OwnerGroupID); //the user should be an admin of the group that owns the snippet
}
/// <summary>
/// Tells whether the given user is allowed to modify the content of the current snippet and/or to delete it
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public bool IsAllowedToEdit(User user)
{
if (user == null)
return false;
//the user should be an admin of the group that owns the snippet:
if (user.AdministerGroup(OwnerGroupID))
return true;
//or can be a simple user, if he is the creator of the snippet:
return ((user.ID == CreatorID) && user.BelongsToGroup(OwnerGroupID));
}
/// <summary>
/// Tells whether the given user is allowed to view the content of the current snippet
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public bool IsAllowedToView(User user)
{
if (Visibility >= ShareOption.Public)
return true;
if (user == null)
return false;
return user.BelongsToGroup(OwnerGroupID);
}