/// <summary>
/// Persists the tag names, if required, to the Tag table. When a tag has previously been
/// used, no action is taken because the tag already exists in that table. Additional code
/// in <see cref="MetadataTagRepository.Save(GalleryServerPro.Data.MetadataDto,System.Collections.Generic.IEnumerable{string},int)" />
/// deletes the tag if it is no longer applied to any metadata items.
/// </summary>
/// <param name="metaName">A <see cref="Business.Metadata.MetadataItemName"/> indicating the type of tag.
/// Must be either <see cref="Business.Metadata.MetadataItemName.Tags" /> or <see cref="Business.Metadata.MetadataItemName.People" />.</param>
/// <param name="tags">The tags to persist.</param>
internal void Save(Business.Metadata.MetadataItemName metaName, IEnumerable <string> tags)
{
if ((metaName != Business.Metadata.MetadataItemName.Tags) && (metaName != Business.Metadata.MetadataItemName.People))
{
return;
}
foreach (var tag in tags)
{
if (!Context.Tags.Any(t => t.TagName.Equals(tag.Trim(), StringComparison.Ordinal)))
{
Context.Tags.Add(new TagDto
{
TagName = tag.Trim()
});
}
}
Save();
}
/// <summary>
/// Persists the tag names, if required, to the Tag table. When a tag has previously been
/// used, no action is taken because the tag already exists in that table. Additional code
/// in <see cref="MetadataTagRepository.Save(MetadataDto,System.Collections.Generic.IEnumerable{string},int)" />
/// deletes the tag if it is no longer applied to any metadata items.
/// </summary>
/// <param name="metaName">A <see cref="Business.Metadata.MetadataItemName"/> indicating the type of tag.
/// Must be either <see cref="Business.Metadata.MetadataItemName.Tags" /> or <see cref="Business.Metadata.MetadataItemName.People" />.</param>
/// <param name="tags">The tags to persist.</param>
internal void Save(Business.Metadata.MetadataItemName metaName, IEnumerable <string> tags)
{
if ((metaName != Business.Metadata.MetadataItemName.Tags) && (metaName != Business.Metadata.MetadataItemName.People))
{
return;
}
// We need a lock to prevent other threads from inserting tags at the same time (which was cause a duplicate error)
lock (_sharedLock)
{
foreach (var tag in tags)
{
if (!Context.Tags.Any(t => t.TagName.Equals(tag.Trim(), StringComparison.Ordinal)))
{
Context.Tags.Add(new TagDto
{
TagName = tag.Trim()
});
}
}
Save();
}
}
