/// <summary>
/// Removes the requested tag item mapping for the specified tag and item
/// </summary>
/// <param name="item">Item for which to remove the tag mapping</param>
/// <param name="tag">Tag for which to remove the mapping</param>
public void RemoveTagMapping(Item item, Tag tag)
{
// find the mapping
TagItemMapping tim = (from t in context.TagItemMappingCollection
where t.ItemID == item.ID && t.TagID == tag.ID
select t).FirstOrDefault();
if (tim != default(TagItemMapping))
{
// delete it from the context.
context.DeleteTagItemMapping(tim);
}
}
/// <summary>
/// Adds a new tag to item mapping.
/// </summary>
/// <param name="item">Item to which a tag is being mapped</param>
/// <param name="tag">Tag to which an item is being mapped</param>
public void AddTagMapping(Item item, Tag tag)
{
// Here we ensure that the referential integrity is correct.
// In the UI, there is no way to add a duplicate mapping, so
// uniqueness is insured. Other applications may have to do
// an explicit check here.
TagItemMapping tim = new TagItemMapping()
{
ItemID = item.ID,
TagID = tag.ID,
UserID = UserID
};
context.AddTagItemMapping(tim);
}
public void DeleteTagItemMapping(TagItemMapping entity) {
base.DeleteItem<TagItemMapping>(entity);
}
public void AddTagItemMapping(TagItemMapping entity) {
base.AddItem<TagItemMapping>(entity);
}
public void DeleteTagItemMapping(TagItemMapping entity)
{
base.DeleteItem <TagItemMapping>(entity);
}
public void AddTagItemMapping(TagItemMapping entity)
{
base.AddItem <TagItemMapping>(entity);
}
