/// <summary>
/// Generate the collection of tags specified for the item
/// </summary>
private void GenerateTagsCollection()
{
// The query joins between the tag item mapping and tags based on
// the user id
var query = from m in context.TagItemMappingCollection
where m.ItemID == item.ID
join t in context.TagCollection on m.TagID equals t.ID
orderby t.Name
select t;
// Create the dynamic query to handle changes in either collection
tags = new DynamicQuery <Tag>(
query,
(INotifyCollectionChanged)context.TagItemMappingCollection,
(INotifyCollectionChanged)context.TagCollection);
// Update the dictionary of used tags
UpdateUsedTags(from m in context.TagItemMappingCollection
where m.ItemID == item.ID
select m);
}
private ContextModel()
{
UserID = Guid.Empty;
userTags = null;
LoadUserID();
}
/// <summary>
/// Takes the tag id and the number of items associated with the tag
/// </summary>
/// <param name="tagId"></param>
/// <param name="count"></param>
public ModelTag(int tagId, int count)
{
this.tagId = tagId;
this.count = count;
items = null;
}
