45 lines
1.4 KiB
C#
45 lines
1.4 KiB
C#
using Microsoft.Data.SqlClient;
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namespace Library.Models;
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public class RepositoryPageModel : BasePageModel
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{
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public BookListData Books { get; } = new( );
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public CategoryItemData CategoryData { init; get; } = null!;
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public List<CategoryItemData> CategoryPath { init; get; } = new( );
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public PagingData PagingData { init; get; } = null!;
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public RepositoryPageModel( SqlConnection? db , int category_index , int page_index )
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: base( db )
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{
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CategoryData = LookupCategoryData( category_index );
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BuildCategoryPath( CategoryTree.FindCategory( CategoryData.ParentID ) );
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Books.LoadCategory( db! , CategoryData.ID , page_index , 20 );
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int books_in_category = BookListData.GetCategoryCount( db! , category_index );
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PagingData = new PagingData( "/Repository/" + category_index + "?page=" , page_index , books_in_category , 20 );
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}
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private CategoryItemData LookupCategoryData( int category_index )
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{
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CategoryItemData? category_data = CategoryTree.FindCategory( category_index );
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if ( category_data != null )
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return category_data!;
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return CategoryTree.FindCategory( CategoryTree.GetRootID( ) )!;
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}
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private void BuildCategoryPath( CategoryItemData? item )
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{
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if ( item == null )
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return;
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CategoryItemData? parent_item = CategoryTree.FindCategory( item!.ParentID );
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if ( parent_item != null )
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BuildCategoryPath( parent_item );
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CategoryPath.Add( item! );
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}
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}
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