initial commit

2026-08-04 14:41:21 +03:00
parent 3cb8fcde60
commit 1a1d6186d8
101 changed files with 23239 additions and 0 deletions
--- a/Data/BookListData.cs
+++ b/Data/BookListData.cs
@@ -0,0 +1,108 @@
+using System.Collections;
+using Microsoft.Data.SqlClient;
+
+namespace Library;
+
+public class BookListData : IEnumerable<BookData>
+{
+	private readonly List<BookData> m_Elements = new( );
+
+	public IEnumerator<BookData> GetEnumerator( )
+	{
+		return m_Elements.GetEnumerator( );
+	}
+
+	IEnumerator IEnumerable.GetEnumerator( )
+	{
+		return m_Elements.GetEnumerator( );
+	}
+
+	static public int GetCategoryCount( SqlConnection connection , int category_id )
+	{
+		return new SQLBuilder( connection , @"SELECT count(*) FROM v_repository WHERE category_id=@category and include_category_id=@category" )
+			.AddParameter( "@category" , category_id )
+			.ExecuteAndReadInteger( 0 );
+	}
+
+	public static int GetTotalSearchCount( SqlConnection connection , string term )
+	{
+		return new SQLBuilder( connection , "SELECT count(*) FROM v_repository_search" )
+			.AddLike( "search_index" , term )
+			.ExecuteAndReadInteger( 0 );
+	}
+
+	public void LoadSearch( SqlConnection connection , string term , int page , int items_per_page )
+	{
+		using SqlDataReader reader = new SQLBuilder( connection , "SELECT * FROM v_repository_search" , "title" )
+			.AddLike( "search_index" , term )
+			.SetPaging( page , items_per_page )
+			.ExecuteReader( );
+
+		while ( reader.Read( ) )
+		{
+			BookData book = new( )
+			{
+				ID = reader.Int( "id" ) ,
+				UUID = reader.StringSafe( "uuid" ) ,
+				CategoryID = reader.Int( "category_id" ) ,
+				CategoryName = reader.StringSafe( "category_name" ) ,
+				BookTypeID = reader.Int( "book_type_id" ) ,
+				BookTypeName = reader.StringSafe( "book_type_name" ) ,
+				Title = reader.StringSafe( "title" ) ,
+				Author = reader.StringSafe( "author" ) ,
+				Access = reader.StringSafe( "access" ) ,
+				Keywords = reader.StringSafe( "keywords" ) ,
+/*				Publisher = reader.StringSafe( "publisher" ) ,
+				PublishYear = reader.StringSafe( "publish_year" ) ,
+				Keywords = reader.StringSafe( "keywords" ) ,
+				Description = reader.StringSafe( "description" ) ,
+				CreateDate = reader.DateTime( "create_date" ) ,
+				Opisanie = reader.StringSafe( "opisanie" ) ,
+				KodDrugi = reader.StringSafe( "koddrugi" ) ,
+*/
+			};
+			m_Elements.Add( book );
+		}
+	}
+
+
+	public void LoadCategory( SqlConnection connection , int category_id , int page , int books_per_page )
+	{
+		using SqlDataReader reader = new SQLBuilder( connection ,
+		//	"select * from v_repository where include_category_id=category_id"
+			@"SELECT * FROM v_repository 
+			WHERE category_id=@category and include_category_id=@category
+			ORDER BY sort, title
+			OFFSET @offset ROWS
+			FETCH NEXT @rows ROWS ONLY"
+			)
+			.AddParameter( "@category" , category_id )
+			.AddParameter( "@offset" , page * books_per_page )
+			.AddParameter( "@rows" , books_per_page )
+			.ExecuteReader( );
+
+		while ( reader.Read( ) )
+		{
+			BookData book = new( )
+			{
+				ID = reader.Int( "id" ) ,
+				UUID = reader.StringSafe( "uuid" ) ,
+				CategoryID = reader.Int( "category_id" ) ,
+				CategoryName = reader.StringSafe( "category_name" ) ,
+				BookTypeID = reader.Int( "book_type_id" ) ,
+				BookTypeName = reader.StringSafe( "book_type_name" ) ,
+				Title = reader.StringSafe( "title" ) ,
+				Author = reader.StringSafe( "author" ) ,
+				Access = reader.StringSafe( "access" ) ,
+/*				Publisher = reader.StringSafe( "publisher" ) ,
+				PublishYear = reader.StringSafe( "publish_year" ) ,
+				Keywords = reader.StringSafe( "keywords" ) ,
+				Description = reader.StringSafe( "description" ) ,
+				CreateDate = reader.DateTime( "create_date" ) ,
+				Opisanie = reader.StringSafe( "opisanie" ) ,
+				KodDrugi = reader.StringSafe( "koddrugi" ) , */
+			};
+			m_Elements.Add( book );
+		}
+	}
+}