fix: namespace Team3
This commit is contained in:
parent
17f4c10602
commit
10fdfebcb3
423
src/team3.cs
423
src/team3.cs
@ -2,282 +2,285 @@ using System;
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using Microsoft.Data.Sqlite;
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using Database.Dto;
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class EditRecords
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namespace Team3
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{
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public static AuthorDto? EditAuthor(SqliteConnection connection, AuthorDto author)
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class EditRecords
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{
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using (var command = new SqliteCommand())
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public static AuthorDto? EditAuthor(SqliteConnection connection, AuthorDto author)
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{
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command.Connection = connection;
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try
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using (var command = new SqliteCommand())
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{
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// Check if author exists
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command.CommandText = "SELECT 1 FROM Authors WHERE ID = @id;";
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command.Parameters.AddWithValue("@id", author.Id);
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using (var reader = command.ExecuteReader())
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command.Connection = connection;
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try
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{
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if (!reader.HasRows)
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// Check if author exists
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command.CommandText = "SELECT 1 FROM Authors WHERE ID = @id;";
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command.Parameters.AddWithValue("@id", author.Id);
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using (var reader = command.ExecuteReader())
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{
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Console.WriteLine($"Author with ID {author.Id} does not exist.");
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return null;
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if (!reader.HasRows)
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{
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Console.WriteLine($"Author with ID {author.Id} does not exist.");
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return null;
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}
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}
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}
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// Update author
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command.CommandText = @"UPDATE Authors
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// Update author
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command.CommandText = @"UPDATE Authors
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SET Name = @name, Surname = @surname, DateOfBirth = @dob
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WHERE ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@name", author.Name);
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command.Parameters.AddWithValue("@surname", author.Surname);
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command.Parameters.AddWithValue("@dob", author.DateOfBirth.ToString("yyyy-MM-dd"));
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command.Parameters.AddWithValue("@id", author.Id);
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command.ExecuteNonQuery();
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@name", author.Name);
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command.Parameters.AddWithValue("@surname", author.Surname);
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command.Parameters.AddWithValue("@dob", author.DateOfBirth.ToString("yyyy-MM-dd"));
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command.Parameters.AddWithValue("@id", author.Id);
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command.ExecuteNonQuery();
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// Retrieve updated author
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command.CommandText = "SELECT ID, Name, Surname, DateOfBirth FROM Authors WHERE ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@id", author.Id);
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using (var reader = command.ExecuteReader())
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{
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if (reader.Read())
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// Retrieve updated author
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command.CommandText = "SELECT ID, Name, Surname, DateOfBirth FROM Authors WHERE ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@id", author.Id);
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using (var reader = command.ExecuteReader())
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{
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var updatedAuthor = new AuthorDto
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if (reader.Read())
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{
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Id = reader.GetInt32(0),
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Name = reader.GetString(1),
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Surname = reader.GetString(2),
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DateOfBirth = DateTime.Parse(reader.GetString(3))
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};
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Console.WriteLine("Author updated successfully.");
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return updatedAuthor;
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var updatedAuthor = new AuthorDto
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{
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Id = reader.GetInt32(0),
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Name = reader.GetString(1),
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Surname = reader.GetString(2),
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DateOfBirth = DateTime.Parse(reader.GetString(3))
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};
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Console.WriteLine("Author updated successfully.");
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return updatedAuthor;
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}
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"EditAuthor failed: {ex.Message}");
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}
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}
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return null;
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}
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public static Publisher? EditPublisher(SqliteConnection connection, Publisher publisher)
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{
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using (var command = new SqliteCommand())
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{
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command.Connection = connection;
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try
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{
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// Check if publisher exists
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command.CommandText = "SELECT 1 FROM Publisher WHERE ID = @id;";
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command.Parameters.AddWithValue("@id", publisher.Id);
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using (var reader = command.ExecuteReader())
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catch (Exception ex)
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{
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if (!reader.HasRows)
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{
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Console.WriteLine($"Publisher with ID {publisher.Id} does not exist.");
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return null;
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}
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Console.WriteLine($"EditAuthor failed: {ex.Message}");
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}
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}
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return null;
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}
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// Update publisher
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command.CommandText = @"UPDATE Publisher
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public static Publisher? EditPublisher(SqliteConnection connection, Publisher publisher)
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{
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using (var command = new SqliteCommand())
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{
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command.Connection = connection;
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try
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{
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// Check if publisher exists
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command.CommandText = "SELECT 1 FROM Publisher WHERE ID = @id;";
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command.Parameters.AddWithValue("@id", publisher.Id);
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using (var reader = command.ExecuteReader())
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{
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if (!reader.HasRows)
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{
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Console.WriteLine($"Publisher with ID {publisher.Id} does not exist.");
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return null;
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}
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}
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// Update publisher
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command.CommandText = @"UPDATE Publisher
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SET Name = @name, State = @state
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WHERE ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@name", publisher.Name);
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command.Parameters.AddWithValue("@state", publisher.State);
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command.Parameters.AddWithValue("@id", publisher.Id);
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command.ExecuteNonQuery();
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@name", publisher.Name);
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command.Parameters.AddWithValue("@state", publisher.State);
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command.Parameters.AddWithValue("@id", publisher.Id);
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command.ExecuteNonQuery();
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// Retrieve updated publisher
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command.CommandText = "SELECT ID, Name, State FROM Publisher WHERE ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@id", publisher.Id);
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using (var reader = command.ExecuteReader())
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{
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if (reader.Read())
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// Retrieve updated publisher
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command.CommandText = "SELECT ID, Name, State FROM Publisher WHERE ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@id", publisher.Id);
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using (var reader = command.ExecuteReader())
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{
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var updatedPublisher = new Publisher
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if (reader.Read())
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{
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Id = reader.GetInt32(0),
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Name = reader.GetString(1),
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State = reader.GetString(2)
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};
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Console.WriteLine("Publisher updated successfully.");
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return updatedPublisher;
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var updatedPublisher = new Publisher
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{
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Id = reader.GetInt32(0),
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Name = reader.GetString(1),
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State = reader.GetString(2)
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};
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Console.WriteLine("Publisher updated successfully.");
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return updatedPublisher;
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"EditPublisher failed: {ex.Message}");
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"EditPublisher failed: {ex.Message}");
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}
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return null;
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}
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return null;
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}
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public static BookDto? EditBook(SqliteConnection connection, BookDto book)
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{
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using (var command = new SqliteCommand())
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public static BookDto? EditBook(SqliteConnection connection, BookDto book)
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{
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command.Connection = connection;
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try
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using (var command = new SqliteCommand())
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{
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// Check if book exists
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command.CommandText = "SELECT 1 FROM Books WHERE ID = @id;";
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command.Parameters.AddWithValue("@id", book.Id);
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using (var reader = command.ExecuteReader())
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command.Connection = connection;
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try
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{
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if (!reader.HasRows)
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// Check if book exists
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command.CommandText = "SELECT 1 FROM Books WHERE ID = @id;";
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command.Parameters.AddWithValue("@id", book.Id);
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using (var reader = command.ExecuteReader())
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{
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Console.WriteLine($"Book with ID {book.Id} does not exist.");
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return null;
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if (!reader.HasRows)
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{
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Console.WriteLine($"Book with ID {book.Id} does not exist.");
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return null;
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}
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}
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}
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// Check if author exists
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command.CommandText = "SELECT 1 FROM Authors WHERE ID = @aid;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@aid", book.Author.Id);
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using (var reader = command.ExecuteReader())
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{
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if (!reader.HasRows)
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// Check if author exists
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command.CommandText = "SELECT 1 FROM Authors WHERE ID = @aid;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@aid", book.Author.Id);
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using (var reader = command.ExecuteReader())
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{
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Console.WriteLine($"Author with ID {book.Author.Id} does not exist.");
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return null;
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if (!reader.HasRows)
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{
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Console.WriteLine($"Author with ID {book.Author.Id} does not exist.");
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return null;
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}
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}
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}
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// Check if publisher exists
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command.CommandText = "SELECT 1 FROM Publisher WHERE ID = @pid;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@pid", book.Publisher.Id);
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using (var reader = command.ExecuteReader())
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{
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if (!reader.HasRows)
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// Check if publisher exists
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command.CommandText = "SELECT 1 FROM Publisher WHERE ID = @pid;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@pid", book.Publisher.Id);
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using (var reader = command.ExecuteReader())
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{
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Console.WriteLine($"Publisher with ID {book.Publisher.Id} does not exist.");
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return null;
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if (!reader.HasRows)
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{
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Console.WriteLine($"Publisher with ID {book.Publisher.Id} does not exist.");
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return null;
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}
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}
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}
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// Update book
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command.CommandText = @"UPDATE Books
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// Update book
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command.CommandText = @"UPDATE Books
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SET Name = @name, AuthorID = @author, PublisherID = @publisher,
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YearOfRelease = @year, Total = @total
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WHERE ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@name", book.Name);
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command.Parameters.AddWithValue("@author", book.Author.Id);
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command.Parameters.AddWithValue("@publisher", book.Publisher.Id);
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command.Parameters.AddWithValue("@year", book.YearOfRelease);
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command.Parameters.AddWithValue("@total", book.Total);
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command.Parameters.AddWithValue("@id", book.Id);
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command.ExecuteNonQuery();
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@name", book.Name);
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command.Parameters.AddWithValue("@author", book.Author.Id);
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command.Parameters.AddWithValue("@publisher", book.Publisher.Id);
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command.Parameters.AddWithValue("@year", book.YearOfRelease);
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command.Parameters.AddWithValue("@total", book.Total);
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command.Parameters.AddWithValue("@id", book.Id);
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command.ExecuteNonQuery();
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// Retrieve updated book with joins
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command.CommandText = @"SELECT b.ID, b.Name, b.YearOfRelease, b.Total,
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// Retrieve updated book with joins
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command.CommandText = @"SELECT b.ID, b.Name, b.YearOfRelease, b.Total,
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a.ID, a.Name, a.Surname, a.DateOfBirth,
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p.ID, p.Name, p.State
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FROM Books b
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JOIN Authors a ON b.AuthorID = a.ID
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JOIN Publisher p ON b.PublisherID = p.ID
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WHERE b.ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@id", book.Id);
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using (var reader = command.ExecuteReader())
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{
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if (reader.Read())
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@id", book.Id);
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using (var reader = command.ExecuteReader())
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{
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var updatedBook = new BookDto
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if (reader.Read())
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{
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Id = reader.GetInt32(0),
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Name = reader.GetString(1),
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YearOfRelease = reader.GetInt32(2),
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Total = reader.GetInt32(3),
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Author = new AuthorDto
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var updatedBook = new BookDto
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{
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Id = reader.GetInt32(4),
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Name = reader.GetString(5),
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Surname = reader.GetString(6),
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DateOfBirth = DateTime.Parse(reader.GetString(7))
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},
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Publisher = new Publisher
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{
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Id = reader.GetInt32(8),
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Name = reader.GetString(9),
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State = reader.GetString(10)
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}
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};
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Console.WriteLine("Book updated successfully.");
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return updatedBook;
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Id = reader.GetInt32(0),
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Name = reader.GetString(1),
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YearOfRelease = reader.GetInt32(2),
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Total = reader.GetInt32(3),
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Author = new AuthorDto
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{
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Id = reader.GetInt32(4),
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Name = reader.GetString(5),
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Surname = reader.GetString(6),
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DateOfBirth = DateTime.Parse(reader.GetString(7))
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},
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Publisher = new Publisher
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{
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Id = reader.GetInt32(8),
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Name = reader.GetString(9),
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State = reader.GetString(10)
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}
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};
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Console.WriteLine("Book updated successfully.");
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return updatedBook;
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}
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"EditBook failed: {ex.Message}");
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}
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}
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return null;
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}
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public static UserDto? EditUser(SqliteConnection connection, UserDto user)
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{
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using (var command = new SqliteCommand())
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{
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command.Connection = connection;
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try
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{
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// Check if user exists
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command.CommandText = "SELECT 1 FROM Users WHERE ID = @id;";
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command.Parameters.AddWithValue("@id", user.Id);
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using (var reader = command.ExecuteReader())
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catch (Exception ex)
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{
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if (!reader.HasRows)
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{
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Console.WriteLine($"User with ID {user.Id} does not exist.");
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return null;
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}
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Console.WriteLine($"EditBook failed: {ex.Message}");
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}
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}
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return null;
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}
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// Update user
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command.CommandText = @"UPDATE Users
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public static UserDto? EditUser(SqliteConnection connection, UserDto user)
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{
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using (var command = new SqliteCommand())
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{
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command.Connection = connection;
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try
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{
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// Check if user exists
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command.CommandText = "SELECT 1 FROM Users WHERE ID = @id;";
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command.Parameters.AddWithValue("@id", user.Id);
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using (var reader = command.ExecuteReader())
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{
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if (!reader.HasRows)
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{
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Console.WriteLine($"User with ID {user.Id} does not exist.");
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return null;
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}
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}
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// Update user
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command.CommandText = @"UPDATE Users
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SET Name = @name, Surname = @surname
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WHERE ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@name", user.Name);
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command.Parameters.AddWithValue("@surname", user.Surname);
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command.Parameters.AddWithValue("@id", user.Id);
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command.ExecuteNonQuery();
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@name", user.Name);
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command.Parameters.AddWithValue("@surname", user.Surname);
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command.Parameters.AddWithValue("@id", user.Id);
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command.ExecuteNonQuery();
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// Retrieve updated user
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command.CommandText = "SELECT ID, Name, Surname FROM Users WHERE ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@id", user.Id);
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using (var reader = command.ExecuteReader())
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{
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if (reader.Read())
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// Retrieve updated user
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command.CommandText = "SELECT ID, Name, Surname FROM Users WHERE ID = @id;";
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command.Parameters.Clear();
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command.Parameters.AddWithValue("@id", user.Id);
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using (var reader = command.ExecuteReader())
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{
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var updatedUser = new UserDto
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if (reader.Read())
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{
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Id = reader.GetInt32(0),
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Name = reader.GetString(1),
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Surname = reader.GetString(2)
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};
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Console.WriteLine("User updated successfully.");
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return updatedUser;
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var updatedUser = new UserDto
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{
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Id = reader.GetInt32(0),
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Name = reader.GetString(1),
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Surname = reader.GetString(2)
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};
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Console.WriteLine("User updated successfully.");
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return updatedUser;
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"EditUser failed: {ex.Message}");
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine($"EditUser failed: {ex.Message}");
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}
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return null;
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}
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return null;
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}
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}
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}
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