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feat: team4 added select author and publisher

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SkajpCZ 2025-11-10 11:39:10 +01:00
parent 335e464055
commit 4a7491756a
1 changed files with 70 additions and 0 deletions
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70
src/team4.cs
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@ -250,6 +250,76 @@ namespace Team4
throw;
}
}
public static List<Dictionary<int, string[]>> GetAuthorNameId(SqliteConnection conn)
{
try
{
using (var command = conn.CreateCommand())
{
command.CommandText = @"
SELECT author.ID, author.Name, author.Surname
FROM Authors author";
var authors = new List<Dictionary<int, string[]>>();
using (var reader = command.ExecuteReader())
{
while (reader.Read())
{
int id = reader.GetInt32(0);
string name = reader.IsDBNull(1) ? "" : reader.GetString(1);
string surname = reader.IsDBNull(2) ? "" : reader.GetString(2);
authors.Add(new Dictionary<int, string[]>
{
{ id, new[] { name, surname } }
});
}
}
return authors;
}
}
catch (Exception ex)
{
Console.WriteLine($"Error in GetAuthorNameId: {ex.Message}");
throw;
}
}
public static List<Dictionary<int, string>> GetPublisherNameId(SqliteConnection conn)
{
try
{
using (var command = conn.CreateCommand())
{
command.CommandText = @"
SELECT publisher.ID, publisher.Name
FROM Publisher publisher";
var publishers = new List<Dictionary<int, string>>();
using (var reader = command.ExecuteReader())
{
while (reader.Read())
{
int id = reader.GetInt32(0);
string name = reader.IsDBNull(1) ? "" : reader.GetString(1);
publishers.Add(new Dictionary<int, string>
{
{ id, name }
});
}
}
return publishers;
}
}
catch (Exception ex)
{
Console.WriteLine($"Error in GetAuthorNameId: {ex.Message}");
throw;
}
}
public static void GetBooksBy(SqliteConnection conn)
{