63 lines
1.8 KiB
C#
63 lines
1.8 KiB
C#
using MySqlConnector;
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var builder = WebApplication.CreateBuilder(args);
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string password = File.ReadAllText("/run/secrets/db-password");
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string connectionString = $"server=db;user=root;database=example;port=3306;password={password}";
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builder.Services.AddTransient<MySqlConnection>((_provider) => new MySqlConnection(connectionString));
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var app = builder.Build();
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app.MapGet("/", (MySqlConnection connection) => {
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var titles = new List<string>();
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try
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{
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Console.WriteLine("Connecting to MySQL...");
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connection.Open();
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string sql = "SELECT title FROM blog";
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using var cmd = new MySqlCommand(sql, connection);
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using MySqlDataReader reader = cmd.ExecuteReader();
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while (reader.Read())
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{
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titles.Add(reader.GetString(0));
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}
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reader.Close();
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}
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catch (Exception ex)
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{
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return Results.Problem(detail: ex.ToString());
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}
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connection.Close();
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return Results.Ok(titles);
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});
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Prepare(connectionString);
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app.Run();
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void Prepare(string connectionString)
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{
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using MySqlConnection connection = new MySqlConnection(connectionString);
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connection.Open();
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using var transation = connection.BeginTransaction();
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using MySqlCommand cmd1 = new MySqlCommand("DROP TABLE IF EXISTS blog", connection, transation);
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cmd1.ExecuteNonQuery();
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using MySqlCommand cmd2 = new MySqlCommand("CREATE TABLE IF NOT EXISTS blog (id int NOT NULL AUTO_INCREMENT, title varchar(255), PRIMARY KEY (id))", connection, transation);
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cmd2.ExecuteNonQuery();
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for (int i = 0; i < 5; i++)
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{
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using MySqlCommand insertCommand = new MySqlCommand( $"INSERT INTO blog (title) VALUES ('Blog post #{i}');", connection, transation);
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insertCommand.ExecuteNonQuery();
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}
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transation.Commit();
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connection.Close();
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}
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