WIP

Database/Core/DDL/SetupOutbox.cs

@@ -1,115 +0,0 @@
-using Insight.Database;
-using System.Data;
-using PlanTempus.Core.Database.ConnectionFactory;
-
-namespace PlanTempus.Database.Core.DDL;
-
-/// <summary>
-/// Sets up the outbox table for reliable message delivery (transactional outbox pattern).
-/// Messages are inserted in the same transaction as the business operation,
-/// then processed asynchronously by a background worker.
-/// </summary>
-public class SetupOutbox(IDbConnectionFactory connectionFactory) : IDbConfigure<SetupOutbox.Command>
-{
-	public class Command
-	{
-		public required string Schema { get; init; }
-	}
-
-	private Command _command;
-
-	public void With(Command command, ConnectionStringParameters parameters = null)
-	{
-		_command = command;
-
-		using var conn = parameters is null ? connectionFactory.Create() : connectionFactory.Create(parameters);
-		using var transaction = conn.OpenWithTransaction();
-
-		try
-		{
-			CreateOutboxTable(conn);
-			CreateOutboxIndexes(conn);
-			CreateNotifyTrigger(conn);
-
-			transaction.Commit();
-		}
-		catch (Exception ex)
-		{
-			transaction.Rollback();
-			throw new InvalidOperationException("Failed to SetupOutbox. Transaction is rolled back", ex);
-		}
-	}
-
-	/// <summary>
-	/// Creates the outbox table for storing pending messages
-	/// </summary>
-	void CreateOutboxTable(IDbConnection db)
-	{
-		var sql = @$"
-			CREATE TABLE IF NOT EXISTS {_command.Schema}.outbox (
-				id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
-				type VARCHAR(50) NOT NULL,
-				payload JSONB NOT NULL,
-				status VARCHAR(20) NOT NULL DEFAULT 'pending',
-				created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
-				processed_at TIMESTAMPTZ NULL,
-				retry_count INT NOT NULL DEFAULT 0,
-				error_message TEXT NULL,
-				CONSTRAINT chk_outbox_status CHECK (status IN ('pending', 'processing', 'sent', 'failed'))
-			);
-
-			COMMENT ON TABLE {_command.Schema}.outbox IS 'Transactional outbox for reliable message delivery';
-			COMMENT ON COLUMN {_command.Schema}.outbox.type IS 'Message type (e.g. verification_email, welcome_email)';
-			COMMENT ON COLUMN {_command.Schema}.outbox.payload IS 'JSON payload with message-specific data';
-			COMMENT ON COLUMN {_command.Schema}.outbox.status IS 'pending -> processing -> sent/failed';
-		";
-
-		db.ExecuteSql(sql);
-	}
-
-	/// <summary>
-	/// Creates indexes for efficient polling of pending messages
-	/// </summary>
-	void CreateOutboxIndexes(IDbConnection db)
-	{
-		var sql = @$"
-			CREATE INDEX IF NOT EXISTS idx_outbox_pending
-				ON {_command.Schema}.outbox(created_at)
-				WHERE status = 'pending';
-
-			CREATE INDEX IF NOT EXISTS idx_outbox_failed_retry
-				ON {_command.Schema}.outbox(created_at)
-				WHERE status = 'failed' AND retry_count < 5;
-		";
-
-		db.ExecuteSql(sql);
-	}
-
-	/// <summary>
-	/// Creates a trigger that sends a NOTIFY when new messages are inserted
-	/// </summary>
-	void CreateNotifyTrigger(IDbConnection db)
-	{
-		var sql = @$"
-			CREATE OR REPLACE FUNCTION {_command.Schema}.notify_outbox_insert()
-			RETURNS TRIGGER AS $$
-			BEGIN
-				PERFORM pg_notify('outbox_messages', json_build_object(
-					'id', NEW.id,
-					'type', NEW.type
-				)::text);
-				RETURN NEW;
-			END;
-			$$ LANGUAGE plpgsql;
-
-			DROP TRIGGER IF EXISTS trg_outbox_notify ON {_command.Schema}.outbox;
-
-			CREATE TRIGGER trg_outbox_notify
-				AFTER INSERT ON {_command.Schema}.outbox
-				FOR EACH ROW
-				EXECUTE FUNCTION {_command.Schema}.notify_outbox_insert();
-		";
-
-		db.ExecuteSql(sql);
-	}
-}