Add multiple terminals per task and saved commands that start one

internal/store/migrations/087-add-saved-commands.sql

@@ -0,0 +1,7 @@
+CREATE TABLE saved_commands (
+	id TEXT PRIMARY KEY,
+	owner TEXT NOT NULL REFERENCES users(login),
+	name TEXT NOT NULL,
+	command TEXT NOT NULL
+);
+CREATE INDEX saved_commands_owner ON saved_commands(owner, name);

internal/store/savedcommands.go

@@ -0,0 +1,83 @@
+package store
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"fmt"
+
+	"g.fc.run/ai/byre/internal/api"
+	"g.fc.run/ai/byre/internal/ids"
+)
+
+func (s *Store) SavedCommands(ctx context.Context, owner string) ([]api.SavedCommand, error) {
+	rows, err := s.db.QueryContext(ctx, `SELECT id, name, command FROM saved_commands WHERE owner = ? ORDER BY name, id`, owner)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	cmds := []api.SavedCommand{}
+	for rows.Next() {
+		c := api.SavedCommand{}
+		err = rows.Scan(&c.Id, &c.Name, &c.Command)
+		if err != nil {
+			return nil, err
+		}
+		cmds = append(cmds, c)
+	}
+	return cmds, rows.Err()
+}
+
+func (s *Store) SavedCommand(ctx context.Context, owner, id string) (api.SavedCommand, error) {
+	c := api.SavedCommand{Id: id}
+	err := s.db.QueryRowContext(ctx, `SELECT name, command FROM saved_commands WHERE id = ? AND owner = ?`, id, owner).Scan(&c.Name, &c.Command)
+	if errors.Is(err, sql.ErrNoRows) {
+		return c, fmt.Errorf("saved command %s: %w", id, ErrNotFound)
+	}
+	return c, err
+}
+
+func (s *Store) SaveSavedCommand(ctx context.Context, owner, id, name, command, actor string) (api.SavedCommand, error) {
+	c := api.SavedCommand{Id: id, Name: name, Command: command}
+	err := s.write(ctx, func(tx *sql.Tx, emit emitFunc) error {
+		if id == "" {
+			c.Id = ids.New(ids.SavedCommand)
+			_, err := tx.ExecContext(ctx, `INSERT INTO saved_commands (id, owner, name, command) VALUES (?, ?, ?, ?)`, c.Id, owner, name, command)
+			if err != nil {
+				return err
+			}
+		} else {
+			res, err := tx.ExecContext(ctx, `UPDATE saved_commands SET name = ?, command = ? WHERE id = ? AND owner = ?`, name, command, id, owner)
+			if err != nil {
+				return err
+			}
+			n, err := res.RowsAffected()
+			if err != nil {
+				return err
+			}
+			if n == 0 {
+				return fmt.Errorf("saved command %s: %w", id, ErrNotFound)
+			}
+		}
+		return emit(api.Event{Kind: "command.saved", Owner: &owner, Actor: actor, Payload: ToPayload(c)})
+	})
+	return c, err
+}
+
+func (s *Store) DeleteSavedCommand(ctx context.Context, owner, id, actor string) error {
+	return s.write(ctx, func(tx *sql.Tx, emit emitFunc) error {
+		res, err := tx.ExecContext(ctx, `DELETE FROM saved_commands WHERE id = ? AND owner = ?`, id, owner)
+		if err != nil {
+			return err
+		}
+		n, err := res.RowsAffected()
+		if err != nil {
+			return err
+		}
+		if n == 0 {
+			return fmt.Errorf("saved command %s: %w", id, ErrNotFound)
+		}
+		return emit(api.Event{Kind: "command.deleted", Owner: &owner, Actor: actor, Payload: map[string]any{"id": id}})
+	})
+}