squirssi/plugin.go

package squirssi

import (
	"code.dopame.me/veonik/squircy3/event"
	"code.dopame.me/veonik/squircy3/irc"
	"code.dopame.me/veonik/squircy3/plugin"
	"code.dopame.me/veonik/squircy3/vm"
	"github.com/pkg/errors"
)

const pluginName = "squirssi"

func FromPlugins(m *plugin.Manager) (*Server, error) {
	plg, err := m.Lookup(pluginName)
	if err != nil {
		return nil, err
	}
	mplg, ok := plg.(*squirssiPlugin)
	if !ok {
		return nil, errors.Errorf("event: received unexpected plugin type %T", plg)
	}
	return mplg.server, nil
}

func Initialize(m *plugin.Manager) (plugin.Plugin, error) {
	ev, err := event.FromPlugins(m)
	if err != nil {
		return nil, errors.Wrapf(err, "%s: missing required dependency (event)", pluginName)
	}
	ircp, err := irc.FromPlugins(m)
	if err != nil {
		return nil, errors.Wrapf(err, "%s: missing required dependency (irc)", pluginName)
	}
	jsvm, err := vm.FromPlugins(m)
	if err != nil {
		return nil, errors.Wrapf(err, "%s: missing required dependency (vm)", pluginName)
	}
	srv, err := NewServer(ev, ircp, jsvm)
	if err != nil {
		return nil, errors.Wrapf(err, "%s: failed to initialize Server", pluginName)
	}
	p := &squirssiPlugin{srv}
	return p, nil
}

type squirssiPlugin struct {
	server *Server
}

func (p *squirssiPlugin) Name() string {
	return "squirssi"
}

func (p *squirssiPlugin) HandleShutdown() {
	p.server.Close()
}