twitch-bot/internal/actors/eventmod/actor.go
Knut Ahlers bcc5b4eba7
[core] Update go-irc to v4.0.0
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2023-09-11 19:51:38 +02:00

80 lines
2.1 KiB
Go

package eventmod
import (
"encoding/json"
"github.com/pkg/errors"
"gopkg.in/irc.v4"
"github.com/Luzifer/twitch-bot/v3/plugins"
)
const actorName = "eventmod"
var formatMessage plugins.MsgFormatter
func Register(args plugins.RegistrationArguments) error {
formatMessage = args.FormatMessage
args.RegisterActor(actorName, func() plugins.Actor { return &actor{} })
args.RegisterActorDocumentation(plugins.ActionDocumentation{
Description: "Add custom fields to the event to be used as template variables later on",
Name: "Add Fields to Event",
Type: actorName,
Fields: []plugins.ActionDocumentationField{
{
Default: "",
Description: "Fields to set in the event (must produce valid JSON: `map[string]any`)",
Key: "fields",
Name: "Fields",
Optional: false,
SupportTemplate: true,
Type: plugins.ActionDocumentationFieldTypeString,
},
},
})
return nil
}
type actor struct{}
func (a actor) Execute(_ *irc.Client, m *irc.Message, r *plugins.Rule, eventData *plugins.FieldCollection, attrs *plugins.FieldCollection) (preventCooldown bool, err error) {
ptrStringEmpty := func(v string) *string { return &v }("")
fd, err := formatMessage(attrs.MustString("fields", ptrStringEmpty), m, r, eventData)
if err != nil {
return false, errors.Wrap(err, "executing fields template")
}
if fd == "" {
return false, errors.New("fields template evaluated to empty string")
}
fields := map[string]any{}
if err = json.Unmarshal([]byte(fd), &fields); err != nil {
return false, errors.Wrap(err, "parsing fields")
}
eventData.SetFromData(fields)
return false, nil
}
func (a actor) IsAsync() bool { return false }
func (a actor) Name() string { return actorName }
func (a actor) Validate(tplValidator plugins.TemplateValidatorFunc, attrs *plugins.FieldCollection) (err error) {
fieldsTemplate, err := attrs.String("fields")
if err != nil || fieldsTemplate == "" {
return errors.New("fields must be non-empty string")
}
if err = tplValidator(fieldsTemplate); err != nil {
return errors.Wrap(err, "validating fields template")
}
return nil
}