twitch-bot/internal/actors/shoutout/actor.go

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// Package shoutout contains an actor to create a Twitch native
// shoutout
package shoutout
import (
"context"
"fmt"
"regexp"
"github.com/pkg/errors"
"gopkg.in/irc.v4"
"github.com/Luzifer/go_helpers/v2/fieldcollection"
"github.com/Luzifer/twitch-bot/v3/internal/helpers"
"github.com/Luzifer/twitch-bot/v3/pkg/twitch"
"github.com/Luzifer/twitch-bot/v3/plugins"
)
const actorName = "shoutout"
var (
botTwitchClient *twitch.Client
formatMessage plugins.MsgFormatter
ptrStringEmpty = func(v string) *string { return &v }("")
shoutoutChatcommandRegex = regexp.MustCompile(`^/shoutout +([^\s]+)$`)
)
// Register provides the plugins.RegisterFunc
func Register(args plugins.RegistrationArguments) error {
botTwitchClient = args.GetTwitchClient()
formatMessage = args.FormatMessage
args.RegisterActor(actorName, func() plugins.Actor { return &actor{} })
args.RegisterActorDocumentation(plugins.ActionDocumentation{
Description: "Perform a Twitch-native shoutout",
Name: "Shoutout",
Type: actorName,
Fields: []plugins.ActionDocumentationField{
{
Default: "",
Description: "User to give the shoutout to",
Key: "user",
Name: "User",
Optional: false,
SupportTemplate: true,
Type: plugins.ActionDocumentationFieldTypeString,
},
},
})
args.RegisterMessageModFunc("/shoutout", handleChatCommand)
return nil
}
type actor struct{}
func (actor) Execute(_ *irc.Client, m *irc.Message, r *plugins.Rule, eventData *fieldcollection.FieldCollection, attrs *fieldcollection.FieldCollection) (preventCooldown bool, err error) {
user, err := formatMessage(attrs.MustString("user", ptrStringEmpty), m, r, eventData)
if err != nil {
return false, errors.Wrap(err, "executing user template")
}
return false, errors.Wrap(
botTwitchClient.SendShoutout(
context.Background(),
plugins.DeriveChannel(m, eventData),
user,
),
"executing shoutout",
)
}
func (actor) IsAsync() bool { return false }
func (actor) Name() string { return actorName }
func (actor) Validate(tplValidator plugins.TemplateValidatorFunc, attrs *fieldcollection.FieldCollection) (err error) {
if err = attrs.ValidateSchema(
fieldcollection.MustHaveField(fieldcollection.SchemaField{Name: "user", NonEmpty: true, Type: fieldcollection.SchemaFieldTypeString}),
helpers.SchemaValidateTemplateField(tplValidator, "user"),
); err != nil {
return fmt.Errorf("validating attributes: %w", err)
}
return nil
}
func handleChatCommand(m *irc.Message) error {
channel := plugins.DeriveChannel(m, nil)
matches := shoutoutChatcommandRegex.FindStringSubmatch(m.Trailing())
if matches == nil {
return errors.New("shoutout message does not match required format")
}
if err := botTwitchClient.SendShoutout(context.Background(), channel, matches[1]); err != nil {
return errors.Wrap(err, "executing shoutout")
}
return plugins.ErrSkipSendingMessage
}