2020-05-30 08:35:45 +00:00
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package discord
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import (
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2020-07-19 10:16:02 +00:00
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"context"
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2021-05-06 12:55:51 +00:00
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"github.com/pkg/errors"
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2020-05-30 08:35:45 +00:00
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"strings"
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2020-06-02 07:00:40 +00:00
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2020-10-24 06:17:52 +00:00
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"github.com/sirupsen/logrus"
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2021-05-06 12:42:37 +00:00
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2020-07-19 10:16:02 +00:00
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"github.com/tribalwarshelp/dcbot/message"
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2021-05-06 12:42:37 +00:00
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"github.com/tribalwarshelp/golang-sdk/sdk"
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2020-06-26 18:30:25 +00:00
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"github.com/tribalwarshelp/dcbot/group"
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2021-07-17 15:22:36 +00:00
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"github.com/tribalwarshelp/dcbot/model"
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2020-06-18 12:51:31 +00:00
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"github.com/tribalwarshelp/dcbot/observation"
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2020-06-02 07:00:40 +00:00
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"github.com/tribalwarshelp/dcbot/server"
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2020-05-30 08:35:45 +00:00
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"github.com/bwmarrin/discordgo"
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)
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2020-10-24 06:17:52 +00:00
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var log = logrus.WithField("package", "discord")
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2020-05-30 08:35:45 +00:00
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type SessionConfig struct {
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2020-06-18 12:51:31 +00:00
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Token string
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CommandPrefix string
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Status string
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ServerRepository server.Repository
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2020-06-26 18:30:25 +00:00
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GroupRepository group.Repository
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2020-06-18 12:51:31 +00:00
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ObservationRepository observation.Repository
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API *sdk.SDK
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2020-05-30 08:35:45 +00:00
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}
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type Session struct {
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2020-10-17 08:27:58 +00:00
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dg *discordgo.Session
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cfg SessionConfig
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handlers commandHandlers
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2020-05-30 08:35:45 +00:00
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}
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func New(cfg SessionConfig) (*Session, error) {
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var err error
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s := &Session{
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cfg: cfg,
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}
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s.dg, err = discordgo.New("Bot " + cfg.Token)
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if err != nil {
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return nil, err
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}
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if err := s.init(); err != nil {
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return nil, err
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}
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return s, nil
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}
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func (s *Session) init() error {
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2021-01-13 19:03:50 +00:00
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s.handlers = commandHandlers{
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: HelpCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleHelpCommand,
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},
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: AuthorCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleAuthorCommand,
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},
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: TribeCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleTribeCommand,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: ChangeLanguageCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleChangeLanguageCommand,
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requireAdmPermissions: true,
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},
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: AddGroupCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleAddGroupCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: DeleteGroupCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleDeleteGroupCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: GroupsCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleGroupsCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: ObserveCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleObserveCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: DeleteObservationCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleDeleteObservationCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: ObservationsCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleObservationsCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: ConqueredVillagesCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleConqueredVillagesCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: DisableConqueredVillagesCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleDisableConqueredVillagesCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: LostVillagesCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleLostVillagesCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: DisableLostVillagesCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleDisableLostVillagesCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: ShowEnnobledBarbariansCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleShowEnnobledBarbariansCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: ShowInternalsCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleShowInternalsCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: CoordsTranslationCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleCoordsTranslationCommand,
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requireAdmPermissions: true,
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},
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2021-01-13 19:03:50 +00:00
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&commandHandler{
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2020-10-17 08:27:58 +00:00
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cmd: DisableCoordsTranslationCommand.WithPrefix(s.cfg.CommandPrefix),
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fn: s.handleDisableCoordsTranslationCommand,
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requireAdmPermissions: true,
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},
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}
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2020-05-30 08:35:45 +00:00
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s.dg.AddHandler(s.handleNewMessage)
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err := s.dg.Open()
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if err != nil {
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2021-05-06 12:55:51 +00:00
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return errors.Wrap(err, "error opening ws connection")
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2020-05-30 08:35:45 +00:00
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}
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2020-07-15 10:03:43 +00:00
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if err := s.UpdateStatus(s.cfg.Status); err != nil {
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2020-05-30 08:35:45 +00:00
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return err
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}
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2020-07-22 13:46:10 +00:00
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2020-05-30 08:35:45 +00:00
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return nil
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}
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2020-06-06 12:28:45 +00:00
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func (s *Session) Close() error {
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return s.dg.Close()
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}
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func (s *Session) SendMessage(channelID, message string) error {
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_, err := s.dg.ChannelMessageSend(channelID, message)
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return err
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}
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2021-07-18 05:41:54 +00:00
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func (s *Session) SendEmbed(channelID string, e *Embed) error {
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for _, fields := range splitEmbedFields(e) {
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2020-11-04 19:48:52 +00:00
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fieldsLen := len(fields)
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for i := 0; i < fieldsLen; i += EmbedLimitField {
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2020-08-09 15:20:23 +00:00
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end := i + EmbedLimitField
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2020-11-04 19:48:52 +00:00
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if end > fieldsLen {
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end = fieldsLen
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2020-08-09 15:20:23 +00:00
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}
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2021-07-18 05:41:54 +00:00
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e.Fields = fields[i:end]
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if _, err := s.dg.ChannelMessageSendEmbed(channelID, e.MessageEmbed); err != nil {
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2020-08-09 15:20:23 +00:00
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return err
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}
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2020-07-22 13:46:10 +00:00
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}
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}
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return nil
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2020-06-06 12:28:45 +00:00
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}
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2020-07-15 10:03:43 +00:00
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func (s *Session) UpdateStatus(status string) error {
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if err := s.dg.UpdateStatus(0, status); err != nil {
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return err
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}
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return nil
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}
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2020-07-22 13:46:10 +00:00
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func (s *Session) IsGuildMember(guildID string) (bool, error) {
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_, err := s.dg.State.Guild(guildID)
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if err != nil {
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if _, err = s.dg.Guild(guildID); err != nil {
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return false, err
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}
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}
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return true, nil
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}
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2020-05-30 08:35:45 +00:00
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func (s *Session) handleNewMessage(_ *discordgo.Session, m *discordgo.MessageCreate) {
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2020-10-17 08:27:58 +00:00
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if m.Author.ID == s.dg.State.User.ID || m.Author.Bot {
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2020-05-30 08:35:45 +00:00
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return
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}
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2020-06-05 15:49:51 +00:00
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2021-05-06 12:55:51 +00:00
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parts := strings.Split(m.Content, " ")
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args := parts[1:]
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2021-07-17 15:22:36 +00:00
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svr := &model.Server{
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2020-07-19 10:16:02 +00:00
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ID: m.GuildID,
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Lang: message.GetDefaultLanguage().String(),
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}
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2021-05-06 12:42:37 +00:00
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if svr.ID != "" {
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if err := s.cfg.ServerRepository.Store(context.Background(), svr); err != nil {
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2020-10-17 08:27:58 +00:00
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return
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}
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2020-07-19 10:16:02 +00:00
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}
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2020-10-17 08:27:58 +00:00
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ctx := &commandCtx{
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2021-05-06 12:42:37 +00:00
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server: svr,
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localizer: message.NewLocalizer(svr.Lang),
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2020-07-19 10:16:02 +00:00
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}
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2020-07-22 13:46:10 +00:00
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2021-05-06 12:55:51 +00:00
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cmd := Command(parts[0])
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2020-10-24 06:17:52 +00:00
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h := s.handlers.find(cmd)
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2020-10-17 08:27:58 +00:00
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if h != nil {
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if h.requireAdmPermissions {
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if m.GuildID == "" {
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return
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}
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has, err := s.memberHasPermission(m.GuildID, m.Author.ID, discordgo.PermissionAdministrator)
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if err != nil || !has {
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return
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}
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}
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2020-10-24 06:17:52 +00:00
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log.
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WithFields(logrus.Fields{
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2021-05-06 12:42:37 +00:00
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"serverID": svr.ID,
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"lang": svr.Lang,
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2020-10-24 06:17:52 +00:00
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"command": cmd,
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"args": args,
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"authorID": m.Author.ID,
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"authorUsername": m.Author.Username,
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}).
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2021-05-06 12:42:37 +00:00
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Info("handleNewMessage: Executing command...")
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2020-10-17 08:27:58 +00:00
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h.fn(ctx, m, args...)
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return
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2020-06-05 15:49:51 +00:00
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}
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2020-10-17 08:27:58 +00:00
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s.translateCoords(ctx, m)
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2020-05-30 08:35:45 +00:00
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}
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2020-05-30 08:54:28 +00:00
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func (s *Session) memberHasPermission(guildID string, userID string, permission int) (bool, error) {
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2020-06-07 15:49:33 +00:00
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member, err := s.dg.State.Member(guildID, userID)
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2020-05-31 11:34:24 +00:00
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if err != nil {
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2020-06-07 15:49:33 +00:00
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if member, err = s.dg.GuildMember(guildID, userID); err != nil {
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2020-05-31 11:39:51 +00:00
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return false, err
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}
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2020-05-31 11:34:24 +00:00
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}
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2020-10-17 06:47:39 +00:00
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// check if user is a guild owner
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2020-06-07 15:49:33 +00:00
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guild, err := s.dg.State.Guild(guildID)
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2020-05-30 08:35:45 +00:00
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if err != nil {
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2020-06-07 15:49:33 +00:00
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if guild, err = s.dg.Guild(guildID); err != nil {
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2020-05-30 08:35:45 +00:00
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return false, err
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}
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}
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2020-06-07 15:49:33 +00:00
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if guild.OwnerID == userID {
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return true, nil
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}
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2020-05-30 08:35:45 +00:00
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// Iterate through the role IDs stored in member.Roles
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// to check permissions
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for _, roleID := range member.Roles {
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role, err := s.dg.State.Role(guildID, roleID)
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if err != nil {
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return false, err
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}
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if role.Permissions&permission != 0 {
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return true, nil
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}
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}
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return false, nil
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}
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