mirror of
https://github.com/Luzifer/discord-community.git
synced 2024-11-08 23:20:01 +00:00
192 lines
6 KiB
Go
192 lines
6 KiB
Go
package main
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"github.com/bwmarrin/discordgo"
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"github.com/pkg/errors"
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"github.com/robfig/cron/v3"
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log "github.com/sirupsen/logrus"
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)
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/*
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* @module schedule
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* @module_desc Posts stream schedule derived from Twitch schedule as embed in Discord channel
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*/
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const (
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streamScheduleDefaultColor = 0x2ECC71
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)
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var (
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defaultStreamScheduleEntries = ptrInt64(5) //nolint: gomnd // This is already the "constant"
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defaultStreamSchedulePastTime = ptrDuration(15 * time.Minute) //nolint: gomnd // This is already the "constant"
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)
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func init() {
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RegisterModule("schedule", func() module { return &modStreamSchedule{} })
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}
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type modStreamSchedule struct {
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attrs moduleAttributeStore
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discord *discordgo.Session
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id string
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}
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func (m modStreamSchedule) ID() string { return m.id }
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func (m *modStreamSchedule) Initialize(id string, crontab *cron.Cron, discord *discordgo.Session, attrs moduleAttributeStore) error {
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m.attrs = attrs
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m.discord = discord
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m.id = id
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if err := attrs.Expect(
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"discord_channel_id",
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"embed_title",
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"twitch_channel_id",
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"twitch_client_id",
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"twitch_client_secret",
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); err != nil {
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return errors.Wrap(err, "validating attributes")
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}
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// @attr cron optional string "*/10 * * * *" When to execute the schedule transfer
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if _, err := crontab.AddFunc(attrs.MustString("cron", ptrString("*/10 * * * *")), m.cronUpdateSchedule); err != nil {
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return errors.Wrap(err, "adding cron function")
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}
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return nil
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}
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func (m modStreamSchedule) Setup() error { return nil }
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//nolint:funlen // Seeing no sense to split for 5 lines
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func (m modStreamSchedule) cronUpdateSchedule() {
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twitch := newTwitchAdapter(
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// @attr twitch_client_id required string "" Twitch client ID the token was issued for
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m.attrs.MustString("twitch_client_id", nil),
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// @attr twitch_client_secret required string "" Secret for the Twitch app identified with twitch_client_id
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m.attrs.MustString("twitch_client_secret", nil),
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"", // No User-Token used
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)
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data, err := twitch.GetChannelStreamSchedule(
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context.Background(),
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// @attr twitch_channel_id required string "" ID (not name) of the channel to fetch the schedule from
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m.attrs.MustString("twitch_channel_id", nil),
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// @attr schedule_past_time optional duration "15m" How long in the past should the schedule contain an entry
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ptrTime(time.Now().Add(-m.attrs.MustDuration("schedule_past_time", defaultStreamSchedulePastTime))),
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)
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if err != nil {
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log.WithError(err).Error("Unable to fetch stream schedule")
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return
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}
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// @attr discord_channel_id required string "" ID of the Discord channel to post the message to
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channelID := m.attrs.MustString("discord_channel_id", nil)
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msgEmbed := &discordgo.MessageEmbed{
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// @attr embed_color optional int64 "0x2ECC71" Integer / HEX representation of the color for the embed
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Color: int(m.attrs.MustInt64("embed_color", ptrInt64(streamScheduleDefaultColor))),
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// @attr embed_description optional string "" Description for the embed block
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Description: strings.TrimSpace(m.attrs.MustString("embed_description", ptrStringEmpty)),
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Fields: []*discordgo.MessageEmbedField{},
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Timestamp: time.Now().Format(time.RFC3339),
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// @attr embed_title required string "" Title of the embed
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Title: m.attrs.MustString("embed_title", nil),
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Type: discordgo.EmbedTypeRich,
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}
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if m.attrs.MustString("embed_thumbnail_url", ptrStringEmpty) != "" {
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msgEmbed.Thumbnail = &discordgo.MessageEmbedThumbnail{
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// @attr embed_thumbnail_url optional string "" Publically hosted image URL to use as thumbnail
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URL: m.attrs.MustString("embed_thumbnail_url", ptrStringEmpty),
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// @attr embed_thumbnail_width optional int64 "" Width of the thumbnail
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Width: int(m.attrs.MustInt64("embed_thumbnail_width", ptrInt64Zero)),
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// @attr embed_thumbnail_height optional int64 "" Height of the thumbnail
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Height: int(m.attrs.MustInt64("embed_thumbnail_height", ptrInt64Zero)),
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}
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}
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for _, seg := range data.Data.Segments {
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title := seg.Title
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if seg.Category != nil && seg.Category.Name != seg.Title {
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title = fmt.Sprintf("%s (%s)", seg.Title, seg.Category.Name)
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}
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if seg.StartTime == nil || seg.CanceledUntil != nil {
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continue
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}
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msgEmbed.Fields = append(msgEmbed.Fields, &discordgo.MessageEmbedField{
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Name: m.formatGermanShort(*seg.StartTime),
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Value: title,
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Inline: false,
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})
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// @attr schedule_entries optional int64 "5" How many schedule entries to add to the embed as fields
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if len(msgEmbed.Fields) == int(m.attrs.MustInt64("schedule_entries", defaultStreamScheduleEntries)) {
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break
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}
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}
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var managedMsg *discordgo.Message
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if err = store.ReadWithLock(m.id, func(a moduleAttributeStore) error {
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mid, err := a.String("message_id")
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if err == errValueNotSet {
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return nil
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}
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managedMsg, err = m.discord.ChannelMessage(channelID, mid)
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return errors.Wrap(err, "fetching managed message")
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}); err != nil {
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log.WithError(err).Error("Unable to fetch managed message for stream schedule")
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return
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}
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if managedMsg != nil {
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oldEmbed := managedMsg.Embeds[0]
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if isDiscordMessageEmbedEqual(oldEmbed, msgEmbed) {
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log.Debug("Stream Schedule is up-to-date")
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return
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}
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_, err = m.discord.ChannelMessageEditEmbed(channelID, managedMsg.ID, msgEmbed)
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} else {
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managedMsg, err = m.discord.ChannelMessageSendEmbed(channelID, msgEmbed)
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}
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if err != nil {
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log.WithError(err).Error("Unable to announce streamplan")
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return
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}
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if err = store.Set(m.id, "message_id", managedMsg.ID); err != nil {
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log.WithError(err).Error("Unable to store managed message id")
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return
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}
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log.Info("Updated Stream Schedule")
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}
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func (m modStreamSchedule) formatGermanShort(t time.Time) string {
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wd := map[time.Weekday]string{
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time.Monday: "Mo.",
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time.Tuesday: "Di.",
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time.Wednesday: "Mi.",
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time.Thursday: "Do.",
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time.Friday: "Fr.",
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time.Saturday: "Sa.",
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time.Sunday: "So.",
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}[t.Weekday()]
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tz, err := time.LoadLocation("Europe/Berlin")
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if err != nil {
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log.WithError(err).Fatal("Unable to load timezone Europe/Berlin")
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}
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return strings.Join([]string{wd, t.In(tz).Format("02.01. 15:04"), "Uhr"}, " ")
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}
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