Add time to next stream to presence module

Signed-off-by: Knut Ahlers <knut@ahlers.me>

mod_presence.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"math"
 	"strings"
@@ -32,6 +33,9 @@ func (m *modPresence) Initialize(crontab *cron.Cron, discord *discordgo.Session,
 
 	if err := attrs.Expect(
 		"fallback_text",
+		"twitch_channel_id",
+		"twitch_client_id",
+		"twitch_token",
 	); err != nil {
 		return errors.Wrap(err, "validating attributes")
 	}
@@ -47,7 +51,33 @@ func (m *modPresence) Initialize(crontab *cron.Cron, discord *discordgo.Session,
 func (m modPresence) cronUpdatePresence() {
 	var nextStream *time.Time = nil
 
-	// FIXME: Get next stream status
+	twitch := newTwitchAdapter(
+		// @attr twitch_client_id required string "" Twitch client ID the token was issued for
+		m.attrs.MustString("twitch_client_id", nil),
+		// @attr twitch_token required string "" Token for the user the `twitch_channel_id` belongs to
+		m.attrs.MustString("twitch_token", nil),
+	)
+
+	data, err := twitch.GetChannelStreamSchedule(
+		context.Background(),
+		// @attr twitch_channel_id required string "" ID (not name) of the channel to fetch the schedule from
+		m.attrs.MustString("twitch_channel_id", nil),
+		// @attr schedule_past_time optional duration "15m" How long in the past should the schedule contain an entry
+		ptrTime(time.Now().Add(-m.attrs.MustDuration("schedule_past_time", defaultStreamSchedulePastTime))),
+	)
+	if err != nil {
+		log.WithError(err).Error("Unable to fetch stream schedule")
+		return
+	}
+
+	for _, seg := range data.Data.Segments {
+		if seg.StartTime == nil || seg.CanceledUntil != nil {
+			continue
+		}
+
+		nextStream = seg.StartTime
+		break
+	}
 
 	// @attr fallback_text required string "" What to set the text to when no stream is found (`playing <text>`)
 	status := m.attrs.MustString("fallback_text", nil)
@@ -63,11 +93,14 @@ func (m modPresence) cronUpdatePresence() {
 }
 
 func (m modPresence) durationToHumanReadable(d time.Duration) string {
+	d = time.Duration(math.Abs(float64(d)))
+	if d > time.Hour*24 {
+		return fmt.Sprintf("%.0f Tagen", math.Ceil(float64(d)/float64(time.Hour*24)))
+	}
+
 	var elements []string
 
-	d = time.Duration(math.Abs(float64(d)))
 	for div, req := range map[time.Duration]bool{
-		time.Hour * 24: false,
 		time.Hour:   true,
 		time.Minute: true,
 	} {

wiki/Home.md

@@ -23,7 +23,11 @@ Updates the presence status of the bot to display the next stream
 | Attribute | Req. | Type | Default Value | Description |
 | --------- | :--: | ---- | ------------- | ----------- |
 | `fallback_text` | ✅ | string |  | What to set the text to when no stream is found (`playing <text>`) |
+| `twitch_channel_id` | ✅ | string |  | ID (not name) of the channel to fetch the schedule from |
+| `twitch_client_id` | ✅ | string |  | Twitch client ID the token was issued for |
+| `twitch_token` | ✅ | string |  | Token for the user the `twitch_channel_id` belongs to |
 | `cron` |  | string | `* * * * *` | When to execute the module |
+| `schedule_past_time` |  | duration | `15m` | How long in the past should the schedule contain an entry |
 
 ## Type: `schedule`