bot: Bot setup and teardown done: Connect w/retry, join/leave, full config, and logging.

internal/models/channels/subscribe-logged.go

@@ -2,13 +2,16 @@ package channels
 
 import (
 	"context"
+	"log"
 	"time"
 
 	"git.aiterp.net/rpdata/logbot3/internal/models"
+	"git.aiterp.net/rpdata/logbot3/internal/models/changes"
 )
 
 // SubscribeLogged returns a channel that gets all the channel changes.
 func SubscribeLogged(ctx context.Context) (<-chan models.Channel, error) {
+	earliest := time.Now()
 	channels, err := ListLogged(ctx)
 	if err != nil {
 		return nil, err
@@ -21,8 +24,28 @@ func SubscribeLogged(ctx context.Context) (<-chan models.Channel, error) {
 
 	go func() {
 		for {
-			time.Sleep(time.Second * 20)
+			time.Sleep(time.Second * 5)
 
+			// Get the changes.
+			changes, err := changes.List(ctx, &changes.Filter{EarliestDate: &earliest, Keys: []models.ChangeKey{{Model: "Channel", ID: "*"}}})
+			if ctx.Err() != nil {
+				return
+			} else if err != nil {
+				log.Println("Failed to get chnges:", err)
+				continue
+			}
+
+			// Group changes to the same model.
+			for _, change := range changes {
+				for _, obj := range change.Objects {
+					channel, err := obj.Channel()
+					if err != nil {
+						continue
+					}
+
+					output <- channel
+				}
+			}
 		}
 	}()