Fill out logging TODOs in state package

This change adds logging where requested via TODOs in state.go.

internal/state/state.go

@@ -8,11 +8,13 @@ package state
  */
 
 import (
+	"fmt"
 	"slices"
 	"sync"
 	"time"
 
 	"github.com/bwmarrin/discordgo"
+	"gitlab.com/whom/bingobot/internal/logging"
 )
 
 /* Event interface is meant to encapsulate a general interface
@@ -165,14 +167,29 @@ func PublishEvent(e Event) error {
 	eventMutex.Unlock()
 	eventMutex.RLock()
 	defer eventMutex.RUnlock()
+
+	blocking := false
+
 	for _, c := range eventSubscriptionCache[e.Type()] {
 		if float32(len(c)) > (float32(eventChannelBufferSize) * 0.25) {
 			if len(c) == eventChannelBufferSize {
-				// TODO: log that this publish is blocking
-				// on a full channel
+				logging.Warn(
+					"PublishEvent() blocking -- event channel full",
+					// log the event time to provide blockage timing information
+					// in the logs
+					"eventTime",
+					e.Time(),
+				)
+				blocking = true
 			}
 		}
 		c <- e
+
+		if blocking {
+			logging.Info("PublishEvent() no longer blocking")
+			blocking = false
+		}
+
 	}
 
 	return nil
@@ -259,9 +276,13 @@ func (ve VoteEvent) Time() time.Time {
 	t, e := time.Parse(time.RFC3339, ve[VoteCreatedKey])
 	if e != nil {
 		// we have a corrupted event
-		// TODO: log first
 		// return old time so that this event gets
 		// pruned from cache
+		logging.Warn(
+			"pruning corrupted vote event",
+			"event",
+			fmt.Sprintf("%+v", ve),
+		)
 		tooOld, _ := time.Parse(
 			time.RFC3339,
 			VeryOldVote,
@@ -343,9 +364,14 @@ func (ue UserEvent) Validate() error {
 		_, err := DiscordSession.User(ue.uid)
 		return err
 	} else {
-		// TODO: Log validation failure
 		// I would love to know how to actually fail here
 		// and still have unit testable code.
+
+		logging.Error(
+			"can't validate UserEvent: nil discord session",
+			"event",
+			fmt.Sprintf("%+v", ue),
+		)
 		return nil
 	}
 }