Messaging/pkg/internal/services/status.go

package services

import (
	"context"
	"fmt"

	"git.solsynth.dev/hydrogen/dealer/pkg/hyper"
	"git.solsynth.dev/hydrogen/dealer/pkg/proto"
	"git.solsynth.dev/hydrogen/messaging/pkg/internal/database"
	"git.solsynth.dev/hydrogen/messaging/pkg/internal/gap"
	"git.solsynth.dev/hydrogen/messaging/pkg/internal/models"
)

func SetTypingStatus(channelId uint, userId uint) error {
	var account models.Account
	if err := database.C.Where("external_id = ?", userId).First(&account).Error; err != nil {
		return fmt.Errorf("account not found: %v", err)
	}

	var member models.ChannelMember
	if err := database.C.
		Where("account_id = ? AND channel_id = ?", account.ID, channelId).
		First(&member).Error; err != nil {
		return fmt.Errorf("channel member not found: %v", err)
	} else {
		member.Account = account
	}

	var channel models.Channel
	if err := database.C.
		Preload("Members").
		Where("id = ?", channelId).
		First(&channel).Error; err != nil {
		return fmt.Errorf("channel not found: %v", err)
	}

	var broadcastTarget []uint64
	for _, item := range channel.Members {
		if item.AccountID == member.AccountID {
			continue
		}
		broadcastTarget = append(broadcastTarget, uint64(item.AccountID))
	}

	sc := proto.NewStreamControllerClient(gap.H.GetDealerGrpcConn())
	_, err := sc.PushStreamBatch(context.Background(), &proto.PushStreamBatchRequest{
		UserId: broadcastTarget,
		Body: hyper.NetworkPackage{
			Action: "status.typing",
			Payload: map[string]any{
				"user_id":    userId,
				"member_id":  member.ID,
				"channel_id": channelId,
				"member":     member,
				"channel":    channel,
			},
		}.Marshal(),
	})

	return err
}