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package events
import (
"context"
"errors"
"log/slog"
_ "github.com/lib/pq"
"github.com/twitchtv/twirp"
"google.golang.org/protobuf/types/known/emptypb"
"gorm.io/gorm"
"within.website/x/cmd/mi/models"
"within.website/x/cmd/mi/services/events/flyghttracker"
pb "within.website/x/proto/mi"
)
type Events struct {
dao *models.DAO
flyghtTracker *flyghttracker.Client
pb.UnimplementedEventsServer
}
var _ pb.Events = &Events{}
// New creates a new Events service.
func New(dao *models.DAO, flyghtTrackerURL string) *Events {
result := &Events{
dao: dao,
}
if flyghtTrackerURL != "" {
result.flyghtTracker = flyghttracker.New(flyghtTrackerURL)
} else {
slog.Warn("no flyght tracker database URL provided, not syndicating events to flyght tracker")
}
return result
}
// Get fetches upcoming events.
func (e *Events) Get(ctx context.Context, _ *emptypb.Empty) (*pb.EventFeed, error) {
events, err := e.dao.UpcomingEvents(ctx, 10)
if err != nil {
slog.Error("can't fetch upcoming events", "err", err)
switch {
case errors.Is(err, gorm.ErrRecordNotFound):
return nil, twirp.NotFoundError("can't find any events")
default:
return nil, twirp.InternalErrorWith(err)
}
}
if len(events) == 0 {
return nil, twirp.NotFoundError("can't find any events")
}
var pbEvents []*pb.Event
for _, event := range events {
pbEvents = append(pbEvents, event.AsProto())
}
return &pb.EventFeed{Events: pbEvents}, nil
}
// Add adds a new event to the database.
func (e *Events) Add(ctx context.Context, ev *pb.Event) (*emptypb.Empty, error) {
event := &models.Event{
Name: ev.Name,
URL: ev.Url,
StartDate: ev.StartDate.AsTime(),
EndDate: ev.EndDate.AsTime(),
Location: ev.Location,
Description: ev.Description,
Syndicate: ev.Syndicate,
}
_, err := e.dao.CreateEvent(ctx, event)
if err != nil {
return nil, err
}
slog.Info("tracking new event", "event", event)
if e.flyghtTracker != nil {
if err := e.syndicateToFlyghtTracker(ctx, ev); err != nil {
slog.Error("can't syndicate event to flyght tracker", "err", err)
}
}
return &emptypb.Empty{}, nil
}
func (e *Events) Remove(ctx context.Context, req *pb.Event) (*emptypb.Empty, error) {
err := e.dao.RemoveEvent(ctx, int(req.Id))
if err != nil {
return nil, err
}
return &emptypb.Empty{}, nil
}
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