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package main
import (
"encoding/json"
"errors"
"fmt"
"os"
"github.com/enxg/skyticket/docs"
"github.com/enxg/skyticket/internal/controllers"
"github.com/enxg/skyticket/internal/repositories"
"github.com/enxg/skyticket/internal/responses"
"github.com/enxg/skyticket/internal/router"
"github.com/enxg/skyticket/internal/services"
"github.com/enxg/skyticket/pkg/validator"
"github.com/gofiber/fiber/v3"
"github.com/rs/zerolog/log"
"go.mongodb.org/mongo-driver/v2/bson"
"go.mongodb.org/mongo-driver/v2/mongo"
"go.mongodb.org/mongo-driver/v2/mongo/options"
"github.com/gofiber/fiber/v3/middleware/cors"
)
// @title SkyTicket
// @version 1.0
// @description This is the API documentation for SkyTicket.
// @tag.Name Events
// @tag.Description APIs related to event management in SkyTicket.
// @tag.name Tickets
// @tag.description APIs related to ticket management in SkyTicket. SkyTicket expects monetary values to be represented in the smallest currency units ("kuruş" for Turkish lira) to avoid floating-point precision issues.
// @tag.name Reservations
// @tag.description APIs related to ticket reservations in SkyTicket.
// @contact.name Enes Genç
// @contact.url https://enesgenc.dev
// @contact.email hello@enesgenc.dev
// @schemes https
// @host skyticket.enesgenc.dev
// @license.name MIT
// @license.url https://github.com/enxg/skyticket/blob/main/LICENSE
func main() {
if sch := os.Getenv("OPENAPI_SCHEME"); sch != "" {
docs.SwaggerInfo.Schemes = []string{sch}
}
if host := os.Getenv("OPENAPI_HOST"); host != "" {
docs.SwaggerInfo.Host = host
}
uri := os.Getenv("MONGODB_URI")
if uri == "" {
log.Fatal().Msg("MONGODB_URI environment variable not set")
}
client, err := mongo.Connect(options.Client().ApplyURI(uri))
if err != nil {
log.Fatal().Err(err).Msg("error connecting to MongoDB")
}
db := client.Database("skyticket")
eventRepository := repositories.NewEventRepository(db)
ticketRepository := repositories.NewTicketRepository(db)
reservationRepository := repositories.NewReservationRepository(db)
eventService := services.NewEventService(eventRepository, ticketRepository, reservationRepository, client)
ticketService := services.NewTicketService(ticketRepository, eventRepository, reservationRepository, client)
reservationService := services.NewReservationService(reservationRepository, ticketRepository, eventRepository, client)
eventController := controllers.NewEventController(eventService)
ticketController := controllers.NewTicketController(ticketService)
reservationController := controllers.NewReservationController(reservationService)
app := fiber.New(fiber.Config{
StructValidator: validator.NewStructValidator(),
ErrorHandler: errorHandler,
})
app.Use(cors.New())
router.SetupRoutes(app, router.Controllers{
EventController: eventController,
TicketController: ticketController,
ReservationController: reservationController,
})
err = app.Listen(":3000")
if err != nil {
log.Fatal().Err(err).Msg("error starting server")
}
}
func errorHandler(ctx fiber.Ctx, err error) error {
var validationErrors validator.ValidationErrors
if errors.As(err, &validationErrors) {
return ctx.Status(fiber.StatusBadRequest).
JSON(responses.ValidationErrorResponse{
Errors: validator.ParseValidationErrors(validationErrors),
})
}
if errors.Is(err, mongo.ErrNoDocuments) || errors.Is(err, bson.ErrInvalidHex) {
return ctx.Status(fiber.StatusNotFound).JSON(responses.ErrorResponse{
Message: "Resource not found",
})
}
var jte *json.UnmarshalTypeError
if errors.As(err, &jte) {
return ctx.Status(fiber.StatusBadRequest).JSON(responses.ValidationErrorResponse{
Errors: []validator.ValidationError{
{Field: jte.Field, Error: "invalid type provided, expected " + jte.Type.String() + "."},
},
})
}
var jse *json.SyntaxError
if errors.As(err, &jse) {
return ctx.Status(fiber.StatusBadRequest).JSON(responses.ErrorResponse{
Message: "Malformed JSON at offset " + fmt.Sprint(jse.Offset) + ".",
})
}
code := fiber.StatusInternalServerError
message := "Internal server error"
var e *fiber.Error
if errors.As(err, &e) {
code = e.Code
message = e.Message
}
log.Error().
Str("path", ctx.Path()).
Str("type", fmt.Sprintf("%T", err)).
Err(err).
Send()
return ctx.Status(code).JSON(responses.ErrorResponse{
Message: message,
})
}