Files
tp/main_dc/api_bb/internal/handlers/event_handler.go
T

496 lines
16 KiB
Go

// handlers/event_handler.go
package handlers
import (
"api_bb/internal/models"
"api_bb/internal/service"
"api_bb/pkg/logger"
"api_bb/pkg/middleware"
"api_bb/pkg/utils"
"encoding/json"
"net/http"
"strconv"
"time"
"go.uber.org/zap"
)
type EventHandler struct {
logger logger.LoggerInterface
eventService service.EventService
}
func NewEventHandler(eventService service.EventService) *EventHandler {
return &EventHandler{
logger: logger.NewWrapper(logger.Get().With(zap.String("handler", "event"))),
eventService: eventService,
}
}
// CreateEventRequest - DTO для создания события
type CreateEventRequest struct {
Title string `json:"title" validate:"required,min=5,max=255"`
Description string `json:"description" validate:"required,min=10"`
Date time.Time `json:"date" validate:"required"`
Location string `json:"location" validate:"required,max=255"`
Type models.EventType `json:"type" validate:"required,oneof=race training social workshop"`
Distance string `json:"distance" validate:"max=50"`
MaxParticipants int `json:"max_participants" validate:"min=0"`
RegistrationOpen bool `json:"registration_open"`
Image string `json:"image" validate:"max=500"`
}
// UpdateEventRequest - DTO для обновления события
type UpdateEventRequest struct {
Title string `json:"title" validate:"required,min=5,max=255"`
Description string `json:"description" validate:"required,min=10"`
Date time.Time `json:"date" validate:"required"`
Location string `json:"location" validate:"required,max=255"`
Type models.EventType `json:"type" validate:"required,oneof=race training social workshop"`
Distance string `json:"distance" validate:"max=50"`
MaxParticipants int `json:"max_participants" validate:"min=0"`
RegistrationOpen bool `json:"registration_open"`
Image string `json:"image" validate:"max=500"`
}
// EventResponse - DTO для ответа с событием
type EventResponse struct {
ID uint `json:"id"`
Title string `json:"title"`
Description string `json:"description"`
Date time.Time `json:"date"`
Location string `json:"location"`
Type models.EventType `json:"type"`
Distance string `json:"distance"`
ParticipantsCount int `json:"participants_count"`
MaxParticipants int `json:"max_participants"`
RegistrationOpen bool `json:"registration_open"`
Image string `json:"image"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
// CreateEvent создает новое событие
func (h *EventHandler) CreateEvent(w http.ResponseWriter, r *http.Request) {
h.logger.Info("handling create event request",
zap.String("method", r.Method),
zap.String("path", r.URL.Path),
zap.String("remote_addr", r.RemoteAddr),
)
// Проверяем аутентификацию
user, ok := middleware.GetUserFromContext(r.Context())
if !ok {
h.logger.Warn("create event failed - authentication required")
utils.RespondWithError(w, http.StatusUnauthorized, "Authentication required")
return
}
// Проверяем права доступа (только админы могут создавать события)
if user.Role != "admin" {
h.logger.Warn("create event failed - insufficient permissions",
zap.Uint("user_id", user.ID),
zap.String("user_role", user.Role),
)
utils.RespondWithError(w, http.StatusForbidden, "Insufficient permissions")
return
}
var req CreateEventRequest
if err := utils.DecodeJSONBody(w, r, &req); err != nil {
h.logger.Error("failed to decode request body", zap.Error(err))
utils.RespondWithError(w, http.StatusBadRequest, "Invalid request payload: "+err.Error())
return
}
// Валидация
if err := utils.ValidateStruct(req); err != nil {
h.logger.Warn("validation failed for create event", zap.Error(err))
utils.RespondWithValidationError(w, err)
return
}
// Создаем модель события
event := &models.Event{
Title: req.Title,
Description: req.Description,
Date: req.Date,
Location: req.Location,
Type: req.Type,
Distance: req.Distance,
MaxParticipants: req.MaxParticipants,
RegistrationOpen: req.RegistrationOpen,
Image: req.Image,
}
if err := h.eventService.CreateEvent(event); err != nil {
h.logger.Error("failed to create event", zap.Error(err))
utils.RespondWithError(w, http.StatusInternalServerError, "Failed to create event: "+err.Error())
return
}
h.logger.Info("event created successfully",
zap.Uint("event_id", event.ID),
zap.String("title", event.Title),
)
utils.RespondWithJSON(w, http.StatusCreated, map[string]interface{}{
"message": "Event created successfully",
"event": toEventResponse(event),
})
}
// GetEvent возвращает событие по ID
func (h *EventHandler) GetEvent(w http.ResponseWriter, r *http.Request) {
h.logger.Info("handling get event request",
zap.String("method", r.Method),
zap.String("path", r.URL.Path),
zap.String("remote_addr", r.RemoteAddr),
)
// Извлекаем ID события из URL параметров
eventID, err := strconv.ParseUint(r.PathValue("id"), 10, 32)
if err != nil {
h.logger.Warn("invalid event ID", zap.Error(err))
utils.RespondWithError(w, http.StatusBadRequest, "Invalid event ID")
return
}
event, err := h.eventService.GetEventByID(uint(eventID))
if err != nil {
h.logger.Warn("event not found",
zap.Uint("event_id", uint(eventID)),
zap.Error(err),
)
utils.RespondWithError(w, http.StatusNotFound, "Event not found")
return
}
h.logger.Info("event retrieved successfully",
zap.Uint("event_id", uint(eventID)),
zap.String("title", event.Title),
)
utils.RespondWithJSON(w, http.StatusOK, toEventResponse(event))
}
// GetAllEvents возвращает все события
func (h *EventHandler) GetAllEvents(w http.ResponseWriter, r *http.Request) {
h.logger.Info("handling get all events request",
zap.String("method", r.Method),
zap.String("path", r.URL.Path),
zap.String("remote_addr", r.RemoteAddr),
)
events, err := h.eventService.GetAllEvents()
if err != nil {
h.logger.Error("failed to get events", zap.Error(err))
utils.RespondWithError(w, http.StatusInternalServerError, "Failed to get events: "+err.Error())
return
}
// Преобразуем в response формат
var eventResponses []EventResponse
for _, event := range events {
eventResponses = append(eventResponses, toEventResponse(&event))
}
h.logger.Info("events list retrieved successfully",
zap.Int("events_count", len(eventResponses)),
)
utils.RespondWithJSON(w, http.StatusOK, eventResponses)
}
// UpdateEvent обновляет событие
func (h *EventHandler) UpdateEvent(w http.ResponseWriter, r *http.Request) {
h.logger.Info("handling update event request",
zap.String("method", r.Method),
zap.String("path", r.URL.Path),
zap.String("remote_addr", r.RemoteAddr),
)
// Проверяем аутентификацию и права
user, ok := middleware.GetUserFromContext(r.Context())
if !ok {
h.logger.Warn("update event failed - authentication required")
utils.RespondWithError(w, http.StatusUnauthorized, "Authentication required")
return
}
if user.Role != "admin" {
h.logger.Warn("update event failed - insufficient permissions",
zap.Uint("user_id", user.ID),
zap.String("user_role", user.Role),
)
utils.RespondWithError(w, http.StatusForbidden, "Insufficient permissions")
return
}
// Извлекаем ID события
eventID, err := strconv.ParseUint(r.PathValue("id"), 10, 32)
if err != nil {
h.logger.Warn("invalid event ID", zap.Error(err))
utils.RespondWithError(w, http.StatusBadRequest, "Invalid event ID")
return
}
var req UpdateEventRequest
if err := utils.DecodeJSONBody(w, r, &req); err != nil {
h.logger.Error("failed to decode request body", zap.Error(err))
utils.RespondWithError(w, http.StatusBadRequest, "Invalid request payload: "+err.Error())
return
}
// Валидация
if err := utils.ValidateStruct(req); err != nil {
h.logger.Warn("validation failed for update event", zap.Error(err))
utils.RespondWithValidationError(w, err)
return
}
// Создаем модель события для обновления
event := &models.Event{
ID: uint(eventID),
Title: req.Title,
Description: req.Description,
Date: req.Date,
Location: req.Location,
Type: req.Type,
Distance: req.Distance,
MaxParticipants: req.MaxParticipants,
RegistrationOpen: req.RegistrationOpen,
Image: req.Image,
}
if err := h.eventService.UpdateEvent(event); err != nil {
h.logger.Error("failed to update event",
zap.Uint("event_id", uint(eventID)),
zap.Error(err),
)
utils.RespondWithError(w, http.StatusInternalServerError, "Failed to update event: "+err.Error())
return
}
h.logger.Info("event updated successfully",
zap.Uint("event_id", uint(eventID)),
zap.String("title", event.Title),
)
utils.RespondWithJSON(w, http.StatusOK, map[string]interface{}{
"message": "Event updated successfully",
"event": toEventResponse(event),
})
}
// DeleteEvent удаляет событие
func (h *EventHandler) DeleteEvent(w http.ResponseWriter, r *http.Request) {
h.logger.Info("handling delete event request",
zap.String("method", r.Method),
zap.String("path", r.URL.Path),
zap.String("remote_addr", r.RemoteAddr),
)
// Проверяем аутентификацию и права
user, ok := middleware.GetUserFromContext(r.Context())
if !ok {
h.logger.Warn("delete event failed - authentication required")
utils.RespondWithError(w, http.StatusUnauthorized, "Authentication required")
return
}
if user.Role != "admin" {
h.logger.Warn("delete event failed - insufficient permissions",
zap.Uint("user_id", user.ID),
zap.String("user_role", user.Role),
)
utils.RespondWithError(w, http.StatusForbidden, "Insufficient permissions")
return
}
// Извлекаем ID события
eventID, err := strconv.ParseUint(r.PathValue("id"), 10, 32)
if err != nil {
h.logger.Warn("invalid event ID", zap.Error(err))
utils.RespondWithError(w, http.StatusBadRequest, "Invalid event ID")
return
}
if err := h.eventService.DeleteEvent(uint(eventID)); err != nil {
h.logger.Error("failed to delete event",
zap.Uint("event_id", uint(eventID)),
zap.Error(err),
)
utils.RespondWithError(w, http.StatusInternalServerError, "Failed to delete event: "+err.Error())
return
}
h.logger.Info("event deleted successfully",
zap.Uint("event_id", uint(eventID)),
)
utils.RespondWithJSON(w, http.StatusOK, map[string]string{
"message": "Event deleted successfully",
})
}
// GetEventsByType возвращает события по типу
func (h *EventHandler) GetEventsByType(w http.ResponseWriter, r *http.Request) {
h.logger.Info("handling get events by type request",
zap.String("method", r.Method),
zap.String("path", r.URL.Path),
zap.String("remote_addr", r.RemoteAddr),
)
eventType := models.EventType(r.PathValue("type"))
// Валидация типа события
validTypes := []models.EventType{"race", "training", "social", "workshop"}
if !isValidEventType(eventType, validTypes) {
h.logger.Warn("invalid event type", zap.String("event_type", string(eventType)))
utils.RespondWithError(w, http.StatusBadRequest, "Invalid event type")
return
}
events, err := h.eventService.GetEventsByType(eventType)
if err != nil {
h.logger.Error("failed to get events by type",
zap.String("event_type", string(eventType)),
zap.Error(err),
)
utils.RespondWithError(w, http.StatusInternalServerError, "Failed to get events: "+err.Error())
return
}
var eventResponses []EventResponse
for _, event := range events {
eventResponses = append(eventResponses, toEventResponse(&event))
}
h.logger.Info("events by type retrieved successfully",
zap.String("event_type", string(eventType)),
zap.Int("events_count", len(eventResponses)),
)
utils.RespondWithJSON(w, http.StatusOK, eventResponses)
}
// GetUpcomingEvents возвращает предстоящие события
func (h *EventHandler) GetUpcomingEvents(w http.ResponseWriter, r *http.Request) {
h.logger.Info("handling get upcoming events request",
zap.String("method", r.Method),
zap.String("path", r.URL.Path),
zap.String("remote_addr", r.RemoteAddr),
)
events, err := h.eventService.GetUpcomingEvents()
if err != nil {
h.logger.Error("failed to get upcoming events", zap.Error(err))
utils.RespondWithError(w, http.StatusInternalServerError, "Failed to get upcoming events: "+err.Error())
return
}
var eventResponses []EventResponse
for _, event := range events {
eventResponses = append(eventResponses, toEventResponse(&event))
}
h.logger.Info("upcoming events retrieved successfully",
zap.Int("events_count", len(eventResponses)),
)
utils.RespondWithJSON(w, http.StatusOK, eventResponses)
}
// ToggleRegistrationStatus переключает статус регистрации
func (h *EventHandler) ToggleRegistrationStatus(w http.ResponseWriter, r *http.Request) {
h.logger.Info("handling toggle registration status request",
zap.String("method", r.Method),
zap.String("path", r.URL.Path),
zap.String("remote_addr", r.RemoteAddr),
)
// Проверяем аутентификацию и права
user, ok := middleware.GetUserFromContext(r.Context())
if !ok {
h.logger.Warn("toggle registration status failed - authentication required")
utils.RespondWithError(w, http.StatusUnauthorized, "Authentication required")
return
}
if user.Role != "admin" {
h.logger.Warn("toggle registration status failed - insufficient permissions",
zap.Uint("user_id", user.ID),
zap.String("user_role", user.Role),
)
utils.RespondWithError(w, http.StatusForbidden, "Insufficient permissions")
return
}
// Извлекаем ID события
eventID, err := strconv.ParseUint(r.PathValue("id"), 10, 32)
if err != nil {
h.logger.Warn("invalid event ID", zap.Error(err))
utils.RespondWithError(w, http.StatusBadRequest, "Invalid event ID")
return
}
var req struct {
RegistrationOpen bool `json:"registration_open" validate:"required"`
}
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
h.logger.Error("failed to decode request body", zap.Error(err))
utils.RespondWithError(w, http.StatusBadRequest, "Invalid request payload")
return
}
if err := h.eventService.ToggleRegistrationStatus(uint(eventID), req.RegistrationOpen); err != nil {
h.logger.Error("failed to toggle registration status",
zap.Uint("event_id", uint(eventID)),
zap.Bool("registration_open", req.RegistrationOpen),
zap.Error(err),
)
utils.RespondWithError(w, http.StatusInternalServerError, "Failed to toggle registration status: "+err.Error())
return
}
h.logger.Info("registration status toggled successfully",
zap.Uint("event_id", uint(eventID)),
zap.Bool("registration_open", req.RegistrationOpen),
)
utils.RespondWithJSON(w, http.StatusOK, map[string]string{
"message": "Registration status updated successfully",
})
}
// toEventResponse преобразует модель события в response DTO
func toEventResponse(event *models.Event) EventResponse {
return EventResponse{
ID: event.ID,
Title: event.Title,
Description: event.Description,
Date: event.Date,
Location: event.Location,
Type: event.Type,
Distance: event.Distance,
ParticipantsCount: event.ParticipantsCount,
MaxParticipants: event.MaxParticipants,
RegistrationOpen: event.RegistrationOpen,
Image: event.Image,
CreatedAt: event.CreatedAt,
UpdatedAt: event.UpdatedAt,
}
}
// isValidEventType проверяет валидность типа события
func isValidEventType(eventType models.EventType, validTypes []models.EventType) bool {
for _, validType := range validTypes {
if eventType == validType {
return true
}
}
return false
}