From 6b83dcf6183ee15996e3ee16c6d54f6ba5646117 Mon Sep 17 00:00:00 2001
From: Marcos Fonseca <contato@marcosfonseca.com.br>
Date: Fri, 26 Jul 2024 17:40:34 -0300
Subject: [PATCH] Implementando service e repository para events

---
 .../internal/repository/event_repository.go   | 57 +++++++++++++++++++
 backend/internal/services/event_service.go    | 40 +++++++++++++
 2 files changed, 97 insertions(+)
 create mode 100644 backend/internal/repository/event_repository.go
 create mode 100644 backend/internal/services/event_service.go

diff --git a/backend/internal/repository/event_repository.go b/backend/internal/repository/event_repository.go
new file mode 100644
index 0000000..defed77
--- /dev/null
+++ b/backend/internal/repository/event_repository.go
@@ -0,0 +1,57 @@
+package repository
+
+import (
+	"faladev/internal/models"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type EventRepository struct {
+	db *gorm.DB
+}
+
+func NewEventRepository(db *gorm.DB) *EventRepository {
+	return &EventRepository{
+		db: db,
+	}
+}
+
+func (r *EventRepository) CreateEvent(event *models.Event) error {
+	return r.db.Create(event).Error
+}
+
+func (r *EventRepository) GetEventByID(id uint) (*models.Event, error) {
+	var event models.Event
+	err := r.db.First(&event, id).Error
+	if err != nil {
+		return nil, err
+	}
+	return &event, nil
+}
+
+func (r *EventRepository) UpdateEvent(event *models.Event) error {
+	return r.db.Save(event).Error
+}
+
+func (r *EventRepository) DeleteEvent(id uint) error {
+	return r.db.Delete(&models.Event{}, id).Error
+}
+
+func (r *EventRepository) ListEvents() ([]models.Event, error) {
+	var events []models.Event
+	err := r.db.Find(&events).Error
+	if err != nil {
+		return nil, err
+	}
+	return events, nil
+}
+
+func (r *EventRepository) GetNextEvent() (*models.Event, error) {
+	var event models.Event
+	err := r.db.Where("start_date >= ?", time.Now()).Order("start_date, start_time").Debug().First(&event).Error
+	if err != nil {
+		return nil, err
+	}
+	return &event, nil
+}
diff --git a/backend/internal/services/event_service.go b/backend/internal/services/event_service.go
new file mode 100644
index 0000000..805d047
--- /dev/null
+++ b/backend/internal/services/event_service.go
@@ -0,0 +1,40 @@
+package services
+
+import (
+	"faladev/internal/models"
+	"faladev/internal/repository"
+)
+
+type EventService struct {
+	repo *repository.EventRepository
+}
+
+func NewEventService(repo *repository.EventRepository) *EventService {
+	return &EventService{
+		repo: repo,
+	}
+}
+
+func (s *EventService) CreateEvent(event *models.Event) error {
+	return s.repo.CreateEvent(event)
+}
+
+func (s *EventService) GetEventByID(id uint) (*models.Event, error) {
+	return s.repo.GetEventByID(id)
+}
+
+func (s *EventService) UpdateEvent(event *models.Event) error {
+	return s.repo.UpdateEvent(event)
+}
+
+func (s *EventService) DeleteEvent(id uint) error {
+	return s.repo.DeleteEvent(id)
+}
+
+func (s *EventService) ListEvents() ([]models.Event, error) {
+	return s.repo.ListEvents()
+}
+
+func (s *EventService) GetNextEvent() (*models.Event, error) {
+	return s.repo.GetNextEvent()
+}