Backend: add Subscription CRUD

internal/repositories/subscription_model_repository.go

@@ -10,8 +10,11 @@ import (
 
 type SubscriptionModelsRepositoryInterface interface {
 	CreateSubscriptionModel(subscriptionModel *models.SubscriptionModel) (uint, error)
-	GetMembershipModelNames() ([]string, error)
+	UpdateSubscription(subscription *models.SubscriptionModel) (*models.SubscriptionModel, error)
+	GetSubscriptionModelNames() ([]string, error)
 	GetSubscriptions(where map[string]interface{}) (*[]models.SubscriptionModel, error)
+	// GetUsersBySubscription(id uint) (*[]models.SubscriptionModel, error)
+	DeleteSubscription(subscription *models.SubscriptionModel) error
 }
 
 type SubscriptionModelsRepository struct{}
@@ -25,15 +28,34 @@ func (sr *SubscriptionModelsRepository) CreateSubscriptionModel(subscriptionMode
 	return subscriptionModel.ID, nil
 }
 
-func GetModelByName(modelname *string) (*models.SubscriptionModel, error) {
+func (sr *SubscriptionModelsRepository) UpdateSubscription(subscription *models.SubscriptionModel) (*models.SubscriptionModel, error) {
+
+	result := database.DB.Model(&models.SubscriptionModel{ID: subscription.ID}).Updates(subscription)
+	if result.Error != nil {
+		return nil, result.Error
+	}
+	return subscription, nil
+}
+
+func (sr *SubscriptionModelsRepository) DeleteSubscription(subscription *models.SubscriptionModel) error {
+
+	result := database.DB.Delete(&models.SubscriptionModel{}, subscription.ID)
+	if result.Error != nil {
+		return result.Error
+	}
+	return nil
+}
+
+func GetSubscriptionByName(modelname *string) (*models.SubscriptionModel, error) {
 	var model models.SubscriptionModel
-	if err := database.DB.Where("name = ?", modelname).First(&model).Error; err != nil {
-		return nil, err
+	result := database.DB.Where("name = ?", modelname).First(&model)
+	if result.Error != nil {
+		return nil, result.Error
 	}
 	return &model, nil
 }
 
-func (sr *SubscriptionModelsRepository) GetMembershipModelNames() ([]string, error) {
+func (sr *SubscriptionModelsRepository) GetSubscriptionModelNames() ([]string, error) {
 	var names []string
 	if err := database.DB.Model(&models.SubscriptionModel{}).Pluck("name", &names).Error; err != nil {
 		return []string{}, err
@@ -52,3 +74,24 @@ func (sr *SubscriptionModelsRepository) GetSubscriptions(where map[string]interf
 	}
 	return &subscriptions, nil
 }
+
+func GetUsersBySubscription(subscriptionID uint) (*[]models.User, error) {
+	var users []models.User
+
+	err := database.DB.Preload("Membership").
+		Preload("Membership.SubscriptionModel").
+		Preload("BankAccount").
+		Preload("Licence").
+		Preload("Licence.Categories").
+		Joins("JOIN memberships ON users.membership_id = memberships.id").
+		Joins("JOIN subscription_models ON memberships.subscription_model_id = subscription_models.id").
+		Where("subscription_models.id = ?", subscriptionID).
+		Find(&users).Error
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &users, nil
+
+}