101 lines
2.7 KiB
Go
101 lines
2.7 KiB
Go
package repositories
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import (
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"app/models"
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"gorm.io/gorm"
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)
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type Carts_items interface {
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Create(*models.Cart_items) error
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GetItems(id uint, status string) ([]models.Cart_items, error)
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IncreaseQuantity(id uint) error
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DecreaseQuantity(id uint) error
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UpdateStatus(id uint) error
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Remove(id uint) error
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}
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type Cart_items_repository struct {
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DB *gorm.DB
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}
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func newCartsItemsRepository(db *gorm.DB) Carts_items {
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return &Cart_items_repository{DB: db}
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}
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func (r *Cart_items_repository) Create(cart_items *models.Cart_items) error {
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if err := r.DB.Create(&cart_items).Error; err != nil {
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return err
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}
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return nil
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}
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func (r *Cart_items_repository) GetItems(id uint, status string) ([]models.Cart_items, error) {
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var items []models.Cart_items
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if err := r.DB.Where("is_removed = ?", false).Where("cart_id = ? ", id).Where("status = ?", status).Find(&items).Error; err != nil {
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return nil, err
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}
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return items, nil
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}
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func (r *Cart_items_repository) IncreaseQuantity(id uint) error {
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var item models.Cart_items
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if err := r.DB.Where("is_removed = ?", false).Where("status = ? ", "pending").Where("cart_item_id = ?", id).First(&item).Error; err != nil {
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return err
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}
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quantity := item.Quantity + 1
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if err := r.DB.Where("is_removed = ? ", false).Where("cart_item_id = ?", id).Model(&item).Update("quantity", quantity).Error; err != nil {
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return err
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}
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if err := r.DB.Where("is_removed = ? ", false).Where("cart_item_id = ?", id).Model(&item).Update("price", item.PricePerUnit*uint64(quantity)).Error; err != nil {
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return err
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}
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return nil
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}
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func (r *Cart_items_repository) DecreaseQuantity(id uint) error {
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var item, temp models.Cart_items
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if err := r.DB.Where("is_removed = ?", false).Where("status = pending").Where("cart_item_id = ?", id).First(&item).Error; err != nil {
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return err
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}
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if item.Quantity > 1 {
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quantity := item.Quantity - 1
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price := item.Price * uint64(quantity)
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if err := r.DB.Where("is_removed = ? ", false).Where("cart_item_id = ?", id).Model(&temp).Update("quantity", quantity).Error; err != nil {
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return err
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}
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if err := r.DB.Where("is_removed = ? ", false).Where("cart_item_id = ?", id).Model(&temp).Update("price", price).Error; err != nil {
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return err
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}
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}
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return nil
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}
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func (r *Cart_items_repository) UpdateStatus(id uint) error {
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var item models.Cart_items
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if err := r.DB.Where("is_removed = ?", false).Where("cart_item_id = ?", id).Model(&item).Update("status", "purchased").Error; err != nil {
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return err
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}
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return nil
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}
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func (r *Cart_items_repository) Remove(id uint) error {
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var cart_items models.Cart_items
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if err := r.DB.Where("cart_item_id = ?", id).Model(&cart_items).Update("is_removed", true).Error; err != nil {
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return err
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}
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return nil
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}
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