v0.30: product pages, categories, sale prices and order status timeline

internal/models/product.go

@@ -3,17 +3,38 @@ package models
 import "time"
 
 type Product struct {
-	ID          int
-	Name        string
-	Description string
-	Details     string
-	Price       float64
-	ImageURL    string
-	Category    string
-	IsActive    bool
-	CreatedAt   time.Time
-	UpdatedAt   time.Time
-	Images      []ProductImage
+	ID           int
+	Name         string
+	Description  string
+	Details      string
+	Price        float64
+	SalePrice    float64
+	ImageURL     string
+	Category     string
+	CategoryID   *int
+	CategorySlug string
+	IsActive     bool
+	CreatedAt    time.Time
+	UpdatedAt    time.Time
+	Images       []ProductImage
+}
+
+func (p Product) EffectivePrice() float64 {
+	if p.SalePrice > 0 && p.SalePrice < p.Price {
+		return p.SalePrice
+	}
+	return p.Price
+}
+
+func (p Product) HasSale() bool {
+	return p.SalePrice > 0 && p.SalePrice < p.Price
+}
+
+func (p Product) DiscountPercent() int {
+	if !p.HasSale() || p.Price <= 0 {
+		return 0
+	}
+	return int((1 - p.SalePrice/p.Price) * 100)
 }
 
 type ProductImage struct {
@@ -26,9 +47,12 @@ type ProductImage struct {
 }
 
 type Category struct {
-	Name  string
-	Slug  string
-	Count int
+	ID          int
+	Name        string
+	Slug        string
+	Description string
+	SortOrder   int
+	Count       int
 }
 
 type SiteStats struct {