87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
package placement
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import (
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"strings"
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brandentity "haixun-backend/internal/model/brand/domain/entity"
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)
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func BuildMergedProductContext(brandName, productContext, productLabel string) string {
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fields := ParseProductContext(productContext)
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if name := strings.TrimSpace(brandName); name != "" {
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fields.Brand = name
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}
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if label := strings.TrimSpace(productLabel); label != "" && fields.Product == "" {
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fields.Product = label
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}
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return SerializeProductContext(fields)
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}
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func RecommendProduct(products []brandentity.Product, searchTag, defaultProductID string) *brandentity.Product {
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if len(products) == 0 {
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return nil
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}
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var defaultProduct *brandentity.Product
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if id := strings.TrimSpace(defaultProductID); id != "" {
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for i := range products {
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if products[i].ID == id {
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defaultProduct = &products[i]
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break
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}
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}
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}
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tag := strings.TrimSpace(searchTag)
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if tag == "" {
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if defaultProduct != nil {
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return defaultProduct
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}
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return &products[0]
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}
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bestScore := -1
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var best *brandentity.Product
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for i := range products {
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score := ScoreProductForTag(tag, products[i].MatchTags)
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if score > bestScore {
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bestScore = score
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best = &products[i]
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}
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}
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if best != nil && bestScore > 0 {
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return best
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}
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if defaultProduct != nil {
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return defaultProduct
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}
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return &products[0]
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}
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func ResolveBrandProductContext(brand brandentity.Brand, productID, searchTag string) string {
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if len(brand.Products) > 0 {
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picked := RecommendProduct(brand.Products, searchTag, productID)
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if picked != nil {
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return BuildMergedProductContext(brand.DisplayName, picked.ProductContext, picked.Label)
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}
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}
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if formatted := ProductBriefFromContext(brand.ProductContext); formatted != "" {
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return formatted
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}
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if brief := strings.TrimSpace(brand.ProductBrief); brief != "" {
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return brief
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}
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return ""
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}
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func FindProduct(brand brandentity.Brand, productID string) *brandentity.Product {
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id := strings.TrimSpace(productID)
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if id == "" {
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return nil
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}
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for i := range brand.Products {
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if brand.Products[i].ID == id {
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return &brand.Products[i]
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}
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}
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return nil
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}
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