/
controller.go
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/
controller.go
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package controller
import (
"context"
"net/url"
"flamingo.me/flamingo/v3/framework/web"
"github.com/pkg/errors"
"golang.org/x/text/cases"
"golang.org/x/text/language"
"flamingo.me/flamingo-commerce/v3/product/application"
"flamingo.me/flamingo-commerce/v3/product/domain"
)
type (
// View demonstrates a product view controller
View struct {
Responder *web.Responder `inject:""`
domain.ProductService `inject:""`
URLService *application.URLService `inject:""`
Template string `inject:"config:commerce.product.view.template"`
Router *web.Router `inject:""`
}
// productViewData is used for product rendering
productViewData struct {
// simple / configurable / configurable_with_variant
RenderContext string
Product domain.BasicProduct
VariantSelected bool
VariantSelection variantSelection
BackURL string
}
// variantSelection for templating
variantSelection struct {
Attributes []viewVariantAttribute
Variants []viewVariant
}
viewVariantAttribute struct {
Key string
Title string
CodeLabel string
Options []viewVariantOption
}
viewVariantOption struct {
Key string
Title string
Combinations map[string][]string
Selected bool
Unit string
}
viewVariant struct {
Attributes map[string]string
Marketplacecode string
Title string
URL string
InStock bool
}
)
func (vc *View) variantSelection(configurable domain.ConfigurableProduct, activeVariant *domain.Variant) variantSelection {
var variants variantSelection
combinations := make(map[string]map[string]map[string]map[string]bool)
titles := make(map[string]map[string]string)
units := make(map[string]map[string]string)
combinationsOrder := make(map[string][]string)
for _, attribute := range configurable.VariantVariationAttributes {
// attribute -> value -> combinableAttribute -> combinableValue -> true
combinations[attribute] = make(map[string]map[string]map[string]bool)
titles[attribute] = make(map[string]string)
units[attribute] = make(map[string]string)
for _, variant := range configurable.Variants {
titles[attribute][variant.Attributes[attribute].Value()] = variant.Attributes[attribute].Label
units[attribute][variant.Attributes[attribute].Value()] = variant.Attributes[attribute].UnitCode
for _, subattribute := range configurable.VariantVariationAttributes {
if _, ok := variant.Attributes[attribute]; !ok {
continue
}
if combinations[attribute][variant.Attributes[attribute].Value()] == nil {
combinations[attribute][variant.Attributes[attribute].Value()] = make(map[string]map[string]bool)
combinationsOrder[attribute] = append(combinationsOrder[attribute], variant.Attributes[attribute].Value())
}
// titles[variant.Attributes[subattribute].Value()] = variant.Attributes[subattribute].Label
if subattribute != attribute {
if _, ok := variant.Attributes[subattribute]; ok {
if combinations[attribute][variant.Attributes[attribute].Value()][subattribute] == nil {
combinations[attribute][variant.Attributes[attribute].Value()][subattribute] = make(map[string]bool)
}
combinations[attribute][variant.Attributes[attribute].Value()][subattribute][variant.Attributes[subattribute].Value()] = true
}
}
}
}
}
for _, code := range configurable.VariantVariationAttributes {
attribute := combinations[code]
codeLabel := ""
if len(configurable.Variants) > 0 {
codeLabel = configurable.Variants[0].BaseData().Attributes.Attribute(code).CodeLabel
}
viewVariantAttribute := viewVariantAttribute{
Key: code,
Title: cases.Title(language.Und).String(code),
CodeLabel: codeLabel,
}
options := append([]string{}, configurable.VariantVariationAttributesSorting[viewVariantAttribute.Key]...)
options = append(options, combinationsOrder[viewVariantAttribute.Key]...)
knownOption := make(map[string]struct{}, len(options))
for _, optionCode := range options {
option, ok := attribute[optionCode]
if _, known := knownOption[optionCode]; !ok || known {
continue
}
knownOption[optionCode] = struct{}{}
combinations := make(map[string][]string)
for cattr, cvalues := range option {
for cvalue := range cvalues {
combinations[cattr] = append(combinations[cattr], cvalue)
}
}
var selected bool
if activeVariant != nil && activeVariant.Attributes[code].Value() == optionCode {
selected = true
}
label, ok := titles[code][optionCode]
if !ok || label == "" {
label = cases.Title(language.Und).String(optionCode)
}
viewVariantAttribute.Options = append(viewVariantAttribute.Options, viewVariantOption{
Key: optionCode,
Title: label,
Selected: selected,
Combinations: combinations,
Unit: units[code][optionCode],
})
}
variants.Attributes = append(variants.Attributes, viewVariantAttribute)
}
for _, variant := range configurable.Variants {
urlName := web.URLTitle(variant.BasicProductData.Title)
variantURL, _ := vc.Router.URL("product.view", map[string]string{"marketplacecode": configurable.MarketPlaceCode, "variantcode": variant.MarketPlaceCode, "name": urlName})
attributes := make(map[string]string)
for _, attr := range variants.Attributes {
if !variant.HasAttribute(attr.Key) {
continue
}
attributes[attr.Key] = variant.Attributes[attr.Key].Value()
}
variants.Variants = append(variants.Variants, viewVariant{
Title: variant.Title,
Marketplacecode: variant.MarketPlaceCode,
URL: variantURL.String(),
Attributes: attributes,
InStock: variant.IsInStock(),
})
}
return variants
}
// Get Response for Product matching sku param
func (vc *View) Get(c context.Context, r *web.Request) web.Result {
product, err := vc.ProductService.Get(c, r.Params["marketplacecode"])
skipnamecheck := r.Params["skipnamecheck"]
// catch error
if err != nil {
switch errors.Cause(err).(type) {
case domain.ProductNotFound:
return vc.Responder.NotFound(err)
default:
return vc.Responder.ServerError(err)
}
}
var viewData productViewData
// 1. Handle Configurables
if product.Type() == domain.TypeConfigurable {
configurableProduct := product.(domain.ConfigurableProduct)
var activeVariant *domain.Variant
viewData = productViewData{}
variantCode, ok := r.Params["variantcode"]
if !ok {
// Redirect if url is not canonical
redirect := vc.getRedirectIfRequired(configurableProduct, r, skipnamecheck)
if redirect != nil {
return redirect
}
// 1.A. No variant selected
viewData.VariantSelected = false
viewData.RenderContext = "configurable"
viewData.Product = configurableProduct
} else {
configurableProductWithActiveVariant, err := configurableProduct.GetConfigurableWithActiveVariant(variantCode)
if err != nil {
return vc.Responder.NotFound(err)
}
activeVariant = &configurableProductWithActiveVariant.ActiveVariant
// Redirect if url is not canonical
redirect := vc.getRedirectIfRequired(configurableProductWithActiveVariant, r, skipnamecheck)
if redirect != nil {
return redirect
}
viewData.VariantSelected = true
viewData.RenderContext = "configurable_with_activevariant"
viewData.Product = configurableProductWithActiveVariant
}
viewData.VariantSelection = vc.variantSelection(configurableProduct, activeVariant)
} else {
// Redirect if url is not canonical
redirect := vc.getRedirectIfRequired(product, r, skipnamecheck)
if redirect != nil {
return redirect
}
// 2. Handle Simples
simpleProduct := product.(domain.SimpleProduct)
viewData = productViewData{Product: simpleProduct, RenderContext: "simple"}
}
backURL, err := r.Query1("backurl")
if err == nil {
viewData.BackURL = backURL
}
return vc.Responder.Render(vc.Template, viewData)
}
func (vc *View) getRedirectIfRequired(product domain.BasicProduct, r *web.Request, skipnamecheck string) *web.URLRedirectResponse {
currentNameParameter := r.Params["name"]
var allParams url.Values
if r.QueryAll() != nil {
allParams = url.Values(r.QueryAll())
}
if skipnamecheck != "" {
return nil
}
// Redirect if url is not canonical
if vc.URLService.GetNameParam(product, "") != currentNameParameter {
if redirectURL, err := vc.URLService.Get(product, ""); err == nil {
newURL, _ := url.Parse(redirectURL)
if len(allParams) > 0 {
newURL.RawQuery = allParams.Encode()
}
return vc.Responder.URLRedirect(newURL).Permanent()
}
}
return nil
}