/
shoppingcart.go
40 lines (32 loc) · 1.25 KB
/
shoppingcart.go
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package handlers
import (
"encoding/json"
"log"
"net/http"
"strings"
"github.com/EngineerKamesh/igb/igweb/common"
"github.com/EngineerKamesh/igb/igweb/shared/models"
"github.com/EngineerKamesh/igb/igweb/shared/templatedata"
"go.isomorphicgo.org/go/isokit"
)
func ShoppingCartHandler(env *common.Env) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var templateData *templatedata.ShoppingCart
var cart *models.ShoppingCart
igwSession, _ := env.Store.Get(r, "igweb-session")
if _, ok := igwSession.Values["shoppingCart"]; ok == true {
// Shopping cart exists in session
decoder := json.NewDecoder(strings.NewReader(string(igwSession.Values["shoppingCart"].([]byte))))
err := decoder.Decode(&cart)
if err != nil {
log.Print("Encountered error when attempting to decode json data from session: ", err)
}
products := env.DB.GetProductsInShoppingCart(cart)
templateData = &templatedata.ShoppingCart{PageTitle: "Shopping Cart", Products: products}
} else {
// Shopping cart doesn't exist in session
templateData = &templatedata.ShoppingCart{PageTitle: "Shopping Cart", Products: nil}
}
env.TemplateSet.Render("shopping_cart_page", &isokit.RenderParams{Writer: w, Data: templateData})
})
}