Elektromarket/initializers/initializers.go

package initializers

import (
	"net/http"
	"database/sql"
	"strconv"
	. "Elektromarket/views"
	. "Elektromarket/models"
	. "Elektromarket/db"
)

func initializePages()  {
   Pages = make(map[string]Page)
   Pages["index"] = Page{"/", "templates/index.html", map[string]interface{}{"categories": Categories}, IndexView}
	Pages["category"] = Page{"/category", "templates/category.html", map[string]interface{}{}, CategoryView}
	Pages["product"] = Page{"/product", "templates/product.html", map[string]interface{}{}, ProductView}
	Pages["cart"] = Page{"/cart", "templates/cart.html", map[string]interface{}{}, CartView}
	Pages["addToCart"] = Page{"/addToCart", "templates/addToCart.html", map[string]interface{}{}, AddToCartView}
	Pages["removeFromCart"] = Page{"/removeFromCart", "templates/removeFromCart.html", map[string]interface{}{}, RemoveFromCartView}
	Pages["checkout"] = Page{"/checkout", "templates/checkout.html", map[string]interface{}{}, CheckoutView}
	Pages["purchasements"] = Page{"/purchasements", "templates/purchasements.html", map[string]interface{}{}, PurchasementsView}
	Pages["paymentDone"] = Page{"/paymentDone", "templates/paymentDone.html", map[string]interface{}{}, PaymentDoneView}
	Pages["purchasement"] = Page{"/purchasement", "templates/purchasement.html", map[string]interface{}{}, PurchasementView}
}

func insertCategories()  {
	for i := range Categories {
		DbInsert("Category", "name", "'"+Categories[i].Name+"'")
	}
}

func insertProducts()  {
	for i := range Products {
		DbInsert("Product", "categoryId, name, description, imgUrl, quantity, price","'"+strconv.Itoa(Products[i].Category.Id)+"','"+Products[i].Name+"','"+Products[i].Description+"','"+Products[i].ImgUrl+"','"+strconv.Itoa(Products[i].Quantity)+"','"+strconv.Itoa(Products[i].Price)+"'")
	}
}

func initializeCategories()  {
	 var rows *sql.Rows = DbSelect("Category", "id, name")
	 var id int
    var name string
	 for rows.Next() {
        rows.Scan(&id, &name)
        Categories = append(Categories, Category{id, name})
    }
}

func initializeProducts()  {
	 var rows *sql.Rows = DbSelect("Product", "id, categoryId, name, description, imgUrl, quantity, price")
	 var id, categoryId, quantity, price int
    var name, description, imgUrl string
	 for rows.Next() {
        rows.Scan(&id, &categoryId, &name, &description, &imgUrl, &quantity, &price)
        Products = append(Products, Product{id, GetCategoryById(categoryId), name, description, imgUrl, quantity, price})
    }
}

func initializePurchasements()  {
	 var rows *sql.Rows = DbSelect("Purchasement", "id, priceTotal, firstName, lastName, paymentMethod, deliveryDate")
	 var rowsProducts *sql.Rows = DbSelect("PurchasementProduct", "id, purchasementId, productId, quantity, priceTotal")
	 products := make(map[int][]CartProduct)
	 for rowsProducts.Next() {
		 var pid, ppurchasementId, pproductId, pquantity, ppriceTotal int
        rowsProducts.Scan(&pid, &ppurchasementId, &pproductId, &pquantity, &ppriceTotal)
        products[ppurchasementId] = append(products[ppurchasementId], CartProduct{GetProductById(pproductId), pquantity, ppriceTotal})
    }
	 for rows.Next() {
		 var purchasementproducts []CartProduct
		 var id, priceTotal, paymentMethod int
		 var firstName, lastName, deliveryDate string
       rows.Scan(&id, &priceTotal, &firstName, &lastName, &paymentMethod, &deliveryDate)
		 for i := range products[id]{
	       purchasementproducts = append(purchasementproducts, products[id][i])

	    }
       Purchasements = append(Purchasements, Purchasement{id, purchasementproducts, priceTotal, firstName, lastName, paymentMethod, deliveryDate})
		 if id > LastPurchasementId {
			 LastPurchasementId = id
		 }
    }
}

func Initialize()  {
	DbConnect()
	DbBuild()
	initializeCategories()
	initializeProducts()
	initializePurchasements()
   initializePages()
   for k := range Pages {
      http.HandleFunc(Pages[k].Path, Pages[k].HandlePage)
   }
	http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
   http.ListenAndServe(":8000", nil)
}