Add sqlite database

.gitignore

@@ -12,3 +12,4 @@
 *.out
 
 static/icons/*
+*.db

db/db.go

@@ -0,0 +1,33 @@
+package db
+
+import (
+        "database/sql"
+        _ "github.com/mattn/go-sqlite3"
+    )
+
+var Database *sql.DB
+
+func DbConnect() {
+   Database, _ = sql.Open("sqlite3", "db.db")
+}
+
+func DbBuild()  {
+   statement, _ := Database.Prepare("CREATE TABLE IF NOT EXISTS Category (id INTEGER PRIMARY KEY, name TEXT)")
+   statement.Exec()
+   statement, _ = Database.Prepare("CREATE TABLE IF NOT EXISTS Product (id INTEGER PRIMARY KEY, categoryId INTEGER, name TEXT, description TEXT, imgUrl TEXT, quantity INTEGER, price INTEGER)")
+   statement.Exec()
+   statement, _ = Database.Prepare("CREATE TABLE IF NOT EXISTS PurchasementProduct (id INTEGER PRIMARY KEY, purchasementId INTEGER, productId INTEGER, quantity INTEGER, priceTotal INTEGER)")
+   statement.Exec()
+   statement, _ = Database.Prepare("CREATE TABLE IF NOT EXISTS Purchasement (id INTEGER PRIMARY KEY, priceTotal TEXT, firstName TEXT, lastName TEXT, paymentMethod INTEGER, deliveryDate TEXT)")
+   statement.Exec()
+}
+
+func DbInsert(table, columns, values string)  {
+   statement, _ := Database.Prepare("INSERT INTO "+ table +" ("+ columns +") VALUES ("+ values +")")
+   statement.Exec()
+}
+
+func DbSelect(table, columns string) *sql.Rows {
+   rows, _ := Database.Query("SELECT "+ columns +" FROM "+ table)
+   return rows
+}

initializers/initializers.go

@@ -2,8 +2,11 @@ package initializers
 
 import (
 	"net/http"
+	"database/sql"
+	"strconv"
 	. "Elektromarket/views"
 	. "Elektromarket/models"
+	. "Elektromarket/db"
 )
 
 func initializePages()  {
@@ -19,52 +22,68 @@ func initializePages()  {
 	Pages["paymentDone"] = Page{"/paymentDone", "templates/paymentDone.html", map[string]interface{}{}, PaymentDoneView}
 }
 
-func initializeData()  {
+func insertCategories()  {
-	Categories = []Category {
+	for i := range Categories {
-		{1, "Laptopy"},
+		DbInsert("Category", "name", "'"+Categories[i].Name+"'")
-		{2, "Komputery"},
-		{3, "Smartfony"},
-		{4, "Smartwatche"},
-		{5, "Monitory"},
-		{6, "Drukarki"},
-		{7, "Myszki"},
-		{8, "Klawiatury"},
-		{9, "Akcesoria"},
-	}
-
-	Products = []Product {
-		{
-			1,
-			GetCategoryByName("Laptopy"),
-			"Apple MacBook Air 128 GB",
-			"Procesor Intel Core i5 | Pamięć 8 GB | Dysk SSD M.2 PCIe 128 GB | Grafika Intel HD Graphics 6000 | Typ ekranu Błyszczący, LED | System macOS Sierra",
-			"https://cdn.x-kom.pl/i/setup/images/prod/big/product-big,apple-macbook-air-i58gb128gbhd-6000mac-os-368639,pr_2016_4_28_12_39_54_140.jpg",
-			11,
-			3999,
-		},
-		{
-			2,
-			GetCategoryByName("Laptopy"),
-			"Dell Inspiron 5370",
-			"Procesor Intel Core i5-8250U | Pamięć 8 GB | Dysk SSD M.2 256 GB | Grafika AMD Radeon 530, + Intel UHD Graphics 620 | Typ ekranu Matowy, LED | System Microsoft Windows 10 Home PL",
-			"https://cdn.x-kom.pl/i/setup/images/prod/big/product-big,dell-inspiron-5370-i5-8250u8gb256win10-r530-fhd-393456,2017/12/pr_2017_12_14_9_40_43_405_10.jpg",
-			5,
-			3249,
-		},
-		{
-			3,
-			GetCategoryByName("Komputery"),
-			"Dell Inspiron 3670",
-			"System Microsoft Windows 10 Home PL | Procesor Intel Core i7-8700 | Grafika NVIDIA GeForce GTX 1050Ti, + Intel UHD Graphics 630 | Pamięć RAM 8 GB | Dysk SSD PCIe 128 GB | Dysk HDD SATA 7200 obr. 1000 GB | Miejsce na dodatkowy wewnętrzny dysk SATA Możliwość montażu dwóch dysków SATA",
-			"https://cdn.x-kom.pl/i/setup/images/prod/big/product-big,dell-inspiron-3670-i7-87008gb1281000win10-gtx1050ti-447395,2018/9/pr_2018_9_20_15_45_5_770_00.jpg",
-			123,
-			4299,
-		},
 	}
 }
 
+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")
+	 var products map[int][]CartProduct
+	 for rowsProducts.Next() {
+		 var Pid, PpurchasementId, PproductId, Pquantity, PpriceTotal int
+        rows.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()  {
-	initializeData()
+	DbConnect()
+	DbBuild()
+	initializeCategories()
+	initializeProducts()
+	initializePurchasements()
    initializePages()
    for k := range Pages {
       http.HandleFunc(Pages[k].Path, Pages[k].HandlePage)

models/models.go

@@ -43,6 +43,7 @@ type Cart struct {
 }
 
 type Purchasement struct {
+	Id int
 	Products []CartProduct
 	PriceTotal int
 	FirstName string
@@ -66,6 +67,7 @@ var Categories []Category
 var Products []Product
 var ShoppingCart Cart
 var Purchasements []Purchasement
+var LastPurchasementId int
 
 func (p Product) Save()  {
 	for i:= range Products {

templates/purchasements.html

@@ -9,7 +9,7 @@
 </div>
 {{range $.purchasements}}
 <div class="cartItem">
-   <div class="cartItemColumn">1</div>
+   <div class="cartItemColumn">{{.Id}}</div>
    <div class="cartItemColumn">{{.FirstName}} {{.LastName}}</div>
    <div class="cartItemColumn">{{.PriceTotal}} zł</div>
    <div class="cartItemColumn">{{if eq .PaymentMethod 1}}Gotówka/ karta{{end}}{{if eq .PaymentMethod 2}}Raty 0% na 24 mies.{{end}}</div>

views/views.go

@@ -5,6 +5,7 @@ import (
    "strconv"
    "html/template"
 	. "Elektromarket/models"
+	. "Elektromarket/db"
 )
 
 func ExecuteView(w http.ResponseWriter, r *http.Request, templateName string, data map[string]interface{})  {
@@ -94,8 +95,13 @@ func PaymentDoneView(p Page, w http.ResponseWriter, r *http.Request)  {
 	pm, err := strconv.Atoi(r.URL.Query()["pm"][0])
 	dd := r.URL.Query()["dd"][0]
    if fn != "" && ln != "" && dd != "" && err == nil {
-		purchasement := Purchasement{ShoppingCart.Products, ShoppingCart.PriceTotal, fn, ln, pm, dd}
+		LastPurchasementId+=1
+		purchasement := Purchasement{LastPurchasementId, ShoppingCart.Products, ShoppingCart.PriceTotal, fn, ln, pm, dd}
 		Purchasements = append(Purchasements, purchasement)
+		DbInsert("Purchasement", "priceTotal, firstName, lastName, paymentMethod, deliveryDate", "'" +strconv.Itoa(purchasement.PriceTotal) +"','"+ purchasement.FirstName + "','" + purchasement.LastName + "','" + strconv.Itoa(purchasement.PaymentMethod) + "','" + purchasement.DeliveryDate +"'")
+		for i:= range purchasement.Products {
+			DbInsert("PurchasementProduct", "purchasementId, productId, quantity, priceTotal", "'" +strconv.Itoa(LastPurchasementId) + "','" + strconv.Itoa(purchasement.Products[i].Product.Id) + "','" + strconv.Itoa(purchasement.Products[i].Quantity) + "','" + strconv.Itoa(purchasement.Products[i].PriceTotal) + "'")
+		}
       ShoppingCart.Products = nil
 		ShoppingCart.Calculate()
    }