shop.tonybtw.com

shop.tonybtw.com

https://git.tonybtw.com/shop.tonybtw.com.git git://git.tonybtw.com/shop.tonybtw.com.git
shop.tonybtw.com / internal / handlers / checkout.go
2,383 bytes raw
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package handlers
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import (
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	"fmt"
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	"net/http"
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	"shop.tonybtw.com/internal/lib"
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	"shop.tonybtw.com/internal/models"
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	"shop.tonybtw.com/internal/views"
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)
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type Checkout_Handler struct {
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	ctx *lib.App_Context
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}
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func New_Checkout_Handler(ctx *lib.App_Context) *Checkout_Handler {
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	return &Checkout_Handler{ctx: ctx}
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}
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func (h *Checkout_Handler) Show_Checkout(w http.ResponseWriter, r *http.Request) {
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	session_id := lib.Get_Session_ID(r)
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	cart_json := h.ctx.Session_Store.Get_Cart(session_id)
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	cart, _ := models.Parse_Cart(cart_json)
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	if len(cart) == 0 {
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		lib.Redirect(w, r, "/cart")
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		return
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	}
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	items, err := models.Get_Cart_Items_With_Details(h.ctx.DB, cart)
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	if err != nil {
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		http.Error(w, "Failed to load cart", http.StatusInternalServerError)
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		return
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	}
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	total := models.Get_Cart_Total(items)
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	csrf_token := lib.Get_CSRF_Token(session_id)
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	cart_count := models.Count_Cart_Items(cart)
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	views.Checkout(items, total, csrf_token, cart_count).Render(r.Context(), w)
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}
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func (h *Checkout_Handler) Create_Session(w http.ResponseWriter, r *http.Request) {
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	session_id := lib.Get_Session_ID(r)
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	cart_json := h.ctx.Session_Store.Get_Cart(session_id)
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	cart, _ := models.Parse_Cart(cart_json)
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	if len(cart) == 0 {
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		lib.Redirect(w, r, "/cart")
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		return
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	}
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	items, err := models.Get_Cart_Items_With_Details(h.ctx.DB, cart)
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	if err != nil {
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		http.Error(w, "Failed to load cart", http.StatusInternalServerError)
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		return
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	}
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	var line_items []lib.Stripe_Line_Item
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	for _, item := range items {
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		line_items = append(line_items, lib.Stripe_Line_Item{
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			Name:     fmt.Sprintf("%s (%s)", item.Name, item.Size),
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			Amount:   int64(item.Price),
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			Quantity: int64(item.Quantity),
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		})
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	}
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	host := r.Host
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	scheme := "http"
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	if r.TLS != nil {
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		scheme = "https"
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	}
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	success_url := fmt.Sprintf("%s://%s/success", scheme, host)
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	cancel_url := fmt.Sprintf("%s://%s/cart", scheme, host)
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	stripe_session, err := lib.Create_Checkout_Session(line_items, success_url, cancel_url)
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	if err != nil {
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		cart_count := models.Count_Cart_Items(cart)
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		views.Error("Failed to create checkout session", cart_count).Render(r.Context(), w)
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		return
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	}
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	lib.Redirect(w, r, stripe_session.URL)
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}
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func (h *Checkout_Handler) Show_Success(w http.ResponseWriter, r *http.Request) {
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	session_id := lib.Get_Session_ID(r)
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	h.ctx.Session_Store.Set_Cart(session_id, "")
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	views.Success(0).Render(r.Context(), w)
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}