shop.tonybtw.com

https://git.tonybtw.com/shop.tonybtw.com.git git://git.tonybtw.com/shop.tonybtw.com.git

3,770 bytes raw

package handlers

import (
	"net/http"
	"strconv"

	"shop.tonybtw.com/internal/lib"
	"shop.tonybtw.com/internal/models"
	"shop.tonybtw.com/internal/views"
)

type Cart_Handler struct {
	ctx *lib.App_Context
}

func New_Cart_Handler(ctx *lib.App_Context) *Cart_Handler {
	return &Cart_Handler{ctx: ctx}
}

func (h *Cart_Handler) Show_Cart(w http.ResponseWriter, r *http.Request) {
	session_id := lib.Get_Session_ID(r)
	cart_json := h.ctx.Session_Store.Get_Cart(session_id)
	cart, _ := models.Parse_Cart(cart_json)

	items, err := models.Get_Cart_Items_With_Details(h.ctx.DB, cart)
	if err != nil {
		http.Error(w, "Failed to load cart", http.StatusInternalServerError)
		return
	}

	total := models.Get_Cart_Total(items)
	cart_count := models.Count_Cart_Items(cart)

	views.Cart(items, total, cart_count).Render(r.Context(), w)
}

func (h *Cart_Handler) Add_Item(w http.ResponseWriter, r *http.Request) {
	if err := r.ParseForm(); err != nil {
		http.Error(w, "Invalid form", http.StatusBadRequest)
		return
	}

	product_id, _ := strconv.Atoi(r.FormValue("product_id"))
	variant_id, _ := strconv.Atoi(r.FormValue("variant_id"))
	quantity, _ := strconv.Atoi(r.FormValue("quantity"))

	if quantity < 1 {
		quantity = 1
	}

	session_id := lib.Get_Or_Create_Session_ID(w, r)
	cart_json := h.ctx.Session_Store.Get_Cart(session_id)
	cart, _ := models.Parse_Cart(cart_json)

	cart = models.Add_To_Cart(cart, product_id, variant_id, quantity)

	updated_cart_json, _ := models.Serialize_Cart(cart)
	h.ctx.Session_Store.Set_Cart(session_id, updated_cart_json)

	cart_count := models.Count_Cart_Items(cart)

	if lib.Is_HTMX_Request(r) {
		views.Cart_Widget(cart_count).Render(r.Context(), w)
		return
	}

	referer := r.Header.Get("Referer")
	if referer == "" {
		referer = "/"
	}
	lib.Redirect(w, r, referer)
}

func (h *Cart_Handler) Update_Item(w http.ResponseWriter, r *http.Request) {
	if err := r.ParseForm(); err != nil {
		http.Error(w, "Invalid form", http.StatusBadRequest)
		return
	}

	product_id, _ := strconv.Atoi(r.FormValue("product_id"))
	variant_id, _ := strconv.Atoi(r.FormValue("variant_id"))
	quantity, _ := strconv.Atoi(r.FormValue("quantity"))

	session_id := lib.Get_Session_ID(r)
	cart_json := h.ctx.Session_Store.Get_Cart(session_id)
	cart, _ := models.Parse_Cart(cart_json)

	if quantity == 0 {
		cart = models.Remove_From_Cart(cart, product_id, variant_id)
	} else {
		cart = models.Update_Cart_Quantity(cart, product_id, variant_id, quantity)
	}

	updated_cart_json, _ := models.Serialize_Cart(cart)
	h.ctx.Session_Store.Set_Cart(session_id, updated_cart_json)

	items, err := models.Get_Cart_Items_With_Details(h.ctx.DB, cart)
	if err != nil {
		http.Error(w, "Failed to load cart", http.StatusInternalServerError)
		return
	}

	if lib.Is_HTMX_Request(r) {
		views.Cart_Items(items).Render(r.Context(), w)
		return
	}

	lib.Redirect(w, r, "/cart")
}

func (h *Cart_Handler) Remove_Item(w http.ResponseWriter, r *http.Request) {
	if err := r.ParseForm(); err != nil {
		http.Error(w, "Invalid form", http.StatusBadRequest)
		return
	}

	product_id, _ := strconv.Atoi(r.FormValue("product_id"))
	variant_id, _ := strconv.Atoi(r.FormValue("variant_id"))

	session_id := lib.Get_Session_ID(r)
	cart_json := h.ctx.Session_Store.Get_Cart(session_id)
	cart, _ := models.Parse_Cart(cart_json)

	cart = models.Remove_From_Cart(cart, product_id, variant_id)

	updated_cart_json, _ := models.Serialize_Cart(cart)
	h.ctx.Session_Store.Set_Cart(session_id, updated_cart_json)

	items, err := models.Get_Cart_Items_With_Details(h.ctx.DB, cart)
	if err != nil {
		http.Error(w, "Failed to load cart", http.StatusInternalServerError)
		return
	}

	if lib.Is_HTMX_Request(r) {
		views.Cart_Items(items).Render(r.Context(), w)
		return
	}

	lib.Redirect(w, r, "/cart")
}

1	`package handlers`
2
3	`import (`
4	`"net/http"`
5	`"strconv"`
6
7	`"shop.tonybtw.com/internal/lib"`
8	`"shop.tonybtw.com/internal/models"`
9	`"shop.tonybtw.com/internal/views"`
10	`)`
11
12	`type Cart_Handler struct {`
13	`ctx *lib.App_Context`
14	`}`
15
16	`func New_Cart_Handler(ctx lib.App_Context) Cart_Handler {`
17	`return &Cart_Handler{ctx: ctx}`
18	`}`
19
20	`func (h Cart_Handler) Show_Cart(w http.ResponseWriter, r http.Request) {`
21	`session_id := lib.Get_Session_ID(r)`
22	`cart_json := h.ctx.Session_Store.Get_Cart(session_id)`
23	`cart, _ := models.Parse_Cart(cart_json)`
24
25	`items, err := models.Get_Cart_Items_With_Details(h.ctx.DB, cart)`
26	`if err != nil {`
27	`http.Error(w, "Failed to load cart", http.StatusInternalServerError)`
28	`return`
29	`}`
30
31	`total := models.Get_Cart_Total(items)`
32	`cart_count := models.Count_Cart_Items(cart)`
33
34	`views.Cart(items, total, cart_count).Render(r.Context(), w)`
35	`}`
36
37	`func (h Cart_Handler) Add_Item(w http.ResponseWriter, r http.Request) {`
38	`if err := r.ParseForm(); err != nil {`
39	`http.Error(w, "Invalid form", http.StatusBadRequest)`
40	`return`
41	`}`
42
43	`product_id, _ := strconv.Atoi(r.FormValue("product_id"))`
44	`variant_id, _ := strconv.Atoi(r.FormValue("variant_id"))`
45	`quantity, _ := strconv.Atoi(r.FormValue("quantity"))`
46
47	`if quantity < 1 {`
48	`quantity = 1`
49	`}`
50
51	`session_id := lib.Get_Or_Create_Session_ID(w, r)`
52	`cart_json := h.ctx.Session_Store.Get_Cart(session_id)`
53	`cart, _ := models.Parse_Cart(cart_json)`
54
55	`cart = models.Add_To_Cart(cart, product_id, variant_id, quantity)`
56
57	`updated_cart_json, _ := models.Serialize_Cart(cart)`
58	`h.ctx.Session_Store.Set_Cart(session_id, updated_cart_json)`
59
60	`cart_count := models.Count_Cart_Items(cart)`
61
62	`if lib.Is_HTMX_Request(r) {`
63	`views.Cart_Widget(cart_count).Render(r.Context(), w)`
64	`return`
65	`}`
66
67	`referer := r.Header.Get("Referer")`
68	`if referer == "" {`
69	`referer = "/"`
70	`}`
71	`lib.Redirect(w, r, referer)`
72	`}`
73
74	`func (h Cart_Handler) Update_Item(w http.ResponseWriter, r http.Request) {`
75	`if err := r.ParseForm(); err != nil {`
76	`http.Error(w, "Invalid form", http.StatusBadRequest)`
77	`return`
78	`}`
79
80	`product_id, _ := strconv.Atoi(r.FormValue("product_id"))`
81	`variant_id, _ := strconv.Atoi(r.FormValue("variant_id"))`
82	`quantity, _ := strconv.Atoi(r.FormValue("quantity"))`
83
84	`session_id := lib.Get_Session_ID(r)`
85	`cart_json := h.ctx.Session_Store.Get_Cart(session_id)`
86	`cart, _ := models.Parse_Cart(cart_json)`
87
88	`if quantity == 0 {`
89	`cart = models.Remove_From_Cart(cart, product_id, variant_id)`
90	`} else {`
91	`cart = models.Update_Cart_Quantity(cart, product_id, variant_id, quantity)`
92	`}`
93
94	`updated_cart_json, _ := models.Serialize_Cart(cart)`
95	`h.ctx.Session_Store.Set_Cart(session_id, updated_cart_json)`
96
97	`items, err := models.Get_Cart_Items_With_Details(h.ctx.DB, cart)`
98	`if err != nil {`
99	`http.Error(w, "Failed to load cart", http.StatusInternalServerError)`
100	`return`
101	`}`
102
103	`if lib.Is_HTMX_Request(r) {`
104	`views.Cart_Items(items).Render(r.Context(), w)`
105	`return`
106	`}`
107
108	`lib.Redirect(w, r, "/cart")`
109	`}`
110
111	`func (h Cart_Handler) Remove_Item(w http.ResponseWriter, r http.Request) {`
112	`if err := r.ParseForm(); err != nil {`
113	`http.Error(w, "Invalid form", http.StatusBadRequest)`
114	`return`
115	`}`
116
117	`product_id, _ := strconv.Atoi(r.FormValue("product_id"))`
118	`variant_id, _ := strconv.Atoi(r.FormValue("variant_id"))`
119
120	`session_id := lib.Get_Session_ID(r)`
121	`cart_json := h.ctx.Session_Store.Get_Cart(session_id)`
122	`cart, _ := models.Parse_Cart(cart_json)`
123
124	`cart = models.Remove_From_Cart(cart, product_id, variant_id)`
125
126	`updated_cart_json, _ := models.Serialize_Cart(cart)`
127	`h.ctx.Session_Store.Set_Cart(session_id, updated_cart_json)`
128
129	`items, err := models.Get_Cart_Items_With_Details(h.ctx.DB, cart)`
130	`if err != nil {`
131	`http.Error(w, "Failed to load cart", http.StatusInternalServerError)`
132	`return`
133	`}`
134
135	`if lib.Is_HTMX_Request(r) {`
136	`views.Cart_Items(items).Render(r.Context(), w)`
137	`return`
138	`}`
139
140	`lib.Redirect(w, r, "/cart")`
141	`}`