/
orders.go
224 lines (199 loc) · 5.46 KB
/
orders.go
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package controllers
import (
"bytes"
"fmt"
"html/template"
"net/http"
"os"
"path"
"strconv"
"github.com/Sirupsen/logrus"
"github.com/denisbakhtin/ginshop/config"
"github.com/denisbakhtin/ginshop/models"
"github.com/gin-contrib/sessions"
"github.com/gin-gonic/gin"
gomail "gopkg.in/gomail.v2"
)
//OrderGet handles GET /admin/orders/:id route
func OrderGet(c *gin.Context) {
db := models.GetDB()
order := models.Order{}
user := activeUser(c)
if user.IsCustomer() {
db.Where("email = ?", user.Email).Preload("Products").First(&order, c.Param("id"))
} else {
db.Preload("Products").First(&order, c.Param("id"))
}
if order.ID == 0 {
c.HTML(http.StatusNotFound, "errors/404", nil)
return
}
h := DefaultH(c)
h["Title"] = fmt.Sprintf("Order №%d", order.ID)
h["Order"] = order
tmpl := "orders/show"
switch user.Role {
case models.MANAGER:
tmpl = "orders/manager_show"
case models.CUSTOMER:
tmpl = "orders/customer_show"
}
c.HTML(http.StatusOK, tmpl, h)
}
//OrderIndex handles GET /admin/orders route
func OrderIndex(c *gin.Context) {
db := models.GetDB()
var orders []models.Order
user := activeUser(c)
if user.IsCustomer() {
db.Order("id desc").Where("email = ?", user.Email).Find(&orders)
} else {
db.Order("id desc").Find(&orders)
}
h := DefaultH(c)
h["Title"] = "Orders"
h["Orders"] = orders
tmpl := "orders/index"
switch user.Role {
case models.MANAGER:
tmpl = "orders/manager_index"
case models.CUSTOMER:
tmpl = "orders/customer_index"
}
c.HTML(http.StatusOK, tmpl, h)
}
//OrderNew handles GET /new_order route
func OrderNew(c *gin.Context) {
h := DefaultH(c)
h["Title"] = "Order Checkout"
session := sessions.Default(c)
h["Flash"] = session.Flashes()
h["Order"] = models.Order{}
session.Save()
c.HTML(http.StatusOK, "orders/form", h)
}
//OrderCreate handles POST /new_order route
func OrderCreate(c *gin.Context) {
db := models.GetDB()
order := models.Order{}
session := sessions.Default(c)
if err := c.ShouldBind(&order); err != nil {
session.AddFlash(err.Error())
session.Save()
c.Redirect(http.StatusSeeOther, "/new_order")
return
}
cart := getCart(c)
if len(cart) == 0 {
session.AddFlash("Your cart is empty, order checkout impossible.")
session.Save()
c.Redirect(http.StatusSeeOther, "/new_order")
return
}
db.Where("id in(?)", getCartProductIDs(cart)).Find(&order.Products)
if err := db.Create(&order).Error; err != nil {
c.HTML(http.StatusInternalServerError, "errors/500", nil)
logrus.Error(err)
return
}
session.Delete("cart")
session.Save()
//send email notifications
notifyAdminOfOrder(c, &order)
notifyClientOfOrder(c, &order)
c.Redirect(http.StatusFound, fmt.Sprintf("/confirm_order/%d", order.ID))
}
//OrderConfirm handles GET /confirm_order/:id route
func OrderConfirm(c *gin.Context) {
db := models.GetDB()
order := models.Order{}
db.First(&order, c.Param("id"))
h := DefaultH(c)
h["Title"] = "Your order is being processed"
h["Order"] = order
c.HTML(http.StatusOK, "orders/confirm", h)
}
//OrderDelete handles POST /admin/orders/:id/delete route
func OrderDelete(c *gin.Context) {
order := models.Order{}
db := models.GetDB()
db.First(&order, c.Param("id"))
if order.ID == 0 {
c.HTML(http.StatusNotFound, "errors/404", nil)
return
}
if err := db.Delete(&order).Error; err != nil {
c.HTML(http.StatusInternalServerError, "errors/500", nil)
logrus.Error(err)
return
}
c.Redirect(http.StatusFound, "/admin/orders")
}
func notifyAdminOfOrder(c *gin.Context, order *models.Order) {
//closure is needed here, as r may be released by the time func finishes
go func() {
var b bytes.Buffer
domain := config.GetConfig().Domain
tmpl := template.New("").Funcs(getFuncMap())
workingdir, _ := os.Getwd()
tmpl, _ = tmpl.ParseFiles(path.Join(workingdir, "views", "emails", "admin_order.gohtml"))
if err := tmpl.Lookup("emails/admin_order").Execute(&b, gin.H{"Order": order}); err != nil {
logrus.Error(err)
return
}
smtp := config.GetConfig().SMTP
msg := gomail.NewMessage()
msg.SetHeader("From", smtp.From)
msg.SetHeader("To", getSetting("order_email"))
msg.SetHeader("Subject", fmt.Sprintf("New order on %s", domain))
msg.SetBody(
"text/html",
b.String(),
)
port, _ := strconv.Atoi(smtp.Port)
dialer := gomail.NewPlainDialer(smtp.SMTP, port, smtp.User, smtp.Password)
sender, err := dialer.Dial()
if err != nil {
logrus.Error(err)
return
}
if err := gomail.Send(sender, msg); err != nil {
logrus.Error(err)
return
}
}()
}
func notifyClientOfOrder(c *gin.Context, order *models.Order) {
//closure is needed here, as r may be released by the time func finishes
go func() {
var b bytes.Buffer
domain := config.GetConfig().Domain
tmpl := template.New("").Funcs(getFuncMap())
workingdir, _ := os.Getwd()
tmpl, _ = tmpl.ParseFiles(path.Join(workingdir, "views", "emails", "order.gohtml"))
if err := tmpl.Lookup("emails/order").Execute(&b, gin.H{"Order": order}); err != nil {
logrus.Error(err)
return
}
smtp := config.GetConfig().SMTP
msg := gomail.NewMessage()
msg.SetHeader("From", smtp.From)
msg.SetHeader("To", order.Email)
msg.SetHeader("Subject", fmt.Sprintf("New order on %s", domain))
msg.SetBody(
"text/html",
b.String(),
)
port, _ := strconv.Atoi(smtp.Port)
dialer := gomail.NewPlainDialer(smtp.SMTP, port, smtp.User, smtp.Password)
sender, err := dialer.Dial()
if err != nil {
logrus.Error(err)
return
}
if err := gomail.Send(sender, msg); err != nil {
logrus.Error(err)
return
}
}()
}