alai-server/backend/controllers/user.go
2022-07-22 23:00:31 -04:00

140 lines
3.7 KiB
Go

package controllers
import (
"encoding/json"
"errors"
"net/http"
"strconv"
"git.cromer.cl/Proyecto-Titulo/alai-server/backend/database"
"git.cromer.cl/Proyecto-Titulo/alai-server/backend/models"
"git.cromer.cl/Proyecto-Titulo/alai-server/backend/utils"
"github.com/julienschmidt/httprouter"
)
func AuthenticateUser(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
type Message struct {
Status string `json:"status"`
}
message := Message{Status: "authorized"}
writer.Header().Set("Content-Type", "application/json")
writer.WriteHeader(http.StatusOK)
json.NewEncoder(writer).Encode(message)
}
func CreateUser(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
user := models.User{
Name: request.FormValue("name"),
Email: request.FormValue("email"),
}
user.HashPassword(request.FormValue("password"))
gdb.Create(&user)
}
func UpdateUser(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
var user models.User
userID, _ := strconv.ParseUint(params.ByName("id"), 10, 64)
gdb.Model(models.User{}).Where(&models.User{ID: userID}).Find(&user)
if request.FormValue("password") != "" {
var oldPassword = request.FormValue("old_password")
err := user.CheckPassword(oldPassword)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, errors.New("incorrect password").Error())
return
} else {
user.HashPassword(request.FormValue("password"))
}
}
user.Name = request.FormValue("name")
user.Email = request.FormValue("email")
gdb.Updates(&user)
}
func ListUsers(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
var users []models.User
result := gdb.Model(&models.User{}).Order("ID asc").Find(&users)
if result.Error != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, result.Error.Error())
return
} else {
for i := range users {
users[i].Password = ""
}
writer.Header().Set("Content-Type", "application/json")
writer.WriteHeader(http.StatusOK)
json.NewEncoder(writer).Encode(users)
}
}
func GetUser(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
var user models.User
result := gdb.Model(&models.User{}).Find(&user, params.ByName("id"))
if result.Error != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, result.Error.Error())
return
} else if result.RowsAffected == 0 {
utils.JSONErrorOutput(writer, http.StatusNotFound, "A user with the id "+params.ByName("id")+" doesn't exist!")
return
} else {
user.Password = ""
writer.Header().Set("Content-Type", "application/json")
writer.WriteHeader(http.StatusOK)
json.NewEncoder(writer).Encode(user)
}
}
func Login(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
var user models.User
gdb.Model(models.User{}).Where(&models.User{Username: request.FormValue("username")}).Find(&user)
err := user.CheckPassword(request.FormValue("password"))
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, errors.New("incorrect password").Error())
return
}
type Token struct {
Token string `json:"token"`
}
tokenString, err := utils.GenerateJWT(user.Email, user.Username)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error())
return
}
token := Token{Token: tokenString}
writer.Header().Set("Content-Type", "application/json")
writer.WriteHeader(http.StatusOK)
json.NewEncoder(writer).Encode(token)
}