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handle_user.go
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/
handle_user.go
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package server
import (
"encoding/json"
"errors"
"math/rand"
"net/http"
"strconv"
"time"
"github.com/go-chi/chi/v5"
"github.com/nayan9229/go-backend-services/chassis"
"github.com/nayan9229/go-backend-services/services/template-service/model"
"github.com/rs/zerolog/log"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
)
func (s *Server) GetUsers(w http.ResponseWriter, r *http.Request) (interface{}, error) {
users, err := s.sqlDb.GetUsers()
if err != nil {
log.Err(err).Msg("error while fetching user list")
return chassis.BadRequest(w, r, err)
}
return users, nil
}
func (s *Server) GetUserByID(w http.ResponseWriter, r *http.Request) (interface{}, error) {
user_id := chi.URLParam(r, "userID")
userID, err := strconv.Atoi(user_id)
if err != nil {
log.Err(err).Msg("error while fetching user by id")
return chassis.BadRequest(w, r, err)
}
if userID <= 0 {
err = errors.New("invalid user id")
log.Err(err).Msg("error while fetching user by id")
return chassis.BadRequest(w, r, err)
}
user, err := s.sqlDb.GetUserByID(userID)
if err != nil {
log.Err(err).Msg("error while fetching user by id")
return chassis.BadRequest(w, r, err)
}
return user, nil
}
func (s *Server) CreateUsers(w http.ResponseWriter, r *http.Request) (interface{}, error) {
var user model.User
body, err := chassis.ReadBody(r, 0)
if err != nil {
log.Error().Err(err).Msg("chassis reading req body")
return chassis.BadRequest(w, r, err)
}
err = json.Unmarshal(body, &user)
if err != nil {
log.Error().Err(err).Msg("chassis reading req body")
return chassis.BadRequest(w, r, err)
}
rand := rand.New(rand.NewSource(time.Now().UnixNano()))
if user.UserID <= 0 {
user.UserID = int(rand.Uint32())
}
err = s.sqlDb.CreateUser(&user)
if err != nil {
log.Err(err).Msg("error while creating user")
return chassis.BadRequest(w, r, err)
}
return chassis.NoContent(w, r)
}
func (s *Server) UpdateUserByID(w http.ResponseWriter, r *http.Request) (interface{}, error) {
user_id := chi.URLParam(r, "userID")
userID, err := strconv.Atoi(user_id)
if err != nil {
log.Err(err).Msg("error while fetching user by id")
return chassis.BadRequest(w, r, err)
}
if userID <= 0 {
err = errors.New("invalid user id")
log.Err(err).Msg("error while fetching user by id")
return chassis.BadRequest(w, r, err)
}
var user model.User
body, err := chassis.ReadBody(r, 0)
if err != nil {
log.Error().Err(err).Msg("chassis reading req body")
return chassis.BadRequest(w, r, err)
}
err = json.Unmarshal(body, &user)
if err != nil {
log.Error().Err(err).Msg("chassis reading req body")
return chassis.BadRequest(w, r, err)
}
err = s.sqlDb.UpdateUser(userID, &user)
if err != nil {
log.Err(err).Msg("error while updating user")
return chassis.BadRequest(w, r, err)
}
return user, nil
}
func (s *Server) DeleteUserByID(w http.ResponseWriter, r *http.Request) (interface{}, error) {
user_id := chi.URLParam(r, "userID")
userID, err := strconv.Atoi(user_id)
if err != nil {
log.Err(err).Msg("error while fetching user by id")
return chassis.BadRequest(w, r, err)
}
if userID <= 0 {
err = errors.New("invalid user id")
log.Err(err).Msg("error while fetching user by id")
return chassis.BadRequest(w, r, err)
}
err = s.sqlDb.DeleteUser(userID)
if err != nil {
log.Err(err).Msg("error while deleting user")
return chassis.BadRequest(w, r, err)
}
return chassis.NoContent(w, r)
}
func (s *Server) InsertUser(w http.ResponseWriter, r *http.Request) (interface{}, error) {
var user model.UserBson
body, err := chassis.ReadBody(r, 0)
if err != nil {
log.Error().Err(err).Msg("chassis reading req body")
return chassis.BadRequest(w, r, err)
}
err = json.Unmarshal(body, &user)
if err != nil {
log.Error().Err(err).Msg("chassis reading req body")
return chassis.BadRequest(w, r, err)
}
_, err = s.jsonDb.InsertUser(user)
if err != nil {
log.Err(err).Msg("error while creating user")
return chassis.BadRequest(w, r, err)
}
return chassis.NoContent(w, r)
}
func (s *Server) FindUserByID(w http.ResponseWriter, r *http.Request) (interface{}, error) {
UserID := chi.URLParam(r, "userID")
objID, err := primitive.ObjectIDFromHex(UserID)
if err != nil {
http.Error(w, "Invalid ID", http.StatusBadRequest)
return chassis.BadRequest(w, r, err)
}
user, err := s.jsonDb.FindUserByID(objID)
if err != nil {
log.Err(err).Msg("error while fetching user by id")
return chassis.BadRequest(w, r, err)
}
return user, nil
}
func (s *Server) UpdateUser(w http.ResponseWriter, r *http.Request) (interface{}, error) {
UserID := chi.URLParam(r, "userID")
objID, err := primitive.ObjectIDFromHex(UserID)
if err != nil {
http.Error(w, "Invalid ID", http.StatusBadRequest)
return chassis.BadRequest(w, r, err)
}
var user model.UserBson
body, err := chassis.ReadBody(r, 0)
if err != nil {
log.Error().Err(err).Msg("chassis reading req body")
return chassis.BadRequest(w, r, err)
}
err = json.Unmarshal(body, &user)
if err != nil {
log.Error().Err(err).Msg("chassis reading req body")
return chassis.BadRequest(w, r, err)
}
s.jsonDb.UpdateUser(objID, bson.M{
"first_name": user.FirstName,
"last_name": user.LastName,
"email": user.Email,
"password": user.Password,
})
return user, nil
}
func (s *Server) DeleteUser(w http.ResponseWriter, r *http.Request) (interface{}, error) {
UserID := chi.URLParam(r, "userID")
objID, err := primitive.ObjectIDFromHex(UserID)
if err != nil {
http.Error(w, "Invalid ID", http.StatusBadRequest)
return chassis.BadRequest(w, r, err)
}
_, err = s.jsonDb.DeleteUser(objID)
if err != nil {
log.Err(err).Msg("error while deleting user")
return chassis.BadRequest(w, r, err)
}
return chassis.NoContent(w, r)
}