fixed linter errors

This commit is contained in:
Bronku 2025-07-16 22:57:36 +02:00
parent d38a61307d
commit 1ae02b3bc6
15 changed files with 242 additions and 117 deletions

24
.golangci.yaml Normal file
View file

@ -0,0 +1,24 @@
version: "2"
linters:
default: all
disable:
- wsl
- wsl_v5
- depguard
- embeddedstructfieldcheck
- exhaustruct
- funcorder
- godot
- musttag
- nlreturn
settings:
varnamelen:
ignore-names:
- err
- w
- r
- db
revive:
rules:
- name: exported
disabled: true

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@ -17,6 +17,7 @@
- [ ] make fatcher only return data, and error - [ ] make fatcher only return data, and error
- [ ] maybe sending forms as json to simplify code? - [ ] maybe sending forms as json to simplify code?
- [ ] move basket_element_template to be together with script - [ ] move basket_element_template to be together with script
- [ ] make fetchers only return data, and error, and deduce the http response based on that
## new features ## new features
- [ ] Backup System - [ ] Backup System

View file

@ -1,45 +1,54 @@
package auth package auth
import ( import (
_ "embed"
"errors" "errors"
"log" "log"
"net/http" "net/http"
"time"
"github.com/Bronku/iroon/crypto" "github.com/Bronku/iroon/crypto"
"github.com/Bronku/iroon/models" "github.com/Bronku/iroon/models"
"gorm.io/gorm" "gorm.io/gorm"
) )
type Authenticator struct { type Config struct {
db *gorm.DB SessionExpiration time.Duration
} }
func New(db *gorm.DB) Authenticator { type Authenticator struct {
db *gorm.DB
config Config
}
func New(db *gorm.DB, config Config) Authenticator {
err := db.AutoMigrate(&models.User{}, &models.Token{}) err := db.AutoMigrate(&models.User{}, &models.Token{})
if err != nil { if err != nil {
log.Fatal("failed to initialize authenticator", err) log.Fatal("failed to initialize authenticator", err)
} }
return Authenticator{db} return Authenticator{db, config}
} }
// #todo only used once, maybe remove it entierly later var ErrUserNotFound = errors.New("user with this login doesn't exist")
var ErrWrongCredentials = errors.New("wrong credentials")
// #todo only used once, maybe remove it entirely later
func (a *Authenticator) verifyCredentials(login, password string) error { func (a *Authenticator) verifyCredentials(login, password string) error {
var user models.User var user models.User
result := a.db.First(&user, "login = ?", login) result := a.db.First(&user, "login = ?", login)
if result.Error != nil { if result.Error != nil {
return errors.New("user with this login doesn't exist") return ErrUserNotFound
} }
hash := crypto.PasswordHash(password, user.Salt) hash := crypto.PasswordHash(password, user.Salt)
if hash == user.Password { if hash == user.Password {
return nil return nil
} }
return errors.New("wrong credentials")
return ErrWrongCredentials
} }
func (a *Authenticator) Middleware(in http.Handler) http.Handler { func (a *Authenticator) Middleware(inner http.Handler) http.Handler {
handler := http.NewServeMux() handler := http.NewServeMux()
handler.HandleFunc("GET /login", getLogin) handler.HandleFunc("GET /login", getLogin)
handler.HandleFunc("POST /login", a.login) handler.HandleFunc("POST /login", a.login)
@ -50,31 +59,20 @@ func (a *Authenticator) Middleware(in http.Handler) http.Handler {
http.Redirect(w, r, "/login", http.StatusSeeOther) http.Redirect(w, r, "/login", http.StatusSeeOther)
return return
} }
in.ServeHTTP(w, r) inner.ServeHTTP(w, r)
}) })
return handler return handler
} }
// func (s *Store) AddUser(login, password string) error { var ErrUsernameTaken = errors.New("username taken")
// _, exists := s.GetUser(login)
// if exists {
// return errors.New("the user already exists")
// }
// query := "insert into user (login, password, salt) values(?, ?, ?)"
// salt := crypto.GenerateKey()
// hash := crypto.PasswordHash(password, salt)
// _, err := s.db.Exec(query, login, hash, salt)
// if err == nil {
// s.users[login] = models.User{Password: hash, Salt: salt}
// }
// return err
// }
func (a *Authenticator) AddUser(login, password string) error { func (a *Authenticator) AddUser(login, password string) error {
var user models.User var user models.User
result := a.db.First(&user, "login = ?", login) result := a.db.First(&user, "login = ?", login)
if result.Error != gorm.ErrRecordNotFound { if !errors.Is(result.Error, gorm.ErrRecordNotFound) {
return errors.New("user already exists") return ErrUsernameTaken
} }
salt := crypto.GenerateKey() salt := crypto.GenerateKey()

View file

@ -13,6 +13,5 @@ var loginHTML string
// returns a simple login page // returns a simple login page
func getLogin(w http.ResponseWriter, _ *http.Request) { func getLogin(w http.ResponseWriter, _ *http.Request) {
w.Header().Set("content-type", "text/html") w.Header().Set("content-type", "text/html")
fmt.Fprint(w, loginHTML) _, _ = fmt.Fprint(w, loginHTML)
return
} }

View file

@ -9,25 +9,29 @@ import (
"github.com/Bronku/iroon/models" "github.com/Bronku/iroon/models"
) )
var ErrNoCookie = errors.New("session cookie not found")
var ErrSessionNotFound = errors.New("session not found")
var ErrSessionExpired = errors.New("session has expired")
func (a *Authenticator) getSession(r *http.Request) (models.Token, error) { func (a *Authenticator) getSession(r *http.Request) (models.Token, error) {
c, err := r.Cookie("token") cookie, err := r.Cookie("token")
if err != nil { if err != nil {
return models.Token{}, err return models.Token{}, ErrNoCookie
} }
var session models.Token var session models.Token
result := a.db.First(&session, "token = ?", c.Value) result := a.db.First(&session, "token = ?", cookie.Value)
if result.Error != nil { if result.Error != nil {
return models.Token{}, errors.New("session not found") return models.Token{}, ErrSessionNotFound
} }
if time.Since(session.Expiration) > 0 { if time.Since(session.Expiration) > 0 {
a.db.Delete(&session) a.db.Delete(&session)
return models.Token{}, errors.New("session expired") return models.Token{}, ErrSessionExpired
} }
return session, nil return session, nil
} }
func (a *Authenticator) login(w http.ResponseWriter, r *http.Request) { func (a *Authenticator) login(w http.ResponseWriter, r *http.Request) {
r.ParseForm() _ = r.ParseForm()
login := r.PostFormValue("login") login := r.PostFormValue("login")
password := r.PostFormValue("password") password := r.PostFormValue("password")
if a.verifyCredentials(login, password) != nil { if a.verifyCredentials(login, password) != nil {
@ -60,7 +64,7 @@ func (a *Authenticator) newSession(user string) http.Cookie {
key := crypto.GenerateKey() key := crypto.GenerateKey()
session := models.Token{ session := models.Token{
User: user, User: user,
Expiration: time.Now().Add(time.Hour * 24), Expiration: time.Now().Add(a.config.SessionExpiration),
Token: key, Token: key,
} }
a.db.Create(&session) a.db.Create(&session)

11
config.default.toml Normal file
View file

@ -0,0 +1,11 @@
[Database]
File = "foo.db"
[Authentication]
DefaultLogin = "admin"
DefaultPassword = "secret"
SessionExpiration = "24h"
[Server]
Addr = ":8080"
ReadHeaderTimeout = "3s"

View file

@ -3,19 +3,23 @@ package crypto
import ( import (
"crypto/rand" "crypto/rand"
"encoding/base64" "encoding/base64"
"log"
"golang.org/x/crypto/argon2" "golang.org/x/crypto/argon2"
) )
func PasswordHash(password, salt string) string { func PasswordHash(password, salt string) string {
return string(argon2.Key([]byte(password), []byte(salt), 3, 32*1024, 4, 32)) var time uint32 = 3
var memory uint32 = 32 * 1024
var threads uint8 = 4
var length uint32 = 32
return string(argon2.Key([]byte(password), []byte(salt), time, memory, threads, length))
} }
func GenerateKey() string { func GenerateKey() string {
key := [32]byte{} key := [32]byte{}
if _, err := rand.Read(key[:]); err != nil { // rand.Read always panics when encountering an error, so checking it is pointless, as the program has already panicked
log.Fatal("can't generate a valid key", err) _, _ = rand.Read(key[:])
}
return base64.StdEncoding.EncodeToString(key[:]) return base64.StdEncoding.EncodeToString(key[:])
} }

5
go.mod
View file

@ -2,13 +2,12 @@ module github.com/Bronku/iroon
go 1.23.5 go 1.23.5
require github.com/mattn/go-sqlite3 v1.14.24 require github.com/BurntSushi/toml v1.5.0
require github.com/knaka/go-sqlite3-fts5 v0.0.0-20240729040425-e53b86878d0d
require ( require (
github.com/jinzhu/inflection v1.0.0 // indirect github.com/jinzhu/inflection v1.0.0 // indirect
github.com/jinzhu/now v1.1.5 // indirect github.com/jinzhu/now v1.1.5 // indirect
github.com/mattn/go-sqlite3 v1.14.22 // indirect
golang.org/x/text v0.23.0 // indirect golang.org/x/text v0.23.0 // indirect
) )

8
go.sum
View file

@ -1,11 +1,11 @@
github.com/BurntSushi/toml v1.5.0 h1:W5quZX/G/csjUnuI8SUYlsHs9M38FC7znL0lIO+DvMg=
github.com/BurntSushi/toml v1.5.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E= github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc= github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ= github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8= github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/knaka/go-sqlite3-fts5 v0.0.0-20240729040425-e53b86878d0d h1:I3lRivq7Zx0fqlKhCJG1KaL2tLG6aiHDj3bvJJqppKw= github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
github.com/knaka/go-sqlite3-fts5 v0.0.0-20240729040425-e53b86878d0d/go.mod h1:kDHCqub/PNhQnqg8ur7OYO49jpZ+pM0mqBQ768DE3UU= github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
github.com/mattn/go-sqlite3 v1.14.24 h1:tpSp2G2KyMnnQu99ngJ47EIkWVmliIizyZBfPrBWDRM=
github.com/mattn/go-sqlite3 v1.14.24/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34= golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc= golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik= golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=

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@ -8,6 +8,6 @@ import (
func ErrorPage(err error, status int) http.HandlerFunc { func ErrorPage(err error, status int) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) { return func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(status) w.WriteHeader(status)
fmt.Fprint(w, err.Error()) _, _ = fmt.Fprint(w, err.Error())
} }
} }

66
main.go
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@ -1,44 +1,94 @@
package main package main
import ( import (
_ "embed"
"errors"
"log" "log"
"net/http" "net/http"
"os" "os"
"time"
"github.com/Bronku/iroon/auth" "github.com/Bronku/iroon/auth"
"github.com/Bronku/iroon/logging" "github.com/Bronku/iroon/logging"
"github.com/Bronku/iroon/models" "github.com/Bronku/iroon/models"
"github.com/Bronku/iroon/server" "github.com/Bronku/iroon/server"
"github.com/BurntSushi/toml"
"gorm.io/driver/sqlite" "gorm.io/driver/sqlite"
"gorm.io/gorm" "gorm.io/gorm"
"gorm.io/gorm/logger" "gorm.io/gorm/logger"
) )
type config struct {
Database struct {
File string
}
Authentication struct {
auth.Config
DefaultLogin string
DefaultPassword string
}
Server struct {
Addr string
ReadHeaderTimeout time.Duration
}
}
//go:embed config.default.toml
var defaultConfig string
func main() { func main() {
// load config
var conf config
_, err := toml.Decode(defaultConfig, &conf)
if err != nil {
log.Fatal(err)
}
_, err = toml.DecodeFile("config.toml", &conf)
if err != nil {
log.Println("using default config")
}
// load database
newLogger := logger.New( newLogger := logger.New(
log.New(os.Stdout, "\r\n", log.LstdFlags), log.New(os.Stdout, "\r\n", log.LstdFlags),
logger.Config{ logger.Config{
IgnoreRecordNotFoundError: true}, IgnoreRecordNotFoundError: true},
) )
db, err := gorm.Open(sqlite.Open("foo.db"), &gorm.Config{ db, err := gorm.Open(sqlite.Open(conf.Database.File), &gorm.Config{
Logger: newLogger, Logger: newLogger,
}) })
if err != nil { if err != nil {
log.Fatal("failed to connect database") log.Fatal("failed to connect database")
} }
db.AutoMigrate(&models.Order{}, &models.OrderItem{}, &models.Product{}) err = db.AutoMigrate(&models.Order{}, &models.OrderItem{}, &models.Product{})
a := auth.New(db)
err = a.AddUser("admin", "secret")
if err != nil { if err != nil {
log.Fatal("couldn't migrate database")
}
// load auth
authenticator := auth.New(db, conf.Authentication.Config)
err = authenticator.AddUser(conf.Authentication.DefaultLogin, conf.Authentication.DefaultPassword)
if err != nil && !errors.Is(err, auth.ErrUsernameTaken) {
log.Println("add user:", err) log.Println("add user:", err)
} }
// load server
h := server.New(db) h := server.New(db)
var handler http.Handler = h var handler http.Handler = h
handler = a.Middleware(handler) handler = authenticator.Middleware(handler)
handler = logging.Middleware(handler) handler = logging.Middleware(handler)
log.Println("starting server") log.Println("starting server")
log.Fatal(http.ListenAndServe(":8080", handler))
// start server
server := &http.Server{
Handler: handler,
Addr: conf.Server.Addr,
ReadHeaderTimeout: conf.Server.ReadHeaderTimeout,
}
err = server.ListenAndServe()
if err != nil {
log.Fatal(err)
}
} }

View file

@ -37,5 +37,6 @@ func (o *Order) Total() uint {
out += e.Total() out += e.Total()
} }
out -= o.Prepaid out -= o.Prepaid
return out return out
} }

11
server/errors.go Normal file
View file

@ -0,0 +1,11 @@
// errors are in a dedicated file, because they are used in more than one place
package server
import "errors"
var ErrInvalidForm = errors.New("the form has invalid syntax")
var ErrSavingToDatabase = errors.New("error saving to the database")
var ErrWrongValue = errors.New("error converting or getting value")
// should not occur during runtime
var ErrCatalogueNotFound = errors.New("cake catalogue not found on the server")

View file

@ -2,19 +2,19 @@ package server
import ( import (
"fmt" "fmt"
"log"
"net/http" "net/http"
"strconv" "strconv"
"strings" "strings"
"time" "time"
"github.com/Bronku/iroon/models" "github.com/Bronku/iroon/models"
"gorm.io/gorm"
"gorm.io/gorm/clause" "gorm.io/gorm/clause"
) )
func monthInterval(y int, m time.Month) (firstDay, lastDay time.Time) { func monthInterval(y int, m time.Month) (time.Time, time.Time) {
firstDay = time.Date(y, m, 1, 0, 0, 0, 0, time.UTC) firstDay := time.Date(y, m, 1, 0, 0, 0, 0, time.UTC)
lastDay = time.Date(y, m+1, 1, 0, 0, 0, -1, time.UTC) lastDay := time.Date(y, m+1, 1, 0, 0, 0, -1, time.UTC)
return firstDay, lastDay return firstDay, lastDay
} }
@ -25,11 +25,13 @@ func (h *Server) orders(_ *http.Request) (any, int, error) {
) )
y, m, _ = time.Now().Date() y, m, _ = time.Now().Date()
first, last := monthInterval(y, m) first, last := monthInterval(y, m)
fmt.Println(first, last)
var orders []models.Order var orders []models.Order
result := h.db.Preload("OrderItems.Product").Preload(clause.Associations).Where("date between ? and ?", first, last).Find(&orders) result := h.db.
Preload("OrderItems.Product").
Preload(clause.Associations).
Where("date between ? and ?", first, last).
Find(&orders)
if result.Error != nil { if result.Error != nil {
log.Println("eroor getting orders")
return nil, http.StatusInternalServerError, result.Error return nil, http.StatusInternalServerError, result.Error
} }
data := struct { data := struct {
@ -41,16 +43,20 @@ func (h *Server) orders(_ *http.Request) (any, int, error) {
} }
func (h *Server) ordersSearch(r *http.Request) (any, int, error) { func (h *Server) ordersSearch(r *http.Request) (any, int, error) {
from, err := time.Parse("2006-01-02", r.URL.Query().Get("from")) startTime, err := time.Parse("2006-01-02", r.URL.Query().Get("from"))
if err != nil { if err != nil {
from = time.Time{} startTime = time.Time{}
} }
to, err := time.Parse("2006-01-02", r.URL.Query().Get("to")) endTime, err := time.Parse("2006-01-02", r.URL.Query().Get("to"))
if err != nil { if err != nil {
to = time.Time{} endTime = time.Time{}
} }
var orders []models.Order var orders []models.Order
result := h.db.Preload("OrderItems.Product").Preload(clause.Associations).Where("date between ? and ?", from, to).Find(&orders) result := h.db.
Preload("OrderItems.Product").
Preload(clause.Associations).
Where("date between ? and ?", startTime, endTime).
Find(&orders)
return orders, http.StatusOK, result.Error return orders, http.StatusOK, result.Error
} }
@ -66,14 +72,17 @@ func (h *Server) cake(r *http.Request) (any, int, error) {
return models.Product{}, http.StatusOK, nil return models.Product{}, http.StatusOK, nil
} }
id, err := strconv.Atoi(url[2]) cakeID, err := strconv.Atoi(url[2])
if err != nil { if err != nil {
return nil, http.StatusBadRequest, err return nil, http.StatusBadRequest, fmt.Errorf("%w cakeID", ErrWrongValue)
} }
var cake models.Product var cake models.Product
result := h.db.First(&cake, id) result := h.db.First(&cake, cakeID)
return cake, http.StatusOK, result.Error if result.Error != nil {
return models.Product{}, http.StatusNotFound, gorm.ErrRecordNotFound
}
return cake, http.StatusOK, nil
} }
func (h *Server) order(r *http.Request) (any, int, error) { func (h *Server) order(r *http.Request) (any, int, error) {
@ -85,7 +94,7 @@ func (h *Server) order(r *http.Request) (any, int, error) {
result := h.db.Find(&data.Catalogue) result := h.db.Find(&data.Catalogue)
if result.Error != nil { if result.Error != nil {
return nil, http.StatusInternalServerError, result.Error return nil, http.StatusInternalServerError, ErrCatalogueNotFound
} }
url := strings.Split(r.URL.String(), "/") url := strings.Split(r.URL.String(), "/")
@ -93,15 +102,14 @@ func (h *Server) order(r *http.Request) (any, int, error) {
return data, http.StatusOK, nil return data, http.StatusOK, nil
} }
id, err := strconv.Atoi(url[2]) orderID, err := strconv.Atoi(url[2])
if err != nil { if err != nil {
return nil, http.StatusBadRequest, err return nil, http.StatusBadRequest, fmt.Errorf("%w orderID", ErrWrongValue)
} }
result = h.db.Preload("OrderItems.Product").Preload(clause.Associations).Find(&data.Order, id) result = h.db.Preload("OrderItems.Product").Preload(clause.Associations).Find(&data.Order, orderID)
//result = h.db.Find(&data.Order, id)
if result.Error != nil { if result.Error != nil {
return nil, http.StatusNotFound, result.Error return nil, http.StatusNotFound, gorm.ErrRecordNotFound
} }
return data, http.StatusOK, nil return data, http.StatusOK, nil

View file

@ -1,14 +1,15 @@
package server package server
import ( import (
"errors"
"fmt" "fmt"
"log"
"net/http" "net/http"
"strconv" "strconv"
"strings" "strings"
"time" "time"
"github.com/Bronku/iroon/models" "github.com/Bronku/iroon/models"
"gorm.io/gorm"
) )
func atoui(input string) (uint, error) { func atoui(input string) (uint, error) {
@ -19,73 +20,87 @@ func atoui(input string) (uint, error) {
func (h *Server) postCake(r *http.Request) (any, int, error) { func (h *Server) postCake(r *http.Request) (any, int, error) {
err := r.ParseForm() err := r.ParseForm()
if err != nil { if err != nil {
return nil, http.StatusInternalServerError, err return nil, http.StatusBadRequest, ErrInvalidForm
} }
var n models.Product var postedCake models.Product
n.ID, err = atoui(r.FormValue("id")) postedCake.ID, err = atoui(r.FormValue("id"))
if err != nil { if err != nil {
return nil, http.StatusBadRequest, err return nil, http.StatusBadRequest, fmt.Errorf("%w cakeID", ErrWrongValue)
} }
n.Name = r.FormValue("name") postedCake.Name = r.FormValue("name")
n.Price, err = atoui(r.FormValue("price")) postedCake.Price, err = atoui(r.FormValue("price"))
if err != nil { if err != nil {
return nil, http.StatusBadRequest, err return nil, http.StatusBadRequest, fmt.Errorf("%w price", ErrWrongValue)
} }
result := h.db.Save(&n) result := h.db.Save(&postedCake)
return n, http.StatusAccepted, result.Error return postedCake, http.StatusAccepted, errors.Join(ErrSavingToDatabase, result.Error)
} }
func (h *Server) postOrder(r *http.Request) (any, int, error) { func (h *Server) parseOrder(r *http.Request) (models.Order, error) {
var cakes []models.Product var cakes []models.Product
result := h.db.Find(&cakes) result := h.db.Find(&cakes)
if result.Error != nil { if result.Error != nil {
return nil, http.StatusInternalServerError, result.Error return models.Order{}, ErrCatalogueNotFound
} }
err := r.ParseForm() err := r.ParseForm()
log.Println("received form:", r.PostForm)
if err != nil { if err != nil {
return nil, http.StatusBadRequest, err return models.Order{}, ErrInvalidForm
} }
var n models.Order var postedOrder models.Order
n.ID, err = atoui(r.FormValue("id")) postedOrder.ID, err = atoui(r.FormValue("id"))
if err != nil { if err != nil {
return nil, http.StatusBadRequest, err return models.Order{}, fmt.Errorf("%w orderID", ErrWrongValue)
} }
n.Prepaid, err = atoui(r.FormValue("paid")) postedOrder.Prepaid, err = atoui(r.FormValue("paid"))
if err != nil { if err != nil {
return nil, http.StatusBadRequest, err return models.Order{}, fmt.Errorf("%w prepaid", ErrWrongValue)
} }
n.Date, err = time.Parse("2006-01-02", r.FormValue("date")) postedOrder.Date, err = time.Parse("2006-01-02", r.FormValue("date"))
if err != nil { if err != nil {
return nil, http.StatusBadRequest, err return models.Order{}, fmt.Errorf("%w date", ErrWrongValue)
} }
n.OrderItems = make([]models.OrderItem, 0) postedOrder.OrderItems = make([]models.OrderItem, 0)
for _, e := range cakes { for _, e := range cakes {
count, err := atoui(r.FormValue(fmt.Sprintf("cake[%d]", e.ID))) count, err := atoui(r.FormValue(fmt.Sprintf("cake[%d]", e.ID)))
if err != nil { if err != nil {
continue continue
} }
n.OrderItems = append(n.OrderItems, models.OrderItem{Amount: count, Product: e}) postedOrder.OrderItems = append(postedOrder.OrderItems, models.OrderItem{Amount: count, Product: e})
} }
n.Name = strings.TrimSpace(r.FormValue("name")) postedOrder.Name = strings.TrimSpace(r.FormValue("name"))
n.Surname = strings.TrimSpace(r.FormValue("surname")) postedOrder.Surname = strings.TrimSpace(r.FormValue("surname"))
n.Phone = strings.TrimSpace(r.FormValue("phone")) postedOrder.Phone = strings.TrimSpace(r.FormValue("phone"))
n.Location = strings.TrimSpace(r.FormValue("location")) postedOrder.Location = strings.TrimSpace(r.FormValue("location"))
n.Status = strings.TrimSpace(r.FormValue("status")) postedOrder.Status = strings.TrimSpace(r.FormValue("status"))
return postedOrder, nil
log.Println("parsed order:", n) }
err = h.db.Save(&n).Error
if err != nil { func (h *Server) postOrder(r *http.Request) (any, int, error) {
log.Println("save: ", err) postedOrder, err := h.parseOrder(r)
} if err != nil {
err = h.db.Model(&n).Association("OrderItems").Replace(n.OrderItems) return nil, http.StatusBadRequest, err
if err != nil { }
log.Println("replace: ", err)
} // i have no idea why this works, and other methods don't
return n, http.StatusAccepted, nil err = h.db.Transaction(func(tx *gorm.DB) error {
err = tx.Session(&gorm.Session{FullSaveAssociations: true}).Updates(&postedOrder).Error
if err != nil {
return fmt.Errorf("didn't save the order, %w", err)
}
err = tx.Model(&postedOrder).Association("OrderItems").Replace(postedOrder.OrderItems)
if err != nil {
return fmt.Errorf("didn't save the order items %w", err)
}
return nil
})
if err != nil {
return nil, http.StatusInternalServerError, errors.Join(ErrSavingToDatabase, err)
}
return postedOrder, http.StatusAccepted, nil
} }