128 lines
3.5 KiB
Go
128 lines
3.5 KiB
Go
package ui
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import (
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"fmt"
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"html/template"
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"log"
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"net/http"
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"strconv"
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"streifling.com/jason/cpolis/cmd/data"
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)
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type AddUserData struct {
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*data.User
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Msg string
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}
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func inputsEmpty(user *data.User, pass, pass2 string) bool {
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return len(user.UserName) == 0 ||
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len(user.FirstName) == 0 ||
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len(user.LastName) == 0 ||
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len(pass) == 0 ||
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len(pass2) == 0
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}
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func checkUserStrings(user *data.User) (string, int, bool) {
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userLen := 15
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nameLen := 50
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if len(user.UserName) > userLen {
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return "Benutzername", userLen, false
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} else if len(user.FirstName) > nameLen {
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return "Vorname", nameLen, false
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} else if len(user.LastName) > nameLen {
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return "Nachname", nameLen, false
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} else {
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return "", 0, true
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}
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}
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func CreateUser(w http.ResponseWriter, r *http.Request) {
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tmpl, err := template.ParseFiles("web/templates/add-user.html")
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template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil)
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}
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func AddUser(db *data.DB, s *data.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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role, err := strconv.Atoi(r.PostFormValue("role"))
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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htmlData := AddUserData{
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User: &data.User{
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UserName: r.PostFormValue("username"),
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FirstName: r.PostFormValue("first-name"),
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LastName: r.PostFormValue("last-name"),
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Role: role,
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},
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}
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pass := r.PostFormValue("password")
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pass2 := r.PostFormValue("password2")
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if inputsEmpty(htmlData.User, pass, pass2) {
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htmlData.Msg = "Alle Felder müssen ausgefüllt werden."
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tmpl, err := template.ParseFiles("web/templates/add-user.html")
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template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
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return
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}
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userString, stringLen, ok := checkUserStrings(htmlData.User)
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if !ok {
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htmlData.Msg = fmt.Sprint(userString, " ist zu lang. Maximal ",
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stringLen, " Zeichen erlaubt.")
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tmpl, err := template.ParseFiles("web/templates/add-user.html")
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template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
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return
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}
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id, _ := db.GetID(htmlData.UserName)
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if id != 0 {
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htmlData.Msg = fmt.Sprint(htmlData.UserName,
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" ist bereits vergeben. Bitte anderen Benutzernamen wählen.")
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tmpl, err := template.ParseFiles("web/templates/add-user.html")
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template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
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return
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}
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if pass != pass2 {
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htmlData.Msg = "Die Passwörter stimmen nicht überein."
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tmpl, err := template.ParseFiles("web/templates/add-user.html")
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template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
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return
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}
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num, err := db.CountEntries()
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if num == 0 {
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if htmlData.Role != data.Admin {
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htmlData.Msg = "Der erste Benutzer muss ein Administrator sein."
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htmlData.Role = data.Admin
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tmpl, err := template.ParseFiles("web/templates/add-user.html")
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tmpl = template.Must(tmpl, err)
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tmpl.ExecuteTemplate(w, "page-content", htmlData)
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return
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}
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if err := saveSession(w, r, s, htmlData.User); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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}
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if err := db.AddUser(htmlData.User, pass); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tmpl, err := template.ParseFiles("web/templates/hub.html")
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template.Must(tmpl, err).ExecuteTemplate(w, "page-content", 0)
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}
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}
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