113 lines
3.1 KiB
Go
113 lines
3.1 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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"streifling.com/jason/cpolis/cmd/data"
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)
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type AddUserData struct {
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User string
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First string
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Last string
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Role string
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Msg string
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}
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func inputsEmpty(user, pass, pass2, first, last, role string) bool {
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return len(user) == 0 ||
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len(pass) == 0 ||
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len(pass2) == 0 ||
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len(first) == 0 ||
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len(last) == 0 ||
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len(role) == 0
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}
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func checkUserStrings(user, first, last string) (string, int, bool) {
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userLen := 15
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nameLen := 50
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if len(user) > userLen {
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return "Benutzername", userLen, false
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} else if len(first) > nameLen {
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return "Vorname", nameLen, false
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} else if len(last) > 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() http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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template.Must(template.ParseFiles("web/templates/add-user.html")).ExecuteTemplate(w, "page-content", nil)
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}
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}
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func AddUser(db *data.DB) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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var writer, editor, admin bool
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data := AddUserData{
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User: r.PostFormValue("username"),
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First: r.PostFormValue("first-name"),
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Last: r.PostFormValue("last-name"),
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Role: r.PostFormValue("role"),
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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(data.User, pass, pass2, data.First, data.Last, data.Role) {
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data.Msg = "Alle Felder müssen ausgefüllt werden."
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template.Must(template.ParseFiles("web/templates/add-user.html")).ExecuteTemplate(w, "page-content", data)
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return
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}
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userString, stringLen, ok := checkUserStrings(data.User, data.First, data.Last)
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if !ok {
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data.Msg = fmt.Sprint(userString, " ist zu lang. Maximal ", stringLen, " Zeichen erlaubt.")
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template.Must(template.ParseFiles("web/templates/add-user.html")).ExecuteTemplate(w, "page-content", data)
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return
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}
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id, _ := db.GetID(data.User)
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if id != 0 {
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data.Msg = fmt.Sprint(data.User, " ist bereits vergeben. Bitte anderen Benutzernamen wählen.")
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template.Must(template.ParseFiles("web/templates/add-user.html")).ExecuteTemplate(w, "page-content", data)
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return
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}
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if pass != pass2 {
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data.Msg = "Die Passwörter stimmen nicht überein."
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template.Must(template.ParseFiles("web/templates/add-user.html")).ExecuteTemplate(w, "page-content", data)
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return
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}
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switch data.Role {
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case "writer":
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writer = true
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editor = false
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admin = false
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case "editor":
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writer = false
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editor = true
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admin = false
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case "admin":
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writer = false
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editor = false
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admin = true
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default:
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log.Println("When setting up", data.User, "the HTML was altered.")
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data.Msg = "Das HTML der Seite zu verändern ist unzulässig. Dieser Vorfall wurde gespeichert."
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template.Must(template.ParseFiles("web/templates/add-user.html")).ExecuteTemplate(w, "page-content", data)
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return
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}
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if err := db.AddUser(data.User, pass, data.First, data.Last, writer, editor, admin); 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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template.Must(template.ParseFiles("web/templates/hub.html")).ExecuteTemplate(w, "page-content", nil)
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}
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}
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