Files
elwig/Elwig/Helpers/Validator.cs

625 lines
24 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Controls;
using Elwig.Models.Entities;
namespace Elwig.Helpers {
public static class Validator {
private static readonly Dictionary<string, string[][]> PHONE_NRS = new() {
{ "43", new string[][] {
[],
["57", "59"],
[
"50", "517", "718", "804", "720", "780", "800", "802", "810",
"820", "821", "828", "900", "901", "930", "931", "939",
"650", "651", "652", "653", "655", "657", "659", "660", "661",
"663", "664", "665", "666", "667", "668", "669", "67", "68", "69"
]
} },
{ "49", Array.Empty<string[]>() },
{ "48", Array.Empty<string[]>() },
{ "420", Array.Empty<string[]>() },
{ "421", Array.Empty<string[]>() },
{ "36", Array.Empty<string[]>() },
{ "386", Array.Empty<string[]>() },
{ "39", Array.Empty<string[]>() },
{ "33", Array.Empty<string[]>() },
{ "41", Array.Empty<string[]>() },
{ "423", Array.Empty<string[]>() },
};
public static ValidationResult CheckInteger(TextBox input, bool required) {
return CheckInteger(input, required, -1);
}
public static ValidationResult CheckInteger(TextBox input, bool required, int maxLen) {
string text = "";
int pos = input.CaretIndex;
for (int i = 0; i < input.Text.Length; i++) {
char ch = input.Text[i];
if (char.IsAsciiDigit(ch))
text += ch;
if (i == input.CaretIndex - 1)
pos = text.Length;
}
input.Text = text;
input.CaretIndex = pos;
if (text.Length == 0) {
return required ? new(false, "Wert ist nicht optional") : new(true, null);
}
if (maxLen >= 0 && input.Text.Length > maxLen) {
input.Text = input.Text[..maxLen];
input.CaretIndex = Math.Min(pos, maxLen);
}
return new(true, null);
}
public static ValidationResult CheckDecimal(TextBox input, bool required) {
return CheckDecimal(input, required, -1, -1);
}
public static ValidationResult CheckDecimal(TextBox input, bool required, int maxLen, int maxDecimal, bool allowMinus = false) {
string text = "";
int pos = input.CaretIndex;
int v1 = 0, v2 = -1;
for (int i = 0; i < input.Text.Length; i++) {
char ch = input.Text[i];
if (ch == '-' && i == 0 && allowMinus) {
text += ch;
} else if (char.IsAsciiDigit(ch)) {
if (v2 == -1 && (maxLen == -1 || v1 < maxLen)) {
text += ch; v1++;
} else if (v2 != -1 && (maxDecimal == -1 || v2 < maxDecimal)) {
text += ch; v2++;
}
} else if (v2 == 0-1 && ch == ',' || ch == '.') {
if (v1 == 0) { text += '0'; v1++; }
text += ',';
v2 = 0;
}
if (i == input.CaretIndex - 1)
pos = text.Length;
}
input.Text = text;
input.CaretIndex = pos;
if (text.Length == 0) {
return required ? new(false, "Wert ist nicht optional") : new(true, null);
} else if (v2 == 0) {
return new(false, "Ungültige Kommazahl");
}
return new(true, null);
}
public static ValidationResult CheckUpperCase(TextBox input, bool required) {
return CheckUpperCase(input, required, -1);
}
public static ValidationResult CheckUpperCase(TextBox input, bool required, int maxLen) {
string text = "";
int pos = input.CaretIndex;
for (int i = 0; i < input.Text.Length; i++) {
char ch = input.Text[i];
if (char.IsAsciiLetter(ch))
text += char.ToUpper(ch);
if (i == input.CaretIndex - 1)
pos = text.Length;
}
input.Text = text;
input.CaretIndex = pos;
if (text.Length == 0) {
return required ? new(false, "Wert ist nicht optional") : new(true, null);
}
if (maxLen >= 0 && input.Text.Length > maxLen) {
input.Text = input.Text[..maxLen];
input.CaretIndex = Math.Min(pos, maxLen);
}
return new(true, null);
}
public static ValidationResult CheckPlz(TextBox input, bool required, AppDbContext ctx) {
CheckInteger(input, false, 4);
if (!required && input.Text.Length == 0) {
return new(true, null);
} else if (input.Text.Length != 4) {
return new(false, "PLZ zu kurz");
}
int plz = int.Parse(input.Text);
if (ctx.Postleitzahlen.Find(plz) == null) {
return new(false, "Ungültige PLZ");
}
return new(true, null);
}
public static ValidationResult CheckPhoneNumber(TextBox input, bool required) {
string text = "";
int pos = input.CaretIndex;
for (int i = 0, v = 0; i < input.Text.Length && v <= 15; i++) {
char ch = input.Text[i];
if (v == 0 && input.Text.Length - i >= 2 && ch == '0' && input.Text[i + 1] == '0') {
v++; i++;
text += '+';
} else if (ch == '(' && input.Text.Length - i >= 3 && input.Text[i + 1] == '0' && input.Text[i + 2] == ')') {
i += 2;
} else if (v == 0 && ch == '0') {
v += 3;
text += "+43";
} else if (v == 0 && ch == '+') {
v++;
text += ch;
} else if (v > 0 && (char.IsAsciiDigit(ch) || ch == ' ' || ch == '-')) {
if (PHONE_NRS.Any(kv => text == "+" + kv.Key))
text += ' ';
if (text.StartsWith("+43 ")) {
var nr = text[4..];
var vws = PHONE_NRS["43"];
if (!text.EndsWith(' ') && v >= 4 && v - 4 < vws.Length && vws[v - 4].Any(vw => nr.StartsWith(vw))) {
text += ' ';
} else if (nr == "1") {
text += ' ';
} else if (v == 7 && nr.Length == 4) {
text += ' ';
}
var vw = text.Split(" ");
if (char.IsAsciiDigit(ch)) {
v++;
text += ch;
} else if (char.IsAsciiDigit(text[^1]) && vw.Length > 2 && v >= 10 && (vw[1].Length - 1 >= vws.Length || !vws[vw[1].Length - 1].Any(v => vw[1].StartsWith(v)))) {
text += ch;
}
} else {
v++;
text += ch;
}
}
if (i == input.CaretIndex - 1)
pos = text.Length;
}
input.Text = text;
input.CaretIndex = pos;
if (!required && text.Length == 0) {
return new(true, null);
} else if (text.Length < 10) {
return new(false, "Telefonnummer zu kurz");
}
return new(char.IsAsciiDigit(text[^1]), null);
}
public static ValidationResult CheckEmailAddress(TextBox input, bool required) {
string text = "";
int pos = input.CaretIndex;
bool domain = false;
for (int i = 0; i < input.Text.Length && text.Length < 256; i++) {
char ch = input.Text[i];
if (domain) {
if ((char.IsAsciiLetterOrDigit(ch)) || ".-_öäüßÖÄÜẞ".Any(c => c == ch)) {
if (!(text.Last() == '.' && ch == '.'))
text += char.ToLower(ch);
}
} else {
if (ch == '@')
domain = true;
if (!char.IsControl(ch) && !char.IsWhiteSpace(ch))
text += ch;
}
if (i == input.CaretIndex - 1)
pos = text.Length;
}
input.Text = text;
input.CaretIndex = pos;
if (text.Length == 0) {
return required ? new(false, "E-Mail-Adresse ist nicht optional") : new(true, null);
} else if (text[0] == '@' || !domain) {
return new(false, "E-Mail-Adresse ungültig");
}
var last = text.Split(".").Last();
if (last.Length < 2 || !last.All(ch => char.IsAsciiLetterLower(ch)))
return new(false, "E-Mail-Adresse ungültig");
return new(true, null);
}
public static ValidationResult CheckIban(TextBox input, bool required) {
string text = "";
int pos = input.CaretIndex;
int v = 0;
for (int i = 0; i < input.Text.Length && v < 34; i++) {
char ch = input.Text[i];
if (char.IsAsciiLetterOrDigit(ch)) {
if (((v < 2 && char.IsAsciiLetter(ch)) || (v >= 2 && v < 4 && char.IsAsciiDigit(ch)) || v >= 4) &&
((!text.StartsWith("AT") && !text.StartsWith("DE")) || char.IsAsciiDigit(ch)))
{
if (v != 0 && v % 4 == 0)
text += ' ';
v++;
text += char.ToUpper(ch);
}
}
if (i == input.CaretIndex - 1)
pos = text.Length;
if (text.StartsWith("AT") && v >= 20)
break;
else if (text.StartsWith("DE") && v >= 22)
break;
}
input.Text = text;
input.CaretIndex = pos;
if (!required && text.Length == 0) {
return new(true, null);
} else if (v < 5 || (text.StartsWith("AT") && v != 20) || (text.StartsWith("DE") && v != 22)) {
return new(false, "IBAN hat falsche Länge");
}
var validation = (text[4..] + text[..4]).Replace(" ", "")
.Select(ch => char.IsAsciiDigit(ch) ? ch.ToString() : (ch - 'A' + 10).ToString())
.Aggregate((a, b) => a + b);
if (Utils.Modulo(validation, 97) != 1)
return new(false, "Prüfsumme der IBAN ist falsch");
return new(true, null);
}
public static ValidationResult CheckBic(TextBox input, bool required) {
string text = "";
int pos = input.CaretIndex;
for (int i = 0, v = 0; i < input.Text.Length; i++) {
char ch = input.Text[i];
if ((v < 4 || v >= 6) && char.IsAsciiLetterOrDigit(ch)) {
v++;
text += char.ToUpper(ch);
} else if (v >= 4 && v < 6 && char.IsAsciiLetter(ch)) {
v++;
text += char.ToUpper(ch);
}
if (i == input.CaretIndex - 1)
pos = text.Length;
}
if (text.Length == 0) {
return required ? new(false, "BIC ist nicht optional") : new(true, null);
}
if (text.Length > 11) {
text = text[..11];
pos = Math.Min(pos, 11);
}
if (text.Length == 11 && text.EndsWith("XXX"))
text = text[..8];
input.Text = text;
input.CaretIndex = pos;
if (text.Length != 11 && text.Length != 8)
return new(false, "BIC ist ungültig");
return new(true, null);
}
public static ValidationResult CheckLfbisNr(TextBox input, bool required) {
var res = CheckInteger(input, false, 7);
if (!res.IsValid) {
return res;
} else if (!required && input.Text.Length == 0) {
return new(true, null);
} else if (input.Text.Length != 7) {
return new(false, "Betriebsnummer zu kurz");
} else if (!CheckLfbisNr(input.Text)) {
return new(false, "Prüfsumme der Betriebsnummer ist falsch");
} else {
return new(true, null);
}
}
public static bool CheckLfbisNr(string nr) {
if (nr.Length != 7 || !nr.All(char.IsAsciiDigit))
return false;
// https://statistik.at/fileadmin/shared/QM/Standarddokumentationen/RW/std_r_land-forstw_register.pdf#page=41
int s = 0, v;
for (int i = 0; i < 6; i++)
s += (nr[i] - '0') * (7 - i);
v = (11 - (s % 11)) % 10;
return v == (nr[6] - '0');
}
public static ValidationResult CheckUstIdNr(TextBox input, bool required) {
string text = "";
int pos = input.CaretIndex;
for (int i = 0, v = 0; i < input.Text.Length; i++) {
char ch = input.Text[i];
if (v < 2 && char.IsAsciiLetter(ch)) {
v++;
text += char.ToUpper(ch);
} else if (v >= 2 && char.IsAsciiLetterOrDigit(ch)) {
if (text.StartsWith("AT")) {
if (v == 2 && (ch == 'u' || ch == 'U')) {
v++;
text += 'U';
} else if (v > 2 && char.IsAsciiDigit(ch)) {
v++;
text += ch;
}
} else {
v++;
text += char.ToUpper(ch);
}
}
if (i == input.CaretIndex - 1) {
pos = text.Length;
} else if (v >= 14) {
break;
} else if (text.StartsWith("AT") && v >= 11) {
break;
}
}
input.Text = text;
input.CaretIndex = pos;
if (text.Length == 0)
return required ? new(false, "UID ist nicht optional") : new(true, null);
if (text.StartsWith("AT")) {
if (text.Length != 11 || text[2] != 'U') {
return new(false, "UID ist ungültig");
} else if (!CheckUstIdNr(text)) {
return new(false, "Prüfsumme der UID ist falsch");
}
} else {
return new(false, "Not implemented yet");
}
return new(true, null);
}
public static bool CheckUstIdNr(string nr) {
if (nr.Length < 4 || nr.Length > 14 || !nr.All(char.IsAsciiLetterOrDigit))
return false;
if (nr.StartsWith("AT")) {
if (nr.Length != 11 || nr[2] != 'U')
return false;
// http://www.pruefziffernberechnung.de/U/USt-IdNr.shtml
int s = 0, v = 0;
for (int i = 0; i < 7; i++)
s += ((nr[i + 3] - '0') * (i % 2 + 1)).ToString().Select(ch => ch - '0').Sum();
v = (96 - s) % 10;
return v == (nr[10] - '0');
} else {
return false;
}
}
public static ValidationResult CheckMgNr(TextBox input, bool required, AppDbContext ctx) {
var res = CheckInteger(input, required);
if (!res.IsValid) {
return res;
} else if (!required && input.Text.Length == 0) {
return new(true, null);
}
int nr = int.Parse(input.Text);
if (!ctx.MgNrExists(nr).GetAwaiter().GetResult()) {
return new(false, "Ungültige Mitgliedsnummer");
}
return new(true, null);
}
public static ValidationResult CheckNewMgNr(TextBox input, bool required, AppDbContext ctx, Member? m) {
var res = CheckInteger(input, required);
if (!res.IsValid) {
return res;
} else if (!required && input.Text.Length == 0) {
return new(true, null);
}
int nr = int.Parse(input.Text);
if (nr != m?.MgNr && ctx.MgNrExists(nr).GetAwaiter().GetResult()) {
return new(false, "Mitgliedsnummer wird bereits verwendet");
}
return new(true, null);
}
public static ValidationResult CheckSortId(TextBox input, bool required, AppDbContext ctx) {
var res = CheckUpperCase(input, required, 3);
if (!res.IsValid) {
return res;
} else if (!required && input.Text.Length == 0) {
return new(true, null);
}
if (input.Text.Length < 2 || !ctx.SortIdExists(input.Text[0..2]).GetAwaiter().GetResult()) {
return new(false, "Ungültige Sorte");
} else if (input.Text.Length >= 3) {
var disc = input.Text[2..];
if (!ctx.AttrIdExists(disc).GetAwaiter().GetResult() && !ctx.CultIdExists(disc).GetAwaiter().GetResult()) {
return new(false, "Ungültiges Attribut/Bewirt.");
}
}
return new(true, null);
}
public static ValidationResult CheckPredecessorMgNr(TextBox input, bool required, AppDbContext ctx) {
var res = CheckInteger(input, required);
if (!res.IsValid) {
return res;
} else if (!required && input.Text.Length == 0) {
return new(true, null);
} else if (!ctx.MgNrExists(int.Parse(input.Text)).GetAwaiter().GetResult()) {
return new(false, "Ein Mitglied mit dieser Mitgliedsnummer existiert nicht");
}
return new(true, null);
}
public static ValidationResult CheckDate(TextBox input, bool required) {
return CheckDate(input, required, false);
}
public static ValidationResult CheckPartialDate(TextBox input, bool required) {
return CheckDate(input, required, true);
}
private static ValidationResult CheckDate(TextBox input, bool required, bool partial) {
string text = "";
int pos = input.CaretIndex;
int p = 0;
var parts = new string?[3];
parts[0] = "";
for (int i = 0; i < input.Text.Length; i++) {
char ch = input.Text[i];
if (ch == '.') {
if (p < 2 && (parts[p]?.Length > 0 || pos == text.Length)) {
if (parts[p]?.Length == 1 && ((pos != text.Length && pos != text.Length - 1) || !input.IsFocused)) {
parts[p] = "0" + parts[p];
text = text[..(text.Length - 1)] + "0" + text[^1];
}
parts[++p] = "";
text += '.';
}
} else if (char.IsAsciiDigit(ch)) {
if ((partial && parts[p]?.Length < 4) || (!partial && ((p < 2 && parts[p]?.Length < 2) || (p == 2 && parts[2]?.Length < 4)))) {
parts[p] += ch;
text += ch;
}
if (p == 0 && pos == 1 && input.Text.Length >= 4 && input.Text.Length <= 9) {
parts[++p] = "";
text += '.';
continue; // skip caret update
}
}
if (i == input.CaretIndex - 1) {
pos = text.Length;
}
}
input.Text = text;
input.CaretIndex = pos;
if (text.Length == 0)
return required ? new(false, "Datum ist nicht optional") : new(true, null);
if (partial) {
if (p == 0) {
// only year provided
return (parts[0]?.Length == 4) ? new(true, null) : new(false, "Datum ist ungültig");
} else if (p == 1) {
// only month and year provided
int m = parts[0] != null && parts[0] != "" ? int.Parse(parts[0] ?? "0") : 0;
if (parts[1]?.Length != 4 || parts[0]?.Length != 2 || m < 1 || m > 12)
return new(false, "Datum ist ungültig");
return new(true, null);
}
}
if (!DateOnly.TryParseExact(text, "dd.MM.yyyy", out _))
return new(false, "Datum ist ungültig");
return new(true, null);
}
public static ValidationResult CheckTime(TextBox input, bool required) {
string text = "";
int pos = input.CaretIndex;
int v = 0;
for (int i = 0; i < input.Text.Length; i++) {
char ch = input.Text[i];
if (v >= 0 && v < 5 && v != 2 && char.IsAsciiDigit(ch)) {
if ((v == 0 && ch <= '2') || (v == 1 && (text[0] < '2' || ch <= '3')) || (v == 3 && ch <= '5') || v == 4) {
text += ch;
v++;
}
} else if (v == 2 && ch == ':') {
text += ch;
v++;
}
if (i == input.CaretIndex - 1)
pos = text.Length;
}
input.Text = text;
input.CaretIndex = pos;
if (text.Length == 0) {
return required ? new(false, "Wert ist nicht optional") : new(true, null);
} else if (v != 5) {
return new(false, "Zeit ist ungültig");
} else {
return new(true, null);
}
}
public static ValidationResult CheckFbNr(TextBox input, bool required, AppDbContext ctx, AreaCom? c) {
var res = CheckInteger(input, required);
if (!res.IsValid) {
return res;
} else if (!required && input.Text.Length == 0) {
return new(true, null);
}
int nr = int.Parse(input.Text);
if (nr != c?.FbNr && ctx.FbNrExists(nr).GetAwaiter().GetResult()) {
return new(false, "Flächenbindungsnummer wird bereits verwendet");
}
return new(true, null);
}
public static ValidationResult CheckGradatoinOe(TextBox input, bool required) {
var res = CheckInteger(input, required, 3);
if (!res.IsValid) {
return res;
} else if (!required && input.Text.Length == 0) {
return new(true, null);
}
var oe = double.Parse(input.Text);
if (oe < 10 || oe >= 300) {
return new(false, "Ungültiger Oechsle-Wert");
}
return new(true, null);
}
public static ValidationResult CheckGradationKmw(TextBox input, bool required) {
var res = CheckDecimal(input, required, 2, 1);
if (!res.IsValid) {
return res;
} else if (!required && input.Text.Length == 0) {
return new(true, null);
}
var kmw = double.Parse(input.Text);
if (kmw < 5 || kmw >= 50) {
return new(false, "Ungültiger KMW-Wert");
}
return new(true, null);
}
}
}