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71 lines
3.2 KiB
71 lines
3.2 KiB
// Validation of form entry
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function isValid() {
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console.log("Validation started....");
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/* VALIDATE RENTAL ARTICLE NUMBER */
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let rental_art_nr = document.getElementById("mietart_nr").value;
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if(rental_art_nr == ''){ // check if rental art nr is present.
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setErrorPanel("Bitte eine Mietartikel Nummer angeben.");
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return false;
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}
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console.log("Testing if " + rental_art_nr[0] + " is a letter. IsLetter=" + rental_art_nr[0].match(/[a-z]/i));
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if(rental_art_nr[0].match(/[a-z]/i) == null){ // check if first character is a letter. all article numbers start with a letter.
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setErrorPanel("Bitte eine gültige Mietartikel Nummer angeben.");
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return false;
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}
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/* VALIDATE START DATE */
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let start_date_string = document.getElementById("von").value;
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let start_date = new Date(start_date_string);
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if(start_date_string == '' || start_date == null){ // check if start date is present and valid.
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setErrorPanel("Bitte ein valides Startdatum angeben.");
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return false;
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}
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/* VALIDATE END DATE */
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let end_date_string = document.getElementById("bis").value;
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let end_date = new Date(end_date_string);
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if(end_date_string == '' || end_date == null){ // check if end date is present and valid.
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setErrorPanel("Bitte ein valides Enddatum angeben.");
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return false;
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}
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/* VALIDATE START DATE IS BEFORE END DATE */
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console.log("Testing if start date " + start_date.toISOString() + " is before end date " + end_date.toISOString() + " Is=" + (end_date >= start_date));
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if(end_date < start_date){ // check if start date is before end date.
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setErrorPanel("Startdatum muss vor Enddatum liegen.");
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return false;
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}
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/* VALIDATE START DATE IS AFTER TODAY */
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let now = new Date(); // need to remove time from the "now" date object, therefore create new one with only date:
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let now_dateOnly = new Date(now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate());
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console.log("Testing if start date " + start_date.toISOString() + " is after now " + now_dateOnly.toISOString() + ". IsTodayOrLater=" + (start_date >= now_dateOnly));
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if(start_date < now_dateOnly){ // check if start date in the past. today is ok.
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setErrorPanel("Startdatum liegt in der Vergangenheit.");
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return false;
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}
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/* VALIDATE CUSTOMER NUMBER */
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let customer_nr = document.getElementById("kunden_nr").value;
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if(customer_nr == ''){ // check if customer number empty
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setErrorPanel("Bitte eine Kundennummer angeben.");
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return false;
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}
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console.log("Testing if customer number " + customer_nr + " is a number. IsInteger=" + (isNaN(customer_nr) == false));
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if(isNaN(customer_nr) == true){ // check if customer number is a number
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setErrorPanel("Kundennummer ist ungültig.");
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return false;
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}
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console.log("Validation sucessful");
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return true; // valid
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}
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// Unhides error panel and shows text
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function setErrorPanel(errorText) {
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let error_panel = document.getElementById("error-panel");
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let error_text = document.getElementById("error-text");
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error_text.innerText = errorText;
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error_panel.hidden = false;
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} |