revised init db pw to pin, and check name routine

src/routes/(angemeldet)/upload/+page.svelte

@@ -19,13 +19,13 @@
 
 	function generatePIN() {
 		return Math.random()
-		.toString(36)
-		.slice(2, 2 + PINLength);
+			.toString(36)
+			.slice(2, 2 + PINLength);
 	}
-	let vorgangPIN = ''
-	let vorgangPINOld = ''
+	let vorgangPIN = '';
+	let vorgangPINOld = '';
 	$: vorgangPINOld = generatePIN();
-	$: vorgangPIN = vorgangPINOld
+	$: vorgangPIN = vorgangPINOld;
 
 	let vorgangExists = undefined;
 	$: vorgangExists = false;
@@ -36,7 +36,7 @@
 
 	$: inProgress = form === null;
 
-	let formErrors: Record<string,any> | null;
+	let formErrors: Record<string, any> | null;
 
 	async function validateForm() {
 		let data = new FormData();
@@ -139,6 +139,7 @@
 		// big endian!
 		let file = files[0];
 		let file_header = file.slice(0, 4);
+		console.log(file_header);
 		let header_bytes = await file_header.bytes();
 		let file_header_hex = '0x' + header_bytes.toHex().toString();
 
@@ -152,33 +153,36 @@
 
 	// `/(angemeldet)/view` return true or false
 	async function checkVorgangExists(vorgangName: string) {
-
 		if (vorgangName == '') {
 			vorgangPIN = vorgangPINOld;
 			return;
 		}
 
-		let url = `/api/list/${vorgangName}`
+		try {
+			const url = `/api/list/${vorgangName}`;
+			const response = await fetch(url, { method: 'HEAD' });
 
-		const response = await fetch(url, { method: 'HEAD'});
-		const status = response.status;
-
-		if (status == 200) {
-			vorgangExists = true;
-			const token = await getVorgangPIN(vorgangName);
-			vorgangPIN = token;
-
-			return true
-
-		} else {
+			if (response.status === 200) {
+				console.log('Vorgang existiert:', vorgangName);
+				vorgangExists = true;
+				const token = await getVorgangPIN(vorgangName);
+				vorgangPIN = token;
+				return true;
+			} else {
+				console.log('Vorgang existiert nicht!');
+				vorgangExists = false;
+				vorgangPIN = vorgangPINOld;
+				return false;
+			}
+		} catch (err) {
+			console.error('Fehler bei checkVorgangExists:', err);
 			vorgangExists = false;
 			vorgangPIN = vorgangPINOld;
-			return false
+			return false;
 		}
 	}
 
 	async function getVorgangPIN(vorgangName: string) {
-
 		if (vorgangName == '') return;
 
 		let url = `/api/list/${vorgangName}/vorgangPIN`;
@@ -190,7 +194,6 @@
 			return -1;
 		}
 	}
-
 </script>
 
 <div class="mx-auto max-w-2xl">
@@ -211,7 +214,7 @@
 							><span class="flex"
 								>{#if formErrors?.vorgang}
 									<span class="inline-block mr-1"><Exclamation /></span>
-								{/if} Vorgang</span
+								{/if} Vorgangsname</span
 							></label
 						>
 						<div class="mt-2">
@@ -241,10 +244,10 @@
 
 					<div>
 						<label for="name" class="block text-sm font-medium leading-6 text-gray-900"
-						><span class="flex"
-							>{#if formErrors?.name}
+							><span class="flex"
+								>{#if formErrors?.name}
 									<span class="inline-block mr-1"><Exclamation /></span>
-								{/if} Name</span
+								{/if} Modellname</span
 							></label
 						>
 						<div class="mt-2">
@@ -283,16 +286,19 @@
 									type="text"
 									name="vorgang-pin"
 									id="vorgang-pin"
-									on:input="{ (ev) => { vorgangPINOld = ev.target.value }}"
+									on:input={(ev) => {
+										vorgangPINOld = ev.target.value;
+									}}
 									class="block flex-1 border-0 bg-transparent py-1.5 pl-1 text-gray-900 placeholder:text-gray-400 focus:ring-0 sm:text-sm sm:leading-6"
 								/>
-
 							</div>
 							<button
-							class="rounded-md bg-blue-500 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600"
-							on:click="{() => {
-							vorgangPIN = vorgangPINOld = generatePIN(); }}"
-							type="button">
+								class="rounded-md bg-blue-500 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600"
+								on:click={() => {
+									vorgangPIN = vorgangPINOld = generatePIN();
+								}}
+								type="button"
+							>
 								Generiere Zugangs-PIN
 							</button>
 						</div>