feat: file upload error

frontend/src/lib/components/dashboard/CoverLetterUploadCard.svelte

@@ -2,16 +2,25 @@
 	import { fetchSubmProgress } from '$lib/stores/portfolio';
 	import { apiUploadCoverLetter } from '$lib/@api/candidate';
 	import DashboardUploadCard from './DashboardUploadCard.svelte';
+	import type { ApiError } from '$lib/@api';
+
+	let error: string | null = null;
 
 	const onFileDrop = async (detail: any) => {
 		const file = detail.file;
 		const callback = detail.callback;
-		await apiUploadCoverLetter(file, callback);
+		try {
+			await apiUploadCoverLetter(file, callback);
+			error = null;
+		} catch (e) {
+			error = (e as ApiError).msg;
+		}
 		await fetchSubmProgress();
 	};
 </script>
 
 <DashboardUploadCard
+	{error}
 	on:filedrop={(e) => onFileDrop(e.detail)}
 	title="Motivační dopis"
 	filetype="PDF"

frontend/src/lib/components/dashboard/DashboardUploadCard.svelte

@@ -12,6 +12,8 @@
 
 	const dispatch = createEventDispatcher();
 
+	export let error: string | null = null;
+
 	export let title: string;
 	export let filetype: 'PDF' | 'ZIP';
 	export let filesize: number;
@@ -105,7 +107,7 @@
 			<StatusNotificationDot {status} />
 		</div>
 	</div>
-	{#if fileDropped}
+	{#if fileDropped &&  error === null}
 		<div class="body uploaded flex content-around items-center justify-between">
 			<div class="w-24">
 				<img
@@ -161,8 +163,12 @@
 				on:mouseleave={dashAnimationStop}
 				style={`background-image: url("data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='9' ry='9'  stroke-opacity='50%' stroke='%23406280' stroke-width='4' stroke-dasharray='10' stroke-dashoffset='${dashAnimationProgress}' stroke-linecap='square'/%3e%3c/svg%3e");`}
 			>
-				<span class="text-[#406280]">Sem přetáhněte,</span>
-				<span class="text-sspsGray">nebo nahrajte {placeholder}</span>
+				{#if error}
+					<span class="font-semibold text-red-600">{error}</span>
+				{:else}
+					<span class="text-[#406280]">Sem přetáhněte,</span>
+					<span class="text-sspsGray">nebo nahrajte {placeholder}</span>
+				{/if}
 			</div>
 		</div>
 	{/if}

frontend/src/lib/components/dashboard/PortfolioLetterUploadCard.svelte

@@ -1,17 +1,26 @@
 <script lang="ts">
+	import type { ApiError } from '$lib/@api';
 	import { fetchSubmProgress } from '$lib/stores/portfolio';
 	import { apiUploadPortfolioLetter } from '../../@api/candidate';
 	import DashboardUploadCard from './DashboardUploadCard.svelte';
 
+	let error: string | null = null;
+
 	const onFileDrop = async (detail: any) => {
 		const file = detail.file;
 		const callback = detail.callback;
-		await apiUploadPortfolioLetter(file, callback);
+		try {
+			await apiUploadPortfolioLetter(file, callback);
+			error = null;
+		} catch (e) {
+			error = (e as ApiError).msg;
+		}
 		await fetchSubmProgress();
 	};
 </script>
 
 <DashboardUploadCard
+	{error}
 	on:filedrop={(e) => onFileDrop(e.detail)}
 	title="Portfolio"
 	filetype="PDF"

frontend/src/lib/components/dashboard/PortfolioZipUploadCard.svelte

@@ -2,16 +2,25 @@
 	import { fetchSubmProgress } from '$lib/stores/portfolio';
 	import { apiUploadPortfolioZip } from '$lib/@api/candidate';
 	import DashboardUploadCard from './DashboardUploadCard.svelte';
+	import type { ApiError } from '$lib/@api';
+
+	let error: string | null = null;
 
 	const onFileDrop = async (detail: any) => {
 		const file = detail.file;
 		const callback = detail.callback;
-		await apiUploadPortfolioZip(file, callback);
+		try {
+			await apiUploadPortfolioZip(file, callback);
+			error = null;
+		} catch (e) {
+			error = (e as ApiError).msg;
+		}
 		await fetchSubmProgress();
 	};
 </script>
 
 <DashboardUploadCard
+	{error}
 	on:filedrop={(e) => onFileDrop(e.detail)}
 	title="Další data"
 	filetype="ZIP"