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feat: Add a fake delay for a report generation with a loading UI #22

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14 changes: 11 additions & 3 deletions app/components/ParametersForm/index.tsx
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
'use client';

import { useEffect, useRef } from 'react';
import { useEffect, useRef, useState } from 'react';
import Link from 'next/link';
import { useForm } from 'react-hook-form';
import { zodResolver } from '@hookform/resolvers/zod';
Expand All @@ -17,6 +17,8 @@ export default function ParametersForm({
};
}) {
const simulationModalRef = useRef<HTMLDialogElement>(null);
const [generatedResultURL, setGeneratedResultURL] = useState<string>();
const [isProcessing, setIsProcessing] = useState<boolean>(false);

const {
register,
Expand All @@ -36,6 +38,11 @@ export default function ParametersForm({

const onSubmit = async (data: ParametersFormData) => {
sessionStorage.setItem('simulationParams', JSON.stringify(data));
// Creates a fake 1 second processing delay
setIsProcessing(true);
await new Promise((resolve) => setTimeout(resolve, 2000));
setIsProcessing(false);
setGeneratedResultURL(generateRandomURL());
if (simulationModalRef.current) {
simulationModalRef.current.showModal();
}
Expand Down Expand Up @@ -95,7 +102,8 @@ export default function ParametersForm({
type="submit"
disabled={!isValid}
>
Prepare Report
{isProcessing && <span className="loading loading-spinner"></span>}
{isProcessing ? 'Generating...' : 'Prepare Report'}
</button>
</Form>
<Modal modalRef={simulationModalRef}>
Expand All @@ -105,7 +113,7 @@ export default function ParametersForm({
<p className="mb-10 text-lg">Your simulation report was successfully generated.</p>

<Link
href={`/simulation/${generateRandomURL()}`}
href={`/simulation/${generatedResultURL}`}
className="btn bg-brand-dark-blue hover:bg-brand-blue"
>
Check the report
Expand Down
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