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flatten (#1167)

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This commit is contained in:
Anthony Stirling
2024-05-05 13:33:17 +01:00
committed by GitHub
parent d6b1fec69d
commit ac5273244c
33 changed files with 145 additions and 38 deletions
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36
src/main/resources/templates/misc/flatten.html
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@@ -13,36 +13,14 @@
<div class="row justify-content-center">
<div class="col-md-6">
<h2 th:text="#{flatten.header}"></h2>
<form id="pdfForm" class="mb-3">
<div class="custom-file">
<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf', remoteCall='false')}"></div>
</div>
<form method="post" enctype="multipart/form-data" th:action="@{api/v1/misc/flatten}">
<div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
<div class="mb-3-inline form-check">
<input type="checkbox" class="form-check-input" id="flattenOnlyForms" name="flattenOnlyForms">
<label class="ms-3" for="flattenOnlyForms" th:text="#{flatten.flattenOnlyForms}" ></label>
</div>
<br>
<button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{flatten.submit}"></button>
<script src="js/local-pdf-input-download.js"></script>
<script>
document.getElementById('pdfForm').addEventListener('submit', async (e) => {
e.preventDefault();
const { PDFDocument } = PDFLib;
const processFile = async (file) => {
const origFileUrl = URL.createObjectURL(file);
const formPdfBytes = await fetch(origFileUrl).then(res => res.arrayBuffer());
const pdfDoc = await PDFDocument.load(formPdfBytes, { ignoreEncryption: true });
const form = pdfDoc.getForm();
form.flatten();
const pdfBytes = await pdfDoc.save();
const pdfBlob = new Blob([pdfBytes], { type: 'application/pdf' });
const fileName = (file.name ? file.name.replace('.pdf', '') : 'pdf') + '_flattened.pdf';
return { processedData: pdfBlob, fileName };
};
await downloadFilesWithCallback(processFile);
});
</script>
</form>
</div>
</div>