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Remove-pages endpoint returns a single PDF, remove-blanks endpoint returns a ZIP file

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This commit is contained in:
EthanHealy01 2025-09-16 15:57:19 +01:00
parent 0d0bf5930c
commit aa3797cb22
2 changed files with 7 additions and 44 deletions
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15
frontend/src/hooks/tools/removeBlanks/useRemoveBlanksOperation.ts
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@ -29,20 +29,7 @@ export const useRemoveBlanksOperation = () => {
const responseHandler = useCallback(async (blob: Blob): Promise<File[]> => { const responseHandler = useCallback(async (blob: Blob): Promise<File[]> => {
// Backend always returns a ZIP file containing the processed PDFs // Backend always returns a ZIP file containing the processed PDFs
const files = await extractZipFiles(blob); return await extractZipFiles(blob);
if (files.length > 0) return files;
// Fallback error handling
const textBuf = await blob.slice(0, 1024).arrayBuffer();
const text = new TextDecoder().decode(new Uint8Array(textBuf));
if (/error|exception|html/i.test(text)) {
const title =
text.match(/<title[^>]*>([^<]+)<\/title>/i)?.[1] ||
text.match(/<h1[^>]*>([^<]+)<\/h1>/i)?.[1] ||
'Unknown error';
throw new Error(`Remove blanks service error: ${title}`);
}
throw new Error('Unexpected response format from remove blanks service');
}, [extractZipFiles]); }, [extractZipFiles]);
return useToolOperation<RemoveBlanksParameters>({ return useToolOperation<RemoveBlanksParameters>({

36
frontend/src/hooks/tools/removePages/useRemovePagesOperation.ts
View File

@ -3,7 +3,7 @@ import { useTranslation } from 'react-i18next';
import { ToolType, useToolOperation, ToolOperationConfig } from '../shared/useToolOperation'; import { ToolType, useToolOperation, ToolOperationConfig } from '../shared/useToolOperation';
import { createStandardErrorHandler } from '../../../utils/toolErrorHandler'; import { createStandardErrorHandler } from '../../../utils/toolErrorHandler';
import { RemovePagesParameters, defaultParameters } from './useRemovePagesParameters'; import { RemovePagesParameters, defaultParameters } from './useRemovePagesParameters';
import { useToolResources } from '../shared/useToolResources'; // import { useToolResources } from '../shared/useToolResources';
export const buildRemovePagesFormData = (parameters: RemovePagesParameters, file: File): FormData => { export const buildRemovePagesFormData = (parameters: RemovePagesParameters, file: File): FormData => {
const formData = new FormData(); const formData = new FormData();
@ -23,37 +23,13 @@ export const removePagesOperationConfig = {
export const useRemovePagesOperation = () => { export const useRemovePagesOperation = () => {
const { t } = useTranslation(); const { t } = useTranslation();
const { extractZipFiles } = useToolResources(); // const { extractZipFiles } = useToolResources();
const responseHandler = useCallback(async (blob: Blob, originalFiles: File[]): Promise<File[]> => { const responseHandler = useCallback(async (blob: Blob, originalFiles: File[]): Promise<File[]> => {
// Try to detect zip vs pdf // Backend returns a PDF for remove-pages
const headBuf = await blob.slice(0, 4).arrayBuffer(); const base = originalFiles[0]?.name?.replace(/\.[^.]+$/, '') || 'document';
const head = new TextDecoder().decode(new Uint8Array(headBuf)); return [new File([blob], `removed_pages_${base}.pdf`, { type: 'application/pdf' })];
}, []);
// PDF response: return as single file
if (head.startsWith('%PDF')) {
const base = originalFiles[0]?.name?.replace(/\.[^.]+$/, '') || 'document';
return [new File([blob], `removed_pages_${base}.pdf`, { type: 'application/pdf' })];
}
// ZIP: extract PDFs inside
if (head.startsWith('PK')) {
const files = await extractZipFiles(blob);
if (files.length > 0) return files;
}
// Unknown blob type
const textBuf = await blob.slice(0, 1024).arrayBuffer();
const text = new TextDecoder().decode(new Uint8Array(textBuf));
if (/error|exception|html/i.test(text)) {
const title =
text.match(/<title[^>]*>([^<]+)<\/title>/i)?.[1] ||
text.match(/<h1[^>]*>([^<]+)<\/h1>/i)?.[1] ||
'Unknown error';
throw new Error(`Remove pages service error: ${title}`);
}
throw new Error('Unexpected response format from remove pages service');
}, [extractZipFiles]);
return useToolOperation<RemovePagesParameters>({ return useToolOperation<RemovePagesParameters>({
...removePagesOperationConfig, ...removePagesOperationConfig,