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Solved type issues in traverseOperations etc. Changed functions to take a object single parameter. Condensed endpoints into a function call

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This commit is contained in:
Saud Fatayerji
2023-11-14 03:26:42 +03:00
parent 77274e6117
commit 9956367384
18 changed files with 377 additions and 260 deletions
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141
server-node/src/routes/api/operations-controller.ts
View File

@@ -1,93 +1,50 @@
import Operations from '../../utils/pdf-operations';
import { respondWithPdfFile, response_mustHaveExactlyOneFile } from '../../utils/endpoint-utils';
import { PdfFile, fromMulterFile } from '@stirling-pdf/shared-operations/src/wrappers/PdfFile'
import { PdfFile, PdfFileSchema, fromMulterFile, fromMulterFiles } from '@stirling-pdf/shared-operations/src/wrappers/PdfFile'
import express, { Request, Response } from 'express';
import express, { Request, Response, RequestHandler } from 'express';
const router = express.Router();
import multer from 'multer';
const upload = multer();
import Joi from 'joi';
import Joi, { array } from 'joi';
router.post('/merge-pdfs', upload.single("pdfFile"), async function(req: Request, res: Response) {
const schema = Joi.object({
deleteAll: Joi.string(),
author: Joi.string(),
creationDate: Joi.string(),
creator: Joi.string(),
keywords: Joi.string(),
modificationDate: Joi.string(),
producer: Joi.string(),
subject: Joi.string(),
title: Joi.string(),
trapped: Joi.string(),
allRequestParams: Joi.object().pattern(Joi.string(), Joi.string()),
}).required();
const { error, value } = schema.validate(req.body);
if (error) {
res.status(400).send(error.details);
return;
}
if (!req.file) {
response_mustHaveExactlyOneFile(res);
return;
}
function registerEndpoint(endpoint: string,
nameToAppend: string,
fileHandler: RequestHandler,
operationFunction: (params: any) => Promise<PdfFile|PdfFile[]>,
joiSchema: Joi.ObjectSchema<any>
): void {
router.post(endpoint, fileHandler, async function(req: Request, res: Response) {
const body = req.body;
if (req.file) {
body.file = fromMulterFile(req.file);
}
if (req.files) {
if (Array.isArray(req.files))
body.files = fromMulterFiles(req.files);
else {
const flattenedFiles = Object.values(req.files).flatMap(va => va);
body.files = fromMulterFiles(flattenedFiles);
}
}
const arrayFile = fromMulterFile(req.file);
const processed = await Operations.updateMetadata(arrayFile, value)
const newFilename = appendToFilename(req.file.originalname, '_edited-metadata');
respondWithPdfFile(res, processed);
});
router.post('/rotate-pdf', upload.single("pdfFile"), async function(req: Request, res: Response) {
const schema = Joi.object({
angle: Joi.number().required()
console.log(req.body)
const { error, value } = joiSchema.validate(req.body);
if (error) {
res.status(400).send(error.details);
return;
}
const processed = await operationFunction(value)
if (Array.isArray(processed)) {
// TODO zip multiple files
} else {
processed.filename = appendToFilename(processed.filename, nameToAppend);
respondWithPdfFile(res, processed);
}
});
const { error, value } = schema.validate(req.body);
if (error) {
res.status(400).send(error.details);
return;
}
if (!req.file) {
response_mustHaveExactlyOneFile(res);
return;
}
const arrayFile = fromMulterFile(req.file);
const rotated = await Operations.rotatePages(arrayFile, value.angle)
rotated.filename = appendToFilename(arrayFile.filename, '_rotated');
respondWithPdfFile(res, rotated);
});
router.post('/update-metadata', upload.single("pdfFile"), async function(req: Request, res: Response) {
const schema = Joi.object({
deleteAll: Joi.string(),
author: Joi.string(),
creationDate: Joi.string(),
creator: Joi.string(),
keywords: Joi.string(),
modificationDate: Joi.string(),
producer: Joi.string(),
subject: Joi.string(),
title: Joi.string(),
trapped: Joi.string(),
allRequestParams: Joi.object().pattern(Joi.string(), Joi.string()),
}).required();
const { error, value } = schema.validate(req.body);
if (error) {
res.status(400).send(error.details);
return;
}
if (!req.file) {
response_mustHaveExactlyOneFile(res);
return;
}
const arrayFile = fromMulterFile(req.file);
const processed = await Operations.updateMetadata(arrayFile, value)
processed.filename = appendToFilename(arrayFile.filename, '_edited-metadata');
respondWithPdfFile(res, processed);
});
}
/**
* appends a string before the last '.' of the given filename
@@ -96,4 +53,28 @@ function appendToFilename(filename: string, str: string) {
return filename.replace(/(\.[^.]+)$/, str+'$1')
}
registerEndpoint("/merge-pdfs", "_merged", upload.single("file"), Operations.mergePDFs, Joi.object({
files: Joi.array().items(PdfFileSchema).required(),
}).required())
registerEndpoint("/rotate-pdf", "_rotated", upload.single("file"), Operations.rotatePages, Joi.object({
file: PdfFileSchema.required(),
rotation: Joi.alternatives().try(Joi.number(), Joi.array().items(Joi.number())).required(),
}).required())
registerEndpoint("/update-metadata", "_edited-metadata", upload.single("file"), Operations.updateMetadata, Joi.object({
file: PdfFileSchema.required(),
deleteAll: Joi.string(),
author: Joi.string(),
creationDate: Joi.string(),
creator: Joi.string(),
keywords: Joi.string(),
modificationDate: Joi.string(),
producer: Joi.string(),
subject: Joi.string(),
title: Joi.string(),
trapped: Joi.string(),
allRequestParams: Joi.object().pattern(Joi.string(), Joi.string()),
}).required())
export default router;

11
server-node/src/utils/pdf-operations.ts
View File

@@ -1,14 +1,17 @@
import SharedOperations, { OperationsUseages } from "@stirling-pdf/shared-operations/src";
import SharedOperations, { OperationsType } from "@stirling-pdf/shared-operations/src";
import { ImposeParamsType } from '@stirling-pdf/shared-operations/src/functions/impose'
import { PdfFile } from "@stirling-pdf/shared-operations/src/wrappers/PdfFile";
// Import injected libraries here!
//import * as pdfcpuWrapper from "@stirling-pdf/shared-operations/wasm/pdfcpu/pdfcpu-wrapper-node.js";
async function impose(snapshot: any, nup: number, format: string) {
return SharedOperations.impose(snapshot, nup, format, null); // TODO change null to pdfcpuWrapper
async function impose(params: ImposeParamsType): Promise<PdfFile> {
const paramsToUse = { ...params, pdfcpuWrapper: null }; // TODO change null to pdfcpuWrapper
return SharedOperations.impose(paramsToUse);
}
const toExport: OperationsUseages = {
const toExport: OperationsType = {
...SharedOperations,
impose,
}