50 lines
2.0 KiB
TypeScript
50 lines
2.0 KiB
TypeScript
import { PdfFile, RepresentationType } from "../wrappers/PdfFile";
|
|
import { Operator, Progress, oneToOne } from ".";
|
|
|
|
import Joi from "@stirling-tools/joi";
|
|
import { JoiPDFFileSchema } from "../wrappers/PdfFileJoi";
|
|
|
|
import i18next from "i18next";
|
|
|
|
import { getPages } from "./common/getPagesByIndex";
|
|
import CommaArrayJoiExt from "../wrappers/CommaArrayJoiExt";
|
|
|
|
export class ExtractPages extends Operator {
|
|
static type = "extractPages";
|
|
|
|
/**
|
|
* Validation & Localisation
|
|
*/
|
|
|
|
protected static inputSchema = JoiPDFFileSchema.label(i18next.t("inputs.pdffile.name")).description(i18next.t("inputs.pdffile.description"));
|
|
protected static valueSchema = Joi.object({
|
|
pageIndexes: CommaArrayJoiExt.comma_array().items(Joi.number().integer()).required()
|
|
.label(i18next.t("values.pageIndexes.friendlyName", { ns: "extractPages" })).description(i18next.t("values.pageIndexes.description", { ns: "extractPages" }))
|
|
.example("1").example("1, 2, 3, 4").example("4, 2, 4, 3").required()
|
|
});
|
|
protected static outputSchema = JoiPDFFileSchema.label(i18next.t("outputs.pdffile.name")).description(i18next.t("outputs.pdffile.description"));
|
|
|
|
static schema = Joi.object({
|
|
input: ExtractPages.inputSchema,
|
|
values: ExtractPages.valueSchema.required(),
|
|
output: ExtractPages.outputSchema
|
|
}).label(i18next.t("friendlyName", { ns: "extractPages" })).description(i18next.t("description", { ns: "extractPages" }));
|
|
|
|
|
|
/**
|
|
* Logic
|
|
*/
|
|
|
|
/** PDF extraction, specify pages from one pdf and output them to a new pdf */
|
|
async run(input: PdfFile[], progressCallback: (state: Progress) => void): Promise<PdfFile[]> {
|
|
return oneToOne<PdfFile, PdfFile>(input, async (input, index, max) => {
|
|
|
|
const newFile = await getPages(input, this.actionValues.pageIndexes);
|
|
newFile.filename += "_extractedPages";
|
|
progressCallback({ curFileProgress: 1, operationProgress: index/max });
|
|
|
|
return newFile;
|
|
});
|
|
}
|
|
}
|