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Read.js
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Read.js
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"use strict";
const PDFParser = require("pdf2json"),
fs = require("fs");
if (!fs.existsSync("./data.json")) {
fs.writeFileSync(__dirname+"/data.json", JSON.stringify({}));
}
const data = require("./data.json");
module.exports = class Read {
constructor(path,event){
this.path = path;
this.text = "";
this.wordIndex = 0;
this.speed = 0;
}
loadPDF(reload=false){
return new Promise( (resolve, reject) => {
if(reload === true || !data.hasOwnProperty(this.path)){
const pdfParser = new PDFParser(this,1);
pdfParser.on("pdfParser_dataError", (errData) => {
console.error(errData.parserError);
reject();
});
pdfParser.on("pdfParser_dataReady", (pdfData) => {
this.text = pdfParser.getRawTextContent()
.replace(/[\n\t\s]{1,}/g," ")
.split(" ");
resolve();
});
pdfParser.loadPDF(this.path);
} else {
this.text = data[this.path].text;
this.wordIndex = data[this.path].actualWord;
resolve();
}
});
}
saveData(){
if (!data.hasOwnProperty(this.path)) {
data[this.path]={};
}
data[this.path].text = this.text;
data[this.path].actualWord = this.wordIndex;
data[this.path].totalWords = this.text.length;
data[this.path].speed = this.speed;
fs.writeFileSync(__dirname+"/data.json", JSON.stringify(data));
}
}