122 lines
3.9 KiB
JavaScript
122 lines
3.9 KiB
JavaScript
const epNumLen = { E: 4, S: 3, M: 7 };
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const maxRange = 1000;
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// selectors
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const epRegex = new RegExp (/^(?:E?|S|M)(\d+)$/);
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const betaEpRegex = new RegExp (/^[0-9A-Z]{9}$/);
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const epLtReg = new RegExp (/(?:E|S|M)/);
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class doFilter {
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constructor(){}
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ifMaxEp(type, num){
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const maxEp = Math.pow(10, epNumLen[type]) - 1;
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return num > maxEp ? true : false;
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}
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powNum(type){
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return Math.pow(10, epNumLen[type]);
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}
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checkFilter(inputEps){
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// check
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inputEps = typeof inputEps != 'undefined'
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? inputEps.toString().split(',') : [];
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// input range
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const inputEpsRange = [];
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// filter wrong numbers
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inputEps = inputEps.map((e) => {
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// convert to uppercase
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e = e.toUpperCase();
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// if range
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if(e.match('-') && e.split('-').length == 2){
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const eRange = e.split('-');
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// check range
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if (!eRange[0].match(epRegex)) return '';
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// set ep latter and pad
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const epLetter = eRange[0].match(epLtReg) ? eRange[0].match(epLtReg)[0] : 'E';
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const padLen = epNumLen[epLetter];
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// parse range
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eRange[0] = eRange[0].replace(epLtReg, '');
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eRange[0] = parseInt(eRange[0]);
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eRange[0] = this.ifMaxEp(epLetter, eRange[0]) ? this.powNum(epLetter) - 1 : eRange[0];
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eRange[1] = eRange[1].match(/^\d+$/) ? parseInt(eRange[1]) : 0;
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eRange[1] = this.ifMaxEp(epLetter, eRange[1]) ? this.powNum(epLetter) - 1 : eRange[1];
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// check if correct range
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if (eRange[0] > eRange[1]){
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const parsedEl = [
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epLetter != 'E' ? epLetter : '',
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eRange[0].toString().padStart(padLen, '0'),
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].join('');
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return parsedEl;
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}
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if(eRange[1] - eRange[0] + 1 > maxRange){
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eRange[1] = eRange[0] + maxRange - 1;
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}
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const rangeLength = eRange[1] - eRange[0] + 1;
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const epsRangeArr = Array(rangeLength).fill(0);
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for(const i in epsRangeArr){
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const parsedRangeEl = [
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epLetter != 'E' ? epLetter : '',
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(parseInt(i) + eRange[0]).toString().padStart(padLen, '0'),
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].join('');
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inputEpsRange.push(parsedRangeEl);
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}
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return '';
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}
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else if(e.match(epRegex)){
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const epLetter = e.match(epLtReg) ? e.match(epLtReg)[0] : 'E';
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const padLen = epNumLen[epLetter];
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e = parseInt(e.replace(epLtReg, ''));
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e = this.ifMaxEp(epLetter, e) ? this.powNum(epLetter) - 1 : e;
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return (epLetter != 'E' ? epLetter : '') + e.toString().padStart(padLen, '0');
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}
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else if(e.match(betaEpRegex)){
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return e;
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}
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return '';
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});
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// end
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inputEps = [...new Set(inputEps.concat(inputEpsRange))];
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inputEps = inputEps.indexOf('') > -1 ? inputEps.slice(1) : inputEps;
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return inputEps;
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}
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checkMediaFilter(e){
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e = e.split(',');
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const epLetter = 'M';
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const inpMedia = [''];
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// map select
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e.map((e) => {
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if(e.match('-')){
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const eRange = e.split('-');
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if(eRange[0].match(/^m?\d+$/i)){
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eRange[0] = eRange[0].replace(/^m/i,'');
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eRange[0] = parseInt(eRange[0]);
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eRange[0] = this.ifMaxEp(epLetter, eRange[0]) ? this.powNum(epLetter) - 1 : eRange[0];
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inpMedia.push(eRange[0].toString());
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}
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}
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else if(e.match(/^m?\d+$/i)){
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const eMedia = parseInt(e.replace(/^m/i,''));
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const eMediaStr = this.ifMaxEp(epLetter, eMedia) ? this.powNum(epLetter) - 1 : eMedia;
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inpMedia.push(eMediaStr.toString());
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}
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});
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return [...new Set(inpMedia)].splice(1);
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}
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checkBetaFilter(e){
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e = ['', ...e.split(',')];
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e = e.map((e) => {
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if(e.match(betaEpRegex)){
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return e;
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}
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return '';
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});
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e = [...new Set(e)].splice(1);
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e = e.length > 100 ? e.slice(0, 100) : e;
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return e;
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}
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}
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module.exports = {
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epNumLen,
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doFilter,
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};
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