multi-downloader-nx/modules/module.eps-filter.ts
2021-11-01 20:38:58 +01:00

121 lines
4.2 KiB
TypeScript

const epNumLen = { E: 4, S: 3, M: 7 };
const maxRange = 1000;
// selectors
const epRegex = new RegExp (/^(?:E?|S|M)(\d+)$/);
const betaEpRegex = new RegExp (/^[0-9A-Z]{9}$/);
const epLtReg = new RegExp (/(?:E|S|M)/);
class doFilter {
ifMaxEp(type: keyof typeof epNumLen, num: number){
const maxEp = Math.pow(10, epNumLen[type]) - 1;
return num > maxEp ? true : false;
}
powNum(type: keyof typeof epNumLen){
return Math.pow(10, epNumLen[type]);
}
checkFilter(inputEps?: string){
// check
const inputEpsArr = inputEps !== undefined
? inputEps.toString().split(',') : [];
// input range
const inputEpsRange: string | string[] = [];
// filter wrong numbers
const filteredArr = inputEpsArr.map((e) => {
// convert to uppercase
e = e.toUpperCase();
// if range
if(e.match('-') && e.split('-').length == 2){
const eRange: (string|number)[] = e.split('-');
// check range
if (!eRange[0].toString().match(epRegex)) return '';
// set ep latter and pad
const epLetter = (eRange[0].toString().match(epLtReg) ? (eRange[0].toString().match(epLtReg) || [])[0] : 'E') as keyof typeof epNumLen;
const padLen = epNumLen[epLetter as keyof typeof epNumLen];
// parse range
eRange[0] = eRange[0].toString().replace(epLtReg, '');
eRange[0] = parseInt(eRange[0]);
eRange[0] = this.ifMaxEp(epLetter, eRange[0]) ? this.powNum(epLetter) - 1 : eRange[0];
eRange[1] = eRange[1].toString().match(/^\d+$/) ? parseInt(eRange[1] as string) : 0;
eRange[1] = this.ifMaxEp(epLetter, eRange[1]) ? this.powNum(epLetter) - 1 : eRange[1];
console.log(eRange);
// check if correct range
if (eRange[0] > eRange[1]){
const parsedEl = [
epLetter != 'E' ? epLetter : '',
eRange[0].toString().padStart(padLen, '0'),
].join('');
return parsedEl;
}
if(eRange[1] - eRange[0] + 1 > maxRange){
eRange[1] = eRange[0] + maxRange - 1;
}
const rangeLength = eRange[1] - eRange[0] + 1;
const epsRangeArr = Array(rangeLength).fill(0);
for(const i in epsRangeArr){
const parsedRangeEl = [
epLetter != 'E' ? epLetter : '',
(parseInt(i) + eRange[0]).toString().padStart(padLen, '0'),
].join('');
inputEpsRange.push(parsedRangeEl);
}
return '';
}
else if(e.match(epRegex)){
const epLetter = (e.match(epLtReg) ? (e.match(epLtReg) || [])[0] : 'E') as keyof typeof epNumLen;
const padLen = epNumLen[epLetter];
const e1 = parseInt(e.replace(epLtReg, ''));
const e2 = this.ifMaxEp(epLetter, e1) ? this.powNum(epLetter) - 1 : e1;
return (epLetter != 'E' ? epLetter : '') + e2.toString().padStart(padLen, '0');
}
else if(e.match(betaEpRegex)){
return e;
}
return '';
});
// end
const filteredArr1 = [...new Set(filteredArr.concat(inputEpsRange))];
const filteredArr2 = filteredArr1.indexOf('') > -1 ? filteredArr1.slice(1) : filteredArr1;
return filteredArr2;
}
checkMediaFilter(e: string){
const split = e.split(',');
const epLetter = 'M';
const inpMedia = [''];
// map select
split.map((e) => {
if(e.match('-')){
const eRange = e.split('-');
if(eRange[0].match(/^m?\d+$/i)){
eRange[0] = eRange[0].replace(/^m/i,'');
eRange[0] = (this.ifMaxEp(epLetter, parseInt(eRange[0])) ? this.powNum(epLetter) - 1 : parseInt(eRange[0])).toString();
inpMedia.push(eRange[0].toString());
}
}
else if(e.match(/^m?\d+$/i)){
const eMedia = parseInt(e.replace(/^m/i,''));
const eMediaStr = this.ifMaxEp(epLetter, eMedia) ? this.powNum(epLetter) - 1 : eMedia;
inpMedia.push(eMediaStr.toString());
}
});
return [...new Set(inpMedia)].splice(1);
}
checkBetaFilter(e: string){
const e1 = ['', ...e.split(',')];
const e2 = e1.map((e) => {
if(e.match(betaEpRegex)){
return e;
}
return '';
});
const e3 = [...new Set(e2)].splice(1);
const e4 = e3.length > 100 ? e3.slice(0, 100) : e3;
return e4;
}
}
export {
epNumLen,
doFilter,
};