refactored MiscMethods.js, now Misc.js
This commit is contained in:
parent
1291646115
commit
dd58f5512f
|
@ -1,7 +1,7 @@
|
|||
import React from "react";
|
||||
import Song from "../../melodii/Song";
|
||||
import MusicPlayer from "../../melodii/MusicPlayer";
|
||||
import Misc, { createID } from "../MiscMethods";
|
||||
import { createID, sortTable, TableText, formatMetadata } from "../Misc";
|
||||
import Emitter from "../../melodii/Events";
|
||||
import Filepath from "../../melodii/Filepath";
|
||||
import Settings from 'electron-settings';
|
||||
|
@ -91,7 +91,7 @@ export default class Table extends React.Component {
|
|||
*/
|
||||
handleSort(table, term) {
|
||||
const temp = table;
|
||||
Emitter.emit("newTable", Misc.sortTable(temp, term));
|
||||
Emitter.emit("newTable", sortTable(temp, term));
|
||||
}
|
||||
|
||||
/**
|
||||
|
@ -113,22 +113,22 @@ export default class Table extends React.Component {
|
|||
onKeyDown={this.handleKeyDown.bind(this)}
|
||||
tabIndex="0">
|
||||
<td id="text">
|
||||
{Misc.truncateText(obj.artist, maxWidth, "Roboto")}
|
||||
{TableText.truncateText(obj.artist, maxWidth, "Roboto")}
|
||||
</td>
|
||||
<td id="text">
|
||||
{Misc.truncateText(obj.title, maxWidth, "Roboto")}
|
||||
{TableText.truncateText(obj.title, maxWidth, "Roboto")}
|
||||
</td>
|
||||
<td id="text">
|
||||
{Misc.truncateText(obj.album, maxWidth, "Roboto")}
|
||||
{TableText.truncateText(obj.album, maxWidth, "Roboto")}
|
||||
</td>
|
||||
<td id="number">
|
||||
{Misc.truncateText(obj.year, maxWidth, "Roboto")}
|
||||
{TableText.truncateText(obj.year, maxWidth, "Roboto")}
|
||||
</td>
|
||||
<td id="text">
|
||||
{Misc.truncateText(obj.genre, maxWidth, "Roboto")}
|
||||
{TableText.truncateText(obj.genre, maxWidth, "Roboto")}
|
||||
</td>
|
||||
<td id="number">
|
||||
{Misc.truncateText(obj.time, maxWidth, "Roboto")}
|
||||
{TableText.truncateText(obj.time, maxWidth, "Roboto")}
|
||||
</td>
|
||||
</tr>
|
||||
));
|
||||
|
@ -222,7 +222,7 @@ export async function generate(path, template) {
|
|||
let song = new Song(arr[i]);
|
||||
song= await Song.getMetadata(song);
|
||||
|
||||
table.tbody.push(Misc.formatMetadata(song, song.metadata));
|
||||
table.tbody.push(formatMetadata(song, song.metadata));
|
||||
dom.innerHTML = "Creating Table Data: " + ~~((i / end) * 100) + "%";
|
||||
}
|
||||
|
||||
|
|
|
@ -0,0 +1,347 @@
|
|||
import Song from "../melodii/Song";
|
||||
|
||||
const usedTableIDs = [];
|
||||
|
||||
|
||||
/**
|
||||
* Finds the ode of a Set of umbers
|
||||
* @param {Array<Number>} arr
|
||||
* @return {Number} The Mode
|
||||
*/
|
||||
export function mode(arr) {
|
||||
//https://codereview.stackexchange.com/a/68431
|
||||
return arr.reduce(
|
||||
function(current, item) {
|
||||
var val = (current.numMapping[item] =
|
||||
(current.numMapping[item] || 0) + 1);
|
||||
if (val > current.greatestFreq) {
|
||||
current.greatestFreq = val;
|
||||
current.mode = item;
|
||||
}
|
||||
return current;
|
||||
},
|
||||
{ mode: null, greatestFreq: -Infinity, numMapping: {} },
|
||||
arr
|
||||
).mode;
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds the Median of a Set of Numbers
|
||||
* @param {Array<Number>} arr
|
||||
* @return {Number} The Median
|
||||
*/
|
||||
export function median(arr) {
|
||||
arr.sort((a, b) => {
|
||||
return a - b;
|
||||
});
|
||||
|
||||
let half = ~~(arr.length / 2);
|
||||
|
||||
if (arr.length % 2) return arr[half];
|
||||
else return (arr[half - 1] + arr[half]) / 2.0;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Finds the Average of a Set of Numbers
|
||||
* @param {Array<Number>} arr
|
||||
* @return {Number} The Average
|
||||
*/
|
||||
export function average(arr) {
|
||||
let total = 0;
|
||||
for (let i = 0; i < arr.length; i++) {
|
||||
total += arr[i];
|
||||
}
|
||||
return total / arr.length;
|
||||
}
|
||||
|
||||
|
||||
|
||||
export class TableText {
|
||||
/**
|
||||
* Stack Overflow: https://stackoverflow.com/questions/118241/calculate-text-width-with-javascript/21015393#21015393
|
||||
*
|
||||
* This Method finds how much hortizontal space text takes up (UTF8 Compliant) using the HTML5 Canvas
|
||||
*
|
||||
* @param {String} text Text to Measure
|
||||
* @param {String} font Font of Text
|
||||
* @param {*} cnvs Cached Canvas (if it exists)
|
||||
* @return {Number} Width of String of Text
|
||||
* @static
|
||||
*/
|
||||
static measureText(text, font, cnvs) {
|
||||
// let canvas =
|
||||
// self.canvas || (self.canvas = document.createElement("canvas"));
|
||||
// let ctx = canvas.getContext("2d");
|
||||
|
||||
let ctx;
|
||||
let canvas = cnvs;
|
||||
if (canvas) ctx = canvas.getContext("2d");
|
||||
else {
|
||||
canvas = document.createElement("canvas");
|
||||
ctx = canvas.getContext("2d");
|
||||
}
|
||||
|
||||
ctx.font = font;
|
||||
let metrics = ctx.measureText(text);
|
||||
return metrics.width;
|
||||
}
|
||||
|
||||
/**
|
||||
* This Method Truncates Text given the amount of available horizontal space and the font of the text desired so that
|
||||
* All the text fits onto one line. If truncated the String ends up looking like thi...
|
||||
*
|
||||
*
|
||||
* @param {String} text Text to be Truncated
|
||||
* @param {Number} maxWidth How much Horizontal Space is available to be used up by text.
|
||||
* @param {String} font Name of Font
|
||||
* @return {String} Truncated Text
|
||||
* @static
|
||||
*/
|
||||
static truncateText(text, maxWidth, font) {
|
||||
let canvas = document.createElement("canvas");
|
||||
|
||||
let width = TableText.measureText(text, font, canvas);
|
||||
|
||||
if (width > maxWidth) {
|
||||
//text needs truncating...
|
||||
let charWidths = [];
|
||||
let ellipsisWidth = TableText.measureText("...", font, canvas);
|
||||
|
||||
//get Average width of every char in string
|
||||
for (let char in text)
|
||||
if (typeof char === "string")
|
||||
charWidths.push(TableText.measureText(char, font));
|
||||
|
||||
// let charWidth = this.median(charWidths);
|
||||
let charWidth = average(charWidths);
|
||||
// let charWidth = this.mode(charWidths);
|
||||
|
||||
//Find out how many of these characters fit in max Width;
|
||||
let maxChars = (maxWidth - ellipsisWidth) / charWidth;
|
||||
|
||||
let truncated = "";
|
||||
|
||||
try {
|
||||
truncated = text.substr(0, maxChars);
|
||||
} catch (e) {
|
||||
// console.warn('\n' + e + ' ASSUMPTION: Melodii width shrunk to extremely small proportions');
|
||||
// console.warn('Text: "' + text + '"\nMaximum Width: ' + maxWidth + 'px.\nMaximum Space for Characters: ' + maxChars + 'px.');
|
||||
}
|
||||
return truncated + "...";
|
||||
} else return text;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a unique ID that is not UUID compliant.
|
||||
* - used to distinguish table objects from one another.
|
||||
* @param {Number} length
|
||||
* @return {String}
|
||||
*/
|
||||
export function createID(length) {
|
||||
const chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
|
||||
let id;
|
||||
|
||||
do {
|
||||
id = "";
|
||||
for (let i = 0; i < length; i++) id += chars[randInt(0, chars.length)];
|
||||
} while(usedTableIDs.includes(id));
|
||||
|
||||
usedTableIDs.push(id);
|
||||
return id;
|
||||
|
||||
function randInt(min, max) {
|
||||
return ~~(Math.random() * (max - min) + min);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* This function takes a Song and the Metadata of said Song and formats it so that it can be easlily processed by Table Generation.
|
||||
* @param {Song} song
|
||||
* @param {Object} metadata
|
||||
* @return {Object} The Formateed Metadata
|
||||
* @static
|
||||
*/
|
||||
export function formatMetadata(song, metadata) {
|
||||
let format = metadata.format;
|
||||
let common = metadata.common;
|
||||
let min = ~~((format.duration % 3600) / 60);
|
||||
let sec = ~~(format.duration % 60);
|
||||
if (sec < 10) sec = "0" + sec;
|
||||
let time = min + ":" + sec;
|
||||
|
||||
return {
|
||||
location: song.location,
|
||||
time: time,
|
||||
artist: common.artist || "",
|
||||
title: common.title || "",
|
||||
album: common.album || "",
|
||||
year: common.year || "",
|
||||
genre: common.genre ? common.genre.toString() : "",
|
||||
inSeconds: format.duration
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Sorts a Table based on a Term Given to the Method
|
||||
*
|
||||
* @param {Object} table Table Object
|
||||
* @param {*} term Sort Term
|
||||
* @return {Object} Processed Table Object
|
||||
* @static
|
||||
*
|
||||
*/
|
||||
export function sortTable(table, term) {
|
||||
term = term.toLowerCase();
|
||||
let tbody = table.tbody.slice();
|
||||
|
||||
let res = {
|
||||
thead: {
|
||||
tr: table.thead.tr.slice()
|
||||
},
|
||||
tbody: null
|
||||
};
|
||||
|
||||
if (term === "title") {
|
||||
tbody.sort((a, b) => {
|
||||
// turns [" Uptown Funk"] into ["Uptown Funk"]
|
||||
let fixedStr = removeLeadingWhitespaces(
|
||||
a.title,
|
||||
b.title
|
||||
);
|
||||
a.title = fixedStr[0];
|
||||
b.title = fixedStr[1];
|
||||
|
||||
if (a.title < b.title) return -1;
|
||||
else if (a.title > b.title) return 1;
|
||||
else return 0;
|
||||
});
|
||||
} else if (term === "artist") {
|
||||
tbody.sort((a, b) => {
|
||||
let fixedStr = removeLeadingWhitespaces(
|
||||
a.artist,
|
||||
b.artist
|
||||
);
|
||||
a.artist = fixedStr[0];
|
||||
b.artist = fixedStr[1];
|
||||
|
||||
if (a.artist < b.artist) return -1;
|
||||
else if (a.artist > b.artist) return 1;
|
||||
else return 0;
|
||||
});
|
||||
} else if (term === "album") {
|
||||
tbody.sort((a, b) => {
|
||||
let fixedStr = removeLeadingWhitespaces(
|
||||
a.album,
|
||||
b.album
|
||||
);
|
||||
a.album = fixedStr[0];
|
||||
b.album = fixedStr[1];
|
||||
|
||||
if (a.album < b.album) return -1;
|
||||
else if (a.album > b.album) return 1;
|
||||
else return 0;
|
||||
});
|
||||
} else if (term === "genre") {
|
||||
tbody.sort((a, b) => {
|
||||
let fixedStr = removeLeadingWhitespaces(
|
||||
a.genre,
|
||||
b.genre
|
||||
);
|
||||
a.genre = fixedStr[0];
|
||||
b.genre = fixedStr[1];
|
||||
|
||||
if (a.genre < b.genre) return -1;
|
||||
else if (a.genre > b.genre) return 1;
|
||||
else return 0;
|
||||
});
|
||||
} else if (term === "year") {
|
||||
tbody.sort((a, b) => {
|
||||
return a.year - b.year;
|
||||
});
|
||||
} else if (term === "time") {
|
||||
//term == time convert the time into seconds
|
||||
//The messy else if + else is becomes a.inSeconds || b.inSeconds can be undefined.
|
||||
tbody.sort((a, b) => {
|
||||
if (a.inSeconds && b.inSeconds) {
|
||||
return a.inSeconds - b.inSeconds;
|
||||
} else if (a.inSeconds || b.inSeconds) {
|
||||
if (a.inSeconds) {
|
||||
let parsedB = b.time.split(":");
|
||||
if (parsedB[0][0] === "0") parsedB[0] = parsedB[0][1];
|
||||
if (parsedB[1][0] === "0") parsedB[1] = parsedB[1][1];
|
||||
let totalB =
|
||||
parseInt(parsedB[0], 10) * 60 +
|
||||
parseInt(parsedB[1], 10);
|
||||
b.inSeconds = totalB;
|
||||
|
||||
return a.inSeconds - totalB;
|
||||
} else {
|
||||
let parsedA = a.time.split(":");
|
||||
if (parsedA[0][0] === "0") parsedA[0] = parsedA[0][1];
|
||||
if (parsedA[1][0] === "0") parsedA[1] = parsedA[1][1];
|
||||
let totalA =
|
||||
parseInt(parsedA[0], 10) * 60 +
|
||||
parseInt(parsedA[1], 10);
|
||||
a.inSeconds = totalA;
|
||||
|
||||
return totalA - b.inSeconds;
|
||||
}
|
||||
} else {
|
||||
let parsedA = a.time.split(":");
|
||||
if (parsedA[0][0] === "0") parsedA[0] = parsedA[0][1];
|
||||
if (parsedA[1][0] === "0") parsedA[1] = parsedA[1][1];
|
||||
|
||||
let parsedB = b.time.split(":");
|
||||
if (parsedB[0][0] === "0") parsedB[0] = parsedB[0][1];
|
||||
if (parsedB[1][0] === "0") parsedB[1] = parsedB[1][1];
|
||||
|
||||
let totalA =
|
||||
parseInt(parsedA[0], 10) * 60 +
|
||||
parseInt(parsedA[1], 10);
|
||||
let totalB =
|
||||
parseInt(parsedB[0], 10) * 60 +
|
||||
parseInt(parsedB[1], 10);
|
||||
a.inSeconds = totalA;
|
||||
b.inSeconds = totalB;
|
||||
|
||||
return totalA - totalB;
|
||||
}
|
||||
});
|
||||
}
|
||||
if (table.tbody === tbody) console.warn("Music has not been sorted");
|
||||
else console.log("Music has been sorted");
|
||||
|
||||
res.tbody = tbody;
|
||||
return res;
|
||||
|
||||
|
||||
/**
|
||||
* Removes Leading Whitespaces from 2 Strings
|
||||
* - Used Exclusively in sortTable()
|
||||
* - Used so that Both Strings can properly be compared
|
||||
* @param {String} string1
|
||||
* @param {String} string2
|
||||
* @return {Array<String>} Truncated Strings
|
||||
* @static
|
||||
*/
|
||||
function removeLeadingWhitespaces(string1, string2) {
|
||||
const regex = /^\s+/i;
|
||||
let stringA = string1;
|
||||
let stringB = string2;
|
||||
|
||||
if (regex.test(stringA)) {
|
||||
let spaces = regex.exec(stringA)[0];
|
||||
stringA = stringA.substr(spaces.length, stringA.length);
|
||||
}
|
||||
if (regex.test(stringB)) {
|
||||
let spaces = regex.exec(stringB)[0];
|
||||
stringB = stringB.substr(spaces.length, stringB.length);
|
||||
}
|
||||
|
||||
return [stringA, stringB];
|
||||
}
|
||||
}
|
||||
|
|
@ -1,349 +0,0 @@
|
|||
import Song from "../melodii/Song";
|
||||
|
||||
const usedTableIDs = [];
|
||||
|
||||
/**
|
||||
* - Every Method in this file must be Static and _probably_ Synchronous
|
||||
* - The Methods contained in this class must only be methods that don't really fit anywhere else
|
||||
* - Any Functions that require the use of Fs are not allowd in this Class.
|
||||
*/
|
||||
export default class MiscMethods {
|
||||
|
||||
/**
|
||||
* Finds the Mode of a Set of Numbers
|
||||
* @param {Array<Number>} arr
|
||||
* @return {Number} The Mode
|
||||
* @static
|
||||
*/
|
||||
static mode(arr) {
|
||||
//https://codereview.stackexchange.com/a/68431
|
||||
return arr.reduce(
|
||||
function(current, item) {
|
||||
var val = (current.numMapping[item] =
|
||||
(current.numMapping[item] || 0) + 1);
|
||||
if (val > current.greatestFreq) {
|
||||
current.greatestFreq = val;
|
||||
current.mode = item;
|
||||
}
|
||||
return current;
|
||||
},
|
||||
{ mode: null, greatestFreq: -Infinity, numMapping: {} },
|
||||
arr
|
||||
).mode;
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds the Median of a Set of Numbers
|
||||
* @param {Array<Number>} arr
|
||||
* @return {Number} The Median
|
||||
* @static
|
||||
*/
|
||||
static median(arr) {
|
||||
arr.sort((a, b) => {
|
||||
return a - b;
|
||||
});
|
||||
|
||||
let half = ~~(arr.length / 2);
|
||||
|
||||
if (arr.length % 2) return arr[half];
|
||||
else return (arr[half - 1] + arr[half]) / 2.0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds the Average of a Set of Numbers
|
||||
* @param {Array<Number>} arr
|
||||
* @return {Number} The Average
|
||||
* @static
|
||||
*/
|
||||
static average(arr) {
|
||||
let total = 0;
|
||||
for (let i = 0; i < arr.length; i++) {
|
||||
total += arr[i];
|
||||
}
|
||||
return total / arr.length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Stack Overflow: https://stackoverflow.com/questions/118241/calculate-text-width-with-javascript/21015393#21015393
|
||||
*
|
||||
* This Method finds how much hortizontal space text takes up (UTF8 Compliant) using the HTML5 Canvas
|
||||
*
|
||||
* @param {String} text Text to Measure
|
||||
* @param {String} font Font of Text
|
||||
* @param {*} cnvs Cached Canvas (if it exists)
|
||||
* @return {Number} Width of String of Text
|
||||
* @static
|
||||
*/
|
||||
static measureText(text, font, cnvs) {
|
||||
// let canvas =
|
||||
// self.canvas || (self.canvas = document.createElement("canvas"));
|
||||
// let ctx = canvas.getContext("2d");
|
||||
|
||||
let ctx;
|
||||
let canvas = cnvs;
|
||||
if (canvas) ctx = canvas.getContext("2d");
|
||||
else {
|
||||
canvas = document.createElement("canvas");
|
||||
ctx = canvas.getContext("2d");
|
||||
}
|
||||
|
||||
ctx.font = font;
|
||||
let metrics = ctx.measureText(text);
|
||||
return metrics.width;
|
||||
}
|
||||
|
||||
/**
|
||||
* This Method Truncates Text given the amount of available horizontal space and the font of the text desired so that
|
||||
* All the text fits onto one line. If truncated the String ends up looking like thi...
|
||||
*
|
||||
*
|
||||
* @param {String} text Text to be Truncated
|
||||
* @param {Number} maxWidth How much Horizontal Space is available to be used up by text.
|
||||
* @param {String} font Name of Font
|
||||
* @return {String} Truncated Text
|
||||
* @static
|
||||
*/
|
||||
static truncateText(text, maxWidth, font) {
|
||||
let canvas = document.createElement("canvas");
|
||||
|
||||
let width = MiscMethods.measureText(text, font, canvas);
|
||||
|
||||
if (width > maxWidth) {
|
||||
//text needs truncating...
|
||||
let charWidths = [];
|
||||
let ellipsisWidth = MiscMethods.measureText("...", font, canvas);
|
||||
|
||||
//get Average width of every char in string
|
||||
for (let char in text)
|
||||
if (typeof char === "string")
|
||||
charWidths.push(MiscMethods.measureText(char, font));
|
||||
|
||||
// let charWidth = this.median(charWidths);
|
||||
let charWidth = MiscMethods.average(charWidths);
|
||||
// let charWidth = this.mode(charWidths);
|
||||
|
||||
//Find out how many of these characters fit in max Width;
|
||||
let maxChars = (maxWidth - ellipsisWidth) / charWidth;
|
||||
|
||||
let truncated = "";
|
||||
|
||||
try {
|
||||
truncated = text.substr(0, maxChars);
|
||||
} catch (e) {
|
||||
// console.warn('\n' + e + ' ASSUMPTION: Melodii width shrunk to extremely small proportions');
|
||||
// console.warn('Text: "' + text + '"\nMaximum Width: ' + maxWidth + 'px.\nMaximum Space for Characters: ' + maxChars + 'px.');
|
||||
}
|
||||
return truncated + "...";
|
||||
} else return text;
|
||||
}
|
||||
|
||||
/**
|
||||
* This function takes a Song and the Metadata of said Song and formats it so that it can be easlily processed by Table Generation.
|
||||
* @param {Song} song
|
||||
* @param {Object} metadata
|
||||
* @return {Object} The Formateed Metadata
|
||||
* @static
|
||||
*/
|
||||
static formatMetadata(song, metadata) {
|
||||
let format = metadata.format;
|
||||
let common = metadata.common;
|
||||
let min = ~~((format.duration % 3600) / 60);
|
||||
let sec = ~~(format.duration % 60);
|
||||
if (sec < 10) sec = "0" + sec;
|
||||
let time = min + ":" + sec;
|
||||
|
||||
return {
|
||||
location: song.location,
|
||||
time: time,
|
||||
artist: common.artist || "",
|
||||
title: common.title || "",
|
||||
album: common.album || "",
|
||||
year: common.year || "",
|
||||
genre: common.genre ? common.genre.toString() : "",
|
||||
inSeconds: format.duration
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Sorts a Table based on a Term Given to the Method
|
||||
*
|
||||
* @param {Object} table Table Object
|
||||
* @param {*} term Sort Term
|
||||
* @return {Object} Processed Table Object
|
||||
* @static
|
||||
*
|
||||
*/
|
||||
static sortTable(table, term) {
|
||||
term = term.toLowerCase();
|
||||
let tbody = table.tbody.slice();
|
||||
|
||||
let res = {
|
||||
thead: {
|
||||
tr: table.thead.tr.slice()
|
||||
},
|
||||
tbody: null
|
||||
};
|
||||
|
||||
if (term === "title") {
|
||||
tbody.sort((a, b) => {
|
||||
// turns [" Uptown Funk"] into ["Uptown Funk"]
|
||||
let fixedStr = MiscMethods.removeLeadingWhitespaces(
|
||||
a.title,
|
||||
b.title
|
||||
);
|
||||
a.title = fixedStr[0];
|
||||
b.title = fixedStr[1];
|
||||
|
||||
if (a.title < b.title) return -1;
|
||||
else if (a.title > b.title) return 1;
|
||||
else return 0;
|
||||
});
|
||||
} else if (term === "artist") {
|
||||
tbody.sort((a, b) => {
|
||||
let fixedStr = MiscMethods.removeLeadingWhitespaces(
|
||||
a.artist,
|
||||
b.artist
|
||||
);
|
||||
a.artist = fixedStr[0];
|
||||
b.artist = fixedStr[1];
|
||||
|
||||
if (a.artist < b.artist) return -1;
|
||||
else if (a.artist > b.artist) return 1;
|
||||
else return 0;
|
||||
});
|
||||
} else if (term === "album") {
|
||||
tbody.sort((a, b) => {
|
||||
let fixedStr = MiscMethods.removeLeadingWhitespaces(
|
||||
a.album,
|
||||
b.album
|
||||
);
|
||||
a.album = fixedStr[0];
|
||||
b.album = fixedStr[1];
|
||||
|
||||
if (a.album < b.album) return -1;
|
||||
else if (a.album > b.album) return 1;
|
||||
else return 0;
|
||||
});
|
||||
} else if (term === "genre") {
|
||||
tbody.sort((a, b) => {
|
||||
let fixedStr = MiscMethods.removeLeadingWhitespaces(
|
||||
a.genre,
|
||||
b.genre
|
||||
);
|
||||
a.genre = fixedStr[0];
|
||||
b.genre = fixedStr[1];
|
||||
|
||||
if (a.genre < b.genre) return -1;
|
||||
else if (a.genre > b.genre) return 1;
|
||||
else return 0;
|
||||
});
|
||||
} else if (term === "year") {
|
||||
tbody.sort((a, b) => {
|
||||
return a.year - b.year;
|
||||
});
|
||||
} else if (term === "time") {
|
||||
//term == time convert the time into seconds
|
||||
//The messy else if + else is becomes a.inSeconds || b.inSeconds can be undefined.
|
||||
tbody.sort((a, b) => {
|
||||
if (a.inSeconds && b.inSeconds) {
|
||||
return a.inSeconds - b.inSeconds;
|
||||
} else if (a.inSeconds || b.inSeconds) {
|
||||
if (a.inSeconds) {
|
||||
let parsedB = b.time.split(":");
|
||||
if (parsedB[0][0] === "0") parsedB[0] = parsedB[0][1];
|
||||
if (parsedB[1][0] === "0") parsedB[1] = parsedB[1][1];
|
||||
let totalB =
|
||||
parseInt(parsedB[0], 10) * 60 +
|
||||
parseInt(parsedB[1], 10);
|
||||
b.inSeconds = totalB;
|
||||
|
||||
return a.inSeconds - totalB;
|
||||
} else {
|
||||
let parsedA = a.time.split(":");
|
||||
if (parsedA[0][0] === "0") parsedA[0] = parsedA[0][1];
|
||||
if (parsedA[1][0] === "0") parsedA[1] = parsedA[1][1];
|
||||
let totalA =
|
||||
parseInt(parsedA[0], 10) * 60 +
|
||||
parseInt(parsedA[1], 10);
|
||||
a.inSeconds = totalA;
|
||||
|
||||
return totalA - b.inSeconds;
|
||||
}
|
||||
} else {
|
||||
let parsedA = a.time.split(":");
|
||||
if (parsedA[0][0] === "0") parsedA[0] = parsedA[0][1];
|
||||
if (parsedA[1][0] === "0") parsedA[1] = parsedA[1][1];
|
||||
|
||||
let parsedB = b.time.split(":");
|
||||
if (parsedB[0][0] === "0") parsedB[0] = parsedB[0][1];
|
||||
if (parsedB[1][0] === "0") parsedB[1] = parsedB[1][1];
|
||||
|
||||
let totalA =
|
||||
parseInt(parsedA[0], 10) * 60 +
|
||||
parseInt(parsedA[1], 10);
|
||||
let totalB =
|
||||
parseInt(parsedB[0], 10) * 60 +
|
||||
parseInt(parsedB[1], 10);
|
||||
a.inSeconds = totalA;
|
||||
b.inSeconds = totalB;
|
||||
|
||||
return totalA - totalB;
|
||||
}
|
||||
});
|
||||
}
|
||||
if (table.tbody === tbody) console.warn("Music has not been sorted");
|
||||
else console.log("Music has been sorted");
|
||||
|
||||
res.tbody = tbody;
|
||||
return res;
|
||||
}
|
||||
|
||||
/**
|
||||
* Removes Leading Whitespaces from 2 Strings
|
||||
* - Used Exclusively in MiscMethods.sortTable
|
||||
* - Used so that Both Strings can properly be compared
|
||||
* @param {String} string1
|
||||
* @param {String} string2
|
||||
* @return {Array<String>} Truncated Strings
|
||||
* @static
|
||||
*/
|
||||
static removeLeadingWhitespaces(string1, string2) {
|
||||
const regex = /^\s+/i;
|
||||
let stringA = string1;
|
||||
let stringB = string2;
|
||||
|
||||
if (regex.test(stringA)) {
|
||||
let spaces = regex.exec(stringA)[0];
|
||||
stringA = stringA.substr(spaces.length, stringA.length);
|
||||
}
|
||||
if (regex.test(stringB)) {
|
||||
let spaces = regex.exec(stringB)[0];
|
||||
stringB = stringB.substr(spaces.length, stringB.length);
|
||||
}
|
||||
|
||||
return [stringA, stringB];
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a unique ID that is not UUID compliant.
|
||||
* - used to distinguish table objects from one another.
|
||||
* @param {Number} length
|
||||
* @return {String}
|
||||
*/
|
||||
export function createID(length) {
|
||||
const chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
|
||||
let id;
|
||||
|
||||
do {
|
||||
id = "";
|
||||
for (let i = 0; i < length; i++) id += chars[randInt(0, chars.length)];
|
||||
} while(usedTableIDs.includes(id));
|
||||
|
||||
usedTableIDs.push(id);
|
||||
return id;
|
||||
|
||||
function randInt(min, max) {
|
||||
return ~~(Math.random() * (max - min) + min);
|
||||
}
|
||||
}
|
|
@ -1,5 +1,5 @@
|
|||
import Filepath from "./Filepath";
|
||||
import Misc, { createID } from "../components/MiscMethods";
|
||||
import { createID, formatMetadata } from "../components/Misc";
|
||||
import Song from "./Song";
|
||||
|
||||
export default class Playlist {
|
||||
|
@ -61,7 +61,7 @@ export default class Playlist {
|
|||
for (let i = 0; i < filepaths.length - 1; i++) {
|
||||
let song = new Song(filepaths[i]);
|
||||
song = await Song.getMetadata(song);
|
||||
content.push(Misc.formatMetadata(song, song.metadata));
|
||||
content.push(formatMetadata(song, song.metadata));
|
||||
}
|
||||
res(content);
|
||||
});
|
||||
|
|
Reference in New Issue