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| Current File : /var/www/html/shardahospital.org/shardalms/lms/lms/react/src/util.js |
/* eslint-disable no-useless-escape */
// eslint-disable-next-line
import moment from 'moment';
import {
Modal,
message
} from 'antd';
let $ = window.$;
class util {
constructor() {
this.hideLoaderFn = () => { };
}
arr = (arg) => {
return Array.isArray(arg) ? arg : [];
}
obj = (arg) => {
return (typeof arg != "object" || arg === null) ? {} : arg;
}
getTimezoneOffset = () => {
var d = new Date();
return d.getTimezoneOffset();
}
getTimeZone = () => {
var n = this.getTimezoneOffset();
var sign = n >= 0 ? '-' : '+';
n = Math.abs(n);
var h = parseInt(n / 60);
var m = n % 60;
return sign + h + ':' + m;
}
convertToCSVBlob = (objArray, header) => {
var array = typeof objArray != 'object' ? JSON.parse(objArray) : objArray;
var str = '', line = '', index;
for (index in header) {
if (line !== '') line += ',';
line += header[index];
}
str += line + '\r\n';
for (var i = 0; i < array.length; i++) {
line = '';
for (index in header) {
if (line !== '') line += ',';
line += (!('' + array[i][index]) ? ' ' : ('\"' + array[i][index] + '\"'));
}
str += line + '\r\n';
}
return new Blob([str], { type: "text/csv;charset=utf-8" });
}
copyObj = (obj) => {
return JSON.parse(JSON.stringify(obj));
}
getExt = (filename) => {
var ext = /[^.]+$/.exec(filename);
if (!ext) {
return '';
}
ext = ext.toString();
ext = ext.toLowerCase();
return ext;
}
checkImageExt = (filename) => {
if (!filename) {
return false;
}
var ext = /[^.]+$/.exec(filename);
if (!ext) {
return false;
}
ext = ext.toString();
ext = ext.toLowerCase();
var exts = ['jpg', 'jpeg', 'png'];
if (exts.indexOf(ext) !== -1)
return true;
return false;
}
checkPdfExt = (filename) => {
if (!filename) {
return false;
}
var ext = /[^.]+$/.exec(filename);
if (!ext) {
return false;
}
ext = ext.toString();
ext = ext.toLowerCase();
var exts = ['pdf'];
if (exts.indexOf(ext) !== -1)
return true;
return false;
}
checkVideoExt = (filename) => {
if (!filename) {
return false;
}
var ext = /[^.]+$/.exec(filename);
if (!ext) {
return false;
}
ext = ext.toString();
ext = ext.toLowerCase();
var exts = ['mp4', 'webp', 'mkv', 'mov'];
if (exts.indexOf(ext) !== -1)
return true;
return false;
}
checkImage = (ob, size_mb) => {
var obj = $(ob);
var err = false;
if (!this.checkImageExt(obj.val())) {
err = true;
Modal.error({
title: 'Image Error!',
content: 'Invalid image! Only .jpg and .png images are allowed.',
});
}
if (!err) {
var file = obj[0];
var size = file.files[0].size / 1024;
if (!size_mb) {
size_mb = 2;
}
var maxs = size_mb * 1024;
if (size > maxs) {
err = true;
Modal.error({
title: "Image Size Error!",
content: "Can't upload! This image is larger than " + size_mb + " MB.",
});
}
}
if (err) {
obj.val('');
}
return !err;
}
checkPdf = (ob, size_mb) => {
var obj = $(ob);
var err = false;
if (!this.checkPdfExt(obj.val())) {
err = true;
Modal.error({
title: 'Pdf File Error!',
content: 'Invalid pdf file!',
});
}
if (!err) {
var file = obj[0];
var size = file.files[0].size / 1024;
if (!size_mb) {
size_mb = 2;
}
var maxs = size_mb * 1024;
if (size > maxs) {
err = true;
Modal.error({
title: 'Pdf File Size Error!',
content: "Can't upload! This file is larger than " + size_mb + " MB.",
});
}
}
if (err) {
obj.val('');
}
return !err;
}
checkImagePdf = (ob, size_mb) => {
var obj = $(ob);
var err = false;
if (!this.checkImageExt(obj.val()) && !this.checkPdfExt(obj.val())) {
err = true;
Modal.error({
title: 'File Error!',
content: 'Invalid file! Only .jpg, .png and .pdf are allowed.',
});
}
if (!err) {
var file = obj[0];
var size = file.files[0].size / 1024;
if (!size_mb) {
size_mb = 2;
}
var maxs = size_mb * 1024;
if (size > maxs) {
err = true;
Modal.error({
title: 'File Size Error!',
content: "Can't upload! This file is larger than " + size_mb + " MB.",
});
}
}
if (err) {
obj.val('');
}
return !err;
}
checkVideo = (ob, size_mb) => {
var obj = $(ob);
var err = false;
if (!this.checkVideoExt(obj.val())) {
err = true;
Modal.error({
title: 'Video File Error!',
content: 'Invalid video! Only .mp4, .webp, .mkv and .mov are allowed.',
});
}
if (!err) {
var file = obj[0];
var size = file.files[0].size / 1024;
if (!size_mb) {
size_mb = 100;
}
var maxs = size_mb * 1024;
if (size > maxs) {
err = true;
Modal.error({
title: 'Video File Size Error!',
content: "Can't upload! This image is larger than " + size_mb + " MB.",
});
}
}
if (err) {
obj.val('');
}
return !err;
}
nv = (v) => {
v = $.trim(v);
if (isNaN(v))
v = 0;
return v * 1;
}
getDistance = (lat1, lon1, lat2, lon2) => {
var R = 6371; // km
var dLat = (lat2 - lat1) * Math.PI / 180;
var dLon = (lon2 - lon1) * Math.PI / 180;
var lt1 = lat1 * Math.PI / 180;
var lt2 = lat2 * Math.PI / 180;
var a = Math.sin(dLat / 2) * Math.sin(dLat / 2) + Math.sin(dLon / 2) * Math.sin(dLon / 2) * Math.cos(lt1) * Math.cos(lt2);
var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
var d = R * c;
return d;
}
inWords = (num) => {
if (!this.nv(num)) {
return '';
}
var a = ['', 'one ', 'two ', 'three ', 'four ', 'five ', 'six ', 'seven ', 'eight ', 'nine ', 'ten ', 'eleven ', 'twelve ', 'thirteen ', 'fourteen ', 'fifteen ', 'sixteen ', 'seventeen ', 'eighteen ', 'nineteen '];
var b = ['', '', 'twenty', 'thirty', 'forty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety'];
if ((num = num.toString()).length > 9) return 'overflow';
var n = ('000000000' + num).substr(-9).match(/^(\d{2})(\d{2})(\d{2})(\d{1})(\d{2})$/);
if (!n) return; var str = '';
str += (n[1] !== 0) ? (a[Number(n[1])] || b[n[1][0]] + ' ' + a[n[1][1]]) + 'crore ' : '';
str += (n[2] !== 0) ? (a[Number(n[2])] || b[n[2][0]] + ' ' + a[n[2][1]]) + 'lakh ' : '';
str += (n[3] !== 0) ? (a[Number(n[3])] || b[n[3][0]] + ' ' + a[n[3][1]]) + 'thousand ' : '';
str += (n[4] !== 0) ? (a[Number(n[4])] || b[n[4][0]] + ' ' + a[n[4][1]]) + 'hundred ' : '';
str += (n[5] !== 0) ? ((str !== '') ? 'and ' : '') + (a[Number(n[5])] || b[n[5][0]] + ' ' + a[n[5][1]]) + '' : '';
return str.trim();
}
getDate = (d, df) => {
if (!d) {
d = new Date();
}
if (df) {
d = moment(d).format(df);
} else {
d = moment(d).format('DD MMM YYYY');
}
return d;
}
quickDateRanges = () => {
let obj = {
Today: { from: moment().format('DD MMM YYYY'), to: moment().format('DD MMM YYYY') },
Yesterday: { from: moment().subtract(1, 'days').format('DD MMM YYYY'), to: moment().subtract(1, 'days').format('DD MMM YYYY') },
Week: { from: moment().startOf('week').format('DD MMM YYYY'), to: moment().endOf('week').format('DD MMM YYYY') },
Month: { from: moment().startOf('month').format('DD MMM YYYY'), to: moment().endOf('month').format('DD MMM YYYY') },
Year: { from: moment().startOf('year').format('DD MMM YYYY'), to: moment().endOf('year').format('DD MMM YYYY') },
}
return obj;
}
toBase64 = file => new Promise((resolve, reject) => {
const reader = new FileReader();
reader.readAsDataURL(file);
reader.onload = () => resolve(reader.result);
reader.onerror = error => reject(error);
})
resizeImage = (imgOb, w) => {
var sw = imgOb.naturalWidth || imgOb.width;
var sh = imgOb.naturalHeight || imgOb.height;
var h = 0;
if (sw <= w) {
w = sw;
h = sh;
} else {
h = Math.round((w / sw) * sh);
}
var canvas = document.createElement('canvas');
canvas.width = w;
canvas.height = h;
var ctx = canvas.getContext('2d');
ctx.drawImage(imgOb, 0, 0, w, h);
//$(this.srcImgOb).attr('src', canvas.toDataURL("image/jpeg"));
return canvas;
}
imageDataToFile = (imageData) => {
const byteCharacters = atob(imageData.split(';base64,')[1]);
const byteNumbers = new Array(byteCharacters.length);
for (let i = 0; i < byteCharacters.length; i++) {
byteNumbers[i] = byteCharacters.charCodeAt(i);
}
const byteArray = new Uint8Array(byteNumbers);
let blob = new Blob([byteArray], { type: "image/jpeg" });
let filename = (new Date().getTime()) + "" + Math.floor(Math.random() * 100) + ".jpg";
return new File([blob], filename, { type: "image/jpeg" });
}
roundTo = (num, places) => {
return +(Math.round(num + "e+" + places) + "e-" + places);
}
setCookie = (cname, cvalue, exdays) => {
var d = new Date();
d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
var expires = "expires=" + d.toUTCString();
window.document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}
getCookie = (cname) => {
var name = cname + "=";
var decodedCookie = decodeURIComponent(document.cookie);
var ca = decodedCookie.split(';');
for (var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) === ' ') {
c = c.substring(1);
}
if (c.indexOf(name) === 0) {
return c.substring(name.length, c.length);
}
}
return "";
}
deleteCookie = (name) => {
window.document.cookie = name + '=; Path=/; Expires=Thu, 01 Jan 1970 00:00:01 GMT;';
}
showLoader = (msg) => {
this.hideLoaderFn = message.loading(msg || "Loading...", 0)
}
hideLoader = () => {
this.hideLoaderFn();
}
}
// eslint-disable-next-line
export default new util();
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