76 lines
1.8 KiB
TypeScript
76 lines
1.8 KiB
TypeScript
import { HttpHeaders } from '@angular/common/http';
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import { PollConfig } from './PollConfig';
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import { Injectable } from '@angular/core';
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@Injectable({
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providedIn: 'root',
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})
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export class PollUtilities {
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// utils functions
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/**
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* generate unique id to have a default url for future poll
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*/
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makeUuid() {
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
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const r = (Math.random() * 16) | 0,
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v = c == 'x' ? r : (r & 0x3) | 0x8;
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return v.toString(16);
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});
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}
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/**
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* make a uniq slug for the current poll creation
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* @param str
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*/
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makeSlug(config: PollConfig) {
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let str = '';
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str =
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config.creationDate.getFullYear() +
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'_' +
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(config.creationDate.getMonth() + 1) +
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'_' +
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config.creationDate.getDate() +
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'_' +
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config.myName +
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'_' +
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config.title;
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str = str.replace(/^\s+|\s+$/g, ''); // trim
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str = str.toLowerCase();
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// remove accents, swap ñ for n, etc
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const from = 'àáäâèéëêìíïîòóöôùúüûñç·/_,:;';
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const to = 'aaaaeeeeiiiioooouuuunc------';
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for (let i = 0, l = from.length; i < l; i++) {
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str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
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}
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str = str
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.replace(/[^a-z0-9 -]/g, '') // remove invalid chars
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.replace(/\s+/g, '-') // collapse whitespace and replace by -
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.replace(/-+/g, '-'); // collapse dashes
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return str;
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}
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/**
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* prepare headers like the charset and json type for any call to the backend
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* @param bodyContent
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*/
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makeHeaders(bodyContent?: any) {
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const headerDict = {
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Charset: 'UTF-8',
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'Content-Type': 'application/json',
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Accept: 'application/json',
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'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
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'Access-Control-Allow-Origin': '*',
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};
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const requestOptions = {
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headers: new HttpHeaders(headerDict),
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body: bodyContent,
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};
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return requestOptions;
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}
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}
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