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75 lines
1.8 KiB
75 lines
1.8 KiB
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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