ngx-avatars
Version:
A universal avatar component for Angular applications that fetches / generates avatar based on the information you have about the user.
104 lines • 12 kB
JavaScript
import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { AvatarConfigService } from './avatar-config.service';
import { AvatarSource } from './sources/avatar-source.enum';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common/http";
import * as i2 from "./avatar-config.service";
/**
* list of Supported avatar sources
*/
export const defaultSources = [
AvatarSource.FACEBOOK,
AvatarSource.GOOGLE,
AvatarSource.TWITTER,
AvatarSource.INSTAGRAM,
AvatarSource.VKONTAKTE,
AvatarSource.SKYPE,
AvatarSource.GRAVATAR,
AvatarSource.GITHUB,
AvatarSource.CUSTOM,
AvatarSource.INITIALS,
AvatarSource.VALUE
];
/**
* list of default colors
*/
export const defaultColors = [
'#1abc9c',
'#3498db',
'#f1c40f',
'#8e44ad',
'#e74c3c',
'#d35400',
'#2c3e50',
'#7f8c8d'
];
/**
* Default disable custom source cache settings
*/
export const defaultDisableSrcCache = false;
/**
* Provides utilities methods related to Avatar component
*/
export class AvatarService {
constructor(http, avatarConfigService) {
this.http = http;
this.avatarConfigService = avatarConfigService;
this.avatarSources = defaultSources;
this.avatarColors = defaultColors;
this.failedSources = new Map();
this.overrideAvatarSources();
this.overrideAvatarColors();
}
fetchAvatar(avatarUrl) {
return this.http.get(avatarUrl);
}
getRandomColor(avatarText) {
if (!avatarText) {
return 'transparent';
}
const asciiCodeSum = this.calculateAsciiCode(avatarText);
return this.avatarColors[asciiCodeSum % this.avatarColors.length];
}
compareSources(sourceType1, sourceType2) {
return (this.getSourcePriority(sourceType1) - this.getSourcePriority(sourceType2));
}
isSource(source) {
return this.avatarSources.includes(source);
}
isTextAvatar(sourceType) {
return [AvatarSource.INITIALS, AvatarSource.VALUE].includes(sourceType);
}
buildSourceKey(source) {
return source.sourceType + '-' + source.sourceId;
}
sourceHasFailedBefore(source) {
return this.failedSources.has(this.buildSourceKey(source));
}
markSourceAsFailed(source) {
this.failedSources.set(this.buildSourceKey(source), source);
}
overrideAvatarSources() {
this.avatarSources = this.avatarConfigService.getAvatarSources(defaultSources);
}
overrideAvatarColors() {
this.avatarColors = this.avatarConfigService.getAvatarColors(defaultColors);
}
calculateAsciiCode(value) {
return value
.split('')
.map(letter => letter.charCodeAt(0))
.reduce((previous, current) => previous + current);
}
getSourcePriority(sourceType) {
return this.avatarSources.indexOf(sourceType);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.0.2", ngImport: i0, type: AvatarService, deps: [{ token: i1.HttpClient }, { token: i2.AvatarConfigService }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.0.2", ngImport: i0, type: AvatarService, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.0.2", ngImport: i0, type: AvatarService, decorators: [{
type: Injectable,
args: [{ providedIn: 'root' }]
}], ctorParameters: () => [{ type: i1.HttpClient }, { type: i2.AvatarConfigService }] });
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this.getSourcePriority(sourceType2)\r\n    );\r\n  }\r\n\r\n  public isSource(source: string): boolean {\r\n    return this.avatarSources.includes(source as AvatarSource);\r\n  }\r\n\r\n  public isTextAvatar(sourceType: AvatarSource): boolean {\r\n    return [AvatarSource.INITIALS, AvatarSource.VALUE].includes(sourceType);\r\n  }\r\n\r\n  private buildSourceKey(source: Source): string {\r\n    return source.sourceType + '-' + source.sourceId;\r\n  }\r\n\r\n  public sourceHasFailedBefore(source: Source): boolean {\r\n    return this.failedSources.has(this.buildSourceKey(source));\r\n  }\r\n\r\n  public markSourceAsFailed(source: Source): void {\r\n    this.failedSources.set(this.buildSourceKey(source), source);\r\n  }\r\n\r\n  private overrideAvatarSources(): void {\r\n    this.avatarSources = this.avatarConfigService.getAvatarSources(\r\n      defaultSources\r\n    );\r\n  }\r\n\r\n  private overrideAvatarColors(): void {\r\n    this.avatarColors = this.avatarConfigService.getAvatarColors(defaultColors);\r\n  }\r\n\r\n  private calculateAsciiCode(value: string): number {\r\n    return value\r\n      .split('')\r\n      .map(letter => letter.charCodeAt(0))\r\n      .reduce((previous: number, current: number) => previous + current);\r\n  }\r\n\r\n  private getSourcePriority(sourceType: AvatarSource) {\r\n    return this.avatarSources.indexOf(sourceType);\r\n  }\r\n}\r\n"]}