Files
blog-frontEnd/src/app/view/category/category.component.ts
2020-05-27 16:41:06 +08:00

72 lines
2.3 KiB
TypeScript

import {Component, OnInit} from '@angular/core';
import {ApiService} from '../../api/api.service';
import {Tag} from '../../class/Tag';
import {NzMessageService} from 'ng-zorro-antd';
import {PageList} from '../../class/HttpReqAndResp';
import {Article} from '../../class/Article';
import {ActivatedRoute} from '@angular/router';
import {Location} from '@angular/common';
import {Title} from '@angular/platform-browser';
@Component({
selector: 'view-category',
templateUrl: './category.component.html',
styleUrls: ['./category.component.less']
})
export class CategoryComponent implements OnInit {
constructor(private apiService: ApiService,
private nzMessageService: NzMessageService,
private activatedRoute: ActivatedRoute,
private location: Location,
private title: Title) {
}
categoryList: Tag[] = [];
private category: Tag;
articleList: PageList<Article>;
name: string;
ngOnInit() {
this.name = this.activatedRoute.snapshot.paramMap.get('category');
this.getCategories(this.name == null);
if (this.name != null) {
this.getArticles(this.name);
}
}
getCategories(needGetArticle: boolean) {
this.apiService.categories().subscribe(data => {
this.categoryList = data.result.list;
this.category = this.categoryList[0];
if (needGetArticle) {
this.getArticles(this.category.name);
this.name = this.category.name;
this.title.setTitle('小海博客 | 分类 | ' + this.name);
}
}, error => {
this.nzMessageService.error('出现了错误,原因:' + error.msg);
});
}
getArticles(categoryName: string) {
this.apiService.articlesByCategory(categoryName).subscribe(data => {
this.articleList = data.result;
}, error => {
this.nzMessageService.error('出现了错误,原因:' + error.msg);
});
}
changeCategory(category: Tag) {
if (this.name === category.name) {
return;
}
this.category = category;
this.name = category.name;
this.location.replaceState('categories/' + this.name);
this.getArticles(this.name);
this.title.setTitle('小海博客 | 分类 | ' + this.name);
}
}