CodingSouls团队项目冲刺(10)-个人概况

Posted 2021-02-21 DemonSlayer

团队冲刺第九天：

　　讨论区后端开发：后端讨论区，将评论与回复分开实现。

 1 import * as TypeORM from "typeorm";
 2 import Model from "./common";
 3 
 4 import User from "./user";
 5 import Problem from "./problem";
 6 import ArticleComment from "./article-comment";
 7 
 8 declare var syzoj: any;
 9 
10 @TypeORM.Entity()
11 export default class Article extends Model {
12   static cache = false;
13 
14   @TypeORM.PrimaryGeneratedColumn()
15   id: number;
16 
17   @TypeORM.Column({ nullable: true, type: "varchar", length: 80 })
18   title: string;
19 
20   @TypeORM.Column({ nullable: true, type: "mediumtext" })
21   content: string;
22 
23   @TypeORM.Index()
24   @TypeORM.Column({ nullable: true, type: "integer" })
25   user_id: number;
26 
27   @TypeORM.Index()
28   @TypeORM.Column({ nullable: true, type: "integer" })
29   problem_id: number;
30 
31   @TypeORM.Column({ nullable: true, type: "integer" })
32   public_time: number;
33 
34   @TypeORM.Column({ nullable: true, type: "integer" })
35   update_time: number;
36 
37   @TypeORM.Index()
38   @TypeORM.Column({ nullable: true, type: "integer" })
39   sort_time: number;
40 
41   @TypeORM.Column({ default: 0, type: "integer" })
42   comments_num: number;
43 
44   @TypeORM.Column({ default: true, type: "boolean" })
45   allow_comment: boolean;
46 
47   @TypeORM.Index()
48   @TypeORM.Column({ nullable: true, type: "boolean" })
49   is_notice: boolean;
50 
51   user?: User;
52   problem?: Problem;
53 
54   async loadRelationships() {
55     this.user = await User.findById(this.user_id);
56   }
57 
58   async isAllowedEditBy(user) {
59     return user && (user.is_admin || this.user_id === user.id);
60   }
61 
62   async isAllowedCommentBy(user) {
63     return user && (this.allow_comment || user.is_admin || this.user_id === user.id);
64   }
65 
66   async resetReplyCountAndTime() {
67     await syzoj.utils.lock([‘Article::resetReplyCountAndTime‘, this.id], async () => {
68       this.comments_num = await ArticleComment.count({ article_id: this.id });
69       if (this.comments_num === 0) {
70         this.sort_time = this.public_time;
71       } else {
72         this.sort_time = (await ArticleComment.findOne({
73           where: { article_id: this.id },
74           order: { public_time: "DESC" }
75         })).public_time;
76       }
77       await this.save();
78     });
79   }
80 };

讨论

 1 import * as TypeORM from "typeorm";
 2 import Model from "./common";
 3 
 4 import User from "./user";
 5 import Article from "./article";
 6 
 7 @TypeORM.Entity()
 8 export default class ArticleComment extends Model {
 9   @TypeORM.PrimaryGeneratedColumn()
10   id: number;
11 
12   @TypeORM.Column({ nullable: true, type: "text" })
13   content: string;
14 
15   @TypeORM.Index()
16   @TypeORM.Column({ nullable: true, type: "integer" })
17   article_id: number;
18 
19   @TypeORM.Index()
20   @TypeORM.Column({ nullable: true, type: "integer" })
21   user_id: number;
22 
23   @TypeORM.Column({ nullable: true, type: "integer" })
24   public_time: number;
25 
26   user?: User;
27   article?: Article;
28 
29   async loadRelationships() {
30     this.user = await User.findById(this.user_id);
31     this.article = await Article.findById(this.article_id);
32   }
33 
34   async isAllowedEditBy(user) {
35     await this.loadRelationships();
36     return user && (user.is_admin || this.user_id === user.id || user.id === this.article.user_id);
37   }
38 };

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