resolve #12

migration/1609948116186-rating.ts

@@ -0,0 +1,18 @@
+import {MigrationInterface, QueryRunner} from 'typeorm';
+
+export class rating1609948116186 implements MigrationInterface {
+	name = 'rating1609948116186'
+
+	public async up(queryRunner: QueryRunner): Promise<void> {
+		await queryRunner.query('ALTER TABLE "user" ADD "prevRating" real NOT NULL DEFAULT 0');
+		await queryRunner.query('ALTER TABLE "user" ADD "rating" real NOT NULL DEFAULT 0');
+		await queryRunner.query('ALTER TABLE "user" ADD "bannedFromRanking" boolean NOT NULL DEFAULT false');
+	}
+
+	public async down(queryRunner: QueryRunner): Promise<void> {
+		await queryRunner.query('ALTER TABLE "user" DROP COLUMN "bannedFromRanking"');
+		await queryRunner.query('ALTER TABLE "user" DROP COLUMN "rating"');
+		await queryRunner.query('ALTER TABLE "user" DROP COLUMN "prevRating"');
+	}
+
+}

package.json

@@ -16,6 +16,7 @@
       "build:styles": "sass styles/:built/assets",
       "build": "run-p build:*",
       "migrate": "ts-node --project ./tsconfig.migration.json ./node_modules/typeorm/cli.js migration:run",
+      "migrate:revert": "ts-node --project ./tsconfig.migration.json ./node_modules/typeorm/cli.js migration:revert",
       "dev": "nodemon"
    },
    "dependencies": {
@@ -26,6 +27,7 @@
       "@types/node-cron": "^2.0.3",
       "@types/uuid": "^8.0.0",
       "axios": "^0.19.2",
+      "dayjs": "^1.10.2",
       "delay": "^4.4.0",
       "koa": "^2.13.0",
       "koa-bodyparser": "^4.3.0",

src/functions/format.ts

@@ -53,6 +53,10 @@ export const variables: Record<string, Variable> = {
 		description: '所属するインスタンスのホスト名',
 		replace: (_, user) => String(user.host),
 	},
+	rating: {
+		description: 'みす廃レート',
+		replace: (_, user) => String(user.rating),
+	},
 };
 
 const variableRegex = /\{([a-zA-Z0-9_]+?)\}/g;

src/functions/ranking.ts

@@ -0,0 +1,14 @@
+import { Users } from '../models';
+import { User } from '../models/entities/user';
+
+export const getRanking = async (limit: number | null = 10): Promise<User[]> => {
+	const query = Users.createQueryBuilder('user')
+		.where('"user"."bannedFromRanking" IS NOT TRUE')
+		.orderBy('"user".rating', 'DESC');
+	
+	if (limit !== null) {
+		query.limit(limit);
+	}
+		
+	return await query.getMany();
+};

src/functions/update-rating.ts

@@ -0,0 +1,13 @@
+import dayjs from 'dayjs';
+
+import { User } from '../models/entities/user';
+import { updateUser } from './users';
+import { MiUser } from './update-score';
+
+export const updateRating = async (user: User, miUser: MiUser): Promise<void> => {
+	const elapsedDays = dayjs().diff(dayjs(miUser.createdAt), 'd') + 1;
+	await updateUser(user.username, user.host, {
+		prevRating: user.rating,
+		rating: miUser.notesCount / elapsedDays,
+	});
+};

src/functions/update-score.ts

@@ -1,13 +1,14 @@
 import { User } from '../models/entities/user';
-import { api } from '../services/misskey';
 import { updateUser } from './users';
 
-export const updateScore = async (user: User): Promise<void>  => {
-	const miUser = await api<Record<string, number>>(user.host, 'users/show', { username: user.username }, user.token);
-	if (miUser.error) {
-		throw miUser.error;
-	}
+export type MiUser = {
+	notesCount: number,
+	followingCount: number,
+	followersCount: number,
+	createdAt: string,
+};
 
+export const updateScore = async (user: User, miUser: MiUser): Promise<void>  => {
 	await updateUser(user.username, user.host, {
 		prevNotesCount: miUser.notesCount ?? 0,
 		prevFollowingCount: miUser.followingCount ?? 0,

src/models/entities/user.ts

@@ -79,4 +79,22 @@ export class User {
 		nullable: true,
 	})
 	public template: string | null;
+
+	@Column({
+		type: 'real',
+		default: 0,
+	})
+	public prevRating: number;
+
+	@Column({
+		type: 'real',
+		default: 0,
+	})
+	public rating: number;
+
+	@Column({
+		type: 'boolean',
+		default: false,
+	})
+	public bannedFromRanking: boolean;
 }

src/server/router.ts

@@ -14,6 +14,7 @@ import { Users } from '../models';
 import { send } from '../services/send';
 import { visibilities, Visibility } from '../types/Visibility';
 import { defaultTemplate, variables } from '../functions/format';
+import { getRanking } from '../functions/ranking';
 
 export const router = new Router<DefaultState, Context>();
 
@@ -61,23 +62,25 @@ router.get('/', async ctx => {
 	const user = token ? await getUserByMisshaiToken(token) : undefined;
 	
 	const isAvailable = user && await apiAvailable(user.host, user.token);
+	const usersCount = await getUserCount();
+	const ranking = await getRanking(10);
+	console.log(ranking);
 
 	if (user && isAvailable) {
 		const meta = await api<{ version: string }>(user?.host, 'meta', {});
 		await ctx.render('mypage', {
-			user,
+			user, usersCount, ranking,
 			// To Activate Groundpolis Mode
 			isGroundpolis: meta.version.includes('gp'),
 			defaultTemplate,
 			templateVariables: variables,
-			usersCount: await getUserCount(),
 			score: await getScores(user),
 			from: ctx.query.from,
 		});
 	} else {
 		// 非ログイン
 		await ctx.render('welcome', {
-			usersCount: await getUserCount(),
+			usersCount, ranking,
 			welcomeMessage:  welcomeMessage[Math.floor(Math.random() * welcomeMessage.length)],
 			from: ctx.query.from,
 		});
@@ -144,6 +147,12 @@ router.get('/teapot', async ctx => {
 	await die(ctx, 'I\'m a teapot', 418);
 });
 
+router.get('/ranking', async ctx => {
+	await ctx.render('ranking', {
+		ranking: await getRanking(null),
+	});
+});
+
 router.get('/miauth', async ctx => {
 	const session = ctx.query.session as string | undefined;
 	if (!session) {

src/services/worker.ts

@@ -1,12 +1,14 @@
 import cron from 'node-cron';
 import delay from 'delay';
-
-import { Users } from '../models';
-import { deleteUser } from '../functions/users';
-import { updateScore } from '../functions/update-score';
-import { send } from './send';
 import { Not } from 'typeorm';
+
+import { deleteUser } from '../functions/users';
+import { MiUser, updateScore } from '../functions/update-score';
+import { updateRating } from '../functions/update-rating';
 import { AlertMode } from '../types/AlertMode';
+import { Users } from '../models';
+import { send } from './send';
+import { api } from './misskey';
 
 export default (): void => {
 	cron.schedule('0 0 0 * * *', async () => {
@@ -14,7 +16,11 @@ export default (): void => {
 			alertMode: Not<AlertMode>('nothing'),
 		});
 		for (const user of users) {
+			const miUser = await api<MiUser & { error: unknown }>(user.host, 'users/show', { username: user.username }, user.token);
+
 			try {
+				if (miUser.error) throw miUser.error;
+				await updateRating(user, miUser);
 				await send(user);
 			} catch (e) {
 				if (e.code === 'NO_SUCH_USER' || e.code === 'AUTHENTICATION_FAILED') {
@@ -27,7 +33,7 @@ export default (): void => {
 			} finally {
 				if (user.alertMode === 'note')
 					await delay(3000);
-				await updateScore(user);
+				await updateScore(user, miUser);
 			}
 		}
 	});

src/tools/calculate-all-rating.ts

@@ -0,0 +1,7 @@
+import { initDb } from '../services/db';
+import 'reflect-metadata';
+
+(async () => {
+	await initDb();
+	(await import('./calculate-all-rating.worker')).default();
+})();

src/tools/calculate-all-rating.worker.ts

@@ -0,0 +1,17 @@
+import { Users } from '../models';
+import { updateRating } from '../functions/update-rating';
+import { api } from '../services/misskey';
+import { MiUser } from '../functions/update-score';
+
+export default async () => {
+	const users = await Users.find();
+	for (const u of users) {
+		console.log(`Update rating of ${u.username}@${u.host}...`);
+		const miUser = await api<MiUser & { error: unknown }>(u.host, 'users/show', { username: u.username }, u.token);
+		if (miUser.error) {
+			console.log(`Failed to fetch data of ${u.username}@${u.host}. Skipped`);
+			continue;
+		}
+		await updateRating(u, miUser);
+	}
+};

src/views/_components.pug

@@ -2,22 +2,36 @@ mixin exta()
     a(href=attributes.href target="_blank" rel="noopener noreferrer")
         block
 
-mixin serverInfo()
+mixin ranking()
     .xd-card
         .header
-            h1.title サービスの情報
+            h1.title みす廃ランキング
         .body
-            dl
-                dt
-                    i.fas.fa-users
-                    |  登録者数
-                dd !{usersCount} 人
-                dt
-                    |  総ノート数
-                dd (coming soon)
-                dt
-                    |  総フォロー数
-                dd (coming soon)
-                dt
-                    |  総フォロワー数
-                dd (coming soon)
+            p
+                i.fas.fa-users
+                strong 登録者数: !{usersCount}人
+            +rankingTable()
+            p: a(href="/ranking") 全員分見る
+
+mixin rankingTable()
+    table
+        thead: tr
+            th 順位
+            th ユーザー
+            th レート
+        tbody
+            -
+                let rank = 1;
+                let lastRating = '';
+                console.log(ranking);
+            each rec in ranking
+                - const rating = rec.rating.toFixed(2);
+                tr
+                    td=rank
+                    td !{rec.username}@!{rec.host}
+                    td=rating
+                -
+                    if (lastRating !== rating) {
+                        rank++;
+                    }
+                    lastRating = rating

src/views/mypage.pug

@@ -23,7 +23,7 @@ block content
     
     section#scores.xd-vstack
         .xd-hstack
-            +serverInfo()
+            +ranking()
             .xd-card
                 .header
                     h1.title みす廃データ
@@ -47,6 +47,11 @@ block content
                                 td フォロワー
                                 td !{score.followersCount}
                                 td !{score.followersDelta}
+                            tr
+                                td フォロワー
+                                td !{score.followersCount}
+                                td !{score.followersDelta}
+                    p みす廃レート: !{user.rating}
     
         section.xd-card#settings
                 -

src/views/ranking.pug

@@ -0,0 +1,8 @@
+extends _base
+
+block content
+    .xd-card
+        h1: a(href="/") みす廃あらーと
+        section
+            h2 みす廃ランキング
+            +rankingTable

src/views/welcome.pug

@@ -23,7 +23,7 @@ block content
                     input.xd-button.primary(type="submit", value="ログイン")
 
     section.xd-hstack
-        +serverInfo()
+        +ranking()
         .xd-card
             .header
                 h1.title 開発者

yarn.lock

@@ -862,6 +862,11 @@ crypto-random-string@^2.0.0:
   resolved "https://registry.yarnpkg.com/crypto-random-string/-/crypto-random-string-2.0.0.tgz#ef2a7a966ec11083388369baa02ebead229b30d5"
   integrity sha512-v1plID3y9r/lPhviJ1wrXpLeyUIGAZ2SHNYTEapm7/8A9nLPoyvVp3RK/EPFqn5kEznyWgYZNsRtYYIWbuG8KA==
 
+dayjs@^1.10.2:
+  version "1.10.2"
+  resolved "https://registry.yarnpkg.com/dayjs/-/dayjs-1.10.2.tgz#8f3a424ceb944a8193506804b0045a773d2d0672"
+  integrity sha512-h/YtykNNTR8Qgtd1Fxl5J1/SFP1b7SOk/M1P+Re+bCdFMV0IMkuKNgHPN7rlvvuhfw24w0LX78iYKt4YmePJNQ==
+
 debug@=3.1.0, debug@~3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"